X-Git-Url: http://git.salome-platform.org/gitweb/?p=modules%2Fsmesh.git;a=blobdiff_plain;f=doc%2Fsalome%2Fgui%2FSMESH%2Finput%2Fcutting_quadrangles.doc;h=34f26a67dd20a5be6d238176dc7c18b48f537509;hp=52b3b1ea67f3964bd39218281879386845fb70c0;hb=54644afede59730525ebb89f87d5e09b620e329c;hpb=8ae0b0b315d6036bd642bc24d7e2f00e7a8f19d4;ds=sidebyside diff --git a/doc/salome/gui/SMESH/input/cutting_quadrangles.doc b/doc/salome/gui/SMESH/input/cutting_quadrangles.doc index 52b3b1ea6..34f26a67d 100644 --- a/doc/salome/gui/SMESH/input/cutting_quadrangles.doc +++ b/doc/salome/gui/SMESH/input/cutting_quadrangles.doc @@ -2,13 +2,13 @@ \page cutting_quadrangles_page Cutting quadrangles -\n This operation allows cutting one or several quadrangle elements -into two or four triangles. +This operation allows cutting one or several quadrangle elements into two or four triangles. To cut quadrangles: -
    -
  1. Display a mesh, a 2D sub-mesh or a group of faces in the 3D viewer.
    2. -
  2. In the \b Modification menu select the Cutting of quadrangles item or + +1) Select a mesh (and display it in the 3D Viewer if you are going to pick elements by mouse). + +2) In the \b Modification menu select the Cutting of quadrangles item or click "Cutting of quadrangles" button in the toolbar. \image html image82.png @@ -18,50 +18,28 @@ The following dialog box will appear: \image html a-cuttingofquadrangles.png - - - -
    3. -
  3. Click the \b Apply or Apply and Close button to confirm the operation.
    4. -
+- The main list contains the list of quadrangles selected for cutting. You can +click on a quadrangle in the 3D viewer and it will be highlighted (lock Shift +keyboard button to select several quadrangles): + - Click \b Add button and the ID of this quadrangle will be added to the list. + - To remove a selected element or elements from the list click \b Remove button. + - Sort list button allows sorting the list of IDs. + - \b Filter button allows applying a definite \ref filtering_elements "filter" + to the selection of quadrangles. +- Apply to all check box allows cutting all quadrangles of the selected mesh. +- \b Preview provides a preview of cutting in the viewer. It is disabled for Cut into 4 triangles as this cutting way implies no ambiguity. +- \b Criterion defines the way of cutting: + - Cut into 4 triangles allows cutting a quadrangle into four triangles by inserting a new node at the center of the quadrangle. The other options allow cutting a quadrangle into two triangles by connecting the nodes of a diagonal. + - Use diagonal 1-3 and Use diagonal 2-4 allow specifying the opposite corners, which will be connected to form two new triangles. + - Use numeric functor allows selecting in the field below a quality metric, which will be optimized when choosing a diagonal for cutting a quadrangle: + - Minimum diagonal cuts by the shortest diagonal. + - Aspect Ratio cuts by the diagonal splitting the quadrangle into triangles with \ref aspect_ratio_page "Aspect Ratio" closer to 1 + - Minimum Angle cuts by the diagonal splitting the quadrangle into triangles with \ref minimum_angle_page "Minimum Angle" closer to 60 degrees. + - Skew cuts by the diagonal splitting the quadrangle into triangles with \ref skew_page "Skew" closer to 0.0 degrees. +- Select from allows choosing a sub-mesh or an existing group, whose quadrangle elements then can be added to the main list. + +3) Click the \b Apply or Apply and Close button to confirm the operation. \image html image52.jpg "The chosen quadrangular element"