Hei Martin,thank you for your answer. So it seems there is no "debugging" procedure and instead you suggest a data simplification.
I will send you the dataset in a personal email. I have actually now taken a different approach by splitting the datasets and using the Symmetric Difference Function in ArcGIS.
stefan _______________________________________________ jts-devel mailing list [email protected] http://lists.refractions.net/mailman/listinfo/jts-devel
