tetrahedron_properties, a MATLAB code which computes properties of a tetrahedron in 3D, including the centroid, circumsphere, dihedral angles, edge lengths, face angles, face areas, insphere, quality, solid angles, and volume.


tetrahedron_properties filename
where filename contains the vertex coordinates.


The computer code and data files described and made available on this web page are distributed under the GNU LGPL license.


tetrahedron_properties is available in a C++ version and a FORTRAN90 version and a MATLAB version.

Related Data and Programs:

geometry, a MATLAB code which performs geometric calculations in 2, 3 and n dimensional space.

hypersphere_properties, a MATLAB code which carries out various operations for an m-dimensional hypersphere, including converting between cartesian and spherical coordinates, stereographic projection, sampling the surface of the sphere, and computing the surface area and volume.

polygon_properties, a MATLAB code which computes properties of an arbitrary polygon in the plane, defined by a sequence of vertices, including interior angles, area, centroid, containment of a point, convexity, diameter, distance to a point, inradius, lattice area, nearest point in set, outradius, uniform sampling.


tetrahedron_slice_display, a MATLAB code which determines the intersection between a tetrahedron and a plane and displays the result.

tetrahedrons, a dataset directory which contains examples of tetrahedrons;

triangle_properties, a MATLAB code which computes properties of a triangle whose vertex coordinates are read from a file.

Source Code:

Last revised on 04 April 2019.