X-Git-Url: http://git.salome-platform.org/gitweb/?a=blobdiff_plain;f=doc%2Fsalome%2Fgui%2FSMESH%2Finput%2Fremoving_nodes_and_elements.doc;h=63f2f3bb2b69bd9e924316adbc92af99ae453d07;hb=2742029b9094540c12b9e30bbdb958087e0cb850;hp=6e0f7f804eb404a9360221e45737b5d6f31ccd97;hpb=0635c9fc80f67d1e5dc0e94ec85f487286a92070;p=modules%2Fsmesh.git
diff --git a/doc/salome/gui/SMESH/input/removing_nodes_and_elements.doc b/doc/salome/gui/SMESH/input/removing_nodes_and_elements.doc
index 6e0f7f804..63f2f3bb2 100644
--- a/doc/salome/gui/SMESH/input/removing_nodes_and_elements.doc
+++ b/doc/salome/gui/SMESH/input/removing_nodes_and_elements.doc
@@ -6,6 +6,7 @@
- \ref removing_nodes_anchor "Nodes"
+- \ref removing_orphan_nodes_anchor "Orphan Nodes"
- \ref removing_elements_anchor "Elements"
- \ref clear_mesh_anchor "Clear Mesh Data"
@@ -18,32 +19,58 @@
- 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 Remove nodes, or just click "Remove nodes"
+
- From the Modification menu choose Remove and from the associated
+submenu select the Nodes, or just click "Remove nodes"
button in the toolbar.
-\image html image88.gif
+\image html remove_nodes_icon.png
"Remove nodes" button
The following dialog box will appear:
\image html removenodes.png
-In this dialog box you can specify one or several nodes
+In this dialog box you can specify one or several nodes:
-- Choosing them manually with the mouse in the 3D Viewer. You can
-click on a node in the 3D viewer and it will be highlighted
-- Applying Filters. The Set filter button allows to apply a
-definite filter to selection of the nodes. See more
-about filters on the
-\ref selection_filter_library_page "Selection filter library" page.
+- 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 \ref selection_filter_library_page "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.
+
+\anchor removing_orphan_nodes_anchor
+Removing orphan nodes
+
+There is a quick way to remove all orphan (free) nodes.
+
+To remove orphan nodes:
+
+- 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 in the toolbar.
+
+\image html remove_orphan_nodes_icon.png
+"Remove orphan nodes" button
+
+The following Warning message box will appear:
+
+\image html removeorphannodes.png
+
+Confirm nodes removal by pressing "Yes" button.
+
+
\anchor removing_elements_anchor
Removing elements
@@ -52,8 +79,8 @@ node of your mesh all adjacent elements will be also deleted.
- Select your mesh in the Object Browser or in the 3D viewer.
-- From the \b Modification menu choose \b Remove and from the
-associated submenu select the Remove elements, or just click
+
- From the Modification menu choose Remove and from the
+associated submenu select the Elements, or just click
"Remove elements" button in the toolbar.
\image html remove_elements_icon.png
@@ -65,13 +92,14 @@ The following dialog box will appear:
In this dialog box you can specify one or several elements
-- Choosing them manually with the mouse in the 3D Viewer. You can
-click on an element in the 3D viewer and it will be highlighted
-- Applying Filters. The Set filter button allows to apply a
-definite filter to selection of the elements. See more
-about filters on the
-\ref selection_filter_library_page "Selection filter library" page.
+- 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 "Selection filter library" page.
+
- Click \b Apply or Apply and Close to confirm deletion of the specified elements.
@@ -91,12 +119,19 @@ about filters on the
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.
+Object Browser and select Clear Mesh Data in the pop-up menu.
+
\image html mesh_clear.png
-"Clear Mesh Data" button
-
+"Clear Mesh Data" button
+
+\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 "Removing Nodes and Elements" operation.