vtkQuadricLODActor

Section: Visualization Toolkit Rendering Classes

Usage

vtkQuadricLODActor implements a specific strategy for level-of-detail using the vtkQuadricClustering decimation algorithm. It supports only two levels of detail: full resolution and a decimated version. The decimated LOD is generated using a tuned strategy to produce output consistent with the requested interactive frame rate (i.e., the vtkRenderWindowInteractor's DesiredUpdateRate). It also makes use of display lists for performance, and adjusts the vtkQuadricClustering algorithm to take into account the dimensionality of the data (e.g., 2D, x-y surfaces may be binned into n x n x 1 to reduce extra polygons in the z-direction). Finally, the filter may optionally be set in "Static" mode (this works with the vtkMapper::SetStatic() method). `Enabling Static results in a one time execution of the Mapper's pipeline. After that, the pipeline no longer updated (unless manually forced to do so).

To create an instance of class vtkQuadricLODActor, simply invoke its constructor as follows

  obj = vtkQuadricLODActor

Methods

The class vtkQuadricLODActor has several methods that can be used. They are listed below. Note that the documentation is translated automatically from the VTK sources, and may not be completely intelligible. When in doubt, consult the VTK website. In the methods listed below, obj is an instance of the vtkQuadricLODActor class.