Viewing meshes

By default a just Computing the mesh mesh will be automatically displayed in the VTK 3D Viewer. (You can switch off Automatic Update preference parameter to prevent this.) Click Display only to hide all other objects at the same time.

VTK 3D Viewer is described in detail in the documentation on GUI module.

Use the following Mesh preferences to adjust how the mesh is displayed by default:

After the mesh has appeared in the Viewer, you can select it with left mouse click and get information about it, change its presentation parameters and access to other useful options by right-clicking on the selected mesh.

  • Rename - allows to rename the object in the Object browser.
  • Hide all - allows to hide all objects in the viewer.
  • Update - refreshes the presentation of your mesh in the Object Browser, applying all recent changes.
  • Mesh Information - provides information about the mesh.
  • Find Element by Point - allows to find all mesh elements, to which belongs a point with the given coordinates.
  • Auto Color - switch on / off auto-assigning colors for the groups. If switched on, a default color of a new group in Creating groups dialog is chosen randomly.
  • :ref`:numbering_page - allows to display the ID numbers of all meshing elements or nodes composing your mesh in the viewer.
  • Display Mode - allows to select between Wireframe, Shading and Nodes presentation.
  • Display Entity - allows to display entities by types (Faces, Edges, Volumes etc.).

Quadratic 2D

  • 2D Quadratic - allows to select between the representation of quadratic edges as broken lines or as arcs. A default representation can be set in Quadratic 2D preferences. Arc representation applies to 1D and 2D elements only.
  • 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.
  • Properties - allows to define several visual properties, including color of elements, shrink size, ...
  • Transparency - allows to change the transparency of mesh elements.
  • About quality controls - graphically presents various information about the mesh.
  • Hide - allows to hide the selected mesh from the viewer.
  • Show Only - allows to display only the selected mesh, hiding all others from the viewer.
  • Clipping - allows to create cross-sections of the displayed objects.
  • Dump view - exports an object from the viewer in bmp, png or jpeg image format.
  • Change background - allows to redefine the background color. By default it is black.
  • View Operations - allows to show/hide the visualization toolbar in the Viewer window.
  • Recording Operations - allows to show/hide the recording toolbar in the Viewer window.

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