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资源说明：Siddon tomography algorithm
====================================== TomograPy : A python tomography package ====================================== What is TomograPy ? =================== This is a fast parallelized tomography projector / backprojector. It originates from solar tomography application but could be use for other applications. It uses the fast Siddon algorithm as its core. The parallelization is done with OpenMP on the C part of the code. Application in solar tomography =============================== For solar astrophysics, TomograPy allows to perform solar tomographic reconstructions of the corona. It can take SOHO or STEREO data and output a 3-dimensional map of the corona. For now only Extreme-Ultraviolet data is handled but handling of coronographic data is planed along with handling of data from other spacecrafts. Requirements ============ You need numpy, pyfits, fitsarray for siddon to run. Documentation ============= The documentation for TomograPy is embedded into the code as docstrings. To get started, take a look at tomograpy/__init__.py or in IPython, just do : >>> import tomograpy >>> tomograpy? Exemple ======= For an exemple on how to use TomograPy, see exemple/test_siddon_simu.py For solar tomography, you need first to process data using http://www.lmsal.com/solarsoft/. Then you can take a look at exemple/siddon_secchi_mask.py or use directly the siddon/srt script. Home page ========= https://github.com/nbarbey/siddon
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