dem=name DEM that matches feature classification
out=name Output raster layer containing thinned surface features
Jo Wood, Dept. of Geography 19th July, 1995 ------- Modified to include elevation in sites output (conforms with GRASS 4.2 sites API). This allows production of TIN from sites file alone. See also: r.param.scale s.delaunay Jo Wood, 4th September, 1996 ------- Modified to force output of corner cells if required.