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diff --git a/libs/assimp/port/PyAssimp/README.md b/libs/assimp/port/PyAssimp/README.md new file mode 100644 index 0000000..c9944f7 --- /dev/null +++ b/libs/assimp/port/PyAssimp/README.md @@ -0,0 +1,86 @@ +PyAssimp Readme +=============== + +A simple Python wrapper for Assimp using `ctypes` to access the library. +Requires Python >= 2.6. + +Python 3 support is mostly here, but not well tested. + +Note that pyassimp is not complete. Many ASSIMP features are missing. + +USAGE +----- + +### Complete example: 3D viewer + +`pyassimp` comes with a simple 3D viewer that shows how to load and display a 3D +model using a shader-based OpenGL pipeline. + +![Screenshot](3d_viewer_screenshot.png) + +To use it, from within `/port/PyAssimp`: + +```console +$ cd scripts +$ python ./3D-viewer <path to your model> +``` + +You can use this code as starting point in your applications. + +### Writing your own code + +To get started with `pyassimp`, examine the simpler `sample.py` script in `scripts/`, +which illustrates the basic usage. All Assimp data structures are wrapped using +`ctypes`. All the data+length fields in Assimp's data structures (such as +`aiMesh::mNumVertices`, `aiMesh::mVertices`) are replaced by simple python +lists, so you can call `len()` on them to get their respective size and access +members using `[]`. + +For example, to load a file named `hello.3ds` and print the first +vertex of the first mesh, you would do (proper error handling +substituted by assertions ...): + +```python + +from pyassimp import load +with load('hello.3ds') as scene: + + assert len(scene.meshes) + mesh = scene.meshes[0] + + assert len(mesh.vertices) + print(mesh.vertices[0]) + +``` + +Another example to list the 'top nodes' in a +scene: + +```python + +from pyassimp import load +with load('hello.3ds') as scene: + + for c in scene.rootnode.children: + print(str(c)) + +``` + +INSTALL +------- + +Install `pyassimp` by running: + +```console +$ python setup.py install +``` + +PyAssimp requires a assimp dynamic library (`DLL` on windows, +`.so` on linux, `.dynlib` on macOS) in order to work. The default search directories are: + - the current directory + - on linux additionally: `/usr/lib`, `/usr/local/lib`, + `/usr/lib/x86_64-linux-gnu` + +To build that library, refer to the Assimp master `INSTALL` +instructions. To look in more places, edit `./pyassimp/helper.py`. +There's an `additional_dirs` list waiting for your entries. |