geompack


geompack, a Fortran90 code which carries out certain geometric computations, including the convex hull, the Delaunay triangulation and the Voronoi diagram of a set of points in the plane, by Barry Joe.

Licensing:

The information on this web page is distributed under the MIT license.

Languages:

geompack is available in a C version and a C++ version and a Fortran90 version and a MATLAB version and an Octave version.

Related Data and Programs:

geompack_test

dutch, a Fortran90 library which carries out tasks in computational geometry.

geometry, a Fortran90 library which performs geometric calculations in 2, 3 and N dimensional space.

geompack2, a more extensive Fortran90 library, from which GEOMPACK was extracted.

geompack3, a Fortran90 library which handles 3D geometric problems.

sphere_delaunay, a Fortran90 program which computes and plots the Delaunay triangulation of points on the unit sphere.

table_delaunay, a Fortran90 program which reads a file of point coordinates in the TABLE format and writes out the Delaunay triangulation.

triangulation_triangle_neighbors, a Fortran90 program which reads data defining a triangulation, determines the neighboring triangles of each triangle, and writes that information to a file.

Author:

Original Fortran77 version by Barry Joe; This version by John Burkardt.

Reference:

  1. Franz Aurenhammer,
    Voronoi diagrams - a study of a fundamental geometric data structure,
    ACM Computing Surveys,
    Volume 23, Number 3, pages 345-405, September 1991.
  2. Barry Joe,
    GEOMPACK - a software package for the generation of meshes using geometric algorithms,
    Advances in Engineering Software,
    Volume 13, pages 325-331, 1991.

Source Code:


Last revised on 07 August 2023.