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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(...
andrew13121312's user avatar
3 votes
0 answers
701 views

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 ...
skew_t_pie's user avatar
2 votes
4 answers
6k views

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++?
UkrMan2016's user avatar