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===============
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.
To use it, from within `/port/PyAssimp`:
```
$ 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 *
scene = load('hello.3ds')
assert len(scene.meshes)
mesh = scene.meshes[0]
assert len(mesh.vertices)
print(mesh.vertices[0])
# don't forget this one, or you will leak!
release(scene)
```
Another example to list the 'top nodes' in a
scene:
```python
from pyassimp import *
scene = load('hello.3ds')
for c in scene.rootnode.children:
print(str(c))
release(scene)
```
INSTALL
-------
Install `pyassimp` by running:
```
$ 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.
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