Man Page for vtkImageCache Table of Contents NAME vtkImageCache - Caches are used by vtkImageSource . If the cached source descides to generate in pieces, the caches collects all of the pieces into a single vtkImageRegion object. The cache can also save vtkImageData objects between UpdateRegion messages, to avoid regeneration of data. Since regions can be any size or location, caching strategies can be numerous and complex.
Applications can create caches that fit their special needs.
The caches access methods do not make any internal checks to make sure the data is up to date. Update has to be called explicitly. The set methods are used by the source to update the values. These methods do nothing for now. Return flag indicating whether data should be released after use by a filter.