This question already has answers here: How to convert from UTM to LatLng in python or Javascript (13 answers)
I have a GPS-coordinate in WGS84 that I would like to 开发者_如何学Ctransform to a map-projection coordinate in SWEREF99 TM using PROJ.4 in Java or Proj4js in JavaScript.
Im having little trouble finding a relation between the movement at centre and edge of a circle, Im doing for panning world map,my map extent is 180,89:-180,-89, my map pans by adding change(dx,dY) to
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