SALOME documentation central

Removing nodes and elements


In MESH you can remove nodes and all types of cells of your mesh.


Removing nodes

To remove a node:

  1. Select your mesh in the Object Browser or in the 3D viewer.

  2. From the Modification menu choose Remove and from the associated submenu select the Remove nodes, or just click "Remove nodes" button in the toolbar.

    image88.gif
    "Remove nodes" button

    The following dialog box will appear:

    removenodes.png

    In this dialog box you can specify one or several nodes:

    • choose mesh nodes with the mouse in the 3D Viewer. It is possible to select a whole area with a mouse frame; or
    • input the node IDs directly in ID Elements field. The selected nodes will be highlighted in the viewer; or
    • apply Filters. Set filter button allows to apply a filter to the selection of nodes. See more about filters in the Selection filter library page.

Note:
Be careful while removing nodes because if you remove a definite node of your mesh all adjacent elements will be also deleted.


Removing elements

To remove an element:

  1. Select your mesh in the Object Browser or in the 3D viewer.

  2. From the Modification menu choose Remove and from the associated submenu select the Remove elements, or just click "Remove elements" button in the toolbar.

    remove_elements_icon.png
    "Remove elements" button

    The following dialog box will appear:

    removeelements.png

    In this dialog box you can specify one or several elements

    • choose mesh elements with the mouse in the 3D Viewer. It is possible to select a whole area with a mouse frame; or
    • input the element IDs directly in ID Elements field. The selected elements will be highlighted in the viewer; or
    • apply Filters. Set filter button allows to apply a filter to the selection of elements. See more about filters in the Selection filter library page.

  3. Click Apply or Apply and Close to confirm deletion of the specified elements.
remove_nodes1.png

The initial mesh

remove_nodes2.png

The mesh with some elements removed


Clearing Mesh Data

To remove all nodes and all types of cells in your mesh at once:

  1. Select your mesh in the Object Browser or in the 3D viewer.

  2. From the Modification menu choose Remove and from the associated submenu select the Clear Mesh Data, or just click "Clear Mesh Data" button in the toolbar. You can also right-click on the mesh in the Object Browser and select Clear Mesh Data in the pop-up menu.
mesh_clear.png
"Clear Mesh Data" button


See Also a sample TUI Script of a Removing Nodes and Elements operation.


Copyright © 2007-2008 CEA/DEN, EDF R&D, OPEN CASCADE
Copyright © 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN, CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS