Reading 3D Models from .OBJ Files with MATLAB

This MATLAB program enables reading 3D models from .OBJ files and converts them into cell-based representations, facilitating more efficient analysis and processing of three-dimensional objects. The implementation includes robust parsing algorithms that extract vertex coordinates, face indices, and texture information from the OBJ format. Beyond core import functionality, the program provides multiple data processing and visualization functions, including a specialized plotting function that renders 3D objects using MATLAB's patch or trisurf functions with customizable lighting and viewing angles. Additional data processing utilities allow for mesh simplification, normal calculation, and coordinate transformations. The architecture supports user-defined functions through modular design, enabling customizable development to meet diverse requirements through callback functions and parameter customization. The program employs efficient data structures like cell arrays for handling complex meshes and includes error handling for invalid file formats. Overall, this solution provides convenient, efficient, and customizable approaches for 3D object analysis and processing, suitable for both educational and research applications.