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The increased use of video animations in litigation and the proliferation of companies offering them has led to concerns about animation quality. This paper discusses the types of technical mistakes that may be present in a computer-generated animation and how to identify them. Guidelines for creating accurate animations are given. A functional classification of litigation support animations is suggested as an aid to understanding their use in the courtroom.

A new low light video recording system is described which can be used to document visibility conditions at nighttime accident scenes. The system includes a means for calibrating the recording and playback equipment for the prevailing illumination conditions while on location at an accident scene. Use of a hand-held grey scale chart facilitates calibration of the equipment and provides a visual check during playback. The characteristics, use and adaptability cf the system for a variety of accident reconstruction activities is described.