I can't understand how the coordinates work. For me they appear like this:
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NW point spec: KSFO>360,100>270,100
SE point spec: KSFO>180,100>090,100
These aren't valid latitude/longitude values.
How can I reduce the size of the image so I can try to download the background image without the HTTP 400 error?
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I also can't understand what kind of coordinates the mkElevMap.py script uses, I tried copy pasting the coordinates generated by the OSM background generator but it gives an error saying ValueError: bad corners. Then I used Google maps to get the latitude/longitude coordinates and used those on the script, it generated the output file that I moved to resources/elev/KSFO.elev but it doesn't seem to work, when I shift-right click it doesn't show anything that I have noticed.
What coordinates should I use on mkElevMap.py?
How do I know the elevation map I added is correct?