Figure 9. Dickinsonia, negative hyporelief, Neoproterozoic Rawnsley Quartzite, Flinders Ranges, South Australia. SAM P 39886. 9.1. No enhancement; virtual light from above. 9.2. No enhancement; virtual light from NW. 9.3. No enhancement; extrapolated PTM space; virtual light from +NW. 9.4. Diffuse gain; virtual light from NW. 9.5–9. Specular enhancement; virtual light from various directions.

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PTM file 3.6MB (where to get and how to use the PTM Viewer)