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Geometry in the Project Settings dialog enables the geometry repair settings to be defined throughout the project.

To display the settings, select the Geometry page in the Project Settings dialog.

Automatically Translate Large Coordinates

Clicking on this feature allows you to translate large coordinates of the model to the origin. This solves potential problem with rendering artifacts and you are faced with unexpected geometry processing result. More description of this feature is shown in Mining Coordinates (Large coordinates).

Geometry Cleaning

Fill Holes Smoothly

Non-smooth filling will generate a simple patch, with no attempt to match the shape at the boundary; this setting will optimize the shape of the new triangles, and the area of the new patch. Smooth hole filling attempts to match the shape of the geometry at the boundary of the hole.

Smoothness (Parametric Continuity)

[This is only available when smoothly filling holes.] This attempts to preserve the derivatives of the surface around the boundary of the hole.

0: 0: The filled patch will touch the hole boundary.

  • 1: 1: The filled patch will match the first derivative at the hole boundary.

2: 2: The filled patch will match the second derivative at the hole boundary.


Feature Preservation:

• High (Option)

• Strict detail preservation, regardless of quality (e.g. can preserve near degenerate, sliver triangles)

• Medium (Option)

• The processed geometry may lose some details as it attempts to reduce the amount of bad triangles

• Low (Option)

• Re-triangulate with little constraints, which can result in obvious alteration, usually for simplifying geometry

Patch Angle Tolerance:

• Ranges from 0.0 to 45 degree

• The higher the value the higher the discrepancy between original and re-triangulated geometry (High: 0.01, Medium: 1.0, Low: 20.0)


• Auto (Option)

• Program automatically determines the resolution based on selected geometry

• Custom (Option)

• User defined value, ranging from 10 to 10000, with default set at 100

• Defines the target size of triangle relative to the bounding box of the geometry:
Box Diagonal/Resolution

• The higher the number the finer the triangulation


Tolerance Options:(High, Medium, Low)

If two objects overlap at certain tolerable value, then they are defined to be self-intersecting. Depending on the option, you can decide to apply intersecting geometry fixes without modifying the original model too much. Use a low tolerance option if you don't want to modify the geometry too much; use a high tolerance if the geometry is particularly bad.

Intersect Tolerance (Custom) (in meters)

For customized setting, you can define a specified value that can be defined as self-intersecting. The same rule applies here as with tolerance option: the larger this value is, the more self-intersections the tool will find. Use a smaller value if you don't want to modify the geometry too much; use a larger value if the geometry is particularly bad.

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