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+/*!
+
+\page about_quality_controls_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 1D, 2D and 3D quality controls.
+
+1D mesh quality controls:
+<ul>
+<li>\ref free_borders_page "Free borders"</li>
+<li>\ref borders_at_multi_connection_page "Borders at multi-connection"</li>
+<li>\ref length_page "Length"</li>
+</ul>
+
+2D mesh quality controls:
+<ul>
+<li>\ref free_edges_page "Free edges"</li>
+<li>\ref length_2d_page "Length 2D"</li>
+<li>\ref borders_at_multi_connection_2d_page "Borders at multi-connection 2D"</li>
+<li>\ref area_page "Area"</li>
+<li>\ref taper_page "Taper"</li>
+<li>\ref aspect_ratio_page "Aspect ratio"</li>
+<li>\ref minimum_angle_page "Minimum angle"</li>
+<li>\ref warping_page "Warping"</li>
+<li>\ref skew_page "Skew"</li>
+</ul>
+
+3D mesh quality controls:
+<ul>
+<li>\ref aspect_ratio_3d_page "Aspect ratio 3D"</li>
+<li>\ref volume_page "Volume"</li>
+</ul>
+
+*/
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