Any of the SCATMECH models which inherit the class Local_BRDF_Model (such as Bobbert_Vlieger_BRDF_Model or Rayleigh_Defect_BRDF_Model) internally calculate the differential scattering cross-section (DSC) before converting it to BRDF. The class Local_BRDF_Model uses the parameter density to convert the DSC to BRDF. If one is interested in the integrated cross section for an isolated particle or defect, then one should set this parameter by
If, instead, one is interested in an effective reflectance, when the cross sectional beam area is area, then one should set this parameter by
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Latest MIST Version: 4.10 (October 2017)