polygon buffers?
Hi Agustin The short answer is not. However this mechanism in somewhat in the plans in something we've called temporalilly "myR" in the sense of R from my application. The "inners" would use the same mecanism and possibilities are to add R capabilities in a customized TerraView and/or call R directly. It has been tested as proof of concept and works as described in the "papers and presentation" section of the aRT page, but polish and expend this is necessary: A Process and Environment for Embedding The R Software into TerraLib P. R. Andrade Neto, P. J. Ribeiro Junior GeoInfo 2005 [pdf, 185k] [presentation, 593k] The email is cc to Pedro, the project maintaner who will be able to provide more details if necessary best P.J.
On Mon, 3 Sep 2007, Agustin Lobo wrote:
Very interesting work, Paulo. Can you display from R on the TerraView window? I dream with a GIS tool (A GIS display tool for R? An R plugging for Qgis? etc) that could display spatial R objects. This is beyond current tools, based on exporting (hence duplicating space and troubles) R objects to other formats. Agus Paulo Justiniano Ribeiro Jr escribi?:
Peter There may be other alternatives, but this is one of the functionalities in an external software (terralib) that the aRT package tries to make usage. The aRT web page has one example: www.leg.ufpr.br/aRT Paulo Justiniano Ribeiro Jr LEG (Laborat?rio de Estat?stica e Geoinforma??o) Universidade Federal do Paran? Caixa Postal 19.081 CEP 81.531-990 Curitiba, PR - Brasil Tel: (+55) 41 3361 3573 Fax: (+55) 41 3361 3141 e-mail: paulojus AT ufpr br http://www.leg.ufpr.br/~paulojus On Sun, 2 Sep 2007, Peter Adler wrote:
Dear R gurus, I am very excited about all the spatials tools in R because they have almost liberated me from ESRI products. One of the last things I have yet to figure out how to do in R is to create buffers around polygons (or just expand polygons). I searched the R-sig-geo archives (using Google) for "polygon buffer" and "transform polygon" but haven't found anything to get me started. Thanks in advance for your ideas, Peter -- Peter Adler Department of Wildland Resources 5230 Old Main Hill Utah State University Logan, UT 84322 tel: (435) 797-1021 / email: peter.adler at usu.edu
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-- Dr. Agustin Lobo Institut de Ciencies de la Terra "Jaume Almera" (CSIC) LLuis Sole Sabaris s/n 08028 Barcelona Spain Tel. 34 934095410 Fax. 34 934110012 email: Agustin.Lobo at ija.csic.es http://www.ija.csic.es/gt/obster