Qt - how to map ,map coordinates to image pixel in an scene

Question

I have created an Scene in Qt where i took the an image from open street map[.png] and placed it into the Scene . I have also exported its coordinates in an another file .My Question is how do I map my image pixel with the map coordinates. basically i want to plot the roads in the map into my image .Thank you

Answer 1

here is the answer I was looking for Convert Lat/Longs to X/Y Co-ordinates