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I would have thought gUnaryUnion, but then I can't understand from the documentation what the difference is between that and gIntersection. -----Original Message----- From: R-sig-Geo [mailto:r-sig-geo-bounces at r-project.org] On Behalf Of...
I've been playing with getting info on and opening geodatabases. I was pleasantly surprised to find that rgdal could examine and open layers from them. But I wonder if it can open non-spatial objects in them? Or if...
We have been happily using rgdal to read and write ESRI Shapefiles. Recently my colleague began using it. We noticed that after saving and reopening files, many polygons had been reconfigured, as if the order of the vertices had become...
> -----Original Message----- > From: Roger Bivand [mailto:Roger.Bivand at nhh.no] > Sent: Thursday, February 18, 2016 12:01 PM > To: Worrall, James -FS <jworrall at fs.fed.us> > Cc: Help R-Sig_Geo <r-sig-geo at r-project.org...
Such a clear and simple explanation - thank you. I wish the function documentation was written like that. -----Original Message----- From: Alex Mandel [mailto:tech_dev at wildintellect.com] Sent: Thursday, February 18, 2016 9:59 AM To: Worrall, James -FS...
Thank you Tom and Roger for your attention to this issue. Here is a link to a zipfile (17 MB). It contains two folders/shapefiles. One is the single big polygon with many holes that I had sent to Tom...
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