Version++

(we do not reload the map parameters any more)

.appveyor.yml

@@ -1,4 +1,4 @@
-version: 7.23.{build}
+version: 7.27.{build}
 
 configuration:
   - Release

gpxsee.pro

@@ -3,7 +3,7 @@ unix:!macx {
 } else {
     TARGET = GPXSee
 }
-VERSION = 7.23
+VERSION = 7.27
 
 QT += core \
     gui \
@@ -20,6 +20,7 @@ equals(QT_MAJOR_VERSION, 5) : lessThan(QT_MINOR_VERSION, 4) {QT += opengl}
 INCLUDEPATH += ./src
 HEADERS += src/common/config.h \
     src/GUI/graphicsscene.h \
+    src/GUI/mapaction.h \
     src/GUI/popup.h \
     src/common/garmin.h \
     src/common/staticassert.h \
@@ -248,6 +249,7 @@ SOURCES += src/main.cpp \
     src/GUI/gearratiographitem.cpp \
     src/GUI/mapview.cpp \
     src/GUI/areaitem.cpp \
+    src/data/waypoint.cpp \
     src/map/IMG/bitmapline.cpp \
     src/map/IMG/bitstream.cpp \
     src/map/IMG/deltastream.cpp \

pkg/gpxsee.nsi

@@ -7,7 +7,7 @@
 ; The name of the installer
 Name "GPXSee"
 ; Program version
-!define VERSION "7.23"
+!define VERSION "7.27"
 
 ; The file to write
 OutFile "GPXSee-${VERSION}.exe"

pkg/gpxsee64.nsi

@@ -7,7 +7,7 @@
 ; The name of the installer
 Name "GPXSee"
 ; Program version
-!define VERSION "7.23"
+!define VERSION "7.27"
 
 ; The file to write
 OutFile "GPXSee-${VERSION}_x64.exe"

pkg/maps/4UMaps.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<map xmlns="http://www.gpxsee.org/map/1.3">
+<map xmlns="http://www.gpxsee.org/map/1.4">
 	<name>4UMaps</name>
 	<url>https://tileserver.4umaps.com/$z/$x/$y.png</url>
 	<zoom min="2" max="15"/>

pkg/maps/Antarctica.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<map xmlns="http://www.gpxsee.org/map/1.3" type="WMTS">
+<map xmlns="http://www.gpxsee.org/map/1.4" type="WMTS">
 	<name>Antarctica</name>
 	<url type="REST">https://gis.ngdc.noaa.gov/arcgis/rest/services/antarctic/antarctic_basemap/MapServer/WMTS/1.0.0/WMTSCapabilities.xml</url>
 	<copyright>NOAA National Centers for Environmental Information (NCEI); International Bathymetric Chart of the Southern Ocean (IBCSO); General Bathymetric Chart of the Oceans (GEBCO); Natural Earth</copyright>

pkg/maps/OpenStreetMap.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<map xmlns="http://www.gpxsee.org/map/1.3">
+<map xmlns="http://www.gpxsee.org/map/1.4">
 	<name>Open Street Map</name>
 	<url>https://tile.openstreetmap.org/$z/$x/$y.png</url>
 	<copyright>Map data: © OpenStreetMap contributors (ODbL) | Rendering: © OpenStreetMap (CC-BY-SA)</copyright>

pkg/maps/OpenTopoMap.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<map xmlns="http://www.gpxsee.org/map/1.3">
+<map xmlns="http://www.gpxsee.org/map/1.4">
 	<name>Open Topo Map</name>
 	<url>https://a.tile.opentopomap.org/$z/$x/$y.png</url>
 	<zoom max="17"/>

pkg/maps/USGS-imagery.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<map xmlns="http://www.gpxsee.org/map/1.3">
+<map xmlns="http://www.gpxsee.org/map/1.4">
 	<name>USGS Imagery</name>
 	<url>https://basemap.nationalmap.gov/ArcGIS/rest/services/USGSImageryOnly/MapServer/tile/$z/$y/$x</url>
 	<zoom min="2" max="15"/>

pkg/maps/USGS-topo.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<map xmlns="http://www.gpxsee.org/map/1.3">
+<map xmlns="http://www.gpxsee.org/map/1.4">
 	<name>USGS Topo</name>
 	<url>https://basemap.nationalmap.gov/arcgis/rest/services/USGSTopo/MapServer/tile/$z/$y/$x</url>
 	<zoom min="2" max="15"/>

src/GUI/cadencegraphitem.cpp

@@ -5,7 +5,7 @@
 
 CadenceGraphItem::CadenceGraphItem(const Graph &graph, GraphType type,
   int width, const QColor &color, QGraphicsItem *parent)
-  : GraphItem(graph, type, width, color, parent)
+  : GraphItem(graph, type, width, color, Qt::SolidLine, parent)
 {
 }
 

src/GUI/elevationgraph.cpp

@@ -65,35 +65,38 @@ void ElevationGraph::setInfo()
 	}
 }
 
-GraphItem *ElevationGraph::loadGraph(const Graph &graph, Type type)
+GraphItem *ElevationGraph::loadGraph(const Graph &graph, PathType type,
+  const QColor &color, bool primary)
 {
-	if (!graph.isValid()) {
-		_palette.nextColor();
+	if (!graph.isValid())
 		return 0;
-	}
 
 	ElevationGraphItem *gi = new ElevationGraphItem(graph, _graphType, _width,
-	  _palette.nextColor());
+	  color, primary ? Qt::SolidLine : Qt::DashLine);
 	gi->setUnits(_units);
 
-	if (type == Track) {
+	if (type == TrackPath) {
 		_tracks.append(gi);
 		if (_showTracks)
 			addGraph(gi);
 
-		_trackAscent += gi->ascent();
-		_trackDescent += gi->descent();
-		_trackMax = nMax(_trackMax, gi->max());
-		_trackMin = nMin(_trackMin, gi->min());
+		if (primary) {
+			_trackAscent += gi->ascent();
+			_trackDescent += gi->descent();
+			_trackMax = nMax(_trackMax, gi->max());
+			_trackMin = nMin(_trackMin, gi->min());
+		}
 	} else {
 		_routes.append(gi);
 		if (_showRoutes)
 			addGraph(gi);
 
-		_routeAscent += gi->ascent();
-		_routeDescent += gi->descent();
-		_routeMax = nMax(_routeMax, gi->max());
-		_routeMin = nMin(_routeMin, gi->min());
+		if (primary) {
+			_routeAscent += gi->ascent();
+			_routeDescent += gi->descent();
+			_routeMax = nMax(_routeMax, gi->max());
+			_routeMin = nMin(_routeMin, gi->min());
+		}
 	}
 
 	return gi;
@@ -102,11 +105,32 @@ GraphItem *ElevationGraph::loadGraph(const Graph &graph, Type type)
 QList<GraphItem*> ElevationGraph::loadData(const Data &data)
 {
 	QList<GraphItem*> graphs;
+	GraphItem *primary, *secondary;
 
-	for (int i = 0; i < data.tracks().count(); i++)
-		graphs.append(loadGraph(data.tracks().at(i).elevation(), Track));
-	for (int i = 0; i < data.routes().count(); i++)
-		graphs.append(loadGraph(data.routes().at(i).elevation(), Route));
+	for (int i = 0; i < data.tracks().count(); i++) {
+		QColor color(_palette.nextColor());
+		const GraphPair &gp = data.tracks().at(i).elevation();
+
+		primary = loadGraph(gp.primary(), TrackPath, color, true);
+		secondary = primary
+		  ? loadGraph(gp.secondary(), TrackPath, color, false) : 0;
+		if (primary && secondary)
+			primary->setSecondaryGraph(secondary);
+
+		graphs.append(primary);
+	}
+	for (int i = 0; i < data.routes().count(); i++) {
+		QColor color(_palette.nextColor());
+		const GraphPair &gp = data.routes().at(i).elevation();
+
+		primary = loadGraph(gp.primary(), RoutePath, color, true);
+		secondary = primary
+		  ? loadGraph(gp.secondary(), RoutePath, color, false) : 0;
+		if (primary && secondary)
+			primary->setSecondaryGraph(secondary);
+
+		graphs.append(primary);
+	}
 	for (int i = 0; i < data.areas().count(); i++)
 		_palette.nextColor();
 

src/GUI/elevationgraph.h

@@ -21,7 +21,7 @@ public:
 	void showRoutes(bool show);
 
 private:
-	enum Type {Track, Route};
+	enum PathType {TrackPath, RoutePath};
 
 	qreal max() const;
 	qreal min() const;
@@ -31,7 +31,8 @@ private:
 	void setYUnits(Units units);
 	void setInfo();
 
-	GraphItem *loadGraph(const Graph &graph, Type type);
+	GraphItem *loadGraph(const Graph &graph, PathType type, const QColor &color,
+	  bool primary);
 	void showItems(const QList<ElevationGraphItem *> &list, bool show);
 
 	qreal _trackAscent, _trackDescent;

src/GUI/elevationgraphitem.cpp

@@ -4,8 +4,8 @@
 
 
 ElevationGraphItem::ElevationGraphItem(const Graph &graph, GraphType type,
-  int width, const QColor &color, QGraphicsItem *parent)
-  : GraphItem(graph, type, width, color, parent)
+  int width, const QColor &color, Qt::PenStyle style, QGraphicsItem *parent)
+  : GraphItem(graph, type, width, color, style, parent)
 {
 	_min = GraphItem::min();
 	_max = GraphItem::max();
@@ -42,5 +42,6 @@ QString ElevationGraphItem::info() const
 	tt.insert(tr("Minimum"), l.toString(min() * scale, 'f', 0)
 	  + UNIT_SPACE + su);
 
+
 	return tt.toString();
 }

src/GUI/elevationgraphitem.h

@@ -8,8 +8,10 @@ class ElevationGraphItem : public GraphItem
 	Q_OBJECT
 
 public:
+	enum DataType {GPS, DEM};
+
 	ElevationGraphItem(const Graph &graph, GraphType type, int width,
-	  const QColor &color, QGraphicsItem *parent = 0);
+	  const QColor &color, Qt::PenStyle style, QGraphicsItem *parent = 0);
 
 	qreal ascent() const {return _ascent;}
 	qreal descent() const {return _descent;}

src/GUI/gearratiographitem.cpp

@@ -6,7 +6,7 @@
 
 GearRatioGraphItem::GearRatioGraphItem(const Graph &graph, GraphType type,
   int width, const QColor &color, QGraphicsItem *parent)
-  : GraphItem(graph, type, width, color, parent)
+  : GraphItem(graph, type, width, color, Qt::SolidLine, parent)
 {
 	for (int i = 0; i < graph.size(); i++) {
 		const GraphSegment &segment = graph.at(i);

src/GUI/graphitem.cpp

@@ -5,13 +5,13 @@
 
 
 GraphItem::GraphItem(const Graph &graph, GraphType type, int width,
-  const QColor &color, QGraphicsItem *parent)
-  : GraphicsItem(parent), _graph(graph), _type(type)
+  const QColor &color, Qt::PenStyle style, QGraphicsItem *parent)
+  : GraphicsItem(parent), _graph(graph), _type(type), _secondaryGraph(0)
 {
 	Q_ASSERT(_graph.isValid());
 
 	_units = Metric;
-	_pen = QPen(color, width);
+	_pen = QPen(color, width, style);
 	_sx = 0; _sy = 0;
 	_time = _graph.hasTime();
 	setZValue(2.0);

src/GUI/graphitem.h

@@ -12,8 +12,8 @@ class GraphItem : public QObject, public GraphicsItem
 	Q_OBJECT
 
 public:
-	GraphItem(const Graph &graph, GraphType type, int width, const QColor &color,
-	  QGraphicsItem *parent = 0);
+	GraphItem(const Graph &graph, GraphType type, int width,
+	  const QColor &color, Qt::PenStyle style, QGraphicsItem *parent = 0);
 	virtual ~GraphItem() {}
 
 	virtual QString info() const = 0;
@@ -35,6 +35,9 @@ public:
 	void setWidth(int width);
 	void setUnits(Units units) {_units = units;}
 
+	GraphItem *secondaryGraph() const {return _secondaryGraph;}
+	void setSecondaryGraph(GraphItem *graph) {_secondaryGraph = graph;}
+
 	qreal yAtX(qreal x);
 	qreal distanceAtTime(qreal time);
 
@@ -69,6 +72,8 @@ private:
 	qreal _sx, _sy;
 	QPen _pen;
 	bool _time;
+
+	GraphItem *_secondaryGraph;
 };
 
 #endif // GRAPHITEM_H

src/GUI/graphview.cpp

@@ -274,8 +274,8 @@ void GraphView::redraw(const QSizeF &size)
 	rx = RangeF(bounds().left() * _xScale, bounds().right() * _xScale);
 	ry = RangeF(bounds().top() * _yScale + _yOffset, bounds().bottom() * _yScale
 	  + _yOffset);
-	if (ry.size() < _minYRange)
-		ry.resize(_minYRange);
+	if (ry.size() < _minYRange * _yScale)
+		ry.resize(_minYRange * _yScale);
 
 	_xAxis->setRange(rx);
 	_yAxis->setRange(ry);
@@ -419,14 +419,16 @@ void GraphView::updateSliderInfo()
 {
 	QLocale l(QLocale::system());
 	qreal r = 0, y = 0;
+	GraphItem *cardinal = (_graphs.count() == 1 || (_graphs.count() == 2
+	  && _graphs.first()->secondaryGraph())) ? _graphs.first() : 0;
 
-	if (_graphs.count() == 1) {
-		QRectF br(_graphs.first()->bounds());
+	if (cardinal) {
+		QRectF br(_bounds);
 		if (br.height() < _minYRange)
 			br.adjust(0, -(_minYRange/2 - br.height()/2), 0,
 			  _minYRange/2 - br.height()/2);
 
-		y = _graphs.first()->yAtX(_sliderPos);
+		y = cardinal->yAtX(_sliderPos);
 		r = (y - br.bottom()) / br.height();
 	}
 
@@ -436,11 +438,17 @@ void GraphView::updateSliderInfo()
 
 	_sliderInfo->setSide(s);
 	_sliderInfo->setPos(QPointF(0, _slider->boundingRect().height() * r));
-	_sliderInfo->setText(_graphType == Time ? Format::timeSpan(_sliderPos,
+	QString xText(_graphType == Time ? Format::timeSpan(_sliderPos,
 	  bounds().width() > 3600) : l.toString(_sliderPos * _xScale, 'f', 1)
-	  + UNIT_SPACE + _xUnits, (_graphs.count() > 1) ? QString()
-	  : l.toString(-y * _yScale + _yOffset, 'f', _precision) + UNIT_SPACE
-	  + _yUnits);
+	  + UNIT_SPACE + _xUnits);
+	QString yText((!cardinal) ? QString() : l.toString(-y * _yScale + _yOffset,
+	  'f', _precision) + UNIT_SPACE + _yUnits);
+	if (cardinal && cardinal->secondaryGraph()) {
+		qreal delta = y - cardinal->secondaryGraph()->yAtX(_sliderPos);
+		yText += " " + QChar(0x0394) + l.toString(-delta * _yScale + _yOffset,
+		  'f', _precision) + UNIT_SPACE + _yUnits;
+	}
+	_sliderInfo->setText(xText, yText);
 }
 
 void GraphView::emitSliderPositionChanged(const QPointF &pos)

src/GUI/gui.cpp

@@ -51,6 +51,7 @@
 #include "graphtab.h"
 #include "graphitem.h"
 #include "pathitem.h"
+#include "mapaction.h"
 #include "gui.h"
 
 
@@ -58,7 +59,6 @@
 
 GUI::GUI()
 {
-	loadMaps();
 	loadPOIs();
 
 	createMapView();
@@ -106,24 +106,13 @@ GUI::GUI()
 	updateStatusBarInfo();
 }
 
-void GUI::loadMaps()
-{
-	_ml = new MapList(this);
-	QString mapDir(ProgramPaths::mapDir());
-
-	if (!mapDir.isNull() && !_ml->loadDir(mapDir))
-		qWarning("%s", qPrintable(_ml->errorPath() + ": " + _ml->errorString()));
-
-	_map = new EmptyMap(this);
-}
-
 void GUI::loadPOIs()
 {
 	_poi = new POI(this);
-	QString poiDir(ProgramPaths::poiDir());
 
-	if (!poiDir.isNull() && !_poi->loadDir(poiDir))
-		qWarning("%s", qPrintable(_poi->errorString()));
+	QString poiDir(ProgramPaths::poiDir());
+	if (!poiDir.isNull())
+		_poi->loadDir(poiDir);
 }
 
 void GUI::createBrowser()
@@ -134,40 +123,56 @@ void GUI::createBrowser()
 
 void GUI::createMapActions()
 {
-	_mapsSignalMapper = new QSignalMapper(this);
 	_mapsActionGroup = new QActionGroup(this);
 	_mapsActionGroup->setExclusive(true);
 
-	for (int i = 0; i < _ml->maps().count(); i++)
-		createMapAction(_ml->maps().at(i));
+	QString mapDir(ProgramPaths::mapDir());
+	if (mapDir.isNull())
+		return;
 
-	connect(_mapsSignalMapper, SIGNAL(mapped(int)), this,
-	  SLOT(mapChanged(int)));
+	QString unused;
+	QList<Map*> maps(MapList::loadMaps(mapDir, unused));
+	for (int i = 0; i < maps.count(); i++) {
+		MapAction *a = createMapAction(maps.at(i));
+		connect(a, SIGNAL(loaded()), this, SLOT(mapInitialized()));
+	}
 }
 
-QAction *GUI::createMapAction(const Map *map)
+MapAction *GUI::createMapAction(Map *map)
 {
-	QAction *a = new QAction(map->name(), this);
+	MapAction *a = new MapAction(map);
 	a->setMenuRole(QAction::NoRole);
 	a->setCheckable(true);
 	a->setActionGroup(_mapsActionGroup);
-
-	_mapActions.append(a);
-	_mapsSignalMapper->setMapping(a, _mapActions.size() - 1);
-	connect(a, SIGNAL(triggered()), _mapsSignalMapper, SLOT(map()));
+	connect(a, SIGNAL(triggered()), this, SLOT(mapChanged()));
 
 	return a;
 }
 
+void GUI::mapInitialized()
+{
+	MapAction *action = static_cast<MapAction*>(QObject::sender());
+	Map *map = action->data().value<Map*>();
+
+	if (map->isValid()) {
+		if (!_mapsActionGroup->checkedAction())
+			action->trigger();
+		_showMapAction->setEnabled(true);
+		_clearMapCacheAction->setEnabled(true);
+	} else {
+		qWarning("%s: %s", qPrintable(map->name()), qPrintable(map->errorString()));
+		action->deleteLater();
+	}
+}
+
 void GUI::createPOIFilesActions()
 {
 	_poiFilesSignalMapper = new QSignalMapper(this);
+	connect(_poiFilesSignalMapper, SIGNAL(mapped(int)), this,
+	  SLOT(poiFileChecked(int)));
 
 	for (int i = 0; i < _poi->files().count(); i++)
 		createPOIFileAction(_poi->files().at(i));
-
-	connect(_poiFilesSignalMapper, SIGNAL(mapped(int)), this,
-	  SLOT(poiFileChecked(int)));
 }
 
 QAction *GUI::createPOIFileAction(const QString &fileName)
@@ -281,8 +286,10 @@ void GUI::createActions()
 	createPOIFilesActions();
 
 	// Map actions
+	createMapActions();
 	_showMapAction = new QAction(QIcon(SHOW_MAP_ICON), tr("Show map"),
 	  this);
+	_showMapAction->setEnabled(false);
 	_showMapAction->setMenuRole(QAction::NoRole);
 	_showMapAction->setCheckable(true);
 	_showMapAction->setShortcut(SHOW_MAP_SHORTCUT);
@@ -294,10 +301,10 @@ void GUI::createActions()
 	_loadMapAction->setMenuRole(QAction::NoRole);
 	connect(_loadMapAction, SIGNAL(triggered()), this, SLOT(loadMap()));
 	_clearMapCacheAction = new QAction(tr("Clear tile cache"), this);
+	_clearMapCacheAction->setEnabled(false);
 	_clearMapCacheAction->setMenuRole(QAction::NoRole);
 	connect(_clearMapCacheAction, SIGNAL(triggered()), _mapView,
 	  SLOT(clearMapCache()));
-	createMapActions();
 	_nextMapAction = new QAction(tr("Next map"), this);
 	_nextMapAction->setMenuRole(QAction::NoRole);
 	_nextMapAction->setShortcut(NEXT_MAP_SHORTCUT);
@@ -308,10 +315,6 @@ void GUI::createActions()
 	_prevMapAction->setShortcut(PREV_MAP_SHORTCUT);
 	connect(_prevMapAction, SIGNAL(triggered()), this, SLOT(prevMap()));
 	addAction(_prevMapAction);
-	if (_ml->maps().isEmpty()) {
-		_showMapAction->setEnabled(false);
-		_clearMapCacheAction->setEnabled(false);
-	}
 	_showCoordinatesAction = new QAction(tr("Show cursor coordinates"), this);
 	_showCoordinatesAction->setMenuRole(QAction::NoRole);
 	_showCoordinatesAction->setCheckable(true);
@@ -506,7 +509,7 @@ void GUI::createMenus()
 #endif // Q_OS_MAC
 
 	_mapMenu = menuBar()->addMenu(tr("&Map"));
-	_mapMenu->addActions(_mapActions);
+	_mapMenu->addActions(_mapsActionGroup->actions());
 	_mapsEnd = _mapMenu->addSeparator();
 	_mapMenu->addAction(_loadMapAction);
 	_mapMenu->addAction(_clearMapCacheAction);
@@ -608,6 +611,7 @@ void GUI::createToolBars()
 
 void GUI::createMapView()
 {
+	_map = new EmptyMap(this);
 	_mapView = new MapView(_map, _poi, this);
 	_mapView->setSizePolicy(QSizePolicy(QSizePolicy::Ignored,
 	  QSizePolicy::Expanding));
@@ -905,9 +909,14 @@ void GUI::openOptions()
 		Track::action(options.option); \
 		reload = true; \
 	}
-#define SET_DATA_OPTION(option, action) \
+#define SET_ROUTE_OPTION(option, action) \
 	if (options.option != _options.option) { \
-		Data::action(options.option); \
+		Route::action(options.option); \
+		reload = true; \
+	}
+#define SET_WAYPOINT_OPTION(option, action) \
+	if (options.option != _options.option) { \
+		Waypoint::action(options.option); \
 		reload = true; \
 	}
 
@@ -953,13 +962,18 @@ void GUI::openOptions()
 	SET_TRACK_OPTION(pauseSpeed, setPauseSpeed);
 	SET_TRACK_OPTION(pauseInterval, setPauseInterval);
 	SET_TRACK_OPTION(useReportedSpeed, useReportedSpeed);
+	SET_TRACK_OPTION(dataUseDEM, useDEM);
+	SET_TRACK_OPTION(showSecondaryElevation, showSecondaryElevation);
+	SET_TRACK_OPTION(showSecondarySpeed, showSecondarySpeed);
 
-	SET_DATA_OPTION(dataUseDEM, useDEM);
+	SET_ROUTE_OPTION(dataUseDEM, useDEM);
+	SET_ROUTE_OPTION(showSecondaryElevation, showSecondaryElevation);
+
+	SET_WAYPOINT_OPTION(dataUseDEM, useDEM);
+	SET_WAYPOINT_OPTION(showSecondaryElevation, showSecondaryElevation);
 
 	if (options.poiRadius != _options.poiRadius)
 		_poi->setRadius(options.poiRadius);
-	if (options.poiUseDEM != _options.poiUseDEM)
-		_poi->useDEM(options.poiUseDEM);
 
 	if (options.pixmapCache != _options.pixmapCache)
 		QPixmapCache::setCacheLimit(options.pixmapCache * 1024);
@@ -1322,25 +1336,49 @@ void GUI::loadMap()
 
 bool GUI::loadMap(const QString &fileName)
 {
+	// On OS X fileName may be a directory!
+
 	if (fileName.isEmpty())
 		return false;
 
-	QFileInfo fi(fileName);
-	bool res = fi.isDir() ? _ml->loadDir(fileName) : _ml->loadFile(fileName);
+	QString error;
+	QList<Map*> maps = MapList::loadMaps(fileName, error);
+	if (maps.isEmpty()) {
+		error = tr("Error loading map:") + "\n\n"
+		  + fileName + "\n\n" + error;
+		QMessageBox::critical(this, APP_NAME, error);
+		return false;
+	}
 
-	if (res) {
-		QAction *a = createMapAction(_ml->maps().last());
+	for (int i = 0; i < maps.size(); i++) {
+		Map *map = maps.at(i);
+		MapAction *a = createMapAction(map);
 		_mapMenu->insertAction(_mapsEnd, a);
+		if (map->isReady()) {
+			a->trigger();
+			_showMapAction->setEnabled(true);
+			_clearMapCacheAction->setEnabled(true);
+		} else
+			connect(a, SIGNAL(loaded()), this, SLOT(mapLoaded()));
+	}
+
+	return true;
+}
+
+void GUI::mapLoaded()
+{
+	MapAction *action = static_cast<MapAction*>(QObject::sender());
+	Map *map = action->data().value<Map*>();
+
+	if (map->isValid()) {
+		action->trigger();
 		_showMapAction->setEnabled(true);
 		_clearMapCacheAction->setEnabled(true);
-		a->trigger();
-		return true;
 	} else {
 		QString error = tr("Error loading map:") + "\n\n"
-		  + fileName + "\n\n" + _ml->errorString();
+		  + map->name() + "\n\n" + map->errorString();
 		QMessageBox::critical(this, APP_NAME, error);
-
-		return false;
+		action->deleteLater();
 	}
 }
 
@@ -1382,31 +1420,42 @@ void GUI::updateWindowTitle()
 		setWindowTitle(APP_NAME);
 }
 
-void GUI::mapChanged(int index)
+void GUI::mapChanged()
 {
-	_map = _ml->maps().at(index);
+	_map = _mapsActionGroup->checkedAction()->data().value<Map*>();
 	_mapView->setMap(_map);
 }
 
 void GUI::nextMap()
 {
-	if (_ml->maps().count() < 2)
+	QAction *checked = _mapsActionGroup->checkedAction();
+	if (!checked)
 		return;
 
-	int next = (_ml->maps().indexOf(_map) + 1) % _ml->maps().count();
-	_mapActions.at(next)->setChecked(true);
-	mapChanged(next);
+	QList<QAction*> maps = _mapsActionGroup->actions();
+	for (int i = 1;	i < maps.size(); i++) {
+		int next = (maps.indexOf(checked) + i) % maps.count();
+		if (maps.at(next)->isEnabled()) {
+			maps.at(next)->trigger();
+			break;
+		}
+	}
 }
 
 void GUI::prevMap()
 {
-	if (_ml->maps().count() < 2)
+	QAction *checked = _mapsActionGroup->checkedAction();
+	if (!checked)
 		return;
 
-	int prev = (_ml->maps().indexOf(_map) + _ml->maps().count() - 1)
-	  % _ml->maps().count();
-	_mapActions.at(prev)->setChecked(true);
-	mapChanged(prev);
+	QList<QAction*> maps = _mapsActionGroup->actions();
+	for (int i = 1; i < maps.size(); i++) {
+		int prev = (maps.indexOf(checked) + maps.count() - i) % maps.count();
+		if (maps.at(prev)->isEnabled()) {
+			maps.at(prev)->trigger();
+			break;
+		}
+	}
 }
 
 void GUI::poiFileChecked(int index)
@@ -1812,10 +1861,14 @@ void GUI::writeSettings()
 		settings.setValue(USE_REPORTED_SPEED_SETTING, _options.useReportedSpeed);
 	if (_options.dataUseDEM != DATA_USE_DEM_DEFAULT)
 		settings.setValue(DATA_USE_DEM_SETTING, _options.dataUseDEM);
+	if (_options.showSecondaryElevation != SHOW_SECONDARY_ELEVATION_DEFAULT)
+		settings.setValue(SHOW_SECONDARY_ELEVATION_SETTING,
+		  _options.showSecondaryElevation);
+	if (_options.showSecondarySpeed != SHOW_SECONDARY_SPEED_DEFAULT)
+		settings.setValue(SHOW_SECONDARY_SPEED_SETTING,
+		  _options.showSecondarySpeed);
 	if (_options.poiRadius != POI_RADIUS_DEFAULT)
 		settings.setValue(POI_RADIUS_SETTING, _options.poiRadius);
-	if (_options.poiUseDEM != POI_USE_DEM_DEFAULT)
-		settings.setValue(POI_USE_DEM_SETTING, _options.poiUseDEM);
 	if (_options.useOpenGL != USE_OPENGL_DEFAULT)
 		settings.setValue(USE_OPENGL_SETTING, _options.useOpenGL);
 #ifdef ENABLE_HTTP2
@@ -1899,9 +1952,11 @@ void GUI::readSettings()
 		_showMapAction->setChecked(true);
 	else
 		_mapView->showMap(false);
-	if (_ml->maps().count()) {
-		int index = mapIndex(settings.value(CURRENT_MAP_SETTING).toString());
-		_mapActions.at(index)->trigger();
+	QAction *ma = mapAction(settings.value(CURRENT_MAP_SETTING).toString());
+	if (ma) {
+		ma->trigger();
+		_showMapAction->setEnabled(true);
+		_clearMapCacheAction->setEnabled(true);
 	}
 	if (settings.value(SHOW_COORDINATES_SETTING, SHOW_COORDINATES_DEFAULT)
 	  .toBool()) {
@@ -2078,14 +2133,18 @@ void GUI::readSettings()
 	  USE_REPORTED_SPEED_DEFAULT).toBool();
 	_options.dataUseDEM = settings.value(DATA_USE_DEM_SETTING,
 	  DATA_USE_DEM_DEFAULT).toBool();
+	_options.showSecondaryElevation = settings.value(
+	  SHOW_SECONDARY_ELEVATION_SETTING,
+	  SHOW_SECONDARY_ELEVATION_DEFAULT).toBool();
+	_options.showSecondarySpeed = settings.value(
+	  SHOW_SECONDARY_SPEED_SETTING,
+	  SHOW_SECONDARY_SPEED_DEFAULT).toBool();
 	_options.automaticPause = settings.value(AUTOMATIC_PAUSE_SETTING,
 	  AUTOMATIC_PAUSE_DEFAULT).toBool();
 	_options.pauseInterval = settings.value(PAUSE_INTERVAL_SETTING,
 	  PAUSE_INTERVAL_DEFAULT).toInt();
 	_options.poiRadius = settings.value(POI_RADIUS_SETTING, POI_RADIUS_DEFAULT)
 	  .toInt();
-	_options.poiUseDEM = settings.value(POI_USE_DEM_SETTING,
-	  POI_USE_DEM_DEFAULT).toBool();
 	_options.useOpenGL = settings.value(USE_OPENGL_SETTING, USE_OPENGL_DEFAULT)
 	  .toBool();
 #ifdef ENABLE_HTTP2
@@ -2165,21 +2224,38 @@ void GUI::readSettings()
 	Track::setPauseSpeed(_options.pauseSpeed);
 	Track::setPauseInterval(_options.pauseInterval);
 	Track::useReportedSpeed(_options.useReportedSpeed);
-	Data::useDEM(_options.dataUseDEM);
+	Track::useDEM(_options.dataUseDEM);
+	Track::showSecondaryElevation(_options.showSecondaryElevation);
+	Track::showSecondarySpeed(_options.showSecondarySpeed);
+	Route::useDEM(_options.dataUseDEM);
+	Route::showSecondaryElevation(_options.showSecondaryElevation);
+	Waypoint::useDEM(_options.dataUseDEM);
+	Waypoint::showSecondaryElevation(_options.showSecondaryElevation);
 
 	_poi->setRadius(_options.poiRadius);
-	_poi->useDEM(_options.poiUseDEM);
 
 	QPixmapCache::setCacheLimit(_options.pixmapCache * 1024);
 
 	settings.endGroup();
 }
 
-int GUI::mapIndex(const QString &name)
+QAction *GUI::mapAction(const QString &name)
 {
-	for (int i = 0; i < _ml->maps().count(); i++)
-		if (_ml->maps().at(i)->name() == name)
-			return i;
+	QList<QAction *> maps = _mapsActionGroup->actions();
+
+	// Last map
+	for (int i = 0; i < maps.count(); i++) {
+		Map *map = maps.at(i)->data().value<Map*>();
+		if (map->name() == name && map->isReady())
+			return maps.at(i);
+	}
+
+	// Any usable map
+	for (int i = 0; i < maps.count(); i++) {
+		Map *map = maps.at(i)->data().value<Map*>();
+		if (map->isReady())
+			return maps.at(i);
+	}
 
 	return 0;
 }

src/GUI/gui.h

@@ -26,9 +26,9 @@ class FileBrowser;
 class GraphTab;
 class MapView;
 class Map;
-class MapList;
 class POI;
 class QScreen;
+class MapAction;
 
 class GUI : public QMainWindow
 {
@@ -64,7 +64,7 @@ private slots:
 	void prevMap();
 	void openOptions();
 
-	void mapChanged(int);
+	void mapChanged();
 	void graphChanged(int);
 	void poiFileChecked(int);
 
@@ -88,16 +88,18 @@ private slots:
 	void screenChanged(QScreen *screen);
 	void logicalDotsPerInchChanged(qreal dpi);
 
+	void mapLoaded();
+	void mapInitialized();
+
 private:
 	typedef QPair<QDate, QDate> DateRange;
 
-	void loadMaps();
 	void loadPOIs();
 	void closeFiles();
 	void plot(QPrinter *printer);
 
 	QAction *createPOIFileAction(const QString &fileName);
-	QAction *createMapAction(const Map *map);
+	MapAction *createMapAction(Map *map);
 	void createPOIFilesActions();
 	void createMapActions();
 	void createActions();
@@ -127,7 +129,7 @@ private:
 	qreal distance() const;
 	qreal time() const;
 	qreal movingTime() const;
-	int mapIndex(const QString &name);
+	QAction *mapAction(const QString &name);
 	void readSettings();
 	void writeSettings();
 
@@ -196,11 +198,9 @@ private:
 	QAction *_showCoordinatesAction;
 	QAction *_openOptionsAction;
 	QAction *_mapsEnd;
-	QList<QAction*> _mapActions;
-	QList<QAction*> _poiFilesActions;
 
+	QList<QAction*> _poiFilesActions;
 	QSignalMapper *_poiFilesSignalMapper;
-	QSignalMapper *_mapsSignalMapper;
 
 	QLabel *_fileNameLabel;
 	QLabel *_distanceLabel;
@@ -212,7 +212,6 @@ private:
 	QList<GraphTab*> _tabs;
 
 	POI *_poi;
-	MapList *_ml;
 	Map *_map;
 
 	FileBrowser *_browser;

src/GUI/heartrategraphitem.cpp

@@ -5,7 +5,7 @@
 
 HeartRateGraphItem::HeartRateGraphItem(const Graph &graph, GraphType type,
   int width, const QColor &color, QGraphicsItem *parent)
-  : GraphItem(graph, type, width, color, parent)
+  : GraphItem(graph, type, width, color, Qt::SolidLine, parent)
 {
 }
 

src/GUI/mapaction.h

@@ -0,0 +1,32 @@
+#ifndef MAPACTION_H
+#define MAPACTION_H
+
+#include <QAction>
+#include "map/map.h"
+
+class MapAction : public QAction
+{
+	Q_OBJECT
+
+public:
+	MapAction(Map *map, QObject *parent = 0) : QAction(map->name(), parent)
+	{
+		map->setParent(this);
+		setData(QVariant::fromValue(map));
+		setEnabled(map->isValid());
+		connect(map, SIGNAL(mapLoaded()), this, SLOT(mapLoaded()));
+	}
+
+signals:
+	void loaded();
+
+private slots:
+	void mapLoaded()
+	{
+		Map *map = data().value<Map*>();
+		setEnabled(map->isValid());
+		emit loaded();
+	}
+};
+
+#endif // MAPACTION_H

src/GUI/mapview.cpp

@@ -2,7 +2,6 @@
 #include <QGraphicsScene>
 #include <QWheelEvent>
 #include <QApplication>
-#include <QPixmapCache>
 #include <QScrollBar>
 #include "data/poi.h"
 #include "data/data.h"
@@ -55,7 +54,7 @@ MapView::MapView(Map *map, POI *poi, QWidget *parent)
 	_map = map;
 	_map->load();
 	_map->setProjection(_projection);
-	connect(_map, SIGNAL(loaded()), this, SLOT(reloadMap()));
+	connect(_map, SIGNAL(tilesLoaded()), this, SLOT(reloadMap()));
 
 	_poi = poi;
 	connect(_poi, SIGNAL(pointsChanged()), this, SLOT(updatePOI()));
@@ -317,7 +316,7 @@ void MapView::setMap(Map *map)
 	RectC cr(_map->xy2ll(vr.topLeft()), _map->xy2ll(vr.bottomRight()));
 
 	_map->unload();
-	disconnect(_map, SIGNAL(loaded()), this, SLOT(reloadMap()));
+	disconnect(_map, SIGNAL(tilesLoaded()), this, SLOT(reloadMap()));
 
 	_map = map;
 	_map->load();
@@ -325,7 +324,7 @@ void MapView::setMap(Map *map)
 #ifdef ENABLE_HIDPI
 	_map->setDevicePixelRatio(_deviceRatio, _mapRatio);
 #endif // ENABLE_HIDPI
-	connect(_map, SIGNAL(loaded()), this, SLOT(reloadMap()));
+	connect(_map, SIGNAL(tilesLoaded()), this, SLOT(reloadMap()));
 
 	digitalZoom(0);
 
@@ -351,7 +350,6 @@ void MapView::setMap(Map *map)
 	centerOn(nc);
 
 	reloadMap();
-	QPixmapCache::clear();
 }
 
 void MapView::setPOI(POI *poi)
@@ -453,10 +451,7 @@ void MapView::setCoordinatesFormat(CoordinatesFormat format)
 void MapView::clearMapCache()
 {
 	_map->clearCache();
-
-	fitMapZoom();
-	rescale();
-	centerOn(contentCenter());
+	reloadMap();
 }
 
 void MapView::digitalZoom(int zoom)
@@ -982,7 +977,6 @@ void MapView::setDevicePixelRatio(qreal deviceRatio, qreal mapRatio)
 
 	_deviceRatio = deviceRatio;
 	_mapRatio = mapRatio;
-	QPixmapCache::clear();
 
 	QRectF vr(mapToScene(viewport()->rect()).boundingRect()
 	  .intersected(_map->bounds()));

src/GUI/optionsdialog.cpp

@@ -12,6 +12,7 @@
 #include <QRadioButton>
 #include <QLabel>
 #include <QSysInfo>
+#include <QButtonGroup>
 #include "map/pcs.h"
 #include "icons.h"
 #include "colorbox.h"
@@ -406,6 +407,8 @@ QWidget *OptionsDialog::createDataPage()
 		_reportedSpeed->setChecked(true);
 	else
 		_computedSpeed->setChecked(true);
+	_showSecondarySpeed = new QCheckBox(tr("Show secondary speed"));
+	_showSecondarySpeed->setChecked(_options->showSecondarySpeed);
 
 	_dataGPSElevation = new QRadioButton(tr("GPS data"));
 	_dataDEMElevation = new QRadioButton(tr("DEM data"));
@@ -413,19 +416,28 @@ QWidget *OptionsDialog::createDataPage()
 		_dataDEMElevation->setChecked(true);
 	else
 		_dataGPSElevation->setChecked(true);
-
+	_showSecondaryElevation = new QCheckBox(tr("Show secondary elevation"));
+	_showSecondaryElevation->setChecked(_options->showSecondaryElevation);
 
 	QWidget *sourceTab = new QWidget();
 	QVBoxLayout *sourceTabLayout = new QVBoxLayout();
 
 #ifdef Q_OS_MAC
+	QButtonGroup *speedGroup = new QButtonGroup(this);
+	speedGroup->addButton(_computedSpeed);
+	speedGroup->addButton(_reportedSpeed);
 	QVBoxLayout *speedOptions = new QVBoxLayout();
 	speedOptions->addWidget(_computedSpeed);
 	speedOptions->addWidget(_reportedSpeed);
+	speedOptions->addWidget(_showSecondarySpeed);
 
+	QButtonGroup *elevationGroup = new QButtonGroup(this);
+	elevationGroup->addButton(_dataGPSElevation);
+	elevationGroup->addButton(_dataDEMElevation);
 	QVBoxLayout *elevationOptions = new QVBoxLayout();
 	elevationOptions->addWidget(_dataGPSElevation);
 	elevationOptions->addWidget(_dataDEMElevation);
+	elevationOptions->addWidget(_showSecondaryElevation);
 
 	QFormLayout *formLayout = new QFormLayout();
 	formLayout->addRow(tr("Speed:"), speedOptions);
@@ -438,12 +450,14 @@ QWidget *OptionsDialog::createDataPage()
 
 	speedLayout->addWidget(_computedSpeed);
 	speedLayout->addWidget(_reportedSpeed);
+	speedLayout->addWidget(_showSecondarySpeed);
 
 	QGroupBox *speedBox = new QGroupBox(tr("Speed"));
 	speedBox->setLayout(speedLayout);
 
 	elevationLayout->addWidget(_dataGPSElevation);
 	elevationLayout->addWidget(_dataDEMElevation);
+	elevationLayout->addWidget(_showSecondaryElevation);
 
 	QGroupBox *elevationBox = new QGroupBox(tr("Elevation"));
 	elevationBox->setLayout(elevationLayout);
@@ -465,13 +479,6 @@ QWidget *OptionsDialog::createDataPage()
 
 QWidget *OptionsDialog::createPOIPage()
 {
-	_poiGPSElevation = new QRadioButton(tr("GPS data"));
-	_poiDEMElevation = new QRadioButton(tr("DEM data"));
-	if (_options->poiUseDEM)
-		_poiDEMElevation->setChecked(true);
-	else
-		_poiGPSElevation->setChecked(true);
-
 	_poiRadius = new QDoubleSpinBox();
 	_poiRadius->setSingleStep(1);
 	_poiRadius->setDecimals(1);
@@ -486,13 +493,8 @@ QWidget *OptionsDialog::createPOIPage()
 		_poiRadius->setSuffix(UNIT_SPACE + tr("km"));
 	}
 
-	QVBoxLayout *elevationLayout = new QVBoxLayout();
-	elevationLayout->addWidget(_poiGPSElevation);
-	elevationLayout->addWidget(_poiDEMElevation);
-
 	QFormLayout *poiLayout = new QFormLayout();
 	poiLayout->addRow(tr("Radius:"), _poiRadius);
-	poiLayout->addRow(tr("Elevation:"), elevationLayout);
 
 	QWidget *poiTab = new QWidget();
 	poiTab->setLayout(poiLayout);
@@ -718,13 +720,14 @@ void OptionsDialog::accept()
 	_options->pauseInterval = _pauseInterval->value();
 	_options->useReportedSpeed = _reportedSpeed->isChecked();
 	_options->dataUseDEM = _dataDEMElevation->isChecked();
+	_options->showSecondaryElevation = _showSecondaryElevation->isChecked();
+	_options->showSecondarySpeed = _showSecondarySpeed->isChecked();
 
 	qreal poiRadius = (_options->units == Imperial)
 		? _poiRadius->value() * MIINM : (_options->units == Nautical)
 		? _poiRadius->value() * NMIINM : _poiRadius->value() * KMINM;
 	if (qAbs(poiRadius - _options->poiRadius) > 0.01)
 		_options->poiRadius = poiRadius;
-	_options->poiUseDEM = _poiDEMElevation->isChecked();
 
 	_options->useOpenGL = _useOpenGL->isChecked();
 #ifdef ENABLE_HTTP2

src/GUI/optionsdialog.h

@@ -54,9 +54,10 @@ struct Options {
 	int pauseInterval;
 	bool useReportedSpeed;
 	bool dataUseDEM;
+	bool showSecondaryElevation;
+	bool showSecondarySpeed;
 	// POI
 	int poiRadius;
-	bool poiUseDEM;
 	// System
 	bool useOpenGL;
 #ifdef ENABLE_HTTP2
@@ -142,10 +143,10 @@ private:
 	QRadioButton *_reportedSpeed;
 	QRadioButton *_dataGPSElevation;
 	QRadioButton *_dataDEMElevation;
+	QCheckBox *_showSecondaryElevation;
+	QCheckBox *_showSecondarySpeed;
 	// POI
 	QDoubleSpinBox *_poiRadius;
-	QRadioButton *_poiGPSElevation;
-	QRadioButton *_poiDEMElevation;
 	// System
 	QSpinBox *_pixmapCache;
 	QSpinBox *_connectionTimeout;

src/GUI/powergraphitem.cpp

@@ -5,7 +5,7 @@
 
 PowerGraphItem::PowerGraphItem(const Graph &graph, GraphType type, int width,
   const QColor &color, QGraphicsItem *parent)
-  : GraphItem(graph, type, width, color, parent)
+  : GraphItem(graph, type, width, color, Qt::SolidLine, parent)
 {
 }
 

src/GUI/routeitem.cpp

@@ -15,6 +15,8 @@ QString RouteItem::info() const
 		tt.insert(tr("Name"), _name);
 	if (!_desc.isEmpty())
 		tt.insert(tr("Description"), _desc);
+	if (!_comment.isEmpty() && _comment != _desc)
+		tt.insert(tr("Comment"), _comment);
 	tt.insert(tr("Distance"), Format::distance(path().last().last().distance(),
 	  _units));
 	if (!_links.isEmpty()) {
@@ -43,6 +45,7 @@ RouteItem::RouteItem(const Route &route, Map *map, QGraphicsItem *parent)
 
 	_name = route.name();
 	_desc = route.description();
+	_comment = route.comment();
 	_links = route.links();
 	_coordinatesFormat = DecimalDegrees;
 }

src/GUI/routeitem.h

@@ -29,6 +29,7 @@ public:
 private:
 	QString _name;
 	QString _desc;
+	QString _comment;
 	QVector<Link> _links;
 	CoordinatesFormat _coordinatesFormat;
 

src/GUI/settings.h

@@ -145,10 +145,12 @@
 #define USE_REPORTED_SPEED_DEFAULT        false
 #define DATA_USE_DEM_SETTING              "dataUseDEM"
 #define DATA_USE_DEM_DEFAULT              false
+#define SHOW_SECONDARY_ELEVATION_SETTING  "showSecondaryElevation"
+#define SHOW_SECONDARY_ELEVATION_DEFAULT  false
+#define SHOW_SECONDARY_SPEED_SETTING      "showSecondarySpeed"
+#define SHOW_SECONDARY_SPEED_DEFAULT      false
 #define POI_RADIUS_SETTING                "poiRadius"
 #define POI_RADIUS_DEFAULT                (int)(IMPERIAL_UNITS() ? MIINM : KMINM)
-#define POI_USE_DEM_SETTING               "poiUseDEM"
-#define POI_USE_DEM_DEFAULT               false
 #define USE_OPENGL_SETTING                "useOpenGL"
 #define USE_OPENGL_DEFAULT                false
 #define ENABLE_HTTP2_SETTING              "enableHTTP2"

src/GUI/speedgraph.cpp

@@ -40,31 +40,46 @@ void SpeedGraph::setInfo()
 		clearInfo();
 }
 
+GraphItem *SpeedGraph::loadGraph(const Graph &graph, const Track &track,
+  const QColor &color, bool primary)
+{
+	if (!graph.isValid())
+		return 0;
+
+	SpeedGraphItem *gi = new SpeedGraphItem(graph, _graphType, _width,
+	  color, primary ? Qt::SolidLine : Qt::DashLine, track.movingTime());
+	gi->setTimeType(_timeType);
+	gi->setUnits(_units);
+
+	_tracks.append(gi);
+	if (_showTracks)
+		addGraph(gi);
+
+	if (primary) {
+		_avg.append(QPointF(track.distance(), gi->avg()));
+		_mavg.append(QPointF(track.distance(), gi->mavg()));
+	}
+
+	return gi;
+}
+
 QList<GraphItem*> SpeedGraph::loadData(const Data &data)
 {
 	QList<GraphItem*> graphs;
 
 	for (int i = 0; i < data.tracks().count(); i++) {
+		GraphItem *primary, *secondary;
+		QColor color(_palette.nextColor());
 		const Track &track = data.tracks().at(i);
-		const Graph &graph = track.speed();
+		const GraphPair &gp = track.speed();
 
-		if (!graph.isValid()) {
-			_palette.nextColor();
-			graphs.append(0);
-		} else {
-			SpeedGraphItem *gi = new SpeedGraphItem(graph, _graphType, _width,
-			  _palette.nextColor(), track.movingTime());
-			gi->setTimeType(_timeType);
-			gi->setUnits(_units);
+		primary = loadGraph(gp.primary(), track, color, true);
+		secondary = primary
+		  ? loadGraph(gp.secondary(), track, color, false) : 0;
+		if (primary && secondary)
+			primary->setSecondaryGraph(secondary);
 
-			_tracks.append(gi);
-			if (_showTracks)
-				addGraph(gi);
-
-			_avg.append(QPointF(track.distance(), gi->avg()));
-			_mavg.append(QPointF(track.distance(), gi->mavg()));
-			graphs.append(gi);
-		}
+		graphs.append(primary);
 	}
 
 	for (int i = 0; i < data.routes().count(); i++) {

src/GUI/speedgraph.h

@@ -5,6 +5,7 @@
 #include "graphtab.h"
 
 class SpeedGraphItem;
+class Track;
 
 class SpeedGraph : public GraphTab
 {
@@ -22,6 +23,8 @@ public:
 	void showTracks(bool show);
 
 private:
+	GraphItem *loadGraph(const Graph &graph, const Track &track,
+	  const QColor &color, bool primary);
 	qreal avg() const;
 	qreal max() const {return bounds().bottom();}
 	void setYUnits();

src/GUI/speedgraphitem.cpp

@@ -5,8 +5,8 @@
 
 
 SpeedGraphItem::SpeedGraphItem(const Graph &graph, GraphType type, int width,
-  const QColor &color, qreal movingTime, QGraphicsItem *parent)
-  : GraphItem(graph, type, width, color, parent)
+  const QColor &color, Qt::PenStyle style, qreal movingTime,
+  QGraphicsItem *parent) : GraphItem(graph, type, width, color, style, parent)
 {
 	_timeType = Total;
 

src/GUI/speedgraphitem.h

@@ -10,7 +10,8 @@ class SpeedGraphItem : public GraphItem
 
 public:
 	SpeedGraphItem(const Graph &graph, GraphType type, int width,
-	  const QColor &color, qreal movingTime, QGraphicsItem *parent = 0);
+	  const QColor &color, Qt::PenStyle style, qreal movingTime,
+	  QGraphicsItem *parent = 0);
 
 	qreal avg() const {return _avg;}
 	qreal mavg() const {return _mavg;}

src/GUI/temperaturegraphitem.cpp

@@ -5,7 +5,7 @@
 
 TemperatureGraphItem::TemperatureGraphItem(const Graph &graph, GraphType type,
   int width, const QColor &color, QGraphicsItem *parent)
-  : GraphItem(graph, type, width, color, parent)
+  : GraphItem(graph, type, width, color, Qt::SolidLine, parent)
 {
 	_min = GraphItem::min();
 	_max = GraphItem::max();

src/GUI/trackitem.cpp

@@ -13,6 +13,8 @@ QString TrackItem::info() const
 		tt.insert(tr("Name"), _name);
 	if (!_desc.isEmpty())
 		tt.insert(tr("Description"), _desc);
+	if (!_comment.isEmpty() && _comment != _desc)
+		tt.insert(tr("Comment"), _comment);
 	tt.insert(tr("Distance"), Format::distance(path().last().last().distance(),
 	  _units));
 	if  (_time > 0)
@@ -41,6 +43,7 @@ TrackItem::TrackItem(const Track &track, Map *map, QGraphicsItem *parent)
 {
 	_name = track.name();
 	_desc = track.description();
+	_comment = track.comment();
 	_links = track.links();
 	_date = track.date();
 	_time = track.time();

src/GUI/trackitem.h

@@ -22,6 +22,7 @@ public:
 private:
 	QString _name;
 	QString _desc;
+	QString _comment;
 	QVector<Link> _links;
 	QDateTime _date;
 	qreal _time;

src/GUI/waypointitem.cpp

@@ -21,15 +21,23 @@ QString WaypointItem::info() const
 		tt.insert(qApp->translate("WaypointItem", "Name"), _waypoint.name());
 	tt.insert(qApp->translate("WaypointItem", "Coordinates"),
 	  Format::coordinates(_waypoint.coordinates(), _format));
-	if (_waypoint.hasElevation())
-		tt.insert(qApp->translate("WaypointItem", "Elevation"),
-		  Format::elevation(_waypoint.elevation(), _units));
+	if (!std::isnan(_waypoint.elevations().first)) {
+		QString val = Format::elevation(_waypoint.elevations().first, _units);
+		if (!std::isnan(_waypoint.elevations().second))
+			val += " (" + Format::elevation(_waypoint.elevations().second,
+			  _units) + ")";
+		tt.insert(qApp->translate("WaypointItem", "Elevation"), val);
+	}
 	if (_waypoint.timestamp().isValid())
 		tt.insert(qApp->translate("WaypointItem", "Date"),
 		  _waypoint.timestamp().toString(Qt::SystemLocaleShortDate));
 	if (!_waypoint.description().isEmpty())
 		tt.insert(qApp->translate("WaypointItem", "Description"),
 		  _waypoint.description());
+	if (!_waypoint.comment().isEmpty()
+	  && _waypoint.comment() != _waypoint.description())
+		tt.insert(qApp->translate("WaypointItem", "Comment"),
+		  _waypoint.comment());
 	if (_waypoint.address().isValid()) {
 		QString addr("<address>");
 		addr += _waypoint.address().street();

src/data/data.cpp

@@ -20,7 +20,6 @@
 #include "cupparser.h"
 #include "gpiparser.h"
 #include "smlparser.h"
-#include "dem.h"
 #include "data.h"
 
 
@@ -73,49 +72,17 @@ static QMap<QString, Parser*> parsers()
 	return map;
 }
 
-
 QMap<QString, Parser*> Data::_parsers = parsers();
-bool Data::_useDEM = false;
 
 void Data::processData(QList<TrackData> &trackData, QList<RouteData> &routeData)
 {
-	for (int i = 0; i < trackData.count(); i++) {
-		TrackData &track = trackData[i];
-		for (int j = 0; j < track.size(); j++) {
-			SegmentData &segment = track[j];
-			for (int k = 0; k < segment.size(); k++) {
-				Trackpoint &t = segment[k];
-				if (!t.hasElevation() || _useDEM) {
-					qreal elevation = DEM::elevation(t.coordinates());
-					if (!std::isnan(elevation))
-						t.setElevation(elevation);
-				}
-			}
-		}
+	for (int i = 0; i < trackData.count(); i++)
 		_tracks.append(Track(trackData.at(i)));
-	}
-	for (int i = 0; i < routeData.count(); i++) {
-		RouteData &route = routeData[i];
-		for (int j = 0; j < route.size(); j++) {
-			Waypoint &w = route[j];
-			if (!w.hasElevation() || _useDEM) {
-				qreal elevation = DEM::elevation(w.coordinates());
-				if (!std::isnan(elevation))
-					w.setElevation(elevation);
-			}
-		}
+	for (int i = 0; i < routeData.count(); i++)
 		_routes.append(Route(routeData.at(i)));
-	}
-	for (int i = 0; i < _waypoints.size(); i++) {
-		if (!_waypoints.at(i).hasElevation() || _useDEM) {
-			qreal elevation = DEM::elevation(_waypoints.at(i).coordinates());
-			if (!std::isnan(elevation))
-				_waypoints[i].setElevation(elevation);
-		}
-	}
 }
 
-Data::Data(const QString &fileName, bool poi)
+Data::Data(const QString &fileName)
 {
 	QFile file(fileName);
 	QFileInfo fi(fileName);
@@ -134,8 +101,7 @@ Data::Data(const QString &fileName, bool poi)
 	if ((it = _parsers.find(fi.suffix().toLower())) != _parsers.end()) {
 		if (it.value()->parse(&file, trackData, routeData, _polygons,
 		  _waypoints)) {
-			if (!poi)
-				processData(trackData, routeData);
+			processData(trackData, routeData);
 			_valid = true;
 			return;
 		} else {
@@ -146,8 +112,7 @@ Data::Data(const QString &fileName, bool poi)
 		for (it = _parsers.begin(); it != _parsers.end(); it++) {
 			if (it.value()->parse(&file, trackData, routeData, _polygons,
 			  _waypoints)) {
-				if (!poi)
-					processData(trackData, routeData);
+				processData(trackData, routeData);
 				_valid = true;
 				return;
 			}
@@ -198,8 +163,3 @@ QStringList Data::filter()
 
 	return filter;
 }
-
-void Data::useDEM(bool use)
-{
-	_useDEM = use;
-}

src/data/data.h

@@ -14,7 +14,7 @@
 class Data
 {
 public:
-	Data(const QString &fileName, bool poi = false);
+	Data(const QString &fileName);
 
 	bool isValid() const {return _valid;}
 	const QString &errorString() const {return _errorString;}
@@ -28,8 +28,6 @@ public:
 	static QString formats();
 	static QStringList filter();
 
-	static void useDEM(bool use);
-
 private:
 	void processData(QList<TrackData> &trackData, QList<RouteData> &routeData);
 
@@ -43,7 +41,6 @@ private:
 	QVector<Waypoint> _waypoints;
 
 	static QMap<QString, Parser*> _parsers;
-	static bool _useDEM;
 };
 
 #endif // DATA_H

src/data/gpiparser.cpp

@@ -282,14 +282,14 @@ static quint32 readNotes(QDataStream &stream, QTextCodec *codec,
 	if (s1 & 0x1) {
 		QList<TranslatedString> obj;
 		ds += readTranslatedObjects(stream, codec, obj);
-		if (!obj.isEmpty() && waypoint.description().isNull())
-			waypoint.setDescription(obj.first().str());
+		if (!obj.isEmpty())
+			waypoint.setComment(obj.first().str());
 	}
 	if (s1 & 0x2) {
 		QString str;
 		ds += readString(stream, codec, str);
-		if (!str.isEmpty() && waypoint.description().isNull())
-			waypoint.setDescription(str);
+		if (!str.isEmpty())
+			waypoint.setComment(str);
 	}
 
 	if (ds != rh.size)

src/data/gpxparser.cpp

@@ -192,6 +192,8 @@ void GPXParser::waypointData(Waypoint &waypoint, SegmentData *autoRoute)
 			waypoint.setName(_reader.readElementText());
 		else if (_reader.name() == QLatin1String("desc"))
 			waypoint.setDescription(_reader.readElementText());
+		else if (_reader.name() == QLatin1String("cmt"))
+			waypoint.setComment(_reader.readElementText());
 		else if (_reader.name() == QLatin1String("ele"))
 			waypoint.setElevation(number());
 		else if (_reader.name() == QLatin1String("geoidheight"))
@@ -244,6 +246,8 @@ void GPXParser::routepoints(RouteData &route, QList<TrackData> &tracks)
 			route.setName(_reader.readElementText());
 		else if (_reader.name() == QLatin1String("desc"))
 			route.setDescription(_reader.readElementText());
+		else if (_reader.name() == QLatin1String("cmt"))
+			route.setComment(_reader.readElementText());
 		else if (_reader.name() == QLatin1String("link")) {
 			Link l(link());
 			if (!l.URL().isEmpty())
@@ -278,6 +282,8 @@ void GPXParser::track(TrackData &track)
 			track.setName(_reader.readElementText());
 		else if (_reader.name() == QLatin1String("desc"))
 			track.setDescription(_reader.readElementText());
+		else if (_reader.name() == QLatin1String("cmt"))
+			track.setComment(_reader.readElementText());
 		else if (_reader.name() == QLatin1String("link")) {
 			Link l(link());
 			if (!l.URL().isEmpty())

src/data/graph.h

@@ -67,4 +67,17 @@ public:
 	}
 };
 
+class GraphPair
+{
+public:
+	GraphPair(const Graph &primary, const Graph &secondary)
+	  : _primary(primary), _secondary(secondary) {}
+
+	const Graph &primary() const {return _primary;}
+	const Graph &secondary() const {return _secondary;}
+
+private:
+	Graph _primary, _secondary;
+};
+
 #endif // GRAPH_H

src/data/igcparser.cpp

@@ -87,10 +87,12 @@ static bool readTimestamp(const char *data, QTime &time)
 
 static bool readARecord(const char *line, qint64 len)
 {
-	if (len < 7 || line[0] != 'A')
+	/* The minimal A record length should be 7 according to the specification,
+	   but records with length of 6 exist in the wild */
+	if (len < 6 || line[0] != 'A')
 		return false;
 
-	for (int i = 1; i < 7; i++)
+	for (int i = 1; i < 6; i++)
 		if (!::isprint(line[i]))
 			return false;
 	return true;

src/data/poi.cpp

@@ -14,28 +14,19 @@ POI::POI(QObject *parent) : QObject(parent)
 {
 	_errorLine = 0;
 	_radius = 1000;
-	_useDEM = false;
 }
 
-bool POI::loadFile(const QString &path, bool dir)
+bool POI::loadFile(const QString &path)
 {
-	Data data(path, true);
+	Data data(path);
 	FileIndex index;
 
 	index.enabled = true;
 	index.start = _data.size();
 
 	if (!data.isValid()) {
-		if (dir) {
-			if (data.errorLine())
-				_errorString += QString("%1:%2: %3\n").arg(path)
-				  .arg(data.errorLine()).arg(data.errorString());
-			else
-				_errorString += path + ": " + data.errorString() + "\n";
-		} else {
-			_errorString = data.errorString();
-			_errorLine = data.errorLine();
-		}
+		_errorString = data.errorString();
+		_errorLine = data.errorLine();
 		return false;
 	}
 
@@ -59,37 +50,22 @@ bool POI::loadFile(const QString &path, bool dir)
 	return true;
 }
 
-bool POI::loadFile(const QString &path)
-{
-	_errorString.clear();
-	_errorLine = 0;
-
-	return loadFile(path, false);
-}
-
-bool POI::loadDir(const QString &path)
+void POI::loadDir(const QString &path)
 {
 	QDir md(path);
 	md.setFilter(QDir::Files | QDir::Dirs | QDir::NoDotAndDotDot);
 	QFileInfoList fl = md.entryInfoList();
-	bool ret = true;
-
-	_errorString.clear();
-	_errorLine = 0;
 
 	for (int i = 0; i < fl.size(); i++) {
 		const QFileInfo &fi = fl.at(i);
 
-		if (fi.isDir()) {
-			if (!loadDir(fi.absoluteFilePath()))
-				ret = false;
-		} else {
-			if (!loadFile(fi.absoluteFilePath(), true))
-				ret = false;
-		}
+		if (fi.isDir())
+			loadDir(fi.absoluteFilePath());
+		else
+			if (!loadFile(fi.absoluteFilePath()))
+				qWarning("%s: %s", qPrintable(fi.absoluteFilePath()),
+				  qPrintable(_errorString));
 	}
-
-	return ret;
 }
 
 static bool cb(size_t data, void* context)
@@ -112,17 +88,6 @@ void POI::search(const RectC &rect, QSet<int> &set) const
 	_tree.Search(min, max, cb, &set);
 }
 
-void POI::appendElevation(QList<Waypoint> &points) const
-{
-	for (int i = 0; i < points.size(); i++) {
-		if (!points.at(i).hasElevation() || _useDEM) {
-			qreal elevation = DEM::elevation(points.at(i).coordinates());
-			if (!std::isnan(elevation))
-				points[i].setElevation(elevation);
-		}
-	}
-}
-
 QList<Waypoint> POI::points(const Path &path) const
 {
 	QList<Waypoint> ret;
@@ -158,8 +123,6 @@ QList<Waypoint> POI::points(const Path &path) const
 	for (it = set.constBegin(); it != set.constEnd(); ++it)
 		ret.append(_data.at(*it));
 
-	appendElevation(ret);
-
 	return ret;
 }
 
@@ -181,8 +144,6 @@ QList<Waypoint> POI::points(const Waypoint &point) const
 	for (it = set.constBegin(); it != set.constEnd(); ++it)
 		ret.append(_data.at(*it));
 
-	appendElevation(ret);
-
 	return ret;
 }
 
@@ -206,8 +167,6 @@ QList<Waypoint> POI::points(const Area &area) const
 	for (it = set.constBegin(); it != set.constEnd(); ++it)
 		ret.append(_data.at(*it));
 
-	appendElevation(ret);
-
 	return ret;
 }
 
@@ -253,10 +212,3 @@ void POI::setRadius(unsigned radius)
 
 	emit pointsChanged();
 }
-
-void POI::useDEM(bool use)
-{
-	_useDEM = use;
-
-	emit pointsChanged();
-}

src/data/poi.h

@@ -20,13 +20,12 @@ public:
 	POI(QObject *parent = 0);
 
 	bool loadFile(const QString &path);
-	bool loadDir(const QString &path);
+	void loadDir(const QString &path);
 	const QString &errorString() const {return _errorString;}
 	int errorLine() const {return _errorLine;}
 
 	unsigned radius() const {return _radius;}
 	void setRadius(unsigned radius);
-	void useDEM(bool use);
 
 	QList<Waypoint> points(const Path &path) const;
 	QList<Waypoint> points(const Waypoint &point) const;
@@ -49,7 +48,6 @@ private:
 
 	bool loadFile(const QString &path, bool dir);
 	void search(const RectC &rect, QSet<int> &set) const;
-	void appendElevation(QList<Waypoint> &points) const;
 
 	POITree _tree;
 	QVector<Waypoint> _data;
@@ -57,7 +55,6 @@ private:
 	QList<FileIndex> _indexes;
 
 	unsigned _radius;
-	bool _useDEM;
 
 	QString _errorString;
 	int _errorLine;

src/data/route.cpp

@@ -1,5 +1,8 @@
+#include "dem.h"
 #include "route.h"
 
+bool Route::_useDEM = false;
+bool Route::_show2ndElevation = false;
 
 Route::Route(const RouteData &data) : _data(data)
 {
@@ -25,7 +28,7 @@ Path Route::path() const
 	return ret;
 }
 
-Graph Route::elevation() const
+Graph Route::gpsElevation() const
 {
 	Graph graph;
 	graph.append(GraphSegment());
@@ -38,6 +41,38 @@ Graph Route::elevation() const
 	return graph;
 }
 
+Graph Route::demElevation() const
+{
+	Graph graph;
+	graph.append(GraphSegment());
+	GraphSegment &gs = graph.last();
+
+	for (int i = 0; i < _data.size(); i++) {
+		qreal dem = DEM::elevation(_data.at(i).coordinates());
+		if (!std::isnan(dem))
+			gs.append(GraphPoint(_distance.at(i), NAN, dem));
+	}
+
+	return graph;
+}
+
+GraphPair Route::elevation() const
+{
+	if (_useDEM) {
+		Graph dem(demElevation());
+		if (dem.isValid())
+			return GraphPair(dem, _show2ndElevation ? gpsElevation() : Graph());
+		else
+			return GraphPair(gpsElevation(), Graph());
+	} else {
+		Graph gps(gpsElevation());
+		if (gps.isValid())
+			return GraphPair(gps, _show2ndElevation ? demElevation() : Graph());
+		else
+			return GraphPair(demElevation(), Graph());
+	}
+}
+
 qreal Route::distance() const
 {
 	return (_distance.isEmpty()) ? 0 : _distance.last();

src/data/route.h

@@ -11,23 +11,31 @@ class Route
 public:
 	Route(const RouteData &data);
 
-	Path path() const;
-
 	const RouteData &data() const {return _data;}
-
-	Graph elevation() const;
-
+	Path path() const;
+	GraphPair elevation() const;
 	qreal distance() const;
 
 	const QString &name() const {return _data.name();}
 	const QString &description() const {return _data.description();}
+	const QString &comment() const {return _data.comment();}
 	const QVector<Link> &links() const {return _data.links();}
 
 	bool isValid() const {return _data.size() >= 2;}
 
+	static void useDEM(bool use) {_useDEM = use;}
+	static void showSecondaryElevation(bool show)
+	  {_show2ndElevation = show;}
+
 private:
+	Graph gpsElevation() const;
+	Graph demElevation() const;
+
 	RouteData _data;
 	QVector<qreal> _distance;
+
+	static bool _useDEM;
+	static bool _show2ndElevation;
 };
 
 #endif // ROUTE_H

src/data/routedata.h

@@ -11,15 +11,18 @@ class RouteData : public QVector<Waypoint>
 public:
 	const QString &name() const {return _name;}
 	const QString &description() const {return _desc;}
+	const QString &comment() const {return _comment;}
 	const QVector<Link> &links() const {return _links;}
 
 	void setName(const QString &name) {_name = name;}
 	void setDescription(const QString &desc) {_desc = desc;}
+	void setComment(const QString &comment) {_comment = comment;}
 	void addLink(const Link &link) {_links.append(link);}
 
 private:
 	QString _name;
 	QString _desc;
+	QString _comment;
 	QVector<Link> _links;
 };
 

src/data/track.cpp

@@ -1,3 +1,4 @@
+#include "dem.h"
 #include "track.h"
 
 
@@ -13,6 +14,9 @@ int Track::_pauseInterval = 10;
 
 bool Track::_outlierEliminate = true;
 bool Track::_useReportedSpeed = false;
+bool Track::_useDEM = false;
+bool Track::_show2ndElevation = false;
+bool Track::_show2ndSpeed = false;
 
 
 static qreal avg(const QVector<qreal> &v)
@@ -47,7 +51,7 @@ static QSet<int> eliminate(const QVector<qreal> &v)
 	qreal M = MAD(w, m);
 
 	for (int i = 0; i < v.size(); i++)
-		if (qAbs((0.6745 * (v.at(i) - m)) / M) > 5)
+		if (qAbs((0.6745 * (v.at(i) - m)) / M) > 3.5)
 			rm.insert(i);
 
 	return rm;
@@ -213,7 +217,7 @@ Track::Track(const TrackData &data) : _data(data), _pause(0)
 	}
 }
 
-Graph Track::elevation() const
+Graph Track::gpsElevation() const
 {
 	Graph ret;
 
@@ -237,7 +241,48 @@ Graph Track::elevation() const
 	return ret;
 }
 
-Graph Track::speed() const
+Graph Track::demElevation() const
+{
+	Graph ret;
+
+	for (int i = 0; i < _data.size(); i++) {
+		const SegmentData &sd = _data.at(i);
+		if (sd.size() < 2)
+			continue;
+		const Segment &seg = _segments.at(i);
+		GraphSegment gs;
+
+		for (int j = 0; j < sd.size(); j++) {
+			qreal dem = DEM::elevation(sd.at(j).coordinates());
+			if (std::isnan(dem) || seg.outliers.contains(j))
+				continue;
+			gs.append(GraphPoint(seg.distance.at(j), seg.time.at(j), dem));
+		}
+
+		ret.append(filter(gs, _elevationWindow));
+	}
+
+	return ret;
+}
+
+GraphPair Track::elevation() const
+{
+	if (_useDEM) {
+		Graph dem(demElevation());
+		if (dem.isValid())
+			return GraphPair(dem, _show2ndElevation ? gpsElevation() : Graph());
+		else
+			return GraphPair(gpsElevation(), Graph());
+	} else {
+		Graph gps(gpsElevation());
+		if (gps.isValid())
+			return GraphPair(gps, _show2ndElevation ? demElevation() : Graph());
+		else
+			return GraphPair(demElevation(), Graph());
+	}
+}
+
+Graph Track::computedSpeed() const
 {
 	Graph ret;
 
@@ -251,14 +296,10 @@ Graph Track::speed() const
 		qreal v;
 
 		for (int j = 0; j < sd.size(); j++) {
-			if (seg.stop.contains(j) && (!std::isnan(seg.speed.at(j))
-			  || sd.at(j).hasSpeed())) {
+			if (seg.stop.contains(j) && !std::isnan(seg.speed.at(j))) {
 				v = 0;
 				stop.append(gs.size());
-			} else if (_useReportedSpeed && sd.at(j).hasSpeed()
-			  && !seg.outliers.contains(j))
-				v = sd.at(j).speed();
-			else if (!std::isnan(seg.speed.at(j)) && !seg.outliers.contains(j))
+			} else if (!std::isnan(seg.speed.at(j)) && !seg.outliers.contains(j))
 				v = seg.speed.at(j);
 			else
 				continue;
@@ -276,6 +317,60 @@ Graph Track::speed() const
 	return ret;
 }
 
+Graph Track::reportedSpeed() const
+{
+	Graph ret;
+
+	for (int i = 0; i < _data.size(); i++) {
+		const SegmentData &sd = _data.at(i);
+		if (sd.size() < 2)
+			continue;
+		const Segment &seg = _segments.at(i);
+		GraphSegment gs;
+		QList<int> stop;
+		qreal v;
+
+		for (int j = 0; j < sd.size(); j++) {
+			if (seg.stop.contains(j) && sd.at(j).hasSpeed()) {
+				v = 0;
+				stop.append(gs.size());
+			} else if (sd.at(j).hasSpeed() && !seg.outliers.contains(j))
+				v = sd.at(j).speed();
+			else
+				continue;
+
+			gs.append(GraphPoint(seg.distance.at(j), seg.time.at(j), v));
+		}
+
+		ret.append(filter(gs, _speedWindow));
+		GraphSegment &filtered = ret.last();
+
+		for (int j = 0; j < stop.size(); j++)
+			filtered[stop.at(j)].setY(0);
+	}
+
+	return ret;
+}
+
+GraphPair Track::speed() const
+{
+	if (_useReportedSpeed) {
+		Graph reported(reportedSpeed());
+		if (reported.isValid())
+			return GraphPair(reported, _show2ndSpeed ? computedSpeed()
+			  : Graph());
+		else
+			return GraphPair(computedSpeed(), Graph());
+	} else {
+		Graph computed(computedSpeed());
+		if (computed.isValid())
+			return GraphPair(computed, _show2ndSpeed ? reportedSpeed()
+			  : Graph());
+		else
+			return GraphPair(reportedSpeed(), Graph());
+	}
+}
+
 Graph Track::heartRate() const
 {
 	Graph ret;

src/data/track.h

@@ -17,8 +17,8 @@ public:
 
 	Path path() const;
 
-	Graph elevation() const;
-	Graph speed() const;
+	GraphPair elevation() const;
+	GraphPair speed() const;
 	Graph heartRate() const;
 	Graph temperature() const;
 	Graph cadence() const;
@@ -32,6 +32,7 @@ public:
 
 	const QString &name() const {return _data.name();}
 	const QString &description() const {return _data.description();}
+	const QString &comment() const {return _data.comment();}
 	const QVector<Link> &links() const {return _data.links();}
 
 	bool isValid() const;
@@ -47,6 +48,11 @@ public:
 	static void setOutlierElimination(bool eliminate)
 	  {_outlierEliminate = eliminate;}
 	static void useReportedSpeed(bool use) {_useReportedSpeed = use;}
+	static void useDEM(bool use) {_useDEM = use;}
+	static void showSecondaryElevation(bool show)
+	  {_show2ndElevation = show;}
+	static void showSecondarySpeed(bool show)
+	  {_show2ndSpeed = show;}
 
 private:
 	struct Segment {
@@ -59,6 +65,11 @@ private:
 
 	bool discardStopPoint(const Segment &seg, int i) const;
 
+	Graph demElevation() const;
+	Graph gpsElevation() const;
+	Graph reportedSpeed() const;
+	Graph computedSpeed() const;
+
 	TrackData _data;
 	QList<Segment> _segments;
 	qreal _pause;
@@ -73,6 +84,9 @@ private:
 	static qreal _pauseSpeed;
 	static int _pauseInterval;
 	static bool _useReportedSpeed;
+	static bool _useDEM;
+	static bool _show2ndElevation;
+	static bool _show2ndSpeed;
 };
 
 #endif // TRACK_H

src/data/trackdata.h

@@ -14,15 +14,18 @@ class TrackData : public QList<SegmentData>
 public:
 	const QString &name() const {return _name;}
 	const QString &description() const {return _desc;}
+	const QString &comment() const {return _comment;}
 	const QVector<Link> &links() const {return _links;}
 
 	void setName(const QString &name) {_name = name;}
 	void setDescription(const QString &desc) {_desc = desc;}
+	void setComment(const QString &comment) {_comment = comment;}
 	void addLink(const Link &link) {_links.append(link);}
 
 private:
 	QString _name;
 	QString _desc;
+	QString _comment;
 	QVector<Link> _links;
 };
 

src/data/waypoint.cpp

@@ -0,0 +1,23 @@
+#include "dem.h"
+#include "waypoint.h"
+
+bool Waypoint::_useDEM = false;
+bool Waypoint::_show2ndElevation = false;
+
+QPair<qreal, qreal> Waypoint::elevations() const
+{
+	if (_useDEM) {
+		qreal dem = DEM::elevation(coordinates());
+		if (!std::isnan(dem))
+			return QPair<qreal, qreal>(dem, _show2ndElevation ? elevation()
+			  : NAN);
+		else
+			return QPair<qreal, qreal>(elevation(), NAN);
+	} else {
+		if (hasElevation())
+			return QPair<qreal, qreal>(elevation(), _show2ndElevation
+			  ? DEM::elevation(coordinates()) : NAN);
+		else
+			return QPair<qreal, qreal>(DEM::elevation(coordinates()), NAN);
+	}
+}

src/data/waypoint.h

@@ -14,24 +14,28 @@
 class Waypoint
 {
 public:
-	Waypoint() {_elevation = NAN;}
-	Waypoint(const Coordinates &coordinates) : _coordinates(coordinates)
-	  {_elevation = NAN;}
+	Waypoint() : _elevation(NAN) {}
+	Waypoint(const Coordinates &coordinates)
+	  : _coordinates(coordinates), _elevation(NAN) {}
 
 	const Coordinates &coordinates() const {return _coordinates;}
 	const QString &name() const {return _name;}
 	const QString &description() const {return _description;}
+	const QString &comment() const {return _comment;}
 	const Address &address() const {return _address;}
 	const QVector<ImageInfo> &images() const {return _images;}
 	const QVector<Link> &links() const {return _links;}
 	const QDateTime &timestamp() const {return _timestamp;}
 	qreal elevation() const {return _elevation;}
 
+	QPair<qreal, qreal> elevations() const;
+
 	void setCoordinates(const Coordinates &coordinates)
 	  {_coordinates = coordinates;}
 	void setName(const QString &name) {_name = name;}
 	void setDescription(const QString &description)
 	  {_description = description;}
+	void setComment(const QString &comment) {_comment = comment;}
 	void setAddress(const Address &address) {_address = address;}
 	void setTimestamp(const QDateTime &timestamp) {_timestamp = timestamp;}
 	void setElevation(qreal elevation) {_elevation = elevation;}
@@ -44,15 +48,23 @@ public:
 	  {return this->_name == other._name
 	  && this->_coordinates == other._coordinates;}
 
+	static void useDEM(bool use) {_useDEM = use;}
+	static void showSecondaryElevation(bool show)
+	  {_show2ndElevation = show;}
+
 private:
 	Coordinates _coordinates;
 	QString _name;
 	QString _description;
+	QString _comment;
 	Address _address;
 	QVector<ImageInfo> _images;
 	QVector<Link> _links;
 	QDateTime _timestamp;
 	qreal _elevation;
+
+	static bool _useDEM;
+	static bool _show2ndElevation;
 };
 
 inline uint qHash(const Waypoint &key)
@@ -64,11 +76,9 @@ inline uint qHash(const Waypoint &key)
 inline QDebug operator<<(QDebug dbg, const Waypoint &waypoint)
 {
 	dbg.nospace() << "Waypoint(" << waypoint.coordinates() << ", "
-	  << waypoint.name() << ", " << waypoint.description() << ")";
+	  << waypoint.name() << ")";
 	return dbg.space();
 }
 #endif // QT_NO_DEBUG
 
-Q_DECLARE_TYPEINFO(Waypoint, Q_MOVABLE_TYPE);
-
 #endif // WAYPOINT_H

src/map/IMG/rgnfile.cpp

@@ -425,7 +425,7 @@ QMap<RGNFile::SegmentType, SubDiv::Segment> RGNFile::segments(Handle &hdl,
 	quint32 ls = 0;
 	SegmentType lt = (SegmentType)0;
 
-	for (quint16 mask = 0x1; mask <= 0x10; mask <<= 1) {
+	for (quint8 mask = 0x1; mask <= 0x10; mask <<= 1) {
 		if (subdiv->objects() & mask) {
 			if (ls) {
 				quint16 po;

src/map/imgmap.cpp

@@ -260,13 +260,6 @@ void IMGMap::unload()
 	_data->clear();
 }
 
-QRectF IMGMap::bounds()
-{
-	RectD prect(_data->bounds(), _projection);
-	return QRectF(_transform.proj2img(prect.topLeft()),
-	  _transform.proj2img(prect.bottomRight()));
-}
-
 int IMGMap::zoomFit(const QSize &size, const RectC &rect)
 {
 	if (rect.isValid()) {
@@ -320,6 +313,10 @@ Transform IMGMap::transform(int zoom) const
 void IMGMap::updateTransform()
 {
 	_transform = transform(_zoom);
+
+	RectD prect(_data->bounds(), _projection);
+	_bounds = QRectF(_transform.proj2img(prect.topLeft()),
+	  _transform.proj2img(prect.bottomRight()));
 }
 
 QPointF IMGMap::ll2xy(const Coordinates &c)

src/map/imgmap.h

@@ -18,7 +18,7 @@ public:
 
 	QString name() const {return _data->name();}
 
-	QRectF bounds();
+	QRectF bounds() {return _bounds;}
 
 	virtual int zoom() const {return _zoom;}
 	virtual void setZoom(int zoom);
@@ -62,6 +62,7 @@ private:
 	int _zoom;
 	Projection _projection;
 	Transform _transform;
+	QRectF _bounds;
 
 	bool _valid;
 	QString _errorString;

src/map/map.h

@@ -50,12 +50,15 @@ public:
 	virtual void setProjection(const Projection &) {}
 
 	virtual bool isValid() const {return true;}
+	virtual bool isReady() const {return true;}
 	virtual QString errorString() const {return QString();}
 
 signals:
-	void loaded();
+	void tilesLoaded();
+	void mapLoaded();
 };
 
+Q_DECLARE_METATYPE(Map*)
 Q_DECLARE_OPERATORS_FOR_FLAGS(Map::Flags)
 
 #endif // MAP_H

src/map/maplist.cpp

@@ -1,5 +1,6 @@
 #include <QFileInfo>
 #include <QDir>
+#include <QApplication>
 #include "atlas.h"
 #include "ozimap.h"
 #include "jnxmap.h"
@@ -12,31 +13,8 @@
 #include "maplist.h"
 
 
-bool MapList::loadMap(Map *map, const QString &path)
-{
-	if (map && map->isValid()) {
-		_maps.append(map);
-		return true;
-	} else {
-		_errorPath = path;
-		_errorString = (map) ? map->errorString() : "Unknown file format";
-		return false;
-	}
-}
-
-Map *MapList::loadSource(const QString &path)
-{
-	Map *map = MapSource::loadMap(path, _errorString);
-
-	if (!map)
-		_errorPath = path;
-	else
-		map->setParent(this);
-
-	return map;
-}
-
-bool MapList::loadFile(const QString &path, bool *terminate)
+Map *MapList::loadFile(const QString &path, QString &errorString,
+  bool *terminate)
 {
 	QFileInfo fi(path);
 	QString suffix = fi.suffix().toLower();
@@ -45,75 +23,95 @@ bool MapList::loadFile(const QString &path, bool *terminate)
 	if (Atlas::isAtlas(path)) {
 		if (terminate)
 			*terminate = true;
-		map = new Atlas(path, this);
+		map = new Atlas(path);
 	} else if (suffix == "xml") {
-		if (MapSource::isMap(path) && !(map = loadSource(path)))
-			return false;
-		else if (GMAP::isGMAP(path)) {
+		if (MapSource::isMap(path)) {
+			if (!(map = MapSource::loadMap(path, errorString)))
+				return 0;
+		} else if (GMAP::isGMAP(path)) {
 			if (terminate)
 				*terminate = true;
 			map = new IMGMap(path);
 		}
 	} else if (suffix == "jnx")
-		map = new JNXMap(path, this);
+		map = new JNXMap(path);
 	else if (suffix == "tif" || suffix == "tiff")
-		map = new GeoTIFFMap(path, this);
+		map = new GeoTIFFMap(path);
 	else if (suffix == "mbtiles")
-		map = new MBTilesMap(path, this);
+		map = new MBTilesMap(path);
 	else if (suffix == "rmap" || suffix == "rtmap")
-		map = new RMap(path, this);
+		map = new RMap(path);
 	else if (suffix == "img")
-		map = new IMGMap(path, this);
+		map = new IMGMap(path);
 	else if (suffix == "map" || suffix == "tar")
-		map = new OziMap(path, this);
+		map = new OziMap(path);
 
-	if (!loadMap(map, path)) {
+	if (map && map->isValid())
+		return map;
+	else {
+		errorString = (map) ? map->errorString() : "Unknown file format";
 		delete map;
-		return false;
+		return 0;
 	}
-
-	return true;
 }
 
-bool MapList::loadDir(const QString &path)
+QList<Map*> MapList::loadDir(const QString &path, QString &errorString)
 {
 	QDir md(path);
 	md.setFilter(QDir::Files | QDir::Dirs | QDir::NoDotAndDotDot);
 	md.setSorting(QDir::DirsLast);
 	QFileInfoList ml = md.entryInfoList();
-	bool ret = true;
+	QList<Map*> list;
 
 	for (int i = 0; i < ml.size(); i++) {
 		const QFileInfo &fi = ml.at(i);
 		QString suffix = fi.suffix().toLower();
 		bool terminate = false;
 
-		if (fi.isDir() && fi.fileName() != "set") {
-			if (!loadDir(fi.absoluteFilePath()))
-				ret = false;
-		} else if (filter().contains("*." + suffix)) {
-			if (!loadFile(fi.absoluteFilePath(), &terminate))
-				ret = false;
+		if (fi.isDir() && fi.fileName() != "set")
+			list.append(loadDir(fi.absoluteFilePath(), errorString));
+		else if (filter().contains("*." + suffix)) {
+			Map *map = loadFile(fi.absoluteFilePath(), errorString, &terminate);
+			if (map)
+				list.append(map);
+			else
+				qWarning("%s: %s", qPrintable(fi.absoluteFilePath()),
+				  qPrintable(errorString));
 			if (terminate)
 				break;
 		}
 	}
 
-	return ret;
+	return list;
+}
+
+QList<Map*> MapList::loadMaps(const QString &path, QString &errorString)
+{
+	if (QFileInfo(path).isDir())
+		return loadDir(path, errorString);
+	else {
+		QList<Map*> list;
+		Map *map = loadFile(path, errorString, 0);
+		if (map)
+			list.append(map);
+		return list;
+	}
 }
 
 QString MapList::formats()
 {
 	return
-	  tr("Supported files") + " (" + filter().join(" ") + ");;"
-	  + tr("Garmin IMG maps") + " (*.gmap *.gmapi *.img *.xml);;"
-	  + tr("Garmin JNX maps") + " (*.jnx);;"
-	  + tr("OziExplorer maps") + " (*.map);;"
-	  + tr("MBTiles maps") + " (*.mbtiles);;"
-	  + tr("TrekBuddy maps/atlases") + " (*.tar *.tba);;"
-	  + tr("GeoTIFF images") + " (*.tif *.tiff);;"
-	  + tr("TwoNav maps") + " (*.rmap *.rtmap);;"
-	  + tr("Online map sources") + " (*.xml)";
+	  qApp->translate("MapList", "Supported files")
+		+ " (" + filter().join(" ") + ");;"
+	  + qApp->translate("MapList", "Garmin IMG maps")
+		+ " (*.gmap *.gmapi *.img *.xml);;"
+	  + qApp->translate("MapList", "Garmin JNX maps") + " (*.jnx);;"
+	  + qApp->translate("MapList", "OziExplorer maps") + " (*.map);;"
+	  + qApp->translate("MapList", "MBTiles maps") + " (*.mbtiles);;"
+	  + qApp->translate("MapList", "TrekBuddy maps/atlases") + " (*.tar *.tba);;"
+	  + qApp->translate("MapList", "GeoTIFF images") + " (*.tif *.tiff);;"
+	  + qApp->translate("MapList", "TwoNav maps") + " (*.rmap *.rtmap);;"
+	  + qApp->translate("MapList", "Online map sources") + " (*.xml)";
 }
 
 QStringList MapList::filter()

src/map/maplist.h

@@ -1,36 +1,21 @@
 #ifndef MAPLIST_H
 #define MAPLIST_H
 
-#include <QObject>
 #include <QString>
 
 class Map;
 
-class MapList : public QObject
+class MapList
 {
-	Q_OBJECT
-
 public:
-	MapList(QObject *parent = 0) : QObject(parent) {}
-
-	bool loadFile(const QString &path, bool *terminate = 0);
-	bool loadDir(const QString &path);
-
-	const QList<Map*> &maps() const {return _maps;}
-
-	const QString &errorString() const {return _errorString;}
-	const QString &errorPath() const {return _errorPath;}
-
+	static QList<Map*> loadMaps(const QString &path, QString &errorString);
 	static QString formats();
 	static QStringList filter();
 
 private:
-	Map *loadSource(const QString &path);
-	bool loadMap(Map *map, const QString &path);
-
-	QList<Map*> _maps;
-	QString _errorString;
-	QString _errorPath;
+	static Map *loadFile(const QString &path, QString &errorString,
+	  bool *terminate);
+	static QList<Map*> loadDir(const QString &path, QString &errorString);
 };
 
 #endif // MAPLIST_H

src/map/mapsource.cpp

@@ -300,7 +300,7 @@ Map *MapSource::loadMap(const QString &path, QString &errorString)
 		case WMS:
 			return new WMSMap(config.name, WMS::Setup(config.url, config.layer,
 			  config.style, config.format, config.crs, config.coordinateSystem,
-			  config.dimensions, config.authorization));
+			  config.dimensions, config.authorization), config.tileSize);
 		case TMS:
 			return new OnlineMap(config.name, config.url, config.zooms,
 			  config.bounds, config.tileRatio, config.authorization,

src/map/onlinemap.cpp

@@ -21,7 +21,7 @@ OnlineMap::OnlineMap(const QString &name, const QString &url,
 	_tileLoader->setUrl(url);
 	_tileLoader->setAuthorization(authorization);
 	_tileLoader->setQuadTiles(quadTiles);
-	connect(_tileLoader, SIGNAL(finished()), this, SIGNAL(loaded()));
+	connect(_tileLoader, SIGNAL(finished()), this, SIGNAL(tilesLoaded()));
 }
 
 QRectF OnlineMap::bounds()

src/map/tileloader.cpp

@@ -169,6 +169,17 @@ void TileLoader::clearCache()
 		dir.remove(list.at(i));
 
 	_downloader->clearErrors();
+
+	QPixmapCache::clear();
+}
+
+void TileLoader::setScaledSize(int size)
+{
+	if (_scaledSize == size)
+		return;
+
+	_scaledSize = size;
+	QPixmapCache::clear();
 }
 
 QUrl TileLoader::tileUrl(const Tile &tile) const

src/map/tileloader.h

@@ -16,7 +16,7 @@ public:
 	void setUrl(const QString &url) {_url = url;}
 	void setAuthorization(const Authorization &authorization)
 	  {_authorization = authorization;}
-	void setScaledSize(int size) {_scaledSize = size;}
+	void setScaledSize(int size);
 	void setQuadTiles(bool quadTiles) {_quadTiles = quadTiles;}
 
 	void loadTilesAsync(QVector<Tile> &list);

src/map/wms.cpp

@@ -1,3 +1,4 @@
+#include <cmath>
 #include <QFileInfo>
 #include <QEventLoop>
 #include <QXmlStreamReader>
@@ -7,6 +8,19 @@
 #include "wms.h"
 
 
+static QString bareFormat(const QString &format)
+{
+	return format.left(format.indexOf(';')).trimmed();
+}
+
+static inline double hint2denominator(double h)
+{
+	/* Some WMS 1.1.1 servers use a 72dpi resolution by default. Using the usual
+	   90dpi (0.28mm) resolution known from later standards (WMS 1.3, WMTS) does
+	   make them return emty images in the "max" scale level. */
+	return h / (M_SQRT2 * 0.36e-3);
+}
+
 WMS::CTX::CTX(const Setup &setup) : setup(setup), formatSupported(false)
 {
 	QStringList ll = setup.layer().split(',');
@@ -24,13 +38,48 @@ WMS::CTX::CTX(const Setup &setup) : setup(setup), formatSupported(false)
 	}
 }
 
+void WMS::get(QXmlStreamReader &reader, CTX &ctx)
+{
+	while (reader.readNextStartElement()) {
+		if (reader.name() == "OnlineResource") {
+			QXmlStreamAttributes attr = reader.attributes();
+			ctx.url =  attr.value("xlink:href").toString();
+			reader.skipCurrentElement();
+		} else
+			reader.skipCurrentElement();
+	}
+}
+
+void WMS::http(QXmlStreamReader &reader, CTX &ctx)
+{
+	while (reader.readNextStartElement()) {
+		if (reader.name() == "Get")
+			get(reader, ctx);
+		else
+			reader.skipCurrentElement();
+	}
+}
+
+void WMS::dcpType(QXmlStreamReader &reader, CTX &ctx)
+{
+	while (reader.readNextStartElement()) {
+		if (reader.name() == "HTTP")
+			http(reader, ctx);
+		else
+			reader.skipCurrentElement();
+	}
+}
+
 void WMS::getMap(QXmlStreamReader &reader, CTX &ctx)
 {
 	while (reader.readNextStartElement()) {
 		if (reader.name() == "Format") {
-			if (reader.readElementText() == ctx.setup.format())
+			QString format(reader.readElementText());
+			if (bareFormat(format) == bareFormat(ctx.setup.format()))
 				ctx.formatSupported = true;
-		} else
+		} else if (reader.name() == "DCPType")
+			dcpType(reader, ctx);
+		else
 			reader.skipCurrentElement();
 	}
 }
@@ -97,7 +146,16 @@ void WMS::layer(QXmlStreamReader &reader, CTX &ctx,
 			CRSs.append(reader.readElementText());
 		else if (reader.name() == "Style")
 			styles.append(style(reader));
-		else if (reader.name() == "MinScaleDenominator") {
+		else if (reader.name() == "ScaleHint") {
+			QXmlStreamAttributes attr = reader.attributes();
+			double minHint = attr.value("min").toString().toDouble();
+			double maxHint = attr.value("max").toString().toDouble();
+			if (minHint > 0)
+				scaleDenominator.setMin(hint2denominator(minHint));
+			if (maxHint > 0)
+				scaleDenominator.setMax(hint2denominator(maxHint));
+			reader.skipCurrentElement();
+		} else if (reader.name() == "MinScaleDenominator") {
 			double sd = reader.readElementText().toDouble();
 			if (sd > 0)
 				scaleDenominator.setMin(sd);
@@ -160,10 +218,10 @@ void WMS::capabilities(QXmlStreamReader &reader, CTX &ctx)
 	}
 }
 
-bool WMS::parseCapabilities(const QString &path, const Setup &setup)
+bool WMS::parseCapabilities()
 {
-	QFile file(path);
-	CTX ctx(setup);
+	QFile file(_path);
+	CTX ctx(_setup);
 	QXmlStreamReader reader;
 
 
@@ -186,7 +244,7 @@ bool WMS::parseCapabilities(const QString &path, const Setup &setup)
 			reader.raiseError("Not a WMS Capabilities XML file");
 	}
 	if (reader.error()) {
-		_errorString = QString("%1:%2: %3").arg(path).arg(reader.lineNumber())
+		_errorString = QString("%1:%2: %3").arg(_path).arg(reader.lineNumber())
 		  .arg(reader.errorString());
 		return false;
 	}
@@ -232,10 +290,10 @@ bool WMS::parseCapabilities(const QString &path, const Setup &setup)
 		return false;
 	}
 
-	_boundingBox = ctx.layers.first().boundingBox;
+	_bbox = ctx.layers.first().boundingBox;
 	for (int i = 1; i < ctx.layers.size(); i++)
-		_boundingBox &= ctx.layers.at(i).boundingBox;
-	if (_boundingBox.isNull()) {
+		_bbox &= ctx.layers.at(i).boundingBox;
+	if (_bbox.isNull()) {
 		_errorString = "Empty layers bounding box join";
 		return false;
 	}
@@ -248,40 +306,57 @@ bool WMS::parseCapabilities(const QString &path, const Setup &setup)
 		return false;
 	}
 
+	if (_version >= "1.3.0") {
+		if (_setup.coordinateSystem().axisOrder() == CoordinateSystem::Unknown)
+			_cs = _projection.coordinateSystem();
+		else
+			_cs = _setup.coordinateSystem();
+	} else
+		_cs = CoordinateSystem::XY;
+
+	_getMapUrl = ctx.url.isEmpty() ? _setup.url() : ctx.url;
+
 	return true;
 }
 
-bool WMS::getCapabilities(const QString &url, const QString &file,
-  const Authorization &authorization)
+bool WMS::downloadCapabilities(const QString &url)
 {
-	Downloader d;
-	QList<Download> dl;
-
-	dl.append(Download(url, file));
-
-	QEventLoop wait;
-	QObject::connect(&d, SIGNAL(finished()), &wait, SLOT(quit()));
-	if (d.get(dl, authorization))
-		wait.exec();
-
-	if (!QFileInfo(file).exists()) {
-		_errorString = "Error downloading capabilities XML file";
-		return false;
+	if (!_downloader) {
+		_downloader = new Downloader(this);
+		connect(_downloader, SIGNAL(finished()), this,
+		  SLOT(capabilitiesReady()));
 	}
 
-	return true;
+	QList<Download> dl;
+	dl.append(Download(url, _path));
+
+	return _downloader->get(dl, _setup.authorization());
 }
 
-WMS::WMS(const QString &file, const WMS::Setup &setup) : _valid(false)
+void WMS::capabilitiesReady()
 {
-	QString capaUrl = QString("%1%2service=WMS&request=GetCapabilities")
+	if (!QFileInfo(_path).exists()) {
+		_errorString = "Error downloading capabilities XML file";
+		_valid = false;
+	} else {
+		_ready = true;
+		_valid = parseCapabilities();
+	}
+
+	emit downloadFinished();
+}
+
+WMS::WMS(const QString &file, const WMS::Setup &setup, QObject *parent)
+  : QObject(parent), _setup(setup), _path(file), _downloader(0), _valid(false),
+  _ready(false)
+{
+	QString url = QString("%1%2service=WMS&request=GetCapabilities")
 	  .arg(setup.url(), setup.url().contains('?') ? "&" : "?");
 
 	if (!QFileInfo(file).exists())
-		if (!getCapabilities(capaUrl, file, setup.authorization()))
-			return;
-	if (!parseCapabilities(file, setup))
-		return;
-
-	_valid = true;
+		_valid = downloadCapabilities(url);
+	else {
+		_ready = true;
+		_valid = parseCapabilities();
+	}
 }

src/map/wms.h

@@ -12,8 +12,10 @@
 
 class QXmlStreamReader;
 
-class WMS
+class WMS : public QObject
 {
+	Q_OBJECT
+
 public:
 	class Setup
 	{
@@ -48,16 +50,26 @@ public:
 	};
 
 
-	WMS(const QString &path, const Setup &setup);
+	WMS(const QString &path, const Setup &setup, QObject *parent = 0);
 
+	const RectC &bbox() const {return _bbox;}
 	const Projection &projection() const {return _projection;}
+	CoordinateSystem cs() const {return _cs;}
 	const RangeF &scaleDenominator() const {return _scaleDenominator;}
-	const RectC &boundingBox() const {return _boundingBox;}
 	const QString &version() const {return _version;}
+	const QString &getMapUrl() const {return _getMapUrl;}
+	const WMS::Setup &setup() const {return _setup;}
 
+	bool isReady() const {return _valid && _ready;}
 	bool isValid() const {return _valid;}
 	const QString &errorString() const {return _errorString;}
 
+signals:
+	void downloadFinished();
+
+private slots:
+	void capabilitiesReady();
+
 private:
 	struct Layer {
 		QString name;
@@ -79,12 +91,16 @@ private:
 		const Setup &setup;
 		QList<Layer> layers;
 		bool formatSupported;
+		QString url;
 
 		CTX(const Setup &setup);
 	};
 
 	RectC geographicBoundingBox(QXmlStreamReader &reader);
 	QString style(QXmlStreamReader &reader);
+	void get(QXmlStreamReader &reader, CTX &ctx);
+	void http(QXmlStreamReader &reader, CTX &ctx);
+	void dcpType(QXmlStreamReader &reader, CTX &ctx);
 	void getMap(QXmlStreamReader &reader, CTX &ctx);
 	void request(QXmlStreamReader &reader, CTX &ctx);
 	void layer(QXmlStreamReader &reader, CTX &ctx, const QList<QString> &pCRSs,
@@ -92,19 +108,21 @@ private:
 	  RectC &pBoundingBox);
 	void capability(QXmlStreamReader &reader, CTX &ctx);
 	void capabilities(QXmlStreamReader &reader, CTX &ctx);
-	bool parseCapabilities(const QString &path, const Setup &setup);
-	bool getCapabilities(const QString &url, const QString &file,
-	  const Authorization &authorization);
+	bool parseCapabilities();
+	bool downloadCapabilities(const QString &url);
 
+	WMS::Setup _setup;
+	QString _path;
+	Downloader *_downloader;
 	Projection _projection;
 	RangeF _scaleDenominator;
-	RectC _boundingBox;
+	RectC _bbox;
 	QString _version;
+	QString _getMapUrl;
+	CoordinateSystem _cs;
 
-	bool _valid;
+	bool _valid, _ready;
 	QString _errorString;
-
-	static Downloader *_downloader;
 };
 
 #endif // WMS_H

src/map/wmsmap.cpp

@@ -10,114 +10,98 @@
 
 
 #define CAPABILITIES_FILE "capabilities.xml"
-#define TILE_SIZE 256
 #define EPSILON 1e-6
 
 double WMSMap::sd2res(double scaleDenominator) const
 {
-	return scaleDenominator * 0.28e-3 * _projection.units().fromMeters(1.0);
+	return scaleDenominator * _wms->projection().units().fromMeters(1.0)
+	 * 0.28e-3;
 }
 
-QString WMSMap::tileUrl(const QString &version) const
+QString WMSMap::tileUrl() const
 {
-	QString url;
+	const WMS::Setup &setup = _wms->setup();
 
-	url = QString("%1%2version=%3&request=GetMap&bbox=$bbox"
+	QString url = QString("%1%2service=WMS&version=%3&request=GetMap&bbox=$bbox"
 	  "&width=%4&height=%5&layers=%6&styles=%7&format=%8&transparent=true")
-	  .arg(_setup.url(), _setup.url().contains('?') ? "&" : "?", version,
-	  QString::number(TILE_SIZE), QString::number(TILE_SIZE), _setup.layer(),
-	  _setup.style(), _setup.format());
+	  .arg(_wms->getMapUrl(), _wms->getMapUrl().contains('?') ? "&" : "?",
+	  _wms->version(), QString::number(_tileSize), QString::number(_tileSize),
+	  setup.layer(), setup.style(), setup.format());
 
-	if (version >= "1.3.0")
-		url.append(QString("&CRS=%1").arg(_setup.crs()));
+	if (_wms->version() >= "1.3.0")
+		url.append(QString("&CRS=%1").arg(setup.crs()));
 	else
-		url.append(QString("&SRS=%1").arg(_setup.crs()));
+		url.append(QString("&SRS=%1").arg(setup.crs()));
 
-	for (int i = 0; i < _setup.dimensions().size(); i++) {
-		const KV<QString, QString> &dim = _setup.dimensions().at(i);
+	for (int i = 0; i < setup.dimensions().size(); i++) {
+		const KV<QString, QString> &dim = setup.dimensions().at(i);
 		url.append(QString("&%1=%2").arg(dim.key(), dim.value()));
 	}
 
 	return url;
 }
 
-QString WMSMap::tilesDir() const
-{
-	return QString(QDir(ProgramPaths::tilesDir()).filePath(_name));
-}
-
-void WMSMap::computeZooms(const RangeF &scaleDenominator)
+void WMSMap::computeZooms()
 {
 	_zooms.clear();
 
-	if (scaleDenominator.size() > 0) {
-		double ld = log2(scaleDenominator.max() - EPSILON)
-		  - log2(scaleDenominator.min() + EPSILON);
+	const RangeF &sd = _wms->scaleDenominator();
+	if (sd.size() > 0) {
+		double ld = log2(sd.max() - EPSILON) - log2(sd.min() + EPSILON);
 		int cld = (int)ceil(ld);
 		double step = ld / (double)cld;
-		double lmax = log2(scaleDenominator.max() - EPSILON);
+		double lmax = log2(sd.max() - EPSILON);
 		for (int i = 0; i <= cld; i++)
 			_zooms.append(pow(2.0, lmax - i * step));
 	} else
-		_zooms.append(scaleDenominator.min() + EPSILON);
+		_zooms.append(sd.min() + EPSILON);
 }
 
 void WMSMap::updateTransform()
 {
 	double pixelSpan = sd2res(_zooms.at(_zoom));
-	if (_projection.isGeographic())
+	if (_wms->projection().isGeographic())
 		pixelSpan /= deg2rad(WGS84_RADIUS);
 	_transform = Transform(ReferencePoint(PointD(0, 0),
-	  _projection.ll2xy(_bbox.topLeft())), PointD(pixelSpan, pixelSpan));
+	  _wms->projection().ll2xy(_wms->bbox().topLeft())),
+	  PointD(pixelSpan, pixelSpan));
 }
 
-bool WMSMap::loadWMS()
+WMSMap::WMSMap(const QString &name, const WMS::Setup &setup, int tileSize,
+  QObject *parent) : Map(parent), _name(name), _tileLoader(0), _zoom(0),
+  _tileSize(tileSize), _mapRatio(1.0)
 {
-	QString file = tilesDir() + "/" + CAPABILITIES_FILE;
+	QString tilesDir(QDir(ProgramPaths::tilesDir()).filePath(_name));
 
-	WMS wms(file, _setup);
-	if (!wms.isValid()) {
-		_errorString = wms.errorString();
-		return false;
-	}
+	_tileLoader = new TileLoader(tilesDir, this);
+	_tileLoader->setAuthorization(setup.authorization());
+	connect(_tileLoader, SIGNAL(finished()), this, SIGNAL(tilesLoaded()));
 
-	_projection = wms.projection();
-	_bbox = wms.boundingBox();
-	_bounds = RectD(_bbox, _projection);
-	_tileLoader->setUrl(tileUrl(wms.version()));
+	_wms = new WMS(QDir(tilesDir).filePath(CAPABILITIES_FILE), setup, this);
+	connect(_wms, SIGNAL(downloadFinished()), this, SLOT(wmsReady()));
+	if (_wms->isReady())
+		init();
+}
 
-	if (wms.version() >= "1.3.0") {
-		if (_setup.coordinateSystem().axisOrder() == CoordinateSystem::Unknown)
-			_cs = _projection.coordinateSystem();
-		else
-			_cs = _setup.coordinateSystem();
-	} else
-		_cs = CoordinateSystem::XY;
-
-	computeZooms(wms.scaleDenominator());
+void WMSMap::init()
+{
+	_tileLoader->setUrl(tileUrl());
+	_bounds = RectD(_wms->bbox(), _wms->projection());
+	computeZooms();
 	updateTransform();
-
-	return true;
 }
 
-WMSMap::WMSMap(const QString &name, const WMS::Setup &setup, QObject *parent)
-  : Map(parent), _name(name), _setup(setup), _tileLoader(0), _zoom(0),
-  _mapRatio(1.0), _valid(false)
+void WMSMap::wmsReady()
 {
-	_tileLoader = new TileLoader(tilesDir(), this);
-	_tileLoader->setAuthorization(_setup.authorization());
-	connect(_tileLoader, SIGNAL(finished()), this, SIGNAL(loaded()));
+	if (_wms->isValid())
+		init();
 
-	_valid = loadWMS();
+	emit mapLoaded();
 }
 
 void WMSMap::clearCache()
 {
 	_tileLoader->clearCache();
-	_zoom = 0;
-
-	if (!loadWMS())
-		qWarning("%s: %s", qPrintable(_name), qPrintable(_errorString));
 }
 
 QRectF WMSMap::bounds()
@@ -129,10 +113,10 @@ QRectF WMSMap::bounds()
 int WMSMap::zoomFit(const QSize &size, const RectC &rect)
 {
 	if (rect.isValid()) {
-		RectD prect(rect, _projection);
+		RectD prect(rect, _wms->projection());
 		PointD sc(prect.width() / size.width(), prect.height() / size.height());
 		double resolution = qMax(qAbs(sc.x()), qAbs(sc.y()));
-		if (_projection.isGeographic())
+		if (_wms->projection().isGeographic())
 			resolution *= deg2rad(WGS84_RADIUS);
 
 		_zoom = 0;
@@ -170,17 +154,17 @@ int WMSMap::zoomOut()
 
 QPointF WMSMap::ll2xy(const Coordinates &c)
 {
-	return _transform.proj2img(_projection.ll2xy(c)) / _mapRatio;
+	return _transform.proj2img(_wms->projection().ll2xy(c)) / _mapRatio;
 }
 
 Coordinates WMSMap::xy2ll(const QPointF &p)
 {
-	return _projection.xy2ll(_transform.img2proj(p * _mapRatio));
+	return _wms->projection().xy2ll(_transform.img2proj(p * _mapRatio));
 }
 
 qreal WMSMap::tileSize() const
 {
-	return (TILE_SIZE / _mapRatio);
+	return (_tileSize / _mapRatio);
 }
 
 void WMSMap::draw(QPainter *painter, const QRectF &rect, Flags flags)
@@ -194,11 +178,11 @@ void WMSMap::draw(QPainter *painter, const QRectF &rect, Flags flags)
 	tiles.reserve((br.x() - tl.x()) * (br.y() - tl.y()));
 	for (int i = tl.x(); i < br.x(); i++) {
 		for (int j = tl.y(); j < br.y(); j++) {
-			PointD ttl(_transform.img2proj(QPointF(i * TILE_SIZE,
-			  j * TILE_SIZE)));
-			PointD tbr(_transform.img2proj(QPointF(i * TILE_SIZE + TILE_SIZE,
-			  j * TILE_SIZE + TILE_SIZE)));
-			RectD bbox = (_cs.axisOrder() == CoordinateSystem::YX)
+			PointD ttl(_transform.img2proj(QPointF(i * _tileSize,
+			  j * _tileSize)));
+			PointD tbr(_transform.img2proj(QPointF(i * _tileSize + _tileSize,
+			  j * _tileSize + _tileSize)));
+			RectD bbox = (_wms->cs().axisOrder() == CoordinateSystem::YX)
 			  ? RectD(PointD(tbr.y(), tbr.x()), PointD(ttl.y(), ttl.x()))
 			  : RectD(ttl, tbr);
 

src/map/wmsmap.h

@@ -14,7 +14,8 @@ class WMSMap : public Map
 	Q_OBJECT
 
 public:
-	WMSMap(const QString &name, const WMS::Setup &setup, QObject *parent = 0);
+	WMSMap(const QString &name, const WMS::Setup &setup, int tileSize,
+	  QObject *parent = 0);
 
 	QString name() const {return _name;}
 
@@ -35,33 +36,30 @@ public:
 	  {_mapRatio = mapRatio;}
 	void clearCache();
 
-	bool isValid() const {return _valid;}
-	QString errorString() const {return _errorString;}
+	bool isReady() const {return _wms->isReady();}
+	bool isValid() const {return _wms->isValid();}
+	QString errorString() const {return _wms->errorString();}
+
+private slots:
+	void wmsReady();
 
 private:
-	QString tileUrl(const QString &version) const;
+	QString tileUrl() const;
 	double sd2res(double scaleDenominator) const;
-	QString tilesDir() const;
-	void computeZooms(const RangeF &scaleDenominator);
+	void computeZooms();
 	void updateTransform();
-	bool loadWMS();
 	qreal tileSize() const;
+	void init();
 
 	QString _name;
-
-	WMS::Setup _setup;
+	WMS *_wms;
 	TileLoader *_tileLoader;
-	Projection _projection;
-	Transform _transform;
-	CoordinateSystem _cs;
-	QVector<double> _zooms;
-	RectC _bbox;
 	RectD _bounds;
+	Transform _transform;
+	QVector<double> _zooms;
 	int _zoom;
+	int _tileSize;
 	qreal _mapRatio;
-
-	bool _valid;
-	QString _errorString;
 };
 
 #endif // WMSMAP_H

src/map/wmts.cpp

@@ -12,6 +12,11 @@
 #include "wmts.h"
 
 
+static QString bareFormat(const QString &format)
+{
+	return format.left(format.indexOf(';')).trimmed();
+}
+
 static void skipParentElement(QXmlStreamReader &reader)
 {
 	while (reader.readNextStartElement())
@@ -53,7 +58,7 @@ void WMTS::tileMatrixSet(QXmlStreamReader &reader, CTX &ctx)
 {
 	while (reader.readNextStartElement()) {
 		if (reader.name() == "Identifier") {
-			if (reader.readElementText() != ctx.setup.set()) {
+			if (reader.readElementText() != _setup.set()) {
 				skipParentElement(reader);
 				return;
 			}
@@ -109,7 +114,7 @@ void WMTS::tileMatrixSetLink(QXmlStreamReader &reader, CTX &ctx)
 {
 	while (reader.readNextStartElement()) {
 		if (reader.name() == "TileMatrixSet") {
-			if (reader.readElementText() == ctx.setup.set())
+			if (reader.readElementText() == _setup.set())
 				ctx.hasSet = true;
 			else {
 				skipParentElement(reader);
@@ -158,7 +163,7 @@ void WMTS::layer(QXmlStreamReader &reader, CTX &ctx)
 {
 	while (reader.readNextStartElement()) {
 		if (reader.name() == "Identifier") {
-			if (reader.readElementText() == ctx.setup.layer())
+			if (reader.readElementText() == _setup.layer())
 				ctx.hasLayer = true;
 			else {
 				skipParentElement(reader);
@@ -167,10 +172,10 @@ void WMTS::layer(QXmlStreamReader &reader, CTX &ctx)
 		} else if (reader.name() == "TileMatrixSetLink")
 			tileMatrixSetLink(reader, ctx);
 		else if (reader.name() == "WGS84BoundingBox")
-			_bounds = wgs84BoundingBox(reader);
+			ctx.bbox = wgs84BoundingBox(reader);
 		else if (reader.name() == "ResourceURL") {
 			const QXmlStreamAttributes &attr = reader.attributes();
-			if (attr.value("resourceType") == "tile" && ctx.setup.rest())
+			if (attr.value("resourceType") == "tile" && _setup.rest())
 				_tileUrl = attr.value("template").toString();
 			reader.skipCurrentElement();
 		} else if (reader.name() == "Style") {
@@ -179,10 +184,11 @@ void WMTS::layer(QXmlStreamReader &reader, CTX &ctx)
 			QString s = style(reader);
 			if (isDefault)
 				ctx.defaultStyle = s;
-			if (s == ctx.setup.style())
+			if (s == _setup.style())
 				ctx.hasStyle = true;
 		} else if (reader.name() == "Format") {
-			if (reader.readElementText() == ctx.setup.format())
+			QString format(reader.readElementText());
+			if (bareFormat(format) == bareFormat(_setup.format()))
 				ctx.hasFormat = true;
 		} else
 			reader.skipCurrentElement();
@@ -226,9 +232,9 @@ void WMTS::createZooms(const CTX &ctx)
 	qSort(_zooms);
 }
 
-bool WMTS::parseCapabilities(const QString &path, CTX &ctx)
+bool WMTS::parseCapabilities(CTX &ctx)
 {
-	QFile file(path);
+	QFile file(_path);
 	QXmlStreamReader reader;
 
 	if (!file.open(QFile::ReadOnly | QFile::Text)) {
@@ -244,30 +250,30 @@ bool WMTS::parseCapabilities(const QString &path, CTX &ctx)
 			reader.raiseError("Not a Capabilities XML file");
 	}
 	if (reader.error()) {
-		_errorString = QString("%1:%2: %3").arg(path).arg(reader.lineNumber())
+		_errorString = QString("%1:%2: %3").arg(_path).arg(reader.lineNumber())
 		  .arg(reader.errorString());
 		return false;
 	}
 
 	if (!ctx.hasLayer) {
-		_errorString = ctx.setup.layer() + ": layer not provided";
+		_errorString = _setup.layer() + ": layer not provided";
 		return false;
 	}
-	if (!ctx.hasStyle && !ctx.setup.style().isEmpty()) {
-		_errorString = ctx.setup.style() + ": style not provided";
+	if (!ctx.hasStyle && !_setup.style().isEmpty()) {
+		_errorString = _setup.style() + ": style not provided";
 		return false;
 	}
-	if (!ctx.hasStyle && ctx.setup.style().isEmpty()
+	if (!ctx.hasStyle && _setup.style().isEmpty()
 	  && ctx.defaultStyle.isEmpty()) {
 		_errorString = "Default style not provided";
 		return false;
 	}
-	if (!ctx.setup.rest() && !ctx.hasFormat) {
-		_errorString = ctx.setup.format() + ": format not provided";
+	if (!_setup.rest() && !ctx.hasFormat) {
+		_errorString = _setup.format() + ": format not provided";
 		return false;
 	}
 	if (!ctx.hasSet) {
-		_errorString = ctx.setup.set() + ": set not provided";
+		_errorString = _setup.set() + ": set not provided";
 		return false;
 	}
 	if (ctx.crs.isNull()) {
@@ -284,74 +290,92 @@ bool WMTS::parseCapabilities(const QString &path, CTX &ctx)
 		_errorString = "No usable tile matrix found";
 		return false;
 	}
-	if (ctx.setup.rest() && _tileUrl.isNull()) {
+	if (_setup.rest() && _tileUrl.isNull()) {
 		_errorString = "Missing tile URL template";
 		return false;
 	}
+	_bbox = ctx.bbox;
+	_cs = (_setup.coordinateSystem().axisOrder() == CoordinateSystem::Unknown)
+	  ? _projection.coordinateSystem() : _setup.coordinateSystem();
 
 	return true;
 }
 
-bool WMTS::downloadCapabilities(const QString &url, const QString &file,
-  const Authorization &authorization)
+bool WMTS::downloadCapabilities(const QString &url)
 {
-	Downloader d;
-	QList<Download> dl;
-
-	dl.append(Download(url, file));
-
-	QEventLoop wait;
-	QObject::connect(&d, SIGNAL(finished()), &wait, SLOT(quit()));
-	if (d.get(dl, authorization))
-		wait.exec();
-
-	if (!QFileInfo(file).exists()) {
-		_errorString = "Error downloading capabilities XML file";
-		return false;
+	if (!_downloader) {
+		_downloader = new Downloader(this);
+		connect(_downloader, SIGNAL(finished()), this,
+		  SLOT(capabilitiesReady()));
 	}
 
-	return true;
+	QList<Download> dl;
+	dl.append(Download(url, _path));
+
+	return _downloader->get(dl, _setup.authorization());
 }
 
-WMTS::WMTS(const QString &file, const WMTS::Setup &setup) : _valid(false)
+void WMTS::capabilitiesReady()
 {
-	QUrl url(setup.rest() ? setup.url() : QString(
-	  "%1%2service=WMTS&Version=1.0.0&request=GetCapabilities").arg(setup.url(),
-	  setup.url().contains('?') ? "&" : "?"));
+	if (!QFileInfo(_path).exists()) {
+		_errorString = "Error downloading capabilities XML file";
+		_valid = false;
+	} else {
+		_ready = true;
+		_valid = init();
+	}
 
-	if (!url.isLocalFile() && !QFileInfo(file).exists())
-		if (!downloadCapabilities(url.toString(), file, setup.authorization()))
-			return;
+	emit downloadFinished();
+}
 
-	CTX ctx(setup);
-	if (!parseCapabilities(url.isLocalFile() ? url.toLocalFile() : file, ctx))
-		return;
+bool WMTS::init()
+{
+	CTX ctx;
+	if (!parseCapabilities(ctx))
+		return false;
 
-	QString style = setup.style().isEmpty() ? ctx.defaultStyle : setup.style();
-	if (!setup.rest()) {
+	QString style = _setup.style().isEmpty() ? ctx.defaultStyle : _setup.style();
+	if (!_setup.rest()) {
 		_tileUrl = QString("%1%2service=WMTS&Version=1.0.0&request=GetTile"
 		  "&Format=%3&Layer=%4&Style=%5&TileMatrixSet=%6&TileMatrix=$z"
-		  "&TileRow=$y&TileCol=$x").arg(setup.url(),
-		  setup.url().contains('?') ? "&" : "?" , setup.format(),
-		  setup.layer(), style, setup.set());
-		for (int i = 0; i < setup.dimensions().size(); i++) {
-			const KV<QString, QString> &dim = setup.dimensions().at(i);
+		  "&TileRow=$y&TileCol=$x").arg(_setup.url(),
+		  _setup.url().contains('?') ? "&" : "?" , _setup.format(),
+		  _setup.layer(), style, _setup.set());
+		for (int i = 0; i < _setup.dimensions().size(); i++) {
+			const KV<QString, QString> &dim = _setup.dimensions().at(i);
 			_tileUrl.append(QString("&%1=%2").arg(dim.key(), dim.value()));
 		}
 	} else {
 		_tileUrl.replace("{Style}", style, Qt::CaseInsensitive);
-		_tileUrl.replace("{TileMatrixSet}", setup.set(), Qt::CaseInsensitive);
+		_tileUrl.replace("{TileMatrixSet}", _setup.set(), Qt::CaseInsensitive);
 		_tileUrl.replace("{TileMatrix}", "$z", Qt::CaseInsensitive);
 		_tileUrl.replace("{TileRow}", "$y", Qt::CaseInsensitive);
 		_tileUrl.replace("{TileCol}", "$x", Qt::CaseInsensitive);
-		for (int i = 0; i < setup.dimensions().size(); i++) {
-			const KV<QString, QString> &dim = setup.dimensions().at(i);
+		for (int i = 0; i < _setup.dimensions().size(); i++) {
+			const KV<QString, QString> &dim = _setup.dimensions().at(i);
 			_tileUrl.replace(QString("{%1}").arg(dim.key()), dim.value(),
 			  Qt::CaseInsensitive);
 		}
 	}
 
-	_valid = true;
+	return true;
+}
+
+WMTS::WMTS(const QString &file, const WMTS::Setup &setup, QObject *parent)
+  : QObject(parent), _setup(setup), _downloader(0), _valid(false), _ready(false)
+{
+	QUrl url(setup.rest() ? setup.url() : QString(
+	  "%1%2service=WMTS&Version=1.0.0&request=GetCapabilities").arg(setup.url(),
+	  setup.url().contains('?') ? "&" : "?"));
+
+	_path = url.isLocalFile() ? url.toLocalFile() : file;
+
+	if (!url.isLocalFile() && !QFileInfo(file).exists())
+		_valid = downloadCapabilities(url.toString());
+	else {
+		_ready = true;
+		_valid = init();
+	}
 }
 
 #ifndef QT_NO_DEBUG

src/map/wmts.h

@@ -14,8 +14,10 @@
 
 class QXmlStreamReader;
 
-class WMTS
+class WMTS : public QObject
 {
+	Q_OBJECT
+
 public:
 	class Setup
 	{
@@ -79,16 +81,24 @@ public:
 	};
 
 
-	WMTS(const QString &path, const Setup &setup);
+	WMTS(const QString &path, const Setup &setup, QObject *parent = 0);
 
-	const RectC &bounds() const {return _bounds;}
+	const RectC &bbox() const {return _bbox;}
 	const QList<Zoom> &zooms() const {return _zooms;}
 	const Projection &projection() const {return _projection;}
 	const QString &tileUrl() const {return _tileUrl;}
+	CoordinateSystem cs() const {return _cs;}
 
+	bool isReady() const {return _valid && _ready;}
 	bool isValid() const {return _valid;}
 	const QString &errorString() const {return _errorString;}
 
+signals:
+	void downloadFinished();
+
+private slots:
+	void capabilitiesReady();
+
 private:
 	struct TileMatrix {
 		QString id;
@@ -118,18 +128,18 @@ private:
 	};
 
 	struct CTX {
-		const Setup &setup;
 		QSet<TileMatrix> matrixes;
 		QSet<MatrixLimits> limits;
 		QString crs;
 		QString defaultStyle;
+		RectC bbox;
 		bool hasLayer;
 		bool hasStyle;
 		bool hasFormat;
 		bool hasSet;
 
-		CTX(const Setup &setup) : setup(setup), hasLayer(false), hasStyle(false),
-		  hasFormat(false), hasSet(false) {}
+		CTX() : hasLayer(false), hasStyle(false), hasFormat(false), hasSet(false)
+		  {}
 	};
 
 	RectC wgs84BoundingBox(QXmlStreamReader &reader);
@@ -142,17 +152,21 @@ private:
 	void layer(QXmlStreamReader &reader, CTX &ctx);
 	void contents(QXmlStreamReader &reader, CTX &ctx);
 	void capabilities(QXmlStreamReader &reader, CTX &ctx);
-	bool parseCapabilities(const QString &path, CTX &ctx);
-	bool downloadCapabilities(const QString &url, const QString &file,
-	  const Authorization &authorization);
+	bool parseCapabilities(CTX &ctx);
+	bool downloadCapabilities(const QString &url);
 	void createZooms(const CTX &ctx);
+	bool init();
 
+	WMTS::Setup _setup;
+	QString _path;
+	Downloader *_downloader;
+	RectC _bbox;
 	QList<Zoom> _zooms;
-	RectC _bounds;
 	Projection _projection;
 	QString _tileUrl;
+	CoordinateSystem _cs;
 
-	bool _valid;
+	bool _valid, _ready;
 	QString _errorString;
 
 	friend uint qHash(const WMTS::TileMatrix &key);

src/map/wmtsmap.cpp

@@ -12,70 +12,57 @@
 
 #define CAPABILITIES_FILE "capabilities.xml"
 
-bool WMTSMap::loadWMTS()
+WMTSMap::WMTSMap(const QString &name, const WMTS::Setup &setup, qreal tileRatio,
+  QObject *parent) : Map(parent), _name(name), _tileLoader(0), _zoom(0),
+  _mapRatio(1.0), _tileRatio(tileRatio)
 {
-	QString file = tilesDir() + "/" + CAPABILITIES_FILE;
+	QString tilesDir(QDir(ProgramPaths::tilesDir()).filePath(_name));
 
-	WMTS wmts(file, _setup);
-	if (!wmts.isValid()) {
-		_errorString = wmts.errorString();
-		return false;
-	}
+	_tileLoader = new TileLoader(tilesDir, this);
+	_tileLoader->setAuthorization(setup.authorization());
+	connect(_tileLoader, SIGNAL(finished()), this, SIGNAL(tilesLoaded()));
 
-	_zooms = wmts.zooms();
-	_projection = wmts.projection();
-	_tileLoader->setUrl(wmts.tileUrl());
-	_bounds = RectD(wmts.bounds(), _projection);
-
-	if (_setup.coordinateSystem().axisOrder() == CoordinateSystem::Unknown)
-		_cs = _projection.coordinateSystem();
-	else
-		_cs = _setup.coordinateSystem();
-
-	updateTransform();
-
-	return true;
+	_wmts = new WMTS(QDir(tilesDir).filePath(CAPABILITIES_FILE), setup, this);
+	connect(_wmts, SIGNAL(downloadFinished()), this, SLOT(wmtsReady()));
+	if (_wmts->isReady())
+		init();
 }
 
-WMTSMap::WMTSMap(const QString &name, const WMTS::Setup &setup, qreal tileRatio,
-  QObject *parent) : Map(parent), _name(name), _setup(setup), _tileLoader(0),
-  _zoom(0), _mapRatio(1.0), _tileRatio(tileRatio), _valid(false)
+void WMTSMap::init()
 {
-	_tileLoader = new TileLoader(tilesDir(), this);
-	_tileLoader->setAuthorization(_setup.authorization());
-	connect(_tileLoader, SIGNAL(finished()), this, SIGNAL(loaded()));
+	_tileLoader->setUrl(_wmts->tileUrl());
+	_bounds = RectD(_wmts->bbox(), _wmts->projection());
+	updateTransform();
+}
 
-	_valid = loadWMTS();
+void WMTSMap::wmtsReady()
+{
+	if (_wmts->isValid())
+		init();
+
+	emit mapLoaded();
 }
 
 void WMTSMap::clearCache()
 {
 	_tileLoader->clearCache();
-	_zoom = 0;
-
-	if (!loadWMTS())
-		qWarning("%s: %s", qPrintable(_name), qPrintable(_errorString));
-}
-
-QString WMTSMap::tilesDir() const
-{
-	return QString(QDir(ProgramPaths::tilesDir()).filePath(_name));
 }
 
 double WMTSMap::sd2res(double scaleDenominator) const
 {
-	return scaleDenominator * 0.28e-3 * _projection.units().fromMeters(1.0);
+	return scaleDenominator * 0.28e-3
+	  * _wmts->projection().units().fromMeters(1.0);
 }
 
 void WMTSMap::updateTransform()
 {
-	const WMTS::Zoom &z = _zooms.at(_zoom);
+	const WMTS::Zoom &z = _wmts->zooms().at(_zoom);
 
-	PointD topLeft = (_cs.axisOrder() == CoordinateSystem::YX)
+	PointD topLeft = (_wmts->cs().axisOrder() == CoordinateSystem::YX)
 	  ? PointD(z.topLeft().y(), z.topLeft().x()) : z.topLeft();
 
 	double pixelSpan = sd2res(z.scaleDenominator());
-	if (_projection.isGeographic())
+	if (_wmts->projection().isGeographic())
 		pixelSpan /= deg2rad(WGS84_RADIUS);
 	_transform = Transform(ReferencePoint(PointD(0, 0), topLeft),
 	  PointD(pixelSpan, pixelSpan));
@@ -83,7 +70,7 @@ void WMTSMap::updateTransform()
 
 QRectF WMTSMap::bounds()
 {
-	const WMTS::Zoom &z = _zooms.at(_zoom);
+	const WMTS::Zoom &z = _wmts->zooms().at(_zoom);
 	QRectF tileBounds, bounds;
 
 	tileBounds = (z.limits().isNull()) ?
@@ -95,29 +82,29 @@ QRectF WMTSMap::bounds()
 
 	if (_bounds.isValid())
 		bounds = QRectF(_transform.proj2img(_bounds.topLeft())
-		  / coordinatesRatio(), _transform.proj2img(_bounds.bottomRight())
-		  / coordinatesRatio());
+		  / coordinatesRatio(), _transform.proj2img(
+		  _bounds.bottomRight()) / coordinatesRatio());
 	return bounds.isValid() ? tileBounds.intersected(bounds) : tileBounds;
 }
 
 int WMTSMap::zoomFit(const QSize &size, const RectC &rect)
 {
 	if (rect.isValid()) {
-		RectD prect(rect, _projection);
+		RectD prect(rect, _wmts->projection());
 		PointD sc(prect.width() / size.width(), prect.height() / size.height());
 		double resolution = qMax(qAbs(sc.x()), qAbs(sc.y()));
-		if (_projection.isGeographic())
+		if (_wmts->projection().isGeographic())
 			resolution *= deg2rad(WGS84_RADIUS);
 
 		_zoom = 0;
-		for (int i = 0; i < _zooms.size(); i++) {
-			if (sd2res(_zooms.at(i).scaleDenominator()) < resolution
+		for (int i = 0; i < _wmts->zooms().size(); i++) {
+			if (sd2res(_wmts->zooms().at(i).scaleDenominator()) < resolution
 			  / coordinatesRatio())
 				break;
 			_zoom = i;
 		}
 	} else
-		_zoom = _zooms.size() - 1;
+		_zoom = _wmts->zooms().size() - 1;
 
 	updateTransform();
 	return _zoom;
@@ -131,7 +118,7 @@ void WMTSMap::setZoom(int zoom)
 
 int WMTSMap::zoomIn()
 {
-	_zoom = qMin(_zoom + 1, _zooms.size() - 1);
+	_zoom = qMin(_zoom + 1, _wmts->zooms().size() - 1);
 	updateTransform();
 	return _zoom;
 }
@@ -161,7 +148,7 @@ QSizeF WMTSMap::tileSize(const WMTS::Zoom &zoom) const
 
 void WMTSMap::draw(QPainter *painter, const QRectF &rect, Flags flags)
 {
-	const WMTS::Zoom &z = _zooms.at(_zoom);
+	const WMTS::Zoom &z = _wmts->zooms().at(_zoom);
 	QSizeF ts(tileSize(z));
 
 	QPoint tl = QPoint(qFloor(rect.left() / ts.width()),
@@ -194,10 +181,12 @@ void WMTSMap::draw(QPainter *painter, const QRectF &rect, Flags flags)
 
 QPointF WMTSMap::ll2xy(const Coordinates &c)
 {
-	return _transform.proj2img(_projection.ll2xy(c)) / coordinatesRatio();
+	return _transform.proj2img(_wmts->projection().ll2xy(c))
+	  / coordinatesRatio();
 }
 
 Coordinates WMTSMap::xy2ll(const QPointF &p)
 {
-	return _projection.xy2ll(_transform.img2proj(p * coordinatesRatio()));
+	return _wmts->projection().xy2ll(_transform.img2proj(p
+	  * coordinatesRatio()));
 }

src/map/wmtsmap.h

@@ -36,31 +36,28 @@ public:
 	  {_mapRatio = mapRatio;}
 	void clearCache();
 
-	bool isValid() const {return _valid;}
-	QString errorString() const {return _errorString;}
+	bool isReady() const {return _wmts->isReady();}
+	bool isValid() const {return _wmts->isValid();}
+	QString errorString() const {return _wmts->errorString();}
+
+private slots:
+	void wmtsReady();
 
 private:
-	bool loadWMTS();
 	double sd2res(double scaleDenominator) const;
-	QString tilesDir() const;
 	void updateTransform();
 	QSizeF tileSize(const WMTS::Zoom &zoom) const;
 	qreal coordinatesRatio() const;
 	qreal imageRatio() const;
+	void init();
 
 	QString _name;
-	WMTS::Setup _setup;
+	WMTS *_wmts;
 	TileLoader *_tileLoader;
-	RectD _bounds;
-	QList<WMTS::Zoom> _zooms;
-	Projection _projection;
 	Transform _transform;
-	CoordinateSystem _cs;
+	RectD _bounds;
 	int _zoom;
 	qreal _mapRatio, _tileRatio;
-
-	bool _valid;
-	QString _errorString;
 };
 
 #endif // WMTSMAP_H