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<br>Frank wrote:<br><br>> My contour map is a combinatin of a national contour line map (5m vert. <br>> resolution) and contours from SRTM with 20m vert. resolution. I created a <br>> "hole" in the srtm contours for the national contour map and patched both <br>> together to avoid large gaps with no height values (mostly for <br>> r.surf.contour)<br>> My region is 17.000 x 13.000 cells wide (5m horiz. resolution).<br><br>I had good results interpolating 5m contours with v.surf.rst, but I spent some time adjusting the parameters to get a smooth surface.<br>IMHO You have a too big region to make this kind of computation and to use that resolution, later you will get more problens with the size of the data. Maybe you can use a lower resolution for large maps and a better resolution for specif areas of interest.<br><br>> If necessary I can illustrate my efforts by creating a web page or similar <br><br>If you tell the final purpose of this work maybe we can find a better solution.<br><br>Regards.<br>Pablo.<br> <br /><hr />Quer navegar na Internet sem medo? <a href='http://go.microsoft.com/?linkid=9707132' target='_new'>Instale grátis o Internet Explorer 8.</a></body>
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