I have created a vector which is a connection to Sql Server. I then select Vector > Geometry Tools > Voronoi Polygons. I select my input layer and a temporary file for my Voronoi polygons. I get the float division by zero error and the file is empty that is supposed to be created. I am new to QGIS and am baffled as to what I am doing wrong. I have used the Check Validity menu item and the geometry in the input layer is valid. Also where do I get to select the grouping for my input data for the polygons generated ?. Any ideas anyone?
I should add that I get the same error for Delaunay triangulation algorithm. There is something I am missing but I an unaware of what it is.