nemesis wrote:
> stbenge wrote:
>> Basically a proximity pattern is like a gradient indicating the 
>> distance from a surface in 3D space. Imagine making an object pattern 
>> from some object and applying a 3D blur to it. What you get is a fuzzy 
>> representation of your object, but in pattern form. As a special 
>> bonus, the inside edges and vacations end up black, the outside edges 
>> and protrusions end up white, and all the flat parts in between end up 
>> a gray color.
> 
> Sounds like AO.  The occlusion effect is likewise achieved by taking 
> into account surrounding geometry, not angle of incidence or position of 
> light sources.  Your image looks very AO like.

AO and proximity patterns give different results. Proximity patterns can 
give you access to *outside* edge data as well as inside edge data. AO 
just makes inside edges dark. Proximity patterns also make thin objects 
lighter in color, and thicker ones slightly darker. When I combine my 
proximity macros, I'll post examples to this group so you can see for 
yourself how it looks.

Sam

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