/*! \page adding_nodes_and_elements_page Adding nodes and elements \n In MESH you can add to your mesh different elements such as: To add a node or an element to your mesh:
  1. Select your mesh in the Object Browser or in the 3D viewer.
  2. From the \b Modification menu choose the \b Add item, the following associated submenu will appear:
  3. \image html image146.png From this submenu select the type of element which you would like to add to your mesh.
See Also sample TUI Scripts of \ref tui_adding_nodes_and_elements "Adding Nodes and Elements" operations.
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Adding nodes

\image html addnode.png In this dialog box set coordinates for your node in the \b Coordinates set of fields and click the \b Apply or Apply and Close button. Your node will be created: \image html add_node.png \note You can also use variables defined in the SALOME \b NoteBook to specify coordinates of the node: \image html addnode_notebook.png
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Adding edges

\image html addedge.png In this dialog box specify the nodes which will form your edge by selecting them in the 3D viewer with pressed Shift button and click the \b Apply or Apply and Close button. Your edge will be created: \image html add_edge.png
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Adding triangles

\image html addtriangle.png In this dialog box specify the nodes which will form your triangle by selecting them in the 3D viewer with pressed Shift button and click the \b Apply or Apply and Close button. Your triangle will be created: \image html add_triangle.png
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Adding quadrangles

\image html addquadrangle.png In this dialog box specify the nodes which will form your quadrangle by selecting them in the 3D viewer with pressed Shift button and click the \b Apply or Apply and Close button. Your quadrangle will be created: \image html add_quadrangle.png
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Adding polygons

\image html addpolygon.png In this dialog box specify the nodes which will form your polygon by selecting them in the 3D viewer with pressed Shift button and click the \b Apply or Apply and Close button. \image html add_polygone.png
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Adding tetrahedrons

\image html addtetrahedron.png In this dialog box specify the nodes which will form your tetrahedron by selecting them in the 3D viewer with pressed Shift button and click the \b Apply or Apply and Close button. Your tetrahedron will be created: \image html image70.jpg
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Adding hexahedrons

\image html addhexahedron.png In this dialog box specify the nodes which will form your hexahedron by selecting them in the 3D viewer with pressed Shift button and click the \b Apply or Apply and Close button. Your hexahedron will be created: \image html image71.jpg
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Adding polyhedrons

\image html a-createpolyhedralvolume.png There are two different ways to add polyhedral volumes. \n If you select \b Node as Elements Type you will specify the nodes which will form the faces of your polyhedron by selecting the nodes in the 3D viewer with pressed Shift button and clicking the \b Add button to add the face in the list of Faces by Nodes, which will form your polyhedron. Note, that it could be very useful to toggle Polyhedron Preview checkbox to see the results of your selection. \n The second way is somewhat simpler, however, there are cases when it does not provide you with the necessary level of precision. If you select \b Face as Elements Type, you will be able to select the faces which will form your polyhedron in the 3D viewer with pressed Shift button. If you've managed to obtain the necessary result, click the \b Apply or Apply and Close button. Your polyhedron will be created: \image html add_polyhedron.png */