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I want to create a simple, custom projection in proj4. I need it to be completly flat ( rectangular coordinates ). Starts in point (0,0), meters as unit, everything else - as simple as possible. What parameters my definition should have to achieve it?
Am I even able to do it? Ignoring the curvature of the Earth?
Try to use custom EPSG code (starting from 10000 number) and this definition (with a=0 and b=0):
+proj=merc +a=0 +b=0 +lat_ts=0 +lon_0=0 +x_0=0 +y_0=0 +k=1 +units=m +nadgrids=@null +wktext +no_defs
