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22252: EDF 2684 SMESH: Extrusion along a path with a curvilinear edge

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eap 2013-07-16 13:44:28 +00:00
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doc/salome/gui/SMESH/input/extrusion_along_path.doc
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@ -79,7 +79,7 @@ path</b> item or click <em>"Extrusion along a path"</em> button in the toolbar.
The following dialog common for line and planar elements will appear:
\image html extrusion1.png
\image html extrusion_along_path_dlg.png
</li>
<li>In this dialog:
@ -99,28 +99,31 @@ about filters in the \ref selection_filter_library_page "Selection filter librar
</ul>
</li>
<li>define the Path along which the elements will be extruded,
\n Path definition consists of several elements:
<ul>
<li><b>Mesh or submesh</b> - 1D mesh or sub-mesh, along which proceeds the extrusion</li>
<li><b>Start node</b> - the start node. It is used to define the direction of extrusion </li>
</ul>
<li>define the \b Path along which the elements will be extruded.<br>
Path definition consists of several elements:
<ul>
<li><b>Mesh or submesh</b> - 1D mesh or sub-mesh, along which proceeds the extrusion</li>
<li><b>Start node</b> - the start node. It is used to define the direction of extrusion </li>
</ul>
</li>
<li>activate <b>Generate Groups</b> checkbox if it is necessary to copy the groups of
elements of the source mesh to the newly created one. </li>
elements of the source mesh to the newly created one. </li>
</ul>
</li>
<li>There are two optional parameters, which can be very useful:
<ul>
<li>If the path of extrusion is curvilinear, at each iteration the
extruded shape is rotated to keep its initial angularity to the
curve. By default, the <b>Base Point</b> around which the shape is rotated is
the mass center of the shape, however, you can specify any point as
the <b>Base Point</b> and the shape will be rotated with respect to this
point.
extruded elements are rotated to keep its initial angularity to the
curve. By default, the <b>Base Point</b> around which the elements are rotated is
the mass center of the elements, however, you can specify any point as
the <b>Base Point</b> and the elements will be rotated with respect to this
point.<br>
Note that it is the <b>Base Point</b> who goes exactly along the
path, and all the elements being extruded just keep their relative
position around the <b>Base Point</b> at each iteration.
</li>
<li>The shape can also be rotated around the path to get the resulting
<li>The elements can also be rotated around the path to get the resulting
mesh in a helical fashion. You can set the values of angles at the
right, add them to the list of angles at the left by pressing the <em>"Add"</em>
button and remove them from the list by pressing the <em>"Remove"</em> button.
@ -132,7 +135,7 @@ button and remove them from the list by pressing the <em>"Remove"</em> button.
<center><em>"Remove" button</em></center>
<b>Linear variation of the angles</b> option allows defining the angle of gradual rotation for the whole path.
At each step the shape will be rotated by angle/nb. of steps.
At each step the elements will be rotated by <code>angle / nb. of steps</code>.
</li>
</ul>