mesh.diff

mesh.intersect

mesh.union

A matrix with 2 columns (3 in <code>mesh.dsphere</code>), each row
representing a point in the plane.

vectorized function describing region A in the
union / intersection / difference

regionA

vectorized function describing region B in the
union / intersection / difference

regionB

additional arguments passed to <code>regionA</code> and
<code>regionB</code>

Compute the signed distances from points <code>p</code> to a region
defined by the difference, union or intersection of regions
specified by the functions <code>regionA</code> and <code>regionB</code>.
<code>regionA</code> and <code>regionB</code> must accept a matrix <code>p</code>
with 2 columns as their first argument, and must return a vector
of length <code>nrow(p)</code> containing the signed distances of the
supplied points in <code>p</code> to their respective regions.

This package makes the qhull library (www.qhull.org)
    available in R, in a similar manner as in Octave and MATLAB. Qhull
    computes convex hulls, Delaunay triangulations, halfspace
    intersections about a point, Voronoi diagrams, furthest-site
    Delaunay triangulations, and furthest-site Voronoi diagrams. It
    runs in 2-d, 3-d, 4-d, and higher dimensions. It implements the
    Quickhull algorithm for computing the convex hull. Qhull does not
    support constrained Delaunay triangulations, or mesh generation of
    non-convex objects, but the package does include some R functions
    that allow for this. Currently the package only gives access to
    Delaunay triangulation and convex hull computation.

mesh.diff: Difference, union and intesection operation on two regions

Description

Usage

Arguments

Value

See Also