kunz Difference between revisions of "Live 2022.09.04"

Difference between revisions of "Live 2022.09.04"

From kunz
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== Solaris Karma MaterialX Surface Shader Blending ==
== Solaris Karma MaterialX Surface Shader Blending ==
[[File:Screenshot_at_2022-09-29_11-54-26.png | 960px]]
[[File:Screen_Shot_2022-10-20_at_7.13.22_PM.png | 960px]]
[[File:Screen_Shot_2022-10-20_at_7.13.22_PM.png | 960px]]



Revision as of 09:33, 21 October 2022

Solaris Karma MaterialX Surface Shader Blending

Screenshot at 2022-09-29 11-54-26.png

Screen Shot 2022-10-20 at 7.13.22 PM.png

Scene File

Download 2022_09_02_karma_particle_basics.hiplc

Summary

https://autodesk.github.io/standard-surface/

https://www.sidefx.com/docs/houdini/nodes/vop/mtlxstandard_surface.html

Shader Details

The final shader uses the standard surface with diffuse, specular, SSS, thin-walled and opacity.

The colors are also controlled in the shader. We start with the color attribute, which is the relative bounding box position of the particles before they're shifted through the noise in this case. This attribute is then fed through a noise function and finally a ramp. This allows for quick adjustments to be made all in the shader manipulating distribution of the final color output. This color output is used to drive the diffuse and SSS components of the surface shader. This gives a nice semi-translucent look to the particles.

Screenshot at 2022-10-05 12-32-31.png

Video On Demand

  • 02:35 Importing the MaterialX Shaderball
  • 03:59 MaterialX online viewer https://academysoftwarefoundation.github.io/MaterialX/
  • 05:51 Importing the shaderball into Solaris
  • 06:38 Viewing the Solaris scene graph tree
  • 10:10 Using materials from https://ambientcg.com/
  • 23:05 Autodesk Standard Surface Documentation
  • 25:45 Duplicating geometry
  • 28:00 Editing a material MaterialX graph
  • 35:10 Importing the marble material
  • 39:17 Edit material properties LOP
  • 43:30 Editing the marble shading network
  • 53:00 Mixing surface nodes
  • 58:00 Using spatial noise to mix surfaces
  • 1:11:00 usdz files
  • 1:14:00 Wrapping up, stream topics overview

Additional Images

2022 09 02 karma particle basics 018.jpeg

2022 09 02 karma particle basics 016.jpeg

2022 09 02 karma particle basics 024.jpeg