mirror of
https://github.com/tumic0/GPXSee.git
synced 2024-11-28 05:34:47 +01:00
Improved scale computation on offline & WMTS maps
This commit is contained in:
parent
46cefada94
commit
b9ed0c3933
@ -95,7 +95,8 @@ void MapView::centerOn(const QPointF &pos)
|
||||
verticalScrollBar()->setValue(verticalScrollBar()->value()
|
||||
+ offset.y());
|
||||
|
||||
_res = _map->resolution(pos);
|
||||
QRectF vr(mapToScene(viewport()->rect()).boundingRect());
|
||||
_res = _map->resolution(vr);
|
||||
_mapScale->setResolution(_res);
|
||||
}
|
||||
|
||||
@ -267,9 +268,8 @@ void MapView::setPalette(const Palette &palette)
|
||||
|
||||
void MapView::setMap(Map *map)
|
||||
{
|
||||
QPointF pos = mapToScene(viewport()->rect().center());
|
||||
Coordinates center = _map->xy2ll(pos);
|
||||
qreal resolution = _map->resolution(pos);
|
||||
QRectF vr(mapToScene(viewport()->rect()).boundingRect());
|
||||
RectC cr(_map->xy2ll(vr.topLeft()), _map->xy2ll(vr.bottomRight()));
|
||||
|
||||
_map->unload();
|
||||
disconnect(_map, SIGNAL(loaded()), this, SLOT(reloadMap()));
|
||||
@ -281,7 +281,7 @@ void MapView::setMap(Map *map)
|
||||
|
||||
digitalZoom(0);
|
||||
|
||||
_map->zoomFit(resolution, center);
|
||||
_map->zoomFit(viewport()->rect().size(), cr);
|
||||
_scene->setSceneRect(_map->bounds());
|
||||
|
||||
for (int i = 0; i < _tracks.size(); i++)
|
||||
@ -296,7 +296,7 @@ void MapView::setMap(Map *map)
|
||||
it.value()->setMap(_map);
|
||||
updatePOIVisibility();
|
||||
|
||||
centerOn(_map->ll2xy(center));
|
||||
centerOn(_map->ll2xy(cr.center()));
|
||||
|
||||
resetCachedContent();
|
||||
QPixmapCache::clear();
|
||||
@ -499,9 +499,9 @@ void MapView::plot(QPainter *painter, const QRectF &target, qreal scale,
|
||||
bool hires)
|
||||
{
|
||||
QRect orig, adj;
|
||||
qreal ratio, diff, origRes, q;
|
||||
qreal ratio, diff, q;
|
||||
QPointF origScene, origPos;
|
||||
Coordinates origLL;
|
||||
RectC origC;
|
||||
|
||||
|
||||
// Enter plot mode
|
||||
@ -526,9 +526,9 @@ void MapView::plot(QPainter *painter, const QRectF &target, qreal scale,
|
||||
|
||||
// Adjust the view for printing
|
||||
if (hires) {
|
||||
origScene = mapToScene(orig.center());
|
||||
origLL = _map->xy2ll(origScene);
|
||||
origRes = _map->resolution(origScene);
|
||||
QRectF vr(mapToScene(orig).boundingRect());
|
||||
origC = RectC(_map->xy2ll(vr.topLeft()), _map->xy2ll(vr.bottomRight()));
|
||||
origScene = vr.center();
|
||||
|
||||
QPointF s(painter->device()->logicalDpiX()
|
||||
/ (qreal)metric(QPaintDevice::PdmDpiX),
|
||||
@ -558,7 +558,7 @@ void MapView::plot(QPainter *painter, const QRectF &target, qreal scale,
|
||||
|
||||
// Revert view changes to display mode
|
||||
if (hires) {
|
||||
_map->zoomFit(origRes, origLL);
|
||||
_map->zoomFit(orig.size(), origC);
|
||||
rescale();
|
||||
centerOn(origScene);
|
||||
}
|
||||
@ -797,8 +797,8 @@ void MapView::scrollContentsBy(int dx, int dy)
|
||||
{
|
||||
QGraphicsView::scrollContentsBy(dx, dy);
|
||||
|
||||
QPointF center = mapToScene(viewport()->rect().center());
|
||||
qreal res = _map->resolution(center);
|
||||
QRectF sr(mapToScene(viewport()->rect()).boundingRect());
|
||||
qreal res = _map->resolution(sr);
|
||||
|
||||
if (qMax(res, _res) / qMin(res, _res) > 1.1) {
|
||||
_mapScale->setResolution(res);
|
||||
|
||||
@ -15,8 +15,8 @@ static bool resCmp(const OfflineMap *m1, const OfflineMap *m2)
|
||||
{
|
||||
qreal r1, r2;
|
||||
|
||||
r1 = m1->resolution(m1->bounds().center());
|
||||
r2 = m2->resolution(m2->bounds().center());
|
||||
r1 = m1->resolution(m1->bounds());
|
||||
r2 = m2->resolution(m2->bounds());
|
||||
|
||||
return r1 > r2;
|
||||
}
|
||||
@ -37,8 +37,8 @@ void Atlas::computeZooms()
|
||||
|
||||
_zooms.append(QPair<int, int>(0, _maps.count() - 1));
|
||||
for (int i = 1; i < _maps.count(); i++) {
|
||||
qreal last = _maps.at(i-1)->resolution(_maps.at(i)->bounds().center());
|
||||
qreal cur = _maps.at(i)->resolution(_maps.at(i)->bounds().center());
|
||||
qreal last = _maps.at(i-1)->resolution(_maps.at(i)->bounds());
|
||||
qreal cur = _maps.at(i)->resolution(_maps.at(i)->bounds());
|
||||
if (cur < last * ZOOM_THRESHOLD) {
|
||||
_zooms.last().second = i-1;
|
||||
_zooms.append(QPair<int, int>(i, _maps.count() - 1));
|
||||
@ -169,26 +169,21 @@ QRectF Atlas::bounds() const
|
||||
return QRectF(QPointF(0, 0), s);
|
||||
}
|
||||
|
||||
qreal Atlas::resolution(const QPointF &p) const
|
||||
qreal Atlas::resolution(const QRectF &rect) const
|
||||
{
|
||||
int idx = _zooms.at(_zoom).first;
|
||||
|
||||
for (int i = _zooms.at(_zoom).first; i <= _zooms.at(_zoom).second; i++) {
|
||||
if (_bounds.at(i).second.contains(_maps.at(i)->xy2pp(p))) {
|
||||
if (_bounds.at(i).second.contains(_maps.at(i)->xy2pp(rect.center()))) {
|
||||
idx = i;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
return _maps.at(idx)->resolution(p);
|
||||
return _maps.at(idx)->resolution(rect);
|
||||
}
|
||||
|
||||
qreal Atlas::zoom() const
|
||||
{
|
||||
return _zoom;
|
||||
}
|
||||
|
||||
qreal Atlas::zoomFit(const QSize &size, const RectC &br)
|
||||
int Atlas::zoomFit(const QSize &size, const RectC &br)
|
||||
{
|
||||
_zoom = 0;
|
||||
|
||||
@ -217,33 +212,13 @@ qreal Atlas::zoomFit(const QSize &size, const RectC &br)
|
||||
return _zoom;
|
||||
}
|
||||
|
||||
qreal Atlas::zoomFit(qreal resolution, const Coordinates &c)
|
||||
{
|
||||
_zoom = 0;
|
||||
|
||||
for (int z = 0; z < _zooms.count(); z++) {
|
||||
for (int i = _zooms.at(z).first; i <= _zooms.at(z).second; i++) {
|
||||
if (!_bounds.at(i).first.contains(_maps.at(i)->ll2pp(c)))
|
||||
continue;
|
||||
|
||||
if (_maps.at(i)->resolution(_maps.at(i)->ll2xy(c)) < resolution)
|
||||
return _zoom;
|
||||
|
||||
_zoom = z;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
return _zoom;
|
||||
}
|
||||
|
||||
qreal Atlas::zoomIn()
|
||||
int Atlas::zoomIn()
|
||||
{
|
||||
_zoom = qMin(_zoom + 1, _zooms.size() - 1);
|
||||
return _zoom;
|
||||
}
|
||||
|
||||
qreal Atlas::zoomOut()
|
||||
int Atlas::zoomOut()
|
||||
{
|
||||
_zoom = qMax(_zoom - 1, 0);
|
||||
return _zoom;
|
||||
|
||||
@ -17,13 +17,12 @@ public:
|
||||
const QString &name() const {return _name;}
|
||||
|
||||
QRectF bounds() const;
|
||||
qreal resolution(const QPointF &p) const;
|
||||
qreal resolution(const QRectF &rect) const;
|
||||
|
||||
qreal zoom() const;
|
||||
qreal zoomFit(const QSize &size, const RectC &br);
|
||||
qreal zoomFit(qreal resolution, const Coordinates &c);
|
||||
qreal zoomIn();
|
||||
qreal zoomOut();
|
||||
int zoom() const {return _zoom;}
|
||||
int zoomFit(const QSize &size, const RectC &br);
|
||||
int zoomIn();
|
||||
int zoomOut();
|
||||
|
||||
QPointF ll2xy(const Coordinates &c);
|
||||
Coordinates xy2ll(const QPointF &p);
|
||||
|
||||
@ -6,8 +6,9 @@
|
||||
#include "emptymap.h"
|
||||
|
||||
|
||||
#define SCALE_MIN 0.5
|
||||
#define SCALE_MAX 1.0E-6
|
||||
#define ZOOM_MIN 0
|
||||
#define ZOOM_MAX 19
|
||||
#define TILE_SIZE 256
|
||||
|
||||
static QPointF ll2m(const Coordinates &c)
|
||||
{
|
||||
@ -19,10 +20,30 @@ static Coordinates m2ll(const QPointF &p)
|
||||
return Coordinates(p.x(), rad2deg(2 * atan(exp(deg2rad(p.y()))) - M_PI/2));
|
||||
}
|
||||
|
||||
static qreal zoom2scale(int zoom)
|
||||
{
|
||||
return (360.0/(qreal)((1<<zoom) * TILE_SIZE));
|
||||
}
|
||||
|
||||
static int scale2zoom(qreal scale)
|
||||
{
|
||||
return (int)log2(360.0/(scale * (qreal)TILE_SIZE));
|
||||
}
|
||||
|
||||
static int limitZoom(int zoom)
|
||||
{
|
||||
if (zoom < ZOOM_MIN)
|
||||
return ZOOM_MIN;
|
||||
if (zoom > ZOOM_MAX)
|
||||
return ZOOM_MAX;
|
||||
|
||||
return zoom;
|
||||
}
|
||||
|
||||
|
||||
EmptyMap::EmptyMap(QObject *parent) : Map(parent)
|
||||
{
|
||||
_scale = SCALE_MAX;
|
||||
_zoom = ZOOM_MAX;
|
||||
}
|
||||
|
||||
QRectF EmptyMap::bounds() const
|
||||
@ -30,49 +51,38 @@ QRectF EmptyMap::bounds() const
|
||||
return QRectF(ll2xy(Coordinates(-180, 85)), ll2xy(Coordinates(180, -85)));
|
||||
}
|
||||
|
||||
qreal EmptyMap::zoomFit(const QSize &size, const RectC &br)
|
||||
int EmptyMap::zoomFit(const QSize &size, const RectC &br)
|
||||
{
|
||||
if (!br.isValid())
|
||||
_scale = SCALE_MAX;
|
||||
_zoom = ZOOM_MAX;
|
||||
else {
|
||||
QRectF tbr(ll2m(br.topLeft()), ll2m(br.bottomRight()));
|
||||
QPointF sc(tbr.width() / size.width(), tbr.height() / size.height());
|
||||
_scale = qMax(sc.x(), sc.y());
|
||||
|
||||
_zoom = limitZoom(scale2zoom(qMax(sc.x(), sc.y())));
|
||||
}
|
||||
|
||||
_scale = qMax(_scale, SCALE_MAX);
|
||||
_scale = qMin(_scale, SCALE_MIN);
|
||||
|
||||
return _scale;
|
||||
return _zoom;
|
||||
}
|
||||
|
||||
qreal EmptyMap::zoomFit(qreal resolution, const Coordinates &c)
|
||||
qreal EmptyMap::resolution(const QRectF &rect) const
|
||||
{
|
||||
_scale = (360.0 * resolution) / (WGS84_RADIUS * 2 * M_PI
|
||||
* cos(deg2rad(c.lat())));
|
||||
qreal scale = zoom2scale(_zoom);
|
||||
|
||||
_scale = qMax(_scale, SCALE_MAX);
|
||||
_scale = qMin(_scale, SCALE_MIN);
|
||||
|
||||
return _scale;
|
||||
return (WGS84_RADIUS * 2.0 * M_PI * scale / 360.0
|
||||
* cos(2.0 * atan(exp(deg2rad(-rect.center().y() * scale))) - M_PI/2));
|
||||
}
|
||||
|
||||
qreal EmptyMap::resolution(const QPointF &p) const
|
||||
int EmptyMap::zoomIn()
|
||||
{
|
||||
return (WGS84_RADIUS * 2 * M_PI * _scale / 360.0
|
||||
* cos(2.0 * atan(exp(deg2rad(-p.y() * _scale))) - M_PI/2));
|
||||
_zoom = qMin(_zoom + 1, ZOOM_MAX);
|
||||
return _zoom;
|
||||
}
|
||||
|
||||
qreal EmptyMap::zoomIn()
|
||||
int EmptyMap::zoomOut()
|
||||
{
|
||||
_scale = qMax(_scale / 2.0, SCALE_MAX);
|
||||
return _scale;
|
||||
}
|
||||
|
||||
qreal EmptyMap::zoomOut()
|
||||
{
|
||||
_scale = qMin(_scale * 2.0, SCALE_MIN);
|
||||
return _scale;
|
||||
_zoom = qMax(_zoom - 1, ZOOM_MIN);
|
||||
return _zoom;
|
||||
}
|
||||
|
||||
void EmptyMap::draw(QPainter *painter, const QRectF &rect)
|
||||
@ -82,12 +92,13 @@ void EmptyMap::draw(QPainter *painter, const QRectF &rect)
|
||||
|
||||
QPointF EmptyMap::ll2xy(const Coordinates &c) const
|
||||
{
|
||||
qreal scale = zoom2scale(_zoom);
|
||||
QPointF m = ll2m(c);
|
||||
return QPointF(m.x() / _scale, m.y() / -_scale);
|
||||
return QPointF(m.x() / scale, m.y() / -scale);
|
||||
}
|
||||
|
||||
Coordinates EmptyMap::xy2ll(const QPointF &p) const
|
||||
{
|
||||
QPointF m(p.x() * _scale, -p.y() * _scale);
|
||||
return m2ll(QPointF(p.x() * _scale, -p.y() * _scale));
|
||||
qreal scale = zoom2scale(_zoom);
|
||||
return m2ll(QPointF(p.x() * scale, -p.y() * scale));
|
||||
}
|
||||
|
||||
@ -14,13 +14,12 @@ public:
|
||||
const QString &name() const {return _name;}
|
||||
|
||||
QRectF bounds() const;
|
||||
qreal resolution(const QPointF &p) const;
|
||||
qreal resolution(const QRectF &rect) const;
|
||||
|
||||
qreal zoom() const {return _scale;}
|
||||
qreal zoomFit(const QSize &size, const RectC &br);
|
||||
qreal zoomFit(qreal resolution, const Coordinates &c);
|
||||
qreal zoomIn();
|
||||
qreal zoomOut();
|
||||
int zoom() const {return _zoom;}
|
||||
int zoomFit(const QSize &size, const RectC &br);
|
||||
int zoomIn();
|
||||
int zoomOut();
|
||||
|
||||
QPointF ll2xy(const Coordinates &c)
|
||||
{return static_cast<const EmptyMap &>(*this).ll2xy(c);}
|
||||
@ -34,7 +33,7 @@ private:
|
||||
Coordinates xy2ll(const QPointF &p) const;
|
||||
|
||||
QString _name;
|
||||
qreal _scale;
|
||||
int _zoom;
|
||||
};
|
||||
|
||||
#endif // EMPTYMAP_H
|
||||
|
||||
@ -20,13 +20,12 @@ public:
|
||||
virtual const QString &name() const = 0;
|
||||
|
||||
virtual QRectF bounds() const = 0;
|
||||
virtual qreal resolution(const QPointF &p) const = 0;
|
||||
virtual qreal resolution(const QRectF &rect) const = 0;
|
||||
|
||||
virtual qreal zoom() const = 0;
|
||||
virtual qreal zoomFit(const QSize &size, const RectC &br) = 0;
|
||||
virtual qreal zoomFit(qreal resolution, const Coordinates &c) = 0;
|
||||
virtual qreal zoomIn() = 0;
|
||||
virtual qreal zoomOut() = 0;
|
||||
virtual int zoom() const = 0;
|
||||
virtual int zoomFit(const QSize &size, const RectC &br) = 0;
|
||||
virtual int zoomIn() = 0;
|
||||
virtual int zoomOut() = 0;
|
||||
|
||||
virtual QPointF ll2xy(const Coordinates &c) = 0;
|
||||
virtual Coordinates xy2ll(const QPointF &p) = 0;
|
||||
|
||||
@ -14,17 +14,6 @@
|
||||
#include "offlinemap.h"
|
||||
|
||||
|
||||
void OfflineMap::computeResolution()
|
||||
{
|
||||
Coordinates tl = xy2ll((bounds().topLeft()));
|
||||
Coordinates br = xy2ll(bounds().bottomRight());
|
||||
|
||||
qreal ds = tl.distanceTo(br);
|
||||
qreal ps = QLineF(bounds().topLeft(), bounds().bottomRight()).length();
|
||||
|
||||
_resolution = ds/ps;
|
||||
}
|
||||
|
||||
bool OfflineMap::getImageInfo(const QString &path)
|
||||
{
|
||||
QFileInfo ii(_imgPath);
|
||||
@ -112,7 +101,6 @@ OfflineMap::OfflineMap(const QString &fileName, QObject *parent)
|
||||
|
||||
_valid = false;
|
||||
_img = 0;
|
||||
_resolution = 0.0;
|
||||
_zoom = 0;
|
||||
_scale = QPointF(1.0, 1.0);
|
||||
|
||||
@ -190,7 +178,6 @@ OfflineMap::OfflineMap(const QString &fileName, QObject *parent)
|
||||
}
|
||||
|
||||
_inverted = _transform.inverted();
|
||||
computeResolution();
|
||||
|
||||
_valid = true;
|
||||
}
|
||||
@ -203,7 +190,6 @@ OfflineMap::OfflineMap(const QString &fileName, Tar &tar, QObject *parent)
|
||||
|
||||
_valid = false;
|
||||
_img = 0;
|
||||
_resolution = 0.0;
|
||||
_zoom = 0;
|
||||
_scale = QPointF(1.0, 1.0);
|
||||
|
||||
@ -227,9 +213,7 @@ OfflineMap::OfflineMap(const QString &fileName, Tar &tar, QObject *parent)
|
||||
_size = mf.size();
|
||||
_projection = mf.projection();
|
||||
_transform = mf.transform();
|
||||
|
||||
_inverted = _transform.inverted();
|
||||
computeResolution();
|
||||
|
||||
_tarPath = fi.absolutePath() + "/" + fi.completeBaseName() + ".tar";
|
||||
_valid = true;
|
||||
@ -353,7 +337,7 @@ void OfflineMap::draw(QPainter *painter, const QRectF &rect)
|
||||
painter->fillRect(rect, _backgroundColor);
|
||||
}
|
||||
|
||||
QPointF OfflineMap::ll2xy(const Coordinates &c)
|
||||
QPointF OfflineMap::ll2xy(const Coordinates &c) const
|
||||
{
|
||||
if (_ozf.isOpen()) {
|
||||
QPointF p(_transform.map(_projection.ll2xy(c)));
|
||||
@ -362,7 +346,7 @@ QPointF OfflineMap::ll2xy(const Coordinates &c)
|
||||
return _transform.map(_projection.ll2xy(c));
|
||||
}
|
||||
|
||||
Coordinates OfflineMap::xy2ll(const QPointF &p)
|
||||
Coordinates OfflineMap::xy2ll(const QPointF &p) const
|
||||
{
|
||||
if (_ozf.isOpen()) {
|
||||
return _projection.xy2ll(_inverted.map(QPointF(p.x() / _scale.x(),
|
||||
@ -379,17 +363,18 @@ QRectF OfflineMap::bounds() const
|
||||
return QRectF(QPointF(0, 0), _size);
|
||||
}
|
||||
|
||||
qreal OfflineMap::resolution(const QPointF &p) const
|
||||
qreal OfflineMap::resolution(const QRectF &rect) const
|
||||
{
|
||||
Q_UNUSED(p);
|
||||
Coordinates tl = xy2ll((rect.topLeft()));
|
||||
Coordinates br = xy2ll(rect.bottomRight());
|
||||
|
||||
if (_ozf.isOpen())
|
||||
return _resolution / ((_scale.x() + _scale.y()) / 2.0);
|
||||
else
|
||||
return _resolution;
|
||||
qreal ds = tl.distanceTo(br);
|
||||
qreal ps = QLineF(rect.topLeft(), rect.bottomRight()).length();
|
||||
|
||||
return ds/ps;
|
||||
}
|
||||
|
||||
qreal OfflineMap::zoomFit(const QSize &size, const RectC &br)
|
||||
int OfflineMap::zoomFit(const QSize &size, const RectC &br)
|
||||
{
|
||||
if (_ozf.isOpen()) {
|
||||
if (!br.isValid())
|
||||
@ -411,23 +396,7 @@ qreal OfflineMap::zoomFit(const QSize &size, const RectC &br)
|
||||
return _zoom;
|
||||
}
|
||||
|
||||
qreal OfflineMap::zoomFit(qreal resolution, const Coordinates &c)
|
||||
{
|
||||
Q_UNUSED(c);
|
||||
|
||||
if (_ozf.isOpen()) {
|
||||
for (int i = 0; i < _ozf.zooms(); i++) {
|
||||
rescale(i);
|
||||
qreal sr = _resolution / ((_scale.x() + _scale.y()) / 2.0);
|
||||
if (sr >= resolution)
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
return _zoom;
|
||||
}
|
||||
|
||||
qreal OfflineMap::zoomIn()
|
||||
int OfflineMap::zoomIn()
|
||||
{
|
||||
if (_ozf.isOpen())
|
||||
rescale(qMax(_zoom - 1, 0));
|
||||
@ -435,7 +404,7 @@ qreal OfflineMap::zoomIn()
|
||||
return _zoom;
|
||||
}
|
||||
|
||||
qreal OfflineMap::zoomOut()
|
||||
int OfflineMap::zoomOut()
|
||||
{
|
||||
if (_ozf.isOpen())
|
||||
rescale(qMin(_zoom + 1, _ozf.zooms() - 1));
|
||||
|
||||
@ -24,16 +24,17 @@ public:
|
||||
const QString &name() const {return _name;}
|
||||
|
||||
QRectF bounds() const;
|
||||
qreal resolution(const QPointF &p) const;
|
||||
qreal resolution(const QRectF &rect) const;
|
||||
|
||||
qreal zoom() const {return _zoom;}
|
||||
qreal zoomFit(const QSize &size, const RectC &br);
|
||||
qreal zoomFit(qreal resolution, const Coordinates &c);
|
||||
qreal zoomIn();
|
||||
qreal zoomOut();
|
||||
int zoom() const {return _zoom;}
|
||||
int zoomFit(const QSize &size, const RectC &br);
|
||||
int zoomIn();
|
||||
int zoomOut();
|
||||
|
||||
QPointF ll2xy(const Coordinates &c);
|
||||
Coordinates xy2ll(const QPointF &p);
|
||||
QPointF ll2xy(const Coordinates &c)
|
||||
{return static_cast<const OfflineMap &>(*this).ll2xy(c);}
|
||||
Coordinates xy2ll(const QPointF &p)
|
||||
{return static_cast<const OfflineMap &>(*this).xy2ll(p);}
|
||||
|
||||
void draw(QPainter *painter, const QRectF &rect);
|
||||
|
||||
@ -51,6 +52,9 @@ public:
|
||||
{return _transform.map(p);}
|
||||
|
||||
private:
|
||||
QPointF ll2xy(const Coordinates &c) const;
|
||||
Coordinates xy2ll(const QPointF &p) const;
|
||||
|
||||
bool getTileInfo(const QStringList &tiles, const QString &path = QString());
|
||||
bool getImageInfo(const QString &path);
|
||||
bool totalSizeSet();
|
||||
@ -59,7 +63,6 @@ private:
|
||||
void drawOZF(QPainter *painter, const QRectF &rect);
|
||||
void drawImage(QPainter *painter, const QRectF &rect);
|
||||
|
||||
void computeResolution();
|
||||
void rescale(int zoom);
|
||||
|
||||
QString _name;
|
||||
@ -77,7 +80,6 @@ private:
|
||||
QSize _size;
|
||||
|
||||
int _zoom;
|
||||
qreal _resolution;
|
||||
QPointF _scale;
|
||||
|
||||
bool _valid;
|
||||
|
||||
@ -90,7 +90,7 @@ int OnlineMap::limitZoom(int zoom) const
|
||||
return zoom;
|
||||
}
|
||||
|
||||
qreal OnlineMap::zoomFit(const QSize &size, const RectC &br)
|
||||
int OnlineMap::zoomFit(const QSize &size, const RectC &br)
|
||||
{
|
||||
if (!br.isValid())
|
||||
_zoom = _zooms.max();
|
||||
@ -104,29 +104,21 @@ qreal OnlineMap::zoomFit(const QSize &size, const RectC &br)
|
||||
return _zoom;
|
||||
}
|
||||
|
||||
qreal OnlineMap::zoomFit(qreal resolution, const Coordinates &c)
|
||||
{
|
||||
_zoom = limitZoom((int)log2((WGS84_RADIUS * 2.0 * M_PI
|
||||
* cos(deg2rad(c.lat()))) / (resolution * TILE_SIZE)));
|
||||
|
||||
return _zoom;
|
||||
}
|
||||
|
||||
qreal OnlineMap::resolution(const QPointF &p) const
|
||||
qreal OnlineMap::resolution(const QRectF &rect) const
|
||||
{
|
||||
qreal scale = zoom2scale(_zoom);
|
||||
|
||||
return (WGS84_RADIUS * 2.0 * M_PI * scale / 360.0
|
||||
* cos(2.0 * atan(exp(deg2rad(-p.y() * scale))) - M_PI/2));
|
||||
* cos(2.0 * atan(exp(deg2rad(-rect.center().y() * scale))) - M_PI/2));
|
||||
}
|
||||
|
||||
qreal OnlineMap::zoomIn()
|
||||
int OnlineMap::zoomIn()
|
||||
{
|
||||
_zoom = qMin(_zoom + 1, _zooms.max());
|
||||
return _zoom;
|
||||
}
|
||||
|
||||
qreal OnlineMap::zoomOut()
|
||||
int OnlineMap::zoomOut()
|
||||
{
|
||||
_zoom = qMax(_zoom - 1, _zooms.min());
|
||||
return _zoom;
|
||||
|
||||
@ -18,13 +18,12 @@ public:
|
||||
const QString &name() const {return _name;}
|
||||
|
||||
QRectF bounds() const;
|
||||
qreal resolution(const QPointF &p) const;
|
||||
qreal resolution(const QRectF &rect) const;
|
||||
|
||||
qreal zoom() const {return _zoom;}
|
||||
qreal zoomFit(const QSize &size, const RectC &br);
|
||||
qreal zoomFit(qreal resolution, const Coordinates &c);
|
||||
qreal zoomIn();
|
||||
qreal zoomOut();
|
||||
int zoom() const {return _zoom;}
|
||||
int zoomFit(const QSize &size, const RectC &br);
|
||||
int zoomIn();
|
||||
int zoomOut();
|
||||
|
||||
QPointF ll2xy(const Coordinates &c)
|
||||
{return static_cast<const OnlineMap &>(*this).ll2xy(c);}
|
||||
|
||||
@ -119,7 +119,7 @@ QRectF WMTSMap::bounds() const
|
||||
return _bounds.isValid() ? tileBounds.intersected(bounds) : tileBounds;
|
||||
}
|
||||
|
||||
qreal WMTSMap::zoomFit(const QSize &size, const RectC &br)
|
||||
int WMTSMap::zoomFit(const QSize &size, const RectC &br)
|
||||
{
|
||||
if (br.isValid()) {
|
||||
QRectF tbr(_projection.ll2xy(br.topLeft()),
|
||||
@ -142,37 +142,25 @@ qreal WMTSMap::zoomFit(const QSize &size, const RectC &br)
|
||||
return _zoom;
|
||||
}
|
||||
|
||||
qreal WMTSMap::zoomFit(qreal resolution, const Coordinates &c)
|
||||
qreal WMTSMap::resolution(const QRectF &rect) const
|
||||
{
|
||||
Q_UNUSED(c);
|
||||
Coordinates tl = xy2ll((rect.topLeft()));
|
||||
Coordinates br = xy2ll(rect.bottomRight());
|
||||
|
||||
_zoom = 0;
|
||||
qreal ds = tl.distanceTo(br);
|
||||
qreal ps = QLineF(rect.topLeft(), rect.bottomRight()).length();
|
||||
|
||||
for (int i = 0; i < _zooms.size(); i++) {
|
||||
if (sd2res(_zooms.at(i).scaleDenominator) < resolution)
|
||||
break;
|
||||
_zoom = i;
|
||||
}
|
||||
|
||||
updateTransform();
|
||||
return _zoom;
|
||||
return ds/ps;
|
||||
}
|
||||
|
||||
qreal WMTSMap::resolution(const QPointF &p) const
|
||||
{
|
||||
Q_UNUSED(p);
|
||||
|
||||
return sd2res(_zooms.at(_zoom).scaleDenominator);
|
||||
}
|
||||
|
||||
qreal WMTSMap::zoomIn()
|
||||
int WMTSMap::zoomIn()
|
||||
{
|
||||
_zoom = qMin(_zoom + 1, _zooms.size() - 1);
|
||||
updateTransform();
|
||||
return _zoom;
|
||||
}
|
||||
|
||||
qreal WMTSMap::zoomOut()
|
||||
int WMTSMap::zoomOut()
|
||||
{
|
||||
_zoom = qMax(_zoom - 1, 0);
|
||||
updateTransform();
|
||||
|
||||
@ -18,13 +18,12 @@ public:
|
||||
const QString &name() const {return _name;}
|
||||
|
||||
QRectF bounds() const;
|
||||
qreal resolution(const QPointF &p) const;
|
||||
qreal resolution(const QRectF &rect) const;
|
||||
|
||||
qreal zoom() const {return _zoom;}
|
||||
qreal zoomFit(const QSize &size, const RectC &br);
|
||||
qreal zoomFit(qreal resolution, const Coordinates &c);
|
||||
qreal zoomIn();
|
||||
qreal zoomOut();
|
||||
int zoom() const {return _zoom;}
|
||||
int zoomFit(const QSize &size, const RectC &br);
|
||||
int zoomIn();
|
||||
int zoomOut();
|
||||
|
||||
QPointF ll2xy(const Coordinates &c)
|
||||
{return static_cast<const WMTSMap &>(*this).ll2xy(c);}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user