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1. Help! How to derive a mask from a "max" style blend node.

   

   Topic by Tacocombo · Jun 2015 · Home› Adobe Substance

   I attached a quick example below. I'm struggling with how to derive a solid one-bit style mask from two heightfields blended using the max style blending. My mockup below is basically approximating some pebbles I want to blend on some sand. But I can't use the original pebble generator as a mask because a lot of the…

2. Re: Help! How to derive a mask from a "max" style blend node.

   

   Reply by Tacocombo · Jun 2015 · Home› Adobe Substance

   Excellent! That is exactly what I needed, thanks so much.

3. Re: Help! How to derive a mask from a "max" style blend node.

   

   Reply by Raane · Jun 2015 · Home› Adobe Substance

   It is a bit of a clumsy method and doesn't work conclusively for all situations.

4. Re: Help! How to derive a mask from a "max" style blend node.

   

   Reply by bugo · Jun 2015 · Home› Adobe Substance

   Here's how I'd do it.

5. Re: Help! How to derive a mask from a "max" style blend node.

   

   Reply by Raane · Jun 2015 · Home› Adobe Substance

   It might be a little clumsy but try using a difference blend between the perlin before and after dots. That should give you a reasonable basis.

6. Re: Help! How to derive a mask from a "max" style blend node.

   

   Reply by bugo · Jun 2015 · Home› Adobe Substance

   Use a divide and the histogram scan, tweak the values and ur gold