X-Git-Url: http://git.salome-platform.org/gitweb/?a=blobdiff_plain;f=doc%2Fsalome%2Fgui%2FSMESH%2Finput%2Fextrusion_along_path.doc;h=e391111d80f48271bdaa8c6c958780dcc9b9b9bb;hb=b03a1e600155a03e2ae01e31960837e51831db70;hp=31174dde2b7de7cd5ce8eb49dc47ca0bd6dcb5a7;hpb=e7c421ee2a70216b7f739e3bb4d484fc60517682;p=modules%2Fsmesh.git diff --git a/doc/salome/gui/SMESH/input/extrusion_along_path.doc b/doc/salome/gui/SMESH/input/extrusion_along_path.doc index 31174dde2..e391111d8 100644 --- a/doc/salome/gui/SMESH/input/extrusion_along_path.doc +++ b/doc/salome/gui/SMESH/input/extrusion_along_path.doc @@ -4,13 +4,14 @@ \n In principle, Extrusion along a path works in the same way as \b Extrusion, the main difference is that we define not a vector, -but a path of extrusion which must be a meshed edge. To get an idea of -how this algorithm works, examine several examples, starting from the -most simple case of extrusion along a straight edge. In all examples -the same mesh will be extruded along different paths and with -different parameters. This sample 2D mesh has two quadrangle faces and -seven edges. Look at the picture, where white digits are the node -numbers and green are the element numbers: +but a path of extrusion which must be a 1D mesh or 1D sub-mesh. +To get an idea of how this algorithm works, examine several examples, +starting from the most simple case of extrusion along a straight edge. +In the examples the sample mesh will be extruded along different +paths and with different parameters. +This 2D mesh has two quadrangle faces and seven edges. Look +at the picture, where white digits are the node numbers and green +are the element numbers: \image html mesh_for_extr_along_path.png @@ -40,29 +41,17 @@ been selected as Start node. \image html curvi_angles_after.png
The same, but using angles {45, 45, 45, 0, -45, -45, -45}
-

Extrusion along a sub-mesh

+

Extrusion of a 2D face along a mesh built on a wire

-In this example the path mesh has been built on a wire (polyline with -six edges). The first edge of the wire was used as Shape (edge), node -#1 as Start node. The angles have been defined as {10, 10, 10}. The -middle edge (#4) of the initial mesh has been extruded. +In this example the path mesh has been built on a wire containing 3 +edges. Node 1 is a start node. Linear angle variation by 180 degrees +has also been applied. -\image html edge_wire_before.png +\image html extr_along_wire_before.png +
Meshed wire
-\image html edge_wire_after.png - -

Extrusion of 2d elements along a sub-mesh

- -This extrusion bases on the same path mesh as in the previous example -but the third edge of the wire was set as Shape (edge) and node -#4 as Start node. Please note, that the extrusion has been done -in direction from node #4 to node #3, i.e. against the wire -direction. In this example both faces of the initial mesh have been -extruded. - -\image html edge_wire_3d_before.png - -\image html edge_wire_3d_after.png +\image html extr_along_wire_after.png +
The resulting extrusion

Extrusion of 2d elements along a closed path

@@ -113,9 +102,8 @@ about filters in the \ref selection_filter_library_page "Selection filter librar
  • define the Path along which the elements will be extruded, \n Path definition consists of several elements:
  • activate Generate Groups checkbox if it is necessary to copy the groups of