3D Fast Marching Method Program Adapted from 2D Implementation
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Resource Overview
This 3D Fast Marching Method (FMM) implementation is adapted from Juan Cardelino's original 2D program, specifically modified for complex velocity models applicable to seismic travel time calculations. The MATLAB-based 3D algorithm demonstrates slower computational performance for large models, but contains comprehensive code comments that facilitate straightforward conversion to C programming for significant speed optimization.
Detailed Documentation
This implementation presents a 3D Fast Marching Method program developed by modifying Juan Cardelino's published 2D FMM codebase. The enhanced version incorporates sophisticated velocity model handling capabilities, making it particularly suitable for seismic travel time computation applications. While the MATLAB implementation exhibits slower processing speeds for large-scale 3D algorithms, the well-documented source code contains detailed comments that enable efficient porting to C programming language. This conversion approach would substantially improve computational performance while maintaining the algorithm's core functionality for generating accurate and practical seismic calculation results. The adaptation maintains the original FMM's efficient front propagation methodology using heap-based data structures for optimal point selection, with added dimensionality handling for 3D spatial calculations.
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