The Tetra option allows you to select four locations in any
order to create a tetra element. A tetrahedral element has four tri
faces.
- Method
- From nodes
allows you to select the nodes of the mesh to define new elements. A mesh must be loaded so that nodes can be selected.
- From points
allows you to select the points of the geometry to define new elements. A geometry file must be loaded so that points can be selected.
- From screen
allows you to select any arbitrary location by clicking on the screen.
- Automatic element creation
automatically creates the element after selecting the point, node, or edge, without requiring confirmation by pressing the middle mouse button.