Houdini 20.5 Nodes Geometry nodes

VDB Points Group geometry node

Manipulates the Internal Groups of a VDB Points Primitive.

Since 16.0

The VDB Points Group SOP acts as a Group SOP for the points inside of a VDB Points primitive. It can create an manipulate these internal groups. The generated group can then be used to selectively unpack a subset of the points in a later Convert VDB Points.

Parameters

Group

VDB Points primitives to alter the groups within.

VDB Points Group

Specify an existing internal group in the VDB Points primitive to use as a starting point for creating a new group.

Create

Enable

Enable creation of the group.

Group Name

The name of the internal group to create.

Number

Enable

Enable filtering by number.

Mode

How to filter out a subset of the points inside the VDB Points.

Percent

What percentage of points to include in the group.

Count

The total number of points to include in the group.

Attribute Seed

Point attribute to use as a seed for percent filtering.

Bounding

Enable

Enable filtering by a bounding box.

Mode

Whether to filter by a box or an object.

Name

Name of the bounding geometry.

Size

Size of the bounding box.

Center

Center of the bounding box.

SDF

Enable

Enable filtering by SDF.

Name

The name of the SDF to filter by.

SDF Minimum

SDF Minimum value.

SDF Maximum

SDF Maximum value.

Invert

Invert the sense of the SDF.

See also

Geometry nodes