Hello, Following to my previous message, i want to clarify one thing regarding my reference vector data (ponctual). I can rasterize it if it's necessary. -- View this message in context: http://osgeo-org.1560.x6.nabble.com/Geostats-tool-bathymetry-tp5067105p5067112.html Sent from the Quantum GIS - User mailing list archive at Nabble.com.