Tetrahedron

Tetrahedron() → UnstructuredGrid

Create a pyvista.UnstructuredGrid containing a single Tetrahedron.

This cell corresponds to the pyvista.CellType.TETRA cell type.

Returns:

pyvista.UnstructuredGrid

UnstructuredGrid containing a single Tetrahedron.

Examples

Download Python source code | Download Jupyter notebook

Create and plot a single tetrahedron.

>>> from pyvista import examples
>>> grid = examples.cells.Tetrahedron()
>>> examples.plot_cell(grid)

Static Scene

Interactive Scene

List the grid’s cells.

>>> grid.cells
array([4, 0, 1, 2, 3])

List the grid’s points.

>>> grid.points
pyvista_ndarray([[ 0.35355339, -0.35355339, -0.35355339],
                 [ 0.35355339,  0.35355339,  0.35355339],
                 [-0.35355339,  0.35355339, -0.35355339],
                 [-0.35355339, -0.35355339,  0.35355339]])

>>> grid.celltypes  # same as pyvista.CellType.TETRA
array([10], dtype=uint8)