Hamish wrote: > Hi, > > re. r43805: > > +<p> > +An existing MASK raster map is respected for both reading <em>input</em> > +and writing <em>output</em>. > > is that a newly added feature or documenting an old one? > An old one (absent in grass 3.2, introduced in grass 4.0), but it was not working properly in grass6 because of missing NULL support, unless a MASK used zero and not NULL for masking.
> if new, does it help speed up the very slow searches where there > is no input data? (e.g. when the region contains a large lake or > partial ocean, where there are no contour lines) Yes, it does help speed up (now that NULL cells in a MASK are skipped as intended). Apart from floating point support, I have not added any new features to r.surf.contour. Markus M _______________________________________________ grass-dev mailing list grass-dev@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-dev
