Clean
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Clean |
This command lets you quickly repair some invalid items in an invalid shape (generally following an import).
Creation Stages / Use:
Click on the icon or choose the command Surface > Healing > Clean... from the drop down menu.
Choose the shape type that you want to clean:
Shapes: Allows you to select the exact shapes. This mode allows you to select several shapes and the 
icon allows you to select all the exact shapes of the document.
Faceted shapes: Allows you to select faceted shapes (triangular faces meshing) that comes from from an STL or IFC import or converted with the Surface > Other > Conversion into Faceted Shape... command.
This mode allows you to select one shape only.
Indicate the linear and angular tolerance value to comply with when cleaning up the geometry.
Move to the next stage with the 
button.
The number of cleaned shapes is shown, and there is a list to identify them. You can place the cleaned shapes on a particular layer or validate the command with 
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If the All shapes option is used, all the visible shapes will be selected. |
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The cleaning of faceted shapes consist in cleaning the mesh invalidities which size is lower than the given tolerance. The main causes of an invalid meshing are: the triangle height is lower than the tolerance value, a self-intersecting shape or the distance between two vertices is lower than the tolerance value. |
Available Options:
Hide:
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The box allows to hide selected entities during the use of the command, to be able to select other entities more easily, especially those who were behind. |
Optimize:
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Simplify faces: This option allows to increase the level of simplification of the shapes, it allows to reduce the model size, increase preformances and get a better reliability for the coming operations. In return, it may change the topology so you will have to de-activate it if the part becomes invalid. It is recommend to use the same tolerance than for the cleaning (see 2. upper). If the user changes the cleaning tolerance, the simplification tolerance is updated.
Optimize blend faces: This option allows to recognize fillet faces and convert them. |
Advanced options:
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Repair edges: Check this option if you also want to repair the edges of the faces. You then have the ability to specify the tolerance for the edges to comply with. It is recommended to enter a tolerance for edges healing greater or equal to the global cleaning tolerance.
Delete small edges: By checking this option, edges whose length is less than the specified value are deleted. The surface is then rebuilt on the remaining edges.
Delete small topologies: This option is for deleting "micro-surfaces" that could be ignored, considering only the neighboring surfaces to model the shape. Different deleted topologies are:
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