<em>To cut quadrangles:</em>
<ol>
-<li>Display a mesh or a submesh in the 3D viewer.</li>
+<li>Display a mesh or a sub-mesh in the 3D viewer.</li>
<li>In the \b Modification menu select the <b>Cutting of quadrangles</b> item or
click <em>"Cutting of quadrangles"</em> button in the toolbar.
list</b> button allows to sort the list of IDs. \b Filter button allows to
apply a definite filter to the selection of quadrangles.</li>
<li><b>Apply to all</b> radio button allows to modify the orientation of all
-quadrangles of the currently displayed mesh or submesh.</li>
+quadrangles of the currently displayed mesh or sub-mesh.</li>
<li>\b Preview - provides a preview of cutting in the viewer.</li>
</ul>
<li><b>Use diagonal 1-3</b> and <b>Use diagonal 2-4</b> allows to
specify the opposite corners which will be connected by the cutting
edge.</li>
-<li><b>Use numeric factor</b> - allows to apply the operation only to
-those objects which meet the chosen criterion (from the list of
-Quality Controls, i.e. Skew, Warping, Minimum Angle, etc.)</li>
+<li><b>Use numeric factor</b> - allows to chose a quality criterion
+ optimization of which will be used to select the cutting edge.</li>
</ul>
</li>
-<li><b>Select from</b> - allows to choose a submesh or an existing
+<li><b>Select from</b> - allows to choose a sub-mesh or an existing
group whose quadrangle elements will be automatically added to the
list.</li>
</ul>
<br><b>See Also</b> a sample TUI Script of a
\ref tui_cutting_quadrangles "Cutting Quadrangles" operation.
-*/
\ No newline at end of file
+*/
<em>To union several triangles:</em>
<ol>
-<li>Display a mesh or a submesh in the 3D viewer.</li>
+<li>Display a mesh or a sub-mesh in the 3D viewer.</li>
<li>In the \b Modification menu select the <b>Union of triangles</b>
item or click <em>"Union of triangles"</em> button in the toolbar.
to sort the list of IDs. The <b>Set filter</b> button allows to apply a
definite filter to selection of triangles.</li>
<li><b>Apply to all</b> radio button allows to modify connectivity and
-type of all triangles of the currently displayed mesh or submesh.</li>
-<li>\b Criterion menu allows to apply the operation only to those
-object which meet the chosen criterion (from the list of Quality
-Controls, i.e. Skew, Warping, Minimum Angle, etc.)</li>
-<li><b>Select from</b> set of fields allows to choose a submesh or an
+type of all triangles of the currently displayed mesh or sub-mesh.</li>
+<li>\b Criterion menu allows to chose a quality criterion
+ optimization of which will be used to select triangles to unite.</li>
+<li><b>Select from</b> set of fields allows to choose a sub-mesh or an
existing group whose triangle elements will be automatically added to
the list.</li>
</ul>