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How to Open OBJ File in Python

Sep 27, 2024

Have you ever wanted to work with 3D models in Python? OBJ files are a common file format for 3D models, and in this article, we'll show you how to open and read an OBJ file in Python.

Step 1: Install Required Libraries

The first step is to install the required libraries to work with OBJ files in Python. You can use the following pip command to install the `PyWavefront` library:

```

pip install PyWavefront

```

Step 2: Read OBJ File

Once the library is installed, you can use the following code to read an OBJ file in Python:

```python

from PyWavefront import Wavefront

obj = Wavefront('path_to_your_obj_file.obj')

```

Step 3: Access Object Data

After reading the OBJ file, you can access different properties of the 3D model using the `obj` object. For example, you can access the vertices, faces, normals, and texture coordinates of the 3D model.

Step 4: Display or Manipulate 3D Model

Once you have read the OBJ file and accessed its data, you can display the 3D model using a 3D rendering library such as `PyOpenGL`. Additionally, you can manipulate the 3D model by modifying its properties.

Step 5: Close the OBJ File

After you have finished working with the OBJ file, it's good practice to close the file using the `close` method:

```python

obj.close()

```

Conclusion

In this article, we have learned how to open and read an OBJ file in Python using the `PyWavefront` library. Working with 3D models in Python can be a fun and rewarding experience, and now you have the knowledge to get started. Happy coding!

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