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Open Asset Import Library - Viewer Changelog

What's new in Open Asset Import Library - Viewer 3.0

Jul 20, 2013
  • FEATURES:
  • New export interface similar to the import API.
  • Supported export formats: Collada, OBJ, PLY and STL
  • Added new import formats: XGL/ZGL, M3 (experimental)
  • new postprocessing steps: Debone
  • vastly improved IFC (Industry Foundation Classes) support
  • introduced API to query importer meta information (such as supported format versions, full name, maintainer info).
  • reworked Ogre XML import
  • C-API now supports per-import properties
  • FIXES/HOUSEKEEPING:
  • hundreds of bugfixes in all parts of the library
  • unified naming and cleanup of public headers
  • improved CMake build system
  • templatized math library
  • reduce dependency on boost.thread, only remaining spot is synchronization for the C logging API
  • API COMPATIBILITY:
  • renamed headers, export interface, C API properties and meta data prevent compatibility with code written for 2.0, but in
  • most cases these can be easily resolved
  • Note: 3.0 is not binary compatible with 2.0

New in Open Asset Import Library - Viewer 2.0 (Jul 20, 2013)

  • FEATURES:
  • Add support for static Blender (*.blend) scenes
  • Add support for Q3BSP scenes
  • Add a windows-based OpenGL sample featuring texturing & basic materials
  • Add an experimental progress feedback interface.
  • Vastly improved performance (up to 500%, depending on mesh size and
  • spatial structure) in some expensive postprocessing steps
  • AssimpView now uses a reworked layout which leaves more space to the scene hierarchy window
  • Add C# bindings ('Assimp.NET')
  • Keep BSD-licensed and otherwise free test files in separate folders (./test/models and ./test/models-nonbsd).
  • FIXES:
  • Many Collada bugfixes, improve fault tolerance
  • Fix possible crashes in the Obj loader
  • Improve the Ogre XML loader
  • OpenGL-sample now works with MinGW
  • Fix Importer::FindLoader failing on uppercase file extensions
  • Fix flawed path handling when locating external files
  • Limit the maximum number of vertices, faces, face indices and weights that Assimp is able to handle. This is to avoid crashes due to overflowing counters.
  • Updated XCode project files
  • Further CMAKE build improvements
  • API CHANGES:
  • Add data structures for vertex-based animations (These are not currently used, however ...)
  • Some Assimp::Importer methods are const now.

New in Open Asset Import Library - Viewer 1.1 (Jul 20, 2013)

  • FEATURES:
  • Vastly improved Collada support
  • Add MS3D (Milkshape 3D) support
  • Add support for Ogre XML static meshes
  • Add experimental COB (TrueSpace) support
  • Automatic test suite to quickly locate regressions
  • D bindings (`dAssimp`)
  • Python 2.n bindings (`PyAssimp`)
  • Add basic support for Unicode input files (utf8, utf16 and utf32)
  • Add further utilities to the `assimp` tool (xml/binary dumps, quick file stats)
  • Switch to a CMAKE-based build system including an install target for unix'es
  • Automatic evaluation of subdivision surfaces for some formats.
  • Add `Importer::ReadFileFromMemory` and the corresponding C-API `aiReadFileFromMemory`
  • Expose further math utilities via the C-API (i.e. `aiMultiplyMatrix4`)
  • Move noboost files away from the public include directory
  • Many, many bugfixes and improvements in existing loaders and postprocessing steps
  • Documentation improved and clarified in many places.
  • Add a sample on using Assimp in conjunction with OpenGL
  • Distribution/packaging: comfortable SDK installer for Windows
  • Distribution/packaging: improved release packages for other architectures
  • CRITICAL FIXES:
  • Resolve problems with clashing heap managers, STL ABIs and runtime libraries (win32)
  • Fix automatic detection of file type if no file extension is given
  • Improved exception safety and robustness, prevent leaking of exceptions through the C interface
  • Fix possible heap corruption due to material properties pulled in incorrectly
  • Avoid leaking in certain error scenarios
  • Fix 64 bit compatibility problems in some loaders (i.e. MDL)
  • BREAKING API CHANGES:
  • None
  • MINOR API BEHAVIOUR CHANGES:
  • Change quaternion orientation to suit to the more common convention (-w).
  • aiString is utf8 now. Not yet consistent, however.