/*! \page uniting_two_triangles_page Uniting two triangles \n In MESH you can union two neighboring triangles (cells) by deletion of the common edge. To unite two triangles:
  1. From the \b Modification menu choose the Union of two triangles item or click "Union of two triangles" button in the toolbar. \image html image71.png
    "Union of two triangles" button
    The following dialog box shall appear: \image html unionoftwotriangles.png
  2. Enter the ID of the required edge in the \b Edge field or select this edge in the 3D viewer.
  3. Click the \b Apply or Apply and Close button.
\image html uniting_two_triangles1.png "The selected triangles" \image html uniting_two_triangles2.png "The union of two triangles"
See Also a sample TUI Script of a \ref tui_uniting_two_triangles "Uniting Two Triangles" operation. */