VE7UWU/sdrangel
1
0
Fork 0
mirror of https://github.com/f4exb/sdrangel.git synced 2025-02-03 09:44:01 -05:00
Code Issues Projects Releases Wiki Activity

Add image zoom level for 2D image, although it isn't quite correct.

Browse Source
This commit is contained in:
Jon Beniston 2023-02-16 14:42:29 +00:00
parent 4fa132731b
commit 10ae237b73
1 changed files with 7 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
plugins/channelrx/demodapt/aptdemodimageworker.cpp
View File

@ -706,6 +706,13 @@ void APTDemodImageWorker::sendImageToMap(QImage image)
swgMapItem->setImageTileNorth(m_tileNorth); swgMapItem->setImageTileNorth(m_tileNorth);
swgMapItem->setImageTileSouth(m_tileSouth); swgMapItem->setImageTileSouth(m_tileSouth);
// FIXME: This isn't correct. Possibly need to use different projection
double earthCircumference = 40075016.686;
double latitude = m_tileSouth + (m_tileNorth - m_tileSouth) / 2.0;
double scale = std::cos(Units::degreesToRadians(latitude));
double zoom = std::log2(earthCircumference * scale * selectedChannel.width() / 2926600) - 8;
swgMapItem->setImageZoomLevel(zoom);
MainCore::MsgMapItem *msg = MainCore::MsgMapItem::create(m_aptDemod, swgMapItem); MainCore::MsgMapItem *msg = MainCore::MsgMapItem::create(m_aptDemod, swgMapItem);
messageQueue->push(msg); messageQueue->push(msg);
} }