geometry tessellate
command
Syntax
- geometry tessellate keyword ... <range>
-
Tessellate nodes. The nodes are tessellated in the current geometry set using the Qhull (http://www.qhull.org) package. Polygons are created in the current set, by default. See the to-set and start-set keywords to output polygons to different geometry sets. If the set keyword is not given, then the current set is used.
- convex-hull
Calculate the convex hull of the nodes in the current geometry set. This keyword is not compatible with the start-set.
- delaunay
Calculate the Delaunay simplices of the nodes of the current geometry set.
- set s
Specify the geometry set.
- start-set s
Each Delaunay simplex or Voronoi region is placed in a unique set. Each set name is a combination of s with the ID of the set post-pended to s. For example, the set with ID = 13 with s = con would have name con13. This keyword cannot be used with the convexhull keyword.
- to-set s
Place the resulting polygons in the set with name s. This set is created if it does not exist.
- voronoi
Calculate the Voronoi regions of the nodes in the current geometry set.
Note
Voronoi regions with points at infinity are skipped when producing the output.
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