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r.resamp.rst manual: hint added about extent and resolution of computational region

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@66163 15284696-431f-4ddb-bdfa-cd5b030d7da7
Markus Neteler 10 years ago
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raster/r.resamp.rst/r.resamp.rst.html

@@ -6,6 +6,13 @@ This module is intended for reinterpolation of continuous data
 to a different resolution rather than for interpolation from scattered data
 (use the <em>v.surf.*</em> modules for that purpose).
 
+<p>
+The extent of all resulting raster maps is taken from the settings of the
+actual computational region (which may differ from the extent of the input
+raster map). The resolution of the computational region however has to be
+aligned to the resolution of the input map to avoid artefacts.
+
+<p>
 Reinterpolation (resampling) is done to higher, same or lower resolution 
 specified by the <i>ew_res</i> and <i>ns_res</i> parameters.
 <p>All resulting raster maps are created using the settings of the current