Note: This addon document is for an older version of GRASS GIS that will be discontinued soon. You should upgrade your GRASS GIS installation, and read the current addon manual page.
Reads a raster map, writes to a vector map.
Doesn't check if output map already exists. (fixme)
The category given to the line refers to the row number. (starting with category 0!)
Nulls within a row are skipped, so holes will be filled by a straight line. (fixme) Nulls at the ends of lines are not included in the output line.
Nulls are not handled very well and may sneak through as very negative numbers. (fixme)
g.region raster=elevation.dem r.to.vect.lines.py in=elevation.dem out=wiggle_lines eval `v.info -g wiggle_lines` r.mapcalc "floor = $bottom" nviz elev=floor vector=wiggle_lines # alternative m.nviz.image elevation_map=floor vline=wiggle_lines resolution_fine=1 \ zexag=20 out=wiggle.png perspective=5
Available at: r.to.vect.lines source code (history)
Latest change: Mon Jun 28 07:54:09 2021 in commit: 1cfc0af029a35a5d6c7dae5ca7204d0eb85dbc55
Note: This addon document is for an older version of GRASS GIS that will be discontinued soon. You should upgrade your GRASS GIS installation, and read the current addon manual page.
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