UpdateSailOpticalProps:

% Look up all the sail class components and update their properties.
 To convert McInnes coefficients to this format see OpticalMcInnesToPSS.

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   Form:
   g = UpdateSailOpticalProps( g, optical, emissivity )
   g = UpdateSailOpticalProps( g, optical, thermal, infrared )
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   Inputs:
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   g           (:)     CAD model
   optical     (:)     Struct of optical properties
                       .sigmaA (1,2)  Absorptive coefficient (front/back
                       .sigmaD (1,2)  Diffuse coefficient
                       .sigmaS (1,2)  Specular coefficient
                       .sigmaT (1,2)  Transmissivity coefficient
   emissivity  (1,2)   Emissivity (front/back) OR thermal struct
   infrared    (:)     Same as optical but for infrared band
                       .sigmaRA (1,2)  Absorptive coefficient (front/back
                       .sigmaRD (1,2)  Diffuse coefficient
                       .sigmaRS (1,2)  Specular coefficient
                       .sigmaRT (1,2)  Transmissivity coefficient

   --------
   Outputs:
   --------
   g      (:)     Update CAD model

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	 Copyright 2009 Princeton Satellite Systems, Inc. 
  All rights reserved.
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   Since version 9.
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