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Function List:

C++ API

: triplot (tri, x, y)

: triplot (tri, x, y, linespec)

: h = triplot (…)

Plot a 2-D triangular mesh.

tri is typically the output of a Delaunay triangulation over the grid of x, y. Every row of tri represents one triangle and contains three indices into [x, y] which are the vertices of the triangles in the x-y plane.

The linestyle to use for the plot can be defined with the argument linespec of the same format as the plot command.

The optional return value h is a graphics handle to the created patch object.

See also: plot, trimesh, trisurf, delaunay.

Demonstration 1

The following code

 clf;
 old_state = rand ("state");
 restore_state = onCleanup (@() rand ("state", old_state));
 rand ("state", 2);
 N = 20;
 x = rand (N, 1);
 y = rand (N, 1);
 tri = delaunay (x, y);
 triplot (tri, x, y);

Produces the following figure

Figure 1

Package: octave

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