Am I missing something? Isn't this the functionality that negative buffer distances gives today?
Martin Davis, Senior Technical Architect Vivid Solutions Inc. www.vividsolutions.com Suite #1A-2328 Government Street Victoria, B.C. V8T 5G5 Phone: (250) 385 6040 - Local 308 Fax: (250) 385 6046 > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of > Stephen Woodbridge > Sent: May 17, 2006 10:06 AM > To: GEOS Development List > Subject: Re: [geos-devel] left and right buffer > > > Hi Martin, > > I think a useful variant of this for polygons it to be able > to specify > inside or outside, so you could effectively grow and shrink > the polygon. > > The "grow" option is great for finding abutters, and I think > the buffer > command today already does this. > > The "shrink" option is great for defining/showing boundary offsets > within a lot that might be needed to insure zoning rules. > > -Steve > > Martin Davis wrote: > > I'm curious what your use case is for this functionality. Can you > > post some sample data that you want L/R buffers for, and perhaps an > > image of what you expect the results to look like? > > > > Martin Davis, Senior Technical Architect > > Vivid Solutions Inc. www.vividsolutions.com > > Suite #1A-2328 Government Street Victoria, B.C. V8T 5G5 > > Phone: (250) 385 6040 - Local 308 Fax: (250) 385 6046 > > > > > > > >>-----Original Message----- > >>From: [EMAIL PROTECTED] > >>[mailto:[EMAIL PROTECTED] On Behalf Of > >>zhangjing > >>Sent: May 17, 2006 12:10 AM > >>To: geos-devel@geos.refractions.net > >>Subject: [geos-devel] left and right buffer > >> > >> > >>hi, > >> > >>Is there any way in GEOS to calculate geometry's left or > >>right buffer ? > >> > >>TIA > >>Jing Zhang > >> > >> > >> > >> > >> > >>_______________________________________________ > >>geos-devel mailing list > >>geos-devel@geos.refractions.net > >>http://geos.refractions.net/mailman/listinfo/g> eos-devel > >> > > > > _______________________________________________ > > geos-devel mailing list > > geos-devel@geos.refractions.net > > http://geos.refractions.net/mailman/listinfo/geos-devel > > > > _______________________________________________ > geos-devel mailing list > geos-devel@geos.refractions.net > http://geos.refractions.net/mailman/listinfo/geos-devel > _______________________________________________ geos-devel mailing list geos-devel@geos.refractions.net http://geos.refractions.net/mailman/listinfo/geos-devel
