Houdini Engine 3.4
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Documentation

Table of Contents

  1. Overview
  2. What's New in HAPI
  3. Integration
    1. Important Files
    2. Version
    3. Putting Engine in Version Control
    4. Suggested Steps
  4. Fundamentals
    1. Environment Variables
    2. Strings
    3. Return Codes and Error Strings
    4. Initialization and Cleanup
    5. Saving a HIP File
    6. Getting and Setting Server-Side Environment Variables
    7. Check for Specific Errors
  5. Licensing
    1. License Requirements
    2. License Checks
  6. Sessions
    1. Introduction
    2. In-Process
    3. Out-of-process
    4. HARS (Houdini-Engine API Remote Server)
    5. Multithreading
  7. SessionSync
  8. Nodes
    1. Nodes Basics
    2. Create, Delete, Connect Nodes
  9. Assets
    1. Asset Library Files
    2. Node Creation
    3. Cooking
    4. Transforms
  10. Objects
    1. Query
    2. Object Transforms
  11. Geos
  12. Parts
  13. Attributes
    1. About Houdini Attributes
    2. Query Attribute Information
    3. Getting Attribute Values
    4. Adding Attributes
    5. Setting Attribute Values
  14. Parameters
    1. Query Parameter Info
    2. Getting Values
    3. Setting Values
    4. Incremental Updates
    5. Tabs and Folders
      1. Radio Button Tabs
    6. Choice Lists
    7. MultiParms
    8. Presets
  15. Asset Inputs
    1. Exposing Inputs
    2. Marshalling Geometry Into Houdini
    3. Marshalling Detail Attributes
    4. Marshalling Point Clouds
    5. Connecting Assets
  16. Curves
    1. The Curve Node
    2. Curve Output
    3. Curve Marshalling
  17. Volumes
    1. Querying
    2. Positioning
    3. Volume Output
    4. Volume Marshalling
  18. Instancing
    1. Packed Primitives
    2. Instance OBJ
  19. Groups
    1. About Houdini Groups
    2. Query Group Information
    3. Adding Groups
  20. Materials
    1. Materials Introduction
    2. Get Material Assignments
    3. Rendering to Image
    4. Extracting Images
      1. Image Manipulation
      2. Image File Formats
      3. Image Planes
      4. Image Extraction
    5. Material Updates
  21. Time
    1. Global Time
    2. Timeline Options
  22. Handles
  23. Intermediate Asset Results
  24. Animation Curves
  25. Dynamics Simulations
    1. Start Time
    2. Simple Asset
    3. Center Pivot
    4. Working with External Geometry
    5. Outputting the Result to Host
  26. Loading a Hip File
  27. Caching
    1. Houdini Caches
    2. Geometry Caching
      1. Geometry Files
      2. Geometry Buffers
  28. PDG
  29. Utility Functions
  30. Full Source Samples
    1. Compiling Samples
    2. Asset Inputs Samples
    3. Curves Samples
    4. Groups Sample
    5. Materials Sample
    6. Node Creation Sample
    7. Objects, Geos, and Parts Sample
    8. Packed Primitives Sample
    9. Parameters Sample
  31. Development HDA Pack
    1. Development HDA Pack