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Limit the overzoom to max 3 levels

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This commit is contained in:
Martin Tůma 2023-12-10 15:34:39 +01:00
parent 58cd2a826d
commit 6f1f5fd965
1 changed files with 6 additions and 2 deletions
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8
src/map/mbtilesmap.cpp
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@ -9,7 +9,7 @@
#include "osm.h" #include "osm.h"
#include "mbtilesmap.h" #include "mbtilesmap.h"
#define MAX_OVERZOOM 3
#define META_TYPE(type) static_cast<QMetaType::Type>(type) #define META_TYPE(type) static_cast<QMetaType::Type>(type)
static RectC str2bounds(const QString &str) static RectC str2bounds(const QString &str)
@ -88,9 +88,13 @@ bool MBTilesMap::getZooms()
} }
if (_scalable) { if (_scalable) {
for (int i = _zooms.last().base + 1; i <= OSM::ZOOMS.max(); i++) for (int i = _zooms.last().base + 1; i <= OSM::ZOOMS.max(); i++) {
Zoom z(i, _zooms.last().base);
if (z.z - z.base > MAX_OVERZOOM)
break;
_zooms.append(Zoom(i, _zooms.last().base)); _zooms.append(Zoom(i, _zooms.last().base));
} }
}
_zi = _zooms.size() - 1; _zi = _zooms.size() - 1;