3 \page extrusion_page Extrusion
5 \n Extrusion is a type of surface meshing by generation from
6 discretized lines. It is used to build mesh elements of plus one
7 dimension than the swept ones. Each swept 1D element produces one or
8 more quadrangles (or triangles if one node of a rotated element lays
9 on the revolution axis).
11 <em>To use extrusion:</em>
13 <li>From the \b Modification menu choose the \b Extrusion item or click
14 <em>"Extrusion"</em> button in the toolbar.
16 \image html image91.gif
17 <center><em>"Extrusion" button</em></center>
19 The following dialog box will appear:
21 \image html extrusionalongaline1.png
23 \image html extrusionalongaline2.png
26 <li>In this dialog box you should select:
28 <li>the type of elements which will be extruded (1D or 2D),</li>
29 <li>specify the IDs of the elements which will be extruded by
30 selecting them in the 3D viewer or select the whole mesh or
32 <li>specify the vector along which the elements will be extruded,</li>
33 <li>number of steps.</li>
37 <li>Click the \b Apply or \b OK button.</li>
40 \image html image77.jpg
42 \image html image76.jpg
44 <br><b>See Also</b> a sample TUI Script of an
45 \ref tui_extrusion "Extrusion" operation.