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38 lines
1.3 KiB
ReStructuredText
38 lines
1.3 KiB
ReStructuredText
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.. _add_node_on_segment_page:
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*****************
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Cutting triangles
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*****************
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This operation cuts triangles into two by adding a node on an edge bounding these triangles.
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.. image:: ../images/add_node_on_segment.png
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:align: center
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*To cut triangles:*
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.. |img| image:: ../images/mesh_split_diag_interactive.png
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#. Select a mesh and display it in the 3D Viewer.
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#. In the **Modification** menu select the **Add node on segment** item or click *"Add node on segment"* button |img| in the toolbar.
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The following dialog box will appear:
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.. image:: ../images/add_node_on_segment-dlg.png
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:align: center
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#. Enter IDs of nodes forming the edge in the **Edge** field (the node IDs must be separated by a dash) or select the edge in the 3D viewer.
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#. Enter location of a new node on the edge which is defined as a real number in the range between 0.0 and 1.0. You can define it
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* by clicking with your mouse on the edge in the Viewer,
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* by typing a number in a field,
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* by setting a number using arrows of a spin box.
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#. Activate **Preview** to see a result of the operation.
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#. Click the **Apply** or **Apply and Close** button to confirm the operation.
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**See Also** a sample TUI Script of a :ref:`tui_cutting_triangles` operation.
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