Live 2022.09.16

Bismuth hopper crystal [1] patterns in nature iridescence in nature

Iridescent Metallics

https://en.wikipedia.org/wiki/Bismuth

https://en.wikipedia.org/wiki/Iridescence

References

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Bruno Militelli Bismuth photographs

bismuth 3d model

Modeling with Find Shortest Path

2022_09_16_find_shortest_path_examples.hiplc

Video On Demand

• 0:00:00 introduction
• 0:01:00 MaterialX shaderball
• 0:04:50 creating MaterialX shader
• 0:05:40 adding a dome light
• 0:08:40 loading a .mtlx example shader
• 0:10:00 graphing the .mtlx shader
• 0:12:40 examine the .mtlx file text
• 0:21:00 adjusting thin film thickness and for
• 0:32:30 using noise to drive thin film
• 0:37:00 using facing ratio to drive thin film
• 0:40:00 procedural modeling in SOPs
• 0:41:00 find shortest path
• 0:48:00 sweeping a custom font profile
• 0:53:40 applying our shader
• 0:58:00 duplicating and instancing
• 0:59:00 adding camera and area lights
• 1:04:40 extending the instancing workflow
• 1:06:50 sphere packing with vdbtospheres SOP
• 1:15:00 rendering
• 1:20:00 adjusting lights for better highlights
• 1:28:00 adding depth of field
• 1:44:00 adding physical lens shader
• 1:56:00 final render
• 1:59:00 wrapping up

Scene File

2022_09_11_greeble_techniques.hiplc