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Move the world maps bounds limit hack to the propper place

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This commit is contained in:
Martin Tůma 2020-04-19 11:36:17 +02:00
parent 33bbd6a592
commit 08334d7fde
4 changed files with 9 additions and 14 deletions
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6
src/map/IMG/gmap.cpp
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@ -1,6 +1,5 @@
#include <QXmlStreamReader>
#include <QDir>
#include "map/osm.h"
#include "vectortile.h"
#include "gmap.h"
@ -104,11 +103,6 @@ bool GMAP::loadTile(const QDir &dir, bool baseMap)
if (tile->zooms().min() < _zooms.min())
_zooms.setMin(tile->zooms().min());
// Limit world maps bounds so that the maps can be projected using
// the default Web Mercator projection
if (_bounds.height() > 120)
_bounds &= OSM::BOUNDS;
return true;
}

6
src/map/IMG/img.cpp
View File

@ -1,6 +1,5 @@
#include <QMap>
#include <QtEndian>
#include "map/osm.h"
#include "vectortile.h"
#include "img.h"
@ -169,11 +168,6 @@ IMG::IMG(const QString &fileName) : _file(fileName)
tile->markAsBasemap();
}
// Limit world maps bounds so that the maps can be projected using
// the default Web Mercator projection
if (_bounds.height() > 120)
_bounds &= OSM::BOUNDS;
if (!_tileTree.Count())
_errorString = "No usable map tile found";
else

10
src/map/imgmap.cpp
View File

@ -16,6 +16,7 @@
#include "IMG/style.h"
#include "IMG/img.h"
#include "IMG/gmap.h"
#include "osm.h"
#include "pcs.h"
#include "rectd.h"
#include "imgmap.h"
@ -244,6 +245,11 @@ IMGMap::IMGMap(const QString &fileName, QObject *parent)
return;
}
// Limit world maps bounds so that the maps can be projected using
// the default Web Mercator projection
_dataBounds = (_data->bounds().height() > 120)
? _data->bounds() & OSM::BOUNDS : _data->bounds();
_zoom = _data->zooms().min();
updateTransform();
@ -305,7 +311,7 @@ Transform IMGMap::transform(int zoom) const
{
double scale = _projection.isGeographic()
? 360.0 / (1<<zoom) : (2.0 * M_PI * WGS84_RADIUS) / (1<<zoom);
PointD topLeft(_projection.ll2xy(_data->bounds().topLeft()));
PointD topLeft(_projection.ll2xy(_dataBounds.topLeft()));
return Transform(ReferencePoint(PointD(0, 0), topLeft),
PointD(scale, scale));
}
@ -314,7 +320,7 @@ void IMGMap::updateTransform()
{
_transform = transform(_zoom);
RectD prect(_data->bounds(), _projection);
RectD prect(_dataBounds, _projection);
_bounds = QRectF(_transform.proj2img(prect.topLeft()),
_transform.proj2img(prect.bottomRight()));
}

1
src/map/imgmap.h
View File

@ -63,6 +63,7 @@ private:
Projection _projection;
Transform _transform;
QRectF _bounds;
RectC _dataBounds;
bool _valid;
QString _errorString;