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43 lines
1.4 KiB
ReStructuredText
43 lines
1.4 KiB
ReStructuredText
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.. _create_dual_mesh_page:
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****************
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Create Dual Mesh
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****************
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We can create the dual of a Tetrahedron Mesh which will be a polyhedron mesh.
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The Mesh is created using MEDCoupling computeDualMesh function.
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*To create a dual mesh:*
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.. |img| image:: ../images/create_dual_mesh_icon.png
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From the contextual menu in the Object Browser of from the **Mesh** menu select
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**Create Dual Mesh** or click *"Create Dual Mesh"* button |img| in the toolbar.
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The following dialog box will appear:
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.. image:: ../images/create_dual_mesh_dlg.png
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:align: center
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In the dialog:
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* specify the mesh for which to create the dual mesh:
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* **Select whole mesh** from the study tree. If a mesh was selected before calling function it will be preselected.
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* If the mesh is not made of only Tetrahedrons a error message will be displayed and you won't be allowed to go through.
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* specify the **New Mesh Name**;
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* activate **Project boundary elements on shape** for the boundary points of the
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dual mesh to be projected on their associated shape.
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* Click **Apply** or **Apply and Close** button to confirm the operation.
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----------------------------
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Limitations of the dual mesh
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----------------------------
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Only 2d groups will be transferred to the dual mesh.
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If you have convex shape the projection might not improve the mesh.
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**See Also** a sample script of :ref:`tui_create_dual_mesh`.
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