Actually I create a vector polygon using vector digitizing tool. My aim is to shift & rotate the created vector arround some elevated raster map using v.transform and create newvector.
Now I convert newvector polygon to raster suppose rast1. Next generate report by passing two raster- elevated-raster, rast1. After sending this maill I discover that vector area not changes but the converted raster area not same with vector polygon. Thanks & Regards, Swapan On Sun, Mar 17, 2013 at 2:57 AM, Markus Neteler <[email protected]> wrote: > On Fri, Mar 15, 2013 at 8:50 AM, SWAPAN GHOSH <[email protected]> wrote: > > Any body can help me to recover the problem like- > > "Total area of a polygon changes by shifting using v.transform in > > grass6.5" > > If I get the question right: intersect "before" and "after" with v.overlay, > then calculate the resulting area with v.report. > > Markus >
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