[R-sig-Geo] Delimit a polygon for the region which is>, 1000 m from my raster altitude
sadaoui
sadaouimahrez at outlook.com
Sat May 2 23:10:36 CEST 2015
Thank you "Robert Hijmans",
it works with this function ;
shapefile(pol3, "polygon3.shp")
but I want to have the corresponding data to this shapefile.
I tried, as did you say :
"or use the SpatialPolygons object to create a SpatialPolygonsDataFrame
and then use writeOGR (that is what the shapefile function does for
you). "
I tried to follow this solution :
http://gis.stackexchange.com/questions/61633/r-convert-a-spatial-polygon-objet-to-spatial-polygon-data-frame
but I can not convert the spatial polygon to SpatialPolygonsDataFrame. sorry
i am a beginner in this field.
thank you
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