Am 06.01.2013 11:09, schrieb Régis Haubourg: > Hi Andreas, > +1 for me. > Tolerance threshold should be square units ( area) for polygon - polygons > intersects, and simple units (length) for line-polygon intersections.
yes > Beyond that, I had in mind to fund a GUI and performance evolution of > spatial query tool. It is not very fast, and user interface is really hard > to understand for simple users. And it is the first feature I use to help > newcomers to understand GIS tools capacities. > It also often fails when using non shp formats, or having bad geometries. We > should couple this tool with a geometry cleaning tool, raising a list of > errors and automated corrections made. So means adding a clean option to > 'check geometry' tool. true - there is a geometry validation tool to detect these invalid geometries but no cleaning tools available. So how do we proceed here. Do you want to start writing a specification for improving the spatial query plugin and the cleaning tools? In my opinion it also should be a core tool in QGIS, not a plugin. These spatial queries are really core GIS functions, not optional extensions. Andreas _______________________________________________ Qgis-developer mailing list Qgis-developer@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-developer