Hello Walter If you just want do examine the m-values you can dump the points with st_dumppoints and use st_m on the result.
If you want to filter rendering based on effective area you have to do that client side. I have thought about a function doing such filtering in PostGIS, but haven't done it, and I don't think any other function can do that. regards Nicklas Avén > how can i access the M-Part of an object other than Point? ST_M is > only > for points but i'm working with linestrings and polygons.eRegards > > walter > > _______________________________________________ > postgis-users mailing list > [email protected] > https://lists.osgeo.org/mailman/listinfo/postgis-users _______________________________________________ postgis-users mailing list [email protected] https://lists.osgeo.org/mailman/listinfo/postgis-users
