Topic: edges

       Note: see also the corresponding keyword edges for additional references.

       i.zc                                                         Zero-crossing  "edge  detection"  raster  function for image
                                                                    processing.

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       © 2003-2016 GRASS Development Team, GRASS GIS 7.0.3 Reference Manual

GRASS 7.0.3                                                                                  topic_edges(1grass)