Re: Octave 2.9.14 available for ftp : Qhull ?

[Tatsuro MATSUOKA]

--- Tatsuro MATSUOKA <address@hidden> wrote:
> > Some functions from the geometry package of octave-forge have been
> > moved to core octave by David. 
> 
> Does this means the geometry package of octave-forge no longer to be 
> intsalled ?

Sorry! Again.
It is obious that if the Qhull is introduced, the Geometry Octave-forge 
function need not to be
installed.
Please disregard the previous mail. 

:::David wrote=====
Yes the QHull dependency was added to Octave about one month ago, adding
the functions delaunay, delaunay3, delaunayn, triplot, trimesh, tsearch,
tsearchn, dsearch, dsearchn, voronoi, voronoin, inpolygon, convhull,
convhulln, griddata, griddata3 and griddatan.


Octave-forge Geometry reference
convhull
[octave-forge/main/geometry/inst/convhull.m]
Returns the index vector to the points of the enclosing convex hull.
convhulln
[octave-forge/main/geometry/src/convhulln.cc]
Returns an index vector to the points of the enclosing convex hull.
delaunay
[octave-forge/main/geometry/inst/delaunay.m]
The return matrix of size [n, 3] contains a set triangles which are described 
by the indices to the
data point x and y vector.
delaunay3
[octave-forge/main/geometry/inst/delaunay3.m]
A matrix of size [n, 4] is returned.
delaunayn
[octave-forge/main/geometry/src/delaunayn.cc]
Form the Delaunay triangulation for a set of points.
griddata
[octave-forge/main/geometry/inst/griddata.m]
griddata (X,Y,Z,XI,YI,method)
inpolygon
[octave-forge/main/geometry/inst/inpolygon.m]
For a polygon defined by (XV,YV) points, determine if the points (X,Y) are 
inside or outside the
polygon.
tsearch
[octave-forge/main/geometry/src/tsearch.cc]
For t=delaunay(x,y), finds the index in t containing the points (xi,yi).
tsearchdemo
[octave-forge/main/geometry/inst/tsearchdemo.m]
tsearchdemo
voronoi
[octave-forge/main/geometry/inst/voronoi.m]
plots voronoi diagram of points X,Y.
voronoin
[octave-forge/main/geometry/inst/voronoin.m]
computes n- dimensinal voronoi facets.
__voronoi__
[octave-forge/main/geometry/src/__voronoi__.cc]
Internal function for voronoi.

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