X-Git-Url: http://git.salome-platform.org/gitweb/?a=blobdiff_plain;f=doc%2Fsalome%2Fgui%2FSMESH%2Finput%2Fremoving_nodes_and_elements.rst;fp=doc%2Fsalome%2Fgui%2FSMESH%2Finput%2Fremoving_nodes_and_elements.rst;h=0000000000000000000000000000000000000000;hb=4cf07a14111e98e8889620ee7e6371574c31a50c;hp=6d7281cfcfecf9b750e2e76caa42048dc9efb70d;hpb=d9f4b53e489dd5857db264ede6acded7b076c9f1;p=modules%2Fsmesh.git diff --git a/doc/salome/gui/SMESH/input/removing_nodes_and_elements.rst b/doc/salome/gui/SMESH/input/removing_nodes_and_elements.rst deleted file mode 100644 index 6d7281cfc..000000000 --- a/doc/salome/gui/SMESH/input/removing_nodes_and_elements.rst +++ /dev/null @@ -1,157 +0,0 @@ -.. _removing_nodes_and_elements_page: - -*************************** -Removing nodes and elements -*************************** - -In MESH you can remove nodes and all types of cells of your mesh. - -* :ref:`removing_nodes_anchor` -* :ref:`removing_nodes_reconnect_anchor` -* :ref:`removing_orphan_nodes_anchor` -* :ref:`removing_elements_anchor` -* :ref:`clear_mesh_anchor` - - - -.. _removing_nodes_anchor: - -Removing nodes -############## - -**To remove a node:** - -.. |rmn| image:: ../images/remove_nodes_icon.png - -#. Select your mesh in the Object Browser or in the 3D viewer. -#. From the **Modification** menu choose **Remove** and from the associated submenu select the **Nodes**, or just click *"Remove nodes"* button |rmn| in the toolbar. - The following dialog box will appear: - - .. image:: ../images/removenodes.png - :align: center - - - 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 **Node IDs** 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 :ref:`selection_filter_library_page` page. - -#. Click **Apply** or **Apply and Close** to confirm deletion of the specified nodes. - -.. note:: - Be careful while removing nodes because if you remove a definite node of your mesh all adjacent elements will be also deleted. - - -.. _removing_nodes_reconnect_anchor: - -Removing node with reconnection -############################### - -This operation removes a node and changes surrounding faces in order to cover a hole appearing in the mesh. This operation applies to 2D triangle mesh only. - - .. image:: ../images/remove_node_reconnection.png - :align: center - -**To remove a node:** - -.. |rmnr| image:: ../images/remove_node_reconnection_icon.png - -#. Select your mesh in the Object Browser or in the 3D viewer. -#. From the **Modification** menu choose **Remove** and from the associated submenu select the **Node with reconnection**, or just click *"Remove node with reconnection"* button |rmnr| in the toolbar. - The following dialog box will appear: - - .. image:: ../images/remove_node_reconnection_dlg.png - :align: center - - - In this dialog box you can specify one node to remove: - - * choose a mesh node with the mouse in the 3D Viewer or - * input the node ID directly in **ID** field. The selected node will be highlighted in the viewer. - - Activate **Preview** to see how faces will change. - -#. Click **Apply** or **Apply and Close** to confirm deletion of the specified node. - - -.. _removing_orphan_nodes_anchor: - -Removing orphan nodes -##################### - -There is a quick way to remove all orphan (free) nodes. - -*To remove orphan nodes:* - -.. |rmon| image:: ../images/remove_orphan_nodes_icon.png - -#. Select your mesh in the Object Browser or in the 3D viewer. -#. From the **Modification** menu choose **Remove** and from the associated submenu select **Orphan Nodes**, or just click *"Remove orphan nodes"* button |rmon| in the toolbar. - The following Warning message box will appear: - - .. image:: ../images/removeorphannodes.png - :align: center - -#. Confirm nodes removal by pressing "Yes" button. - - -.. _removing_elements_anchor: - -Removing elements -################# - -*To remove an element:* - -.. |rme| image:: ../images/remove_elements_icon.png - -#. Select your mesh in the Object Browser or in the 3D viewer. -#. From the **Modification** menu choose **Remove** and from the associated submenu select the **Elements**, or just click *"Remove elements"* button |rme| in the toolbar. - - The following dialog box will appear: - - .. image:: ../images/removeelements.png - :align: center - - 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 :ref:`selection_filter_library_page` page. - -#. Click **Apply** or **Apply and Close** to confirm deletion of the specified elements. - -.. image:: ../images/remove_nodes1.png - :align: center - -.. centered:: - The initial mesh - -.. image:: ../images/remove_nodes2.png - :align: center - -.. centered:: - The mesh with some elements removed - - -.. _clear_mesh_anchor: - -Clearing Mesh Data -################## - -*To remove all nodes and all types of cells in your mesh at once:* - -.. |clr| image:: ../images/mesh_clear.png - -#. Select your mesh in the Object Browser or in the 3D viewer. -#. From the **Modification** menu choose **Remove** and from the associated submenu select the **Clear Mesh Data**, or just click *"Clear Mesh Data"* button |clr| 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. - -.. note:: - This command works in a different way in different situations: - * if the mesh is computed on a geometry, then *Clear Mesh Data* removes all elements and nodes. - * if the mesh is not based on a geometry (imported, compound, created from scratch etc.), then *Clear Mesh Data* removes only the elements and nodes computed by algorithms. If no such elements or nodes have been created, can remove nothing. - -**See Also** a sample TUI Script of a :ref:`tui_removing_nodes_and_elements` operation. - - -