Modules

Here is a list of all modules:

Memory Allocation API	Memory allocation and deallocation
AtArray API	AtArray objects construction and manipulation
AtBBox API	Bounding box creation and manipulation
Camera Nodes	Camera initialization and update, and custom camera node implementation
AtClosure API	AtClosure type and related utilities
AtRGB API	Creation and operation with Arnold color types
Color Manager Nodes	Implementation of pluggable color manager nodes
Constants	Numerical contants used throughout the Arnold code
Render device API	Render device querying and selection
ASS File API	Loading and writing of .ass (Arnold Scene Source) scene files
Output Driver Nodes	Construction and manipulation of driver nodes
AtEnum API	Arnold AtEnum type
error reporting API	Error report usage and configuration
File Utils API	File path processing and resolution
Pixel Sample Filter Nodes	Sample filters creation and operation
Licensing API	Arnold license system information
MaterialX API	MaterialX document processing
Math Functions	Math and comparison functions tuned for Arnold
AtMatrix API	AtMatrix type creation and operation
Metadata API	Reading and writing of metadata
Message Logging API	Log management and operation
AtNodeEntry API	AtNodeEntry methods
AtNode API	Creation, manipulation and operation with Arnold nodes
Procedural Texturing API	Multiple noise functions, in both scalar and vector flavors
Operator API	Operator node creation and operation
AtParamEntry API	Querying and operation with node parameters
Plug-in Loading API	Loading of external dynamically linked plugins into Arnold
Procedural API	Implementation of custom Arnold procedural nodes
Ray Tracing API	Creation and manipulation of AtRay objects
Rendering API	Render process operation and querying
Sampler API	A generic, two-dimensional sampler that is sometimes useful when writing shaders
Scene File API	Scene file loading and writing using multiple formats
Scene Format Plugin API	Implementation of custom scene formats
AOV (Arbitrary Output Variables) API	AOV (Arbitrary Ouput Values) writing from inside a shader
BSDF API	Various BSDF functions available to shader writers
Shader Closure API	AtClosure creation
Light Sampling API	Light sampling
Shader Message Passing API	Message passing between shaders
Parameter Evaluation API	Parameter value querying from shaders
Irradiance / Radiance API	Radiance and irradiance lookup functions
Screen Sample	Definition of the AtScrSample structure
Sub-Surface Scattering API	SSS utility functions
User-Data API	User-defined data access on geometry
Shader Utility API	Various utility functions for shader writers
Volume Rendering API	Volume functions for shaders
Shader Globals API	AtShaderGlobals structure contains data accessible during the shading process
Shader Nodes	Implementation of custom shader nodes
Render Statistics API	Render statistics querying and operation
Texture Mapping API	Texture mapping system
Thread Management API	Implementation of platform-agnostic CPU threads
Unit Testing API	Unit test execution
Universe API	Construction and manipulation of AtUniverse objects
AtVector API	Vector math types and their related utilities
Versioning API	Arnold version information
Volume Plugin API	Interaction with custom volumes, implicit surfaces and formats at render time