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Exceeding the AO spread limit

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stevenjamestaylor
265 Aufrufe, 1 Antwort

Exceeding the AO spread limit

What I am trying to accomplish- USE AO pass as a mask for a mix shader to control the edge of surface contact.

Limitation I have encountered- I cannot get the spread to move beyond 0-1 and my scene is in meters and massive.

I now think I might need to export all the parts and make a tiny scene and bake the map- but another corner I am in is most of the scene is using aiStandIns for geo.

 

I have tried  and failed at- expression in the spread slot to multiply the range, remap Value node (couldn't figure out a way to connect this)

 

Does anyone know of a way to get the spread to be greater than 1 on the aiAmbientOcclusion shader?

 

Also I know I am doing it wrong but my whole MAYA experience has been one of hacks  :leicht_lächelndes_Gesicht:

plus I think this would be a great hack for dirt grime and intersection effects in shading networks

 

In the image attached - thing is 3000cm from top to bottom- and I was trying to get the roads occlusion to drive the edge of shader mix from gravel to grass- GROK?

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Stephen.Blair
als Antwort auf: stevenjamestaylor

Spread will never be more than 1, it's clamped to that max in the code.

Angular spread around the normal vector N, in the range [0,1], where 1 maps to 90 degrees (the full hemisphere). 1.0 is the most common value. Other values may produce results that are not useful.




// Stephen Blair
// Arnold Renderer Support

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