Houdini 20.5 Nodes VOP nodes

Karma Point Cloud Read VOP node

This node opens a point cloud file and searches for points around a source position then returns a value of geometry attribute imported from pointcloud

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Since 20.0

This Karma VOP opens a point cloud file (.pc) and queues up access to the points centered around a certain location.

Parameters

File

The name of the file to load. Point cloud files use the .pc extension, but it is also possible to load geometry files as point clouds.

Position Attribute

The name of the channel in the texture which contains the position to be searched.

Radius Attribute

The name of geometry attribute imported from point cloud file (.pc) to control the radius of influence of each point.

Attribute

The name of geometry attribute imported from point cloud file (.pc).

Number of Points

The maximum number of points that will be returned.

Radius of Search

The maximum radius around ‹P› that should be searched. If you know that all query points will reside within a given radius, you can speed up the search by specifying the radius here.

Radius Scale

The multiplier of radius of influence imported from point cloud per each point.

Linear Falloff

Controls blending between smooth falloff and linear falloff.

Smooth Rolloff

Controls rolloff of smooth falloff.

Blend Mode

There is a list of different blending modes available to mix a point attribute: Average, Max, Add, Screen, Atop.

Inputs

P

The query position. The search for points in the file will begin at this position.

Outputs

result

Returns a value of an attribute imported from point cloud file (.pc)

VOP nodes