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75 lines
3.5 KiB
ReStructuredText
75 lines
3.5 KiB
ReStructuredText
.. _viewing_meshes_overview_page:
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**************
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Viewing meshes
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**************
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By default a just :ref:`compute_anchor` mesh will be
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automatically displayed in the **VTK 3D Viewer**. (You can switch
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off :ref:`automatic_update_pref` preference parameter
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to prevent this.)
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Click **Display only** to hide all other objects at the same time.
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**VTK 3D Viewer** is described in detail in the documentation on **GUI module**.
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Use the following :ref:`mesh_preferences_page`
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to adjust how the mesh is displayed by default:
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* :ref:`automatic_update_pref`
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* :ref:`display_mode_pref`
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* :ref:`quadratic_2d_mode_pref`
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* All parameters of :ref:`mesh_tab_preferences` Preferences dialog.
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After the mesh has appeared in the Viewer, you can select it with
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left mouse click and get information about it, change its
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presentation parameters and access to other useful options by
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right-clicking on the selected mesh.
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.. image:: ../images/dialog.png
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:align: center
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* **Rename** - allows to rename the object in the Object browser.
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* **Hide all** - allows to hide all objects in the viewer.
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* **Update** - refreshes the presentation of your mesh in the Object Browser, applying all recent changes.
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* :ref:`mesh_infos_page` - provides information about the mesh.
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* :ref:`find_element_by_point_page` - allows to find all mesh elements, to which belongs a point with the given coordinates.
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* **Auto Color** - switch on / off auto-assigning colors for the groups. If switched on, a default color of a new group in :ref:`creating_groups_page` dialog is chosen randomly.
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* :ref`:`numbering_page` - allows to display the ID numbers of all meshing elements or nodes composing your mesh in the viewer.
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* :ref:`display_mode_page` - allows to select between Wireframe, Shading and Nodes presentation.
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* :ref:`display_entity_page` - allows to display entities by types (Faces, Edges, Volumes etc.).
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.. _quadratic_2d_mode:
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Quadratic 2D
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============
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* **2D Quadratic** - allows to select between the representation of quadratic edges as broken **lines** or as **arcs**. A default representation can be set in :ref:`quadratic_2d_mode_pref`. Arc representation applies to 1D and 2D elements only.
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* **Orientation of faces** - shows vectors of orientation of faces of the selected mesh. The orientation vector is shown for each 2D mesh element and for each free facet of a 3D mesh element. The vector direction is calculated by the first three nodes of the face produced by vectors n1-n2 and n1-n3.
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* :ref:`colors_size_page` - allows to define several visual properties, including color of elements, shrink size, ...
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* :ref:`transparency_page` - allows to change the transparency of mesh elements.
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* :ref:`quality_page` - graphically presents various information about the mesh.
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* **Hide** - allows to hide the selected mesh from the viewer.
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* **Show Only** - allows to display only the selected mesh, hiding all others from the viewer.
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* :ref:`clipping_page` - allows to create cross-sections of the displayed objects.
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* **Dump view** - exports an object from the viewer in bmp, png or jpeg image format.
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* **Change background** - allows to redefine the background color. By default it is black.
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* **View Operations** - allows to show/hide the visualization toolbar in the Viewer window.
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* **Recording Operations** - allows to show/hide the recording toolbar in the Viewer window.
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.. toctree::
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:maxdepth: 2
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mesh_infos.rst
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find_element_by_point.rst
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numbering.rst
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display_mode.rst
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display_entity.rst
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colors_size.rst
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transparency.rst
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clipping.rst
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