geometry (version 0.4.5)

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://persson.berkeley.edu/distmesh/

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

# NOT RUN {
example(distmesh2d)
# }

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