Point Cache

 
 
 

MotionBuilder supports models with Point caching. A model’s Point cache files are stored in the Scene browser’s Deformer folder.

You can record point cache information using the record button located in the models' pane. You can also set various playback parameters such as play, speed, start/end times, etc which you can edit via the Resources' Properties pane.

Point cache data is not stored within the .fbx files but rather within .xml or .pc2 files. The data is loaded into memory on demand.

MotionBuilder point cache IO system uses the same Cache library as Maya and has its own memory/disk paging system.

A model’s Point cache files are stored in the Scene browser’s Deformer folder.

To deactivate a Point cache deformation:

  1. In the Navigator window, expand the Deformer folder.
  2. Double-click the Point Cache deformation.
  3. In the Resources' Properties window, disable the Point Cache deformation’s Active option.

Point Cache limitations

You cannot see the FCurve information about vertices on the model as the Point cache information streams directly from the .mc file.

Because Point caching overwrites the object’s other deformers, you are unable to modify an object’s skin in the Skins window.

If you are exporting from Maya or 3ds Max and activate the Split mesh for per-vertex normals option in the FBX Exporter window, this may create problems with Point caching.

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