This method must be over-ridden by each concrete subclass to actually render an individual frame.

@abstract @keyword frame {in}{required}{type=long} frame number to render (starts at 0) @keyword nframes {in}{type=long} total number of frames in animation

Draw the animation.

@param view {in}{required}{type=object} IDLgrView, IDLgrScene, or IDLgrViewGroup

Add animator to the animation.

@param animator {in}{required}{type=object} MGgrAnimator object

Free resources.

Initialize object.

@returns 1 for success, 0 otherwise

Define member variables.

@file_comments A MGgrAnimation is a destination for an object graphics hierarchy. MGgrAnimation itself is abstract so a particular concrete subclass of it must be used. @field animators list of animators