| triangulate.owin {spatstat.geom} | R Documentation |
Decompose Window into Triangles
Description
Given a spatial window, this function decomposes the window into disjoint triangles. The result is a tessellation of the window in which each tile is a triangle.
Usage
triangulate.owin(W)
Arguments
W |
Window (object of class |
Details
The window W will be decomposed into disjoint triangles.
The result is a tessellation of W in which each tile is a
triangle. All triangle vertices lie on the boundary
of the original polygon.
The window is first converted to a polygonal window using
as.polygonal. The vertices of the polygonal window
are extracted, and the Delaunay triangulation of these vertices
is computed using delaunay. Each Delaunay triangle
is intersected with the window: if the result is not a triangle,
the triangulation procedure is applied recursively to this smaller polygon.
Value
Tessellation (object of class "tess").
Author(s)
Adrian Baddeley Adrian.Baddeley@curtin.edu.au, Rolf Turner rolfturner@posteo.net and Ege Rubak rubak@math.aau.dk
See Also
Examples
plot(triangulate.owin(letterR))