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geometry (version 0.3-2)

mesh.dcircle: Circle distance function

Description

Signed distance from points p to boundary of circle to allow easy definition of regions in distmesh2d.

Usage

mesh.dcircle(p, radius = 1, ...)

Arguments

p
A matrix with 2 columns (3 in mesh.dsphere), each row representing a point in the plane.
radius
radius of circle
...
additional arguments (not used)

Value

  • A vector of length nrow(p) containing the signed distances to the circle

References

http://www-math.mit.edu/~persson/mesh/

P.-O. Persson, G. Strang, A Simple Mesh Generator in MATLAB. SIAM Review, Volume 46 (2), pp. 329-345, June 2004

See Also

distmesh2d, mesh.drectangle, mesh.diff, mesh.intersect, mesh.union

Examples

Run this code
example(distmesh2d)

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