s.delaunay

NAME

s.delaunay - Program to create a vector delaunay triangulation from a sites file. Delaunay triangualtion is based on the 'hull' software, by Ken Clarkson (clarkson@research.att.com).

SYNOPSIS

s.delaunay [-v] in=name out=name [zscale=value]

OPTIONS

Flag:

-v: Create VRML 1.0 output

Parameters:

in: Sites file to process
out: Vector map layer to contain delaunay triangulation.
zscale: Vertical scaling of elevation.; Default: 1.0

TO DO

Constrain triangulation along channels and ridges.

AUTHOR

Jo Wood, Department of Geography. 19th July, 1995.

NOTES

Modified to use the GRASS 4.2 sites API. Allows x,y,z,attribute format for sites files. This enables a single sites file to carry all necessary information for TIN construction.

Modified to allow VRML 1.0 output as indexed face set.

Jo Wood, 4th September, 1996

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Modified to allow vertical scaling of elevation values.

Jo Wood, 23rd July, 1997

Last modified, 3rd August, 1997
jwo@le.ac.uk