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Summary

This chapter presented the process of converting existing VRML files to BIFS. We saw how to customize VRML files by adding commands to create BIFS-Command files. We also saw how to extract animation data to gener-ate BIFS-Anim files.

Along the way we gave some algorithms to optimize the binary encoding, resulting in small bit-streams along with small distortions in the values. The algorithms lead to optimal representation of data. Depending on the evaluation criterion (the measure) smaller bit-streams may be achieved for the same distortion.


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