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\page quality_page About quality controls

\n <b>Mesh quality control</b> in MESH is destined for visual control of the generated mesh.

Application of a definite quality control consists of usage of the
corresponding algorithm, which calculates a value of a definite
geometric characteristic (Area, Length of edges, etc) for all meshing
elements, composing your mesh. Then all meshing elements are colored
according the calculated values. The reference between the coloring of
the meshing elements and these calculated values is shown with the
help of a scalar bar, which is displayed near the presentation of your
mesh.

There are four types of quality controls, corresponding to node, edge,
face and volume entity type.

Node quality controls:
<ul>
<li>\subpage free_nodes_page "Free nodes"</li>
<li>\subpage double_nodes_control_page "Double nodes"</li>
</ul>

Edge quality controls:
<ul>
<li>\subpage free_borders_page "Free borders"</li>
<li>\subpage length_page "Length"</li>
<li>\subpage borders_at_multi_connection_page "Borders at multi-connection"</li>
<li>\subpage double_elements_page "Double edges"</li>
</ul>

Face quality controls:
<ul>
<li>\subpage free_edges_page "Free edges"</li>
<li>\subpage free_faces_page "Free faces"</li>
<li>\subpage bare_border_faces_page "Bare border faces"</li>
<li>\subpage over_constrained_faces_page "Over-constrained faces"</li>
<li>\subpage length_2d_page "Length 2D"</li>
<li>\subpage borders_at_multi_connection_2d_page "Borders at multi-connection 2D"</li>
<li>\subpage area_page "Area"</li>
<li>\subpage taper_page "Taper"</li>
<li>\subpage aspect_ratio_page "Aspect ratio"</li>
<li>\subpage minimum_angle_page "Minimum angle"</li>
<li>\subpage warping_page "Warping"</li>
<li>\subpage skew_page "Skew"</li>
<li>\subpage max_element_length_2d_page "Element Diameter 2D"</li>
<li>\ref double_elements_page "Double faces"</li>
</ul>

Volume quality controls:
<ul>
<li>\subpage aspect_ratio_3d_page "Aspect ratio 3D"</li>
<li>\subpage volume_page "Volume"</li>
<li>\subpage max_element_length_3d_page "Element Diameter 3D"</li>
<li>\subpage bare_border_volumes_page "Bare border volumes"</li>
<li>\subpage over_constrained_volumes_page "Over-constrained volumes"</li>
<li>\ref double_elements_page "Double volumes"</li>
</ul>

To manage the quality controls call pop-up in the VTK viewer and select "Controls" sub-menu
\image html controls_popup.png

<ul>
<li> <b>Reset</b> switches off quality controls;</li>
<li> <b>Node Controls</b> provides access to the node quality controls;</li>
<li> <b>Edge Controls</b> provides access to the edge quality controls;</li>
<li> <b>Face Controls</b> provides access to the face quality controls;</li>
<li> <b>Volume Controls</b> provides access to the volume quality controls;</li>
<li> <b>Scalar Bar Properties</b> allows setting \subpage scalar_bar_dlg;</li>
<li> <b>Distribution -> Export ...</b> allows saving the distribution of quality control values in the text file;</li>
<li> <b>Distribution -> Show </b> Shows/Hides the distribution histogram of the quality control values in the VTK Viewer.</li>
<li> <b>Distribution -> Plot </b> Plots the distribution histogram of the quality control values in the Plot 2D Viewer.</li>
</ul>


*/