<ul>
<li>\ref removing_nodes_anchor "Nodes"</li>
<li>\ref removing_elements_anchor "Elements"</li>
+<li>\ref clear_mesh_anchor "Clear Mesh Data"</li>
</ul>
<br>
\image html removenodes.png
-In this dialog box you can specify one or several nodes (with pressed
-Shift button) by choosing them in the 3D viewer.
+In this dialog box you can specify one or several nodes
+<ul>
+<li>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</li>
+<li>Applying Filters. The <b>Set filter</b> 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.</li>
+</ul>
</li>
</ol>
\note Be careful while removing nodes because if you remove a definite
node of your mesh all adjacent elements will be also deleted.
-\image html remove_nodes1.png
-
-\image html remove_nodes2.png
-
<br>
\anchor removing_elements_anchor
<h2>Removing elements</h2>
\image html removeelements.png
-In this dialog box you can specify one or several elements of your
-mesh (with pressed Shift button) by choosing them in the 3D viewer.
+In this dialog box you can specify one or several elements
+<ul>
+<li>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</li>
+<li>Applying Filters. The <b>Set filter</b> 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.</li>
+</ul>
</li>
-<li>Click OK or Apply to confirm deletion of the specified elements.</li>
+<li>Click \b Apply or <b>Apply and Close</b> to confirm deletion of the specified elements.</li>
+</ol>
+
+\image html remove_nodes1.png "The initial mesh"
+
+\image html remove_nodes2.png "The mesh with some elements removed"
+
+<br>
+\anchor clear_mesh_anchor
+<h2>Clearing Mesh Data</h2>
+
+<em>To remove all nodes and all types of cells in your mesh at once:</em>
+<ol>
+<li>Select your mesh in the Object Browser or in the 3D viewer.</li>
+
+<li>From the Modification menu choose Remove and from the associated
+submenu select the Clear Mesh Data, or just click <em>"Clear Mesh Data"</em>
+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.
</ol>
-\image html remove_elements1.png
+\image html mesh_clear.png
+<center><em>"Clear Mesh Data" button</em></center>
-\image html remove_elements2.png
<br><b>See Also</b> a sample TUI Script of a
\ref tui_removing_nodes_and_elements "Removing Nodes and Elements" operation.
