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onDrawFrame Method

Summary

Gets called whenever the Derivative3D is drawing to the current frame.

TypeScript

JavaScript

Derivative3D.prototype.onDrawFrame = function( 
   frame , 
   chunk  
)

   onDrawFrame(frame: SliceFrame, chunk: ChunkData): void;  // protected

frame

A SliceFrame value that references the current frame "slice" or segment from the given URI.

chunk

A ChunkData value that references the "viewport" data for the Derivative3D.

Classes that extend Derivative3D can utilize onDrawFrame to gain information about the SliceFrame and the ChunkData via the parameters.