While MIST was not designed with isolated particles in mind, with a little insight and knowledge of the SCATMECH models, it can effectively be used for that. Any of the models inheriting Local_BRDF_Model will predict the scatter from the associated isolated particle, provided the substrate optical properties are set to (1,0). Using normal incidence, one can evaluate scatter in the forward scattering hemisphere by using type=1 and in the backscattering hemisphere by using type=0. As described in the previous section, one would set density=1, and the differential reflectance will correspond to the differential scattering cross section. The example code in particle.mist illustrates this procedure.
SCATMECH Technical Information and Questions
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Latest MIST Version: 4.10 (October 2017)