# KARMA — Knowledge MOC > [!abstract] About > Personal **Karma** (Houdini-native USD renderer) knowledge base — lookdev (shaders, material builder, displacement, MIPMAP), render settings & AOVs, denoise, optimisation, fixes, and research links. ## 🧭 Reading Order for Newcomers 1. [[Notes/KARMA Shader|KARMA Shader]] — start with shader basics. 2. [[Notes/KARMA Auto material Builder|KARMA Auto Material Builder]] — auto-build materials from textures. 3. [[Notes/KARMA MIPMAP|KARMA MIPMAP]] — texture optimisation. 4. [[Notes/KARMA Rendersettings and AOV|Render Settings and AOVs]]. 5. [[Notes/KARMA Settings optimisation|Settings Optimisation]]. 6. [[Notes/KARMA Masterclass optimisation - global illumination - Camera Samples|Karma Masterclass — GI & Camera Samples]]. --- ## 🎨 Lookdev - [[Notes/KARMA Shader|KARMA Shader]] — shader basics. - [[Notes/KARMA Auto material Builder|KARMA Auto Material Builder]] — auto material setup. - [[Notes/KARMA Displacement|KARMA Displacement]]. - [[Notes/KARMA MIPMAP|KARMA MIPMAP]] — texture mip-map conversion to `.rat`. ## 🎥 Render Settings & AOVs - [[Notes/KARMA Rendersettings and AOV|Render Settings and AOVs]]. - [[Notes/KARMA RM Denoise|RenderMan Denoiser with Karma]]. ## ⚙️ Optimisation - [[Notes/KARMA Masterclass optimisation - global illumination - Camera Samples|Karma Masterclass — GI & Camera Samples]]. - [[Notes/KARMA Settings optimisation|Settings Optimisation]]. - [[Notes/KARMA Render Stat|Render Stat]] — read render statistics. - [[Notes/KARMA RM Denoise|RenderMan Denoiser]] — denoise pass. ## 🛠️ Fixes - **Autofill not working in Material Library:** material names cannot start with numbers. - **Repath textures** — [[../HSCRIPT/Houdini Repath Texture|Houdini Repath Texture]]. ## 🔍 Research / To Try Later - [Getting started with MaterialX and Render Cloning — SideFX tutorial](https://www.sidefx.com/tutorials/getting-started-with-materialx-and-render-cloning/). - [[../../../OUT OF PUBLISH/KNOWLEDGE OUT OF PUBLISH/BHGC/BHGC LPE KARMA|BHGC — LPE in Karma]] *(private legacy)*. --- ## 🔗 Related - [[../HOUDINI MOC|HOUDINI MOC]] — parent. - [[../SOLARIS/SOLARIS MOC|SOLARIS MOC]] — LOPs / USD context. - [[../../../PROTOCOL/USD/Notes/USD KNOWLEDGE/6.30 USD Theory|USD Theory]] — Karma renders from USD stages. - [[../../KNOWLEDGE MOC|KNOWLEDGE MOC]]. - [[../../../PROTOCOL/OPTIMISATION/OPTIMISATION MOC|OPTIMISATION MOC]] — render-side optimisation context. - [[../../../ARTFX OSMIUM/TOOLS/Notes/Deadline Renderman Denoiser - Loris Eck|Deadline RenderMan Denoiser]] — denoise on the farm.