Rewrite IGRF13 model from Fortran to Python #16
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- Rewrote the original `igrf.f` Fortran code in Python for improved readability and usability. - Utilized `numpy` to support array-based input and vectorized calculations for better performance. - Used a dictionary to store the `gh` data and saved the original data in JSON format for easy loading. - Implemented two functions: - `IGRF13`: Takes separate input parameters for latitude, longitude, altitude, and date. - `IGRF13_v`: Accepts input in a standardized array format for batch processing.
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igrf.fFortran code in Python for improved readability and usability.numpyto support array-based input and vectorized calculations for better performance.ghdata and saved the original data in JSON format for easy loading.IGRF13: Takes separate input parameters for latitude, longitude, altitude, and date.IGRF13_v: Accepts input in a standardized array format for batch processing.