How do you know what SRID to use for a shp file?
To elaborate on synecdoche’s answer, the SRID is sometimes called an “EPSG” code. The SRID/EPSG code is a defacto short-hand for the Well-Known-Text representations of projections. You can do a quick search on the SRID table to see if you can find an exact or similar match: SELECT srid, srtext, proj4text FROM spatial_ref_sys WHERE srtext … Read more