Comparing 2D and 3D information layout adjustment tools leads directly to a 3D visual access tool that clears a line of sight to any region of interest.

This paper discusses visual information representation from the perspective of human Comprehension. The distortion viewing paradigm is an appropriate focus f o r this discussion as its motivation has always been to create more understandable displays. While these techniques are becoming increasingly popularfor exploring images that are larger than the available screen space, in fact users sometinies report confusion and disorientation. We provide an overview of structural changes made in response to this phenonienon and examine methodsfor incorporating visual cues based on human perceptual skills.

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We describe a novel solution to the problem of occlusion in viewing three-dimensional data. A distortion function is used to clear a line of sight to previously obscured interior elements.