When to use the X,Y values and when to use the Lat/Long values to project points on a map.

closed as unclear what you're asking by Ian Turton Jan 11 at 18:17

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  • All data on a map has to use the same coordinate reference system. If the map is using a projected CRS (x,y or easting,northing), any data you want to display on the map will also need x,y coordinates. – mkennedy Jan 11 at 19:26
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    X,Y coordinates would be a projected coordinate system, so on a flat plane. Lat/Long are angular measurements and are a Geographic coordinate system measurement. The case for which one to use would be case specific. – Pete Jan 11 at 22:02