Thanks for your feedback Achim Now I did: v.centroids --overwrite input=test...@brazil output=teste01_centr...@brazil cat=1 step=0 Vector map <teste01_centroid> already exists and will be overwritten Processing features... 2 new centroids placed in output map Copying attribute table(s)... Building topology for vector map <teste01_centroid>... Registering primitives... 4 primitives registered 15 vertices registered Building areas... 2 areas built 2 isles built Attaching islands... Attaching centroids... Number of nodes: 4 Number of primitives: 4 Number of points: 0 Number of lines: 0 Number of boundaries: 2 Number of centroids: 2 Number of areas: 2 Number of isles: 2 v.category complete. 2 features modified. (Fri Nov 05 14:23:15 2010) Command finished (0 sec)
and then: v.to.rast --overwrite input=teste01_centr...@braziloutput=teste01centroid@Brazil use=val value=5 I got: Loading data... Pass 1 of 2: Reading areas... Reading features... Writing raster map... Pass 2 of 2: Reading areas... Writing raster map... Converted areas: 2 of 2 Converted points/lines: 0 of 0 v.to.rast complete. And now It seems all OK :) But I do have 1 (last) question: When I use the Query pixel value feature, I get this: 568209.941176|9248338.294118||5|Value 5 Does this means that each pixel has a raster value of 5 right? Because I'm also getting Value 5 and I don't what it is.. Thanks Luisa
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