#2620: r.neighbours should offer to ignore centre value --------------------------+------------------------------------------------- Reporter: marisn | Owner: grass-dev@… Type: enhancement | Status: new Priority: minor | Milestone: 7.0.1 Component: Raster | Version: 7.0.0 Keywords: r.neighbours | Platform: Unspecified Cpu: Unspecified | --------------------------+-------------------------------------------------
Comment(by glynn): Replying to [comment:3 marisn]: > Second - it is not possible to use weights and circular neighbourhood at the same time (documentation states: "The -c flag and the weights parameter are mutually exclusive.") More accurately, it is not possible to use weight= and an automatically- generated mask (either the circular mask generated by -c or the Gaussian mask generated by gauss= or the square mask generated in the absence of any other applicable option). Nothing prevents weight= from being used to supply a circular mask. However, any automatically-generated mask (whether square, circular or Gaussian) is simply a short-cut whose behaviour could also be obtained by passing the appropriate mask via weight=. So the question isn't about what's possible, but what's possible without providing an explicit weights file. There's no end to the set of masks which could be generated internally; the only question is which ones are common enough to warrant a short-cut. -- Ticket URL: <http://trac.osgeo.org/grass/ticket/2620#comment:4> GRASS GIS <http://grass.osgeo.org> _______________________________________________ grass-dev mailing list grass-dev@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-dev