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This operation pushes the geometry out from the center. It does so piece-by-piece to create an exploded view of the geometry. This can be useful in visualizing how fractured geometry was broken up, and how the hi-res geometry conforms to the proxy geometry. It also allows to replace the specified hi-res geometry’s proxy geometry representation either as convex decomposition or packed spheres.
The RBD Exploded View also has a Visualize dropdown menu with different options, which lets you change the display of the pieces and constraints. This can be very useful for debugging.
Geometry Outside Proxy
Colors areas red where your geometry is poking out beyond the proxy geometry.
Displays the fracture pieces in different colors.
Gives you a histogram of the volume distribution amongst the pieces.
Strength and stiffness constraints
Lets you visualize the strength values if you have glue constraints, and the stiffness values if you have spring constraints.
The amount to expand the pieces. Each piece is moved proportionally to its distance to the center. A value of 1 will approximately double the size of the object. To undo an outwards scale of 1, an inwards scale of -0.5 can be used.
Applies a random rotation to the pieces.
When on, the constraints will be attached to the exploded pieces.
Constraints generated with the RBD Material Fracture SOP connect centroids together. This mode will snap the constraint points to the centroids of their corresponding piece.
Hinge and other types of constraints connect surface points together - in this case, this mode will give a more accurate representation of where they should connect pieces together.
Creates various visualizers to help debug RBD pieces.
Displays the constraint stiffness values on the constraint geometry.
Displays the constraint strength values on the constraint geometry.
Geometry Outside Proxy
Displays the geometry outside the bounds of the proxy geometry in red.
Displays the geometry name as a random color.
Displays the measured volume of the input geometry.
When visualizing geometry outside proxy, applies this offset to the proxy surface.
Modify Proxy Geometry
Replaces the proxy geometry with a convex decomposition of the specified hi-res geometry.
Replaces the proxy geometry with packed spheres of the specified hi-res geometry.
Specify the hi-res geometry to have its proxy geometry counterpart replaced with convex decomposition or packed spheres representation.
The maximum distance from a point on the geometry to it’s closest convex hull edge. Reducing this value will produce convex hulls that are a closer fit to the input geometry, but the geometry may be split into more segments.
Merge Nearby Segments
After decomposing the geometry, attempt to merge nearby segments that can be combined without violating the Max Concavity. This can be useful for creating proxy geometry that encloses multiple segments.
The size of voxels in the output VDB volume. Surface features smaller than this will not be in the output VDB.
Determines the smallest sphere size in voxel units.
Determines the largest sphere size in voxel units.
No more than this number of spheres are generated per VDB primitive.