mental ray Manual

Version 3.8

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Table of Contents

• What's New
• Introduction
• Organization of the Manual
• Functionality
  • Rendering
  • Architecture
    • Parallelism
    • Distributed Rendering
    • Progressive Rendering 3.8
    • Geometry Caching
    • Memory Management
  • Scene Database
  • Geometry
    • Polygon Surfaces
      • Tessellated Geometry
    • Free-Form Surfaces
      • Edge Merging
      • Special Points and Curves
    • Subdivision Surfaces
      • Hierarchical Subdivision Surfaces
      • Catmull-Clark Meshes
    • Curve Geometry
      • Hair Geometry
      • Space Curves
    • Point Data
      • Map Data 3.7
  • Atmospheres and Volumes
  • Materials
    • BRDF/BSDF 3.7
  • Texture Mapping
    • Texture Files
    • Memory-Mapped Textures
    • Texture Caching
    • Bump, Displacement, and Reflection Mapping
    • Texture Filtering
      • Pyramid Filtering
      • Elliptical Projection Filter Lookup
      • Dynamic Filtering with Ray Differentials
  • Direct Lighting
    • Light Sources
      • Area Light Sources
      • IES and Eulumdat Light Profiles
      • Shadow Maps
    • Image-Based Lighting 3.8
  • Light Mapping
  • Multipass Rendering
    • Sample Passes
  • User-Defined Shaders
    • MetaSL Shaders 3.8
    • Native Shaders
  • The Camera
    • Stereoscopic 3.8
    • Lens Effects
    • Depth of Field
  • Animation
    • Motion Blur 3.7
  • Sampling Algorithms
  • Rasterizer
  • OpenGL Acceleration
  • Color Calculations
    • Color Profiles
  • Spectral Rendering
  • Image Output
    • Frame Buffers
    • Output Shaders
    • Output Files
  • Pixel Coverage
  • Contours
  • Caustics
    • Light Sources
    • Objects
    • Material Shaders and Photon Shaders for Caustics
    • Physically Plausible Material Shaders
    • Shader Functions
    • Fine-Tuning Caustics
    • Volume Caustics
  • Global Illumination
    • Light Sources
    • Objects
    • Fine-Tuning Global Illumination
    • Global Illumination in Participating Media
  • Final Gathering 3.8
    • Ambient Occlusion
  • Importons
  • Irradiance Particles 3.7
  • iray Rendering Mode 3.8
  • Path Raytracing
  • Diagnostic Modes
• Scene Description Language
  • Introduction
  • Shader Declarations
    • Parameter Types
    • Shader Apply Flags
    • Declaration Options
  • Shader Definitions
  • Shader Lists
  • Shader Graphs
  • Phenomena
    • Phenomenon Interface Parameters
    • Phenomenon Roots
  • Commands
    • Variables and the Registry
    • Shader Compilation and Linking
    • Conditionals
  • Scene Entities
    • Options
    • Cameras
      • Frame Buffers
    • Textures
    • Materials
    • Lights
    • Map Data 3.7
    • User Data
    • Light Profiles
    • Objects
    • Polygonal Geometry
    • Primitive Lists
    • Free-Form Surface Geometry
    • Space Curve Geometry
    • Hair Geometry
    • Subdivision Surface Geometry
    • Catmull-Clark Mesh Geometry
    • Approximations
    • Instances
    • Instance Groups
    • Assemblies
  • Contours
    • Where To Place Contours
    • Color and Width of Contours
    • Contour Output
    • Faster Contours
  • Pass Rendering
  • Scene Example
• Using and Writing Shaders
  • Introduction
  • MetaSL Shaders 3.7
  • Native Shaders
  • Dynamic Linking of Shaders
  • Coordinate Systems
  • Shader Type Overview
  • State Variables
    • Frame
    • Image Samples
    • Rays
    • Intersection
    • Textures, Motion, Derivatives
    • User Fields
    • Options
    • State Variables by Shader Type
  • Shader Parameter Declarations
  • Parameter Assignments and mi_eval
  • Shader Versioning
  • Material Shaders
  • Texture Shaders
  • Volume Shaders
  • Volume Shaders Using Autovolume
  • Environment Shaders
  • Light Shaders
  • Shadow Shaders
  • Photon Shaders
  • Photon Emitter Shaders
  • Lens Shaders
  • BRDF Shaders 3.7
    • Built-in BRDFs 3.7
  • State Shaders
  • Output Shaders
  • Displacement Shaders
  • Geometry Shaders
  • Contours
    • Contour Computation
    • Contour Store Function
    • Contour Contrast Function
    • Contour Shaders
    • Contour Output Shaders
  • Lightmap Shaders
  • Render Pass Merge Shaders
  • Render Pass Preprocessing Shaders
  • Functions for Shaders
    • Database Functions
    • Rendering Functions
    • Sampling with mi_sample
    • Photon Functions
    • Direction Functions
    • Image Functions
    • Math Functions
    • Noise Functions
    • KD-Tree Functions
    • Shading Models
    • Color Profile Functions
    • Queries with mi_query
    • Auxiliary Functions 3.8
    • Pass Rendering Functions
    • Obsolete Auxiliary Functions
    • Contour Functions
    • Light Map Functions
    • Memory Allocation
    • Thread Parallelism and Locks
    • Messages and Errors
    • Callable Functions by Shader Type
    • Manipulating Spectra from Shaders
  • C++ Shader Interface Extensions
    • Shader Interface Class
    • String Options
    • Light Iterator
    • Frame Buffers
    • BSDF Evaluation 3.7
    • Map Data 3.7
    • Declaration
    • Content
    • Element
    • Iterator
    • Lookup
    • Subdivision Surface Mesh 3.7
    • mi_shader_if.h header file
  • Initialization and Cleanup
  • Persistent Shader Data Storage
    • Constant Data
    • Shader Instance Data
    • Thread-Local Storage
  • Automatic Source Generation with mkmishader
  • Shaders and Trace Functions
  • Example Scene with Custom Shader
• Geometry Shaders
  • Introduction
  • Examples
  • Geometry Shader API
    • Symbol Tables
    • Cameras and Options
    • Lights, Materials, Textures
    • User Data
    • Light Profiles
    • Color Profiles
    • Instances and Instance Groups
    • Geometric Objects
    • Assemblies
    • Function Declarations
    • Function Definitions
    • Phenomenon Definitions
    • Verbatim C Sources
    • Scopes
    • Miscellaneous
  • Geometry Shader Data Structures
    • Instances
    • Groups
    • Cameras
    • Lights
    • Functions
    • User Data
    • Function Declarations
    • Boxes
    • Objects
    • Approximations
    • Polygon Lists
    • Polygon Indices
    • Polygon Vertices
    • Polygon Vectors
    • Surfaces: Face List
    • Surfaces: Surface List
    • Surfaces: Curve Segment List
    • Surfaces: Scalar Lists
    • Surfaces: Curve Point Lists
    • Surfaces: Basis Lists
    • Space Curves
    • Books and Pages
    • Materials
    • Rendering Options
    • Images
    • Strings
    • Tag Lists
    • Color Profiles
    • Light Profiles
• Upgrading
  • Upgrading from mental ray 3.7 to 3.8
  • Upgrading from mental ray 3.6 to 3.7
  • Upgrading from mental ray 3.5 to 3.6
  • Upgrading from mental ray 3.4 to 3.5
• Appendix
  • Command Line Interface
    • mental ray
    • Image Display: imf_disp
    • Image Copy: imf_copy
    • Image Information: imf_info
    • Image Comparison: imf_diff
    • Create Shader Skeletons: mkmishader
    • Convert Scenes to C: mitoapi
    • Finalgather Map Copy: fg_copy
  • Configuration
    • Environment Variables
    • Registry Variables
  • Known Limitations
    • Firewalls
  • Scene File Grammar
• Bibliography
• Index

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