I am familiar with XY, XYZ, and XYZM, features but I created a spatial layer in PostgreSQL and added it to my QGIS. When I opened the Vertex Editor it showed me values for XYR and I am not familiar with the R; can anyone tell me what it is? Is it the equivalent of ESRI's M value? I looked for a QGIS forum but their website directed me here.

  • What type of layer was it (point, line, polygon, etc.)? Perhaps this has something to do with curves? – Evil Genius Jan 25 '16 at 20:35

It stands for "radius". It will only usually be populated for curved geoemtry types.

  • Well... that makes sense, thanks for straightening that out for me. – Tyler Veinot Jan 26 '16 at 14:18

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