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Resampling of point clouds
(PCCResampler)



Short Description

This tool allows to resample point clouds or selections within point clouds. Two modes are available. If the selection flag is true, then only selected points within the point clouds are used. Otherwise the point cloud that is defined in the source field is resampled.
Note: the newly created resampled point clouds have the same VertexDescriptor but old attribute values (apart from flags and position) are not copied into the new point clouds.

Upsampling

(currently only supported in the selection mode)
If the number of points specified by the numPoints field is larger than the number of selected points, then a local regression plane and the corresponding convex hull of the given points is computed. Then, numPoints new points are created within the plane and within the convex hull and added to the point cloud.

Downsampling

(currently only supported in the not selection mode)
If the number of points specified by the numPoints field is smaller than the number of points in the point cloud specified by source, a subset of the point cloud is chosen with size numPoints. This subset of points is used to replace the original point cloud.


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