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In addition to simply deleting unwanted parts of a model, this operator is useful for culling primitives from very dense geometry to speed up cooking of nodes downstream.
This operation can also delete profile groups (for example,
0.5 1.2-3.9) and mixed groups (for example,
0 0.5 4-12 1.2-3.9).
causing the remaining hierarchy to update. By deleting the root of a paste hierarchy, the whole hierarchy becomes undone.
Select the object at the object level or components of the object at the geometry level.
Click the Delete tool on the Modify tab.
This tool is mapped to the ⌦ Del key.
This node deletes entries in the Group field and any polygons matching the criteria in the Operation, Entity, and Geometry Type fields.
Subset of the input geometry to delete, in addition to those parts matching the other criteria.
How the rules below affect the geometry.
Delete the geometry that matches the rules below.
Delete the geometry that doesn’t match the rules below.
Delete the points associated with each selected edge.
Type of geometry to delete.
Turns on the controls for this tab and allows you to delete by point/primitive/edge numbers.
How to choose which points/primitives/edges to delete.
Delete by pattern
Delete points/primitives whose numbers match a pattern string. Edges use primitive numbers.
Delete by range
Delete points/primitives whose numbers fall within a certain range, and/or delete every few points/primitives. Edges use primitive numbers.
Delete by expression
Evaluate an expression for each point/primitive and delete it if the expression returns true.
(When Operation is "Delete by pattern") Deletes points/primitives/edges that match this pattern.
(When Operation is "Delete by range") The range of geometry to be deleted.
(When Operation is "Delete by range") Deletes every (number in the left field) points/primitives for every (number in the right field) points/primitives in the input. Edges are ranged by primitive numbers.
Turns on the controls for this tab and allows you to delete entities inside a bounding volume.
Shape of bounding volume.
Delete points/primitives/edges within a bounding box.
Delete points/primitives/edges within a bounding sphere.
Size of the bounding volume.
Center of the bounding volume.
Turns on the controls for this tab and allows you to delete entities based on their normals.
Delete points/primitives/edges with normals pointing in this direction. Use the Spread angle
Angle of deviation from specified direction for which geometry will be deleted.
Specifies a camera. Polygons that face away from the camera are deleted.
Turns on the controls for this tab and allows you to delete degenerate entities.
Delete Degenerate Primitives
Remove repeated references of points and vertices within faces and then delete all degenerate primitives.
Delete Zero-Area Faces
Delete faces with no surface area (that is, a face whose points are all in a line).
Treat Open Faces as Closed
Consider open faces as if they were closed when deciding to delete zero-area faces.
Precision of algorithm used to compute degeneracy and colinearity.
Delete Unused Groups
Remove any groups that are left empty after deleting points/primitives/edges.
By default, if you delete a lot of polygons, the points that are no longer in use are also deleted. Turning on Keep Points will keep these points floating in space.
The number minus one of points or primitives, depending on the "Entity" choice.