On Feb 23, 2010, at 12:37 PM, [email protected] wrote:
> Date: Tue, 23 Feb 2010 09:46:13 -0800 (PST) > From: Rich Shepard <[email protected]> > Subject: [GRASS-user] v.overlay Limited In wxPython GUI > To: [email protected] > Message-ID: <[email protected]> > Content-Type: TEXT/PLAIN; format=flowed; charset=US-ASCII > > I tried to extract the streams within a specific drainage basin using the > wxPython GUI and the v.overlay function. It fails because it assumes the > operation is 'or' (set UNION) and does not permit the user to select a > different operator. > > To write only those streams within the named basin to an output file > requires the set operator INTERSECT, or 'and.' I did not see anywhere on the > GUI window tabs where the operator could be selected. If I missed it, please > point that out to me. Else, consider adding a widget to select the operator. > > Rich > I just looked at this in GRASS 7 and there is a pull down choice control for "operator defines features written to output vector map:" The pull-down lists and, or, not, and xor. Is this missing on GRASS 6.4? Michael_______________________________________________ grass-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-user
