smesh/doc/gui/input/about_quality_controls.rst

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.. _quality_page:
**********************
About quality controls
**********************
**Mesh quality control** 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:
* :ref:`free_nodes_page`
* :ref:`double_nodes_control_page`
Edge quality controls:
* :ref:`free_borders_page`
* :ref:`length_page`
* :ref:`borders_at_multi_connection_page`
* :ref:`double_elements_page`
Face quality controls:
* :ref:`free_edges_page`
* :ref:`free_faces_page`
* :ref:`bare_border_faces_page`
* :ref:`over_constrained_faces_page`
* :ref:`length_2d_page`
* :ref:`deflection_2d_page`
* :ref:`borders_at_multi_connection_2d_page`
* :ref:`area_page`
* :ref:`taper_page`
* :ref:`aspect_ratio_page`
* :ref:`minimum_angle_page`
* :ref:`warping_page`
* :ref:`skew_page`
* :ref:`max_element_length_2d_page`
* :ref:`double_elements_page`
Volume quality controls:
* :ref:`aspect_ratio_3d_page`
* :ref:`volume_page`
* :ref:`max_element_length_3d_page`
* :ref:`bare_border_volumes_page`
* :ref:`over_constrained_volumes_page`
* :ref:`double_elements_page`
To manage the quality controls call pop-up in the VTK viewer and select "Controls" sub-menu
.. image:: ../images/controls_popup.png
:align: center
* **Reset** switches off quality controls;
* **Node Controls** provides access to the node quality controls;
* **Edge Controls** provides access to the edge quality controls;
* **Face Controls** provides access to the face quality controls;
* **Volume Controls** provides access to the volume quality controls;
* **Scalar Bar Properties** allows setting :ref:`scalar_bar_dlg`;
* **Distribution -> Export ...** allows saving the distribution of quality control values in the text file;
* **Distribution -> Show** Shows/Hides the distribution histogram of the quality control values in the VTK Viewer.
* **Distribution -> Plot** Plots the distribution histogram of the quality control values in the Plot 2D Viewer.
**Table of Contents**
.. toctree::
:maxdepth: 2
free_nodes.rst
double_nodes_control.rst
free_borders.rst
length.rst
borders_at_multi_connection.rst
double_elements_control.rst
free_edges.rst
free_faces.rst
bare_border_face.rst
over_constrained_faces.rst
length_2d.rst
deflection_2d.rst
borders_at_multi_connection_2d.rst
area.rst
taper.rst
aspect_ratio.rst
minimum_angle.rst
warping.rst
skew.rst
max_element_length_2d.rst
aspect_ratio_3d.rst
volume.rst
max_element_length_3d.rst
bare_border_volumes.rst
over_constrained_volumes.rst
scalar_bar.rst