Comments (3)
@adro79 This is one of our main focuses going forward, reviewing and merging proposals for new MaterialX nodes from the community, and we'd appreciate any proposals that you have the bandwidth to write up.
Curvature is a feature we're very interested in, and I believe the main work will be coming up with a standard definition of this idea that holds its meaning across renderers. Often curvature is implemented in terms of the "partial derivatives" of the normal
and position
vectors, so one path forward would be for a team to propose definitions of partial derivative nodes in MaterialX, which could then be used to robustly define a curvature node.
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Thanks for the response, I'm glad to see this is something you're looking for.
Unfortunately I have no experience with these types of formulas, but I'm sure I would lend a hand if I could. Let's hope someone comes with a proposal to implement these features soon.
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No problem, @adro79, and we'll continue reviewing and merging new proposals for nodes as they're contributed by the community.
You can get a sense of the most recent contributions to MaterialX by looking at our release notes, with the contributions in 1.38.8 and 1.38.9 including shape nodes from SideFX and Autodesk, and the beginnings of a non-photorealistic rendering (NPR) node library.
https://github.com/AcademySoftwareFoundation/MaterialX/releases
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Related Issues (20)
- Update the glTF PBR implementation to support thin-walledness
- Crash when loading / viewing an existing nodegraph into graph editor - related to swizzle node upgrade process HOT 8
- libMaterialXFormat exports pugixml symbols HOT 8
- Add reference thumbnail images for the spec docs
- isTransparentSurface() does not work for OpenPBR HOT 6
- MDL shader uniform block reflection inconsistency
- Instructions for running MaterialXGraphEditor on Mac HOT 4
- Proposal: Migrate comment documentation to nodedef doc attributes for std libraries HOT 2
- MaterialXGraphViewer: `time_float` and `frame_float` do not have any effect HOT 3
- GLSL ShaderGen: `time_float` and `frame_float` do not have any effect HOT 6
- Proposal: MaterialX Hair BSDF
- Angle units handling
- Input node resolution failure when same-named nodes exist inside and outside a nodegraph HOT 3
- Smoothstep breaks GLSL compilation when multiple type signature nodes are used HOT 13
- generateshader cannot validate shaders with lighting
- Equivalence operator fails to handle vector string differences HOT 11
- Multiple type signature possible problem
- Mouse interaction with the UI when cursor over render view orbits the camera HOT 1
- Suggestion: Add command line commands for Python package
- Proposal : Provide a Functionally equivalent operator HOT 8
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