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3 questions
0
votes
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Why is the azimuthal projection not drawn correctly?
I am using Azimuthal equidistant projection, formulas from wiki
const double R=1000.0;
double calcDist(double phi0, double lamda0, double lamda, double phi)
{
double cos=qSin(phi0)*qSin(phi)+qCos(...
3
votes
0
answers
701
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Loading online OSM raster tiles using URL in custom QGIS application (C++)
I am trying to write a C++ version of a custom QGIS (v 3.10) application I initially wrote in Python that overlays data onto OpenStreetMap. I am able to do this successfully by loading online tiles ...
2
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4
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OSM tiles offline display using c++
I have openstreetmap tiles for offline (png images), how can I display these images (tiles) on my application with zooming and rotation functionality as on openstreetmap.org using c++?