TRIANGLE_DISPLAY is a MATLAB program which plots a triangulation using files associated with Jonathan Shewchuk's triangle() program.
TRIANGLE_DISPLAY reads the node and element files created by the TRIANGLE program, and displays the information. The user controls how "visible" the nodes and elements are; in particular, nodes can be suppressed, or displayed, or displayed and numbered, and the same is true for elements.
TRIANGLE_DISPLAY is essentially a version of TRIANGULATION_DISPLAY modified to read input files that use the TRIANGLE format.
Jonathan Shewchuk provides a program called showme(), which is able to show the same information, and to perform other interesting operations. However, there are at least three reasons why the TRIANGLE_DISPLAY program is useful:
triangle_display ( 'prefix', node_vis, element_vis )where 'prefix' is the common prefix for the node and element files.
TRIANGLE_DISPLAY is available in a MATLAB version.
FEM_BASIS_T3_DISPLAY, a MATLAB program which displays a basis function associated with a linear triangle ("T3") mesh.
FEM_BASIS_T6_DISPLAY, a MATLAB program which reads a quadratic triangle mesh and displays any associated basis function.
GRIDLINES, a MATLAB library which gives the user more control over drawing gridlines on a graph than the builtin "grid on" command.
MESH_DISPLAY, a MATLAB program which reads data defining a polygonal mesh and displays it, with optional numbering.
MPAS_GRID_DISPLAY, MATLAB programs which can read an MPAS NETCDF grid file and display the primary polygonal mesh or the dual triangular mesh.
PLY_DISPLAY, a MATLAB program which displays an image of a 3D graphics file in PLY format;
SHOWME, a C program which uses the X Window library to display triangulatons, by Jonathan Shewchuk.
TRI_SURFACE_DISPLAY, a MATLAB program which reads data defining a triangular mesh of a 3D surface and displays it.
TRIANGLE, a C program which computes a triangulation of a geometric region, by Jonathan Shewchuk.
TRIANGLE_FILES, a data directory of examples of files used by the triangle and showme programs.
TRIANGLE_IO, a MATLAB library which can read or write some of the files created by Jonathan Shewchuk's triangle() program.
TRIANGULATION_DISPLAY, a MATLAB program which reads files defining a triangulation and displays an image.
TRIANGULATION_DISPLAY_OPENGL, a C++ program which reads files defining a triangulation and displays an image using Open GL.
TRIANGULATION_PLOT, a MATLAB program which plots a triangulation as a PostScript file.
GREENLAND is a triangulation of Greenland, using a graded (varying-size) mesh of 33,343 nodes and 64,125 nodes. The resulting image is essentially a red blob the shape of Greenland. However, using the ZOOM tool, it is possible to see interesting details of the mesh.
SQUARE_CIRCLE_HOLE.1 is a square region with a circular hole. 826 nodes and 1517 elements are used.
You can go up one level to the MATLAB source codes.