fresnel

Contents: Description, Arguments, Usage, Examples, Images, Source Supported Under Version: > 1.01 Current .dvrc Version: N/A Description Calculate surface emissivity of a specular surface. Arguments and Return Values Arguments: The real and imaginary optical constants (single value or vectors) and an emission angle. Return Value: An output value or spectrum. Usage Syntax: fresnel(real_index, imaginary_index, emission) real_index: array containing the real indices of refraction imaginary_index: array containing imaginary indices of refraction emission: viewing emission angle (degrees) Examples dv> n 1x500x1 array of float, bsq format [2,000 bytes] dv> k 1x500x1 array of float, bsq format [2,000 bytes] dv> s1=fresnel(n,k,0) 1x500x1 array of float, bsq format [2,000 bytes] dv> s2=fresnel(n,k,75) 1x500x1 array of float, bsq format [2,000 bytes] Images Plot showing output s1 and s2 from example above:

DavinciWiki Mini-Nav Bar Contents Functions Function Categories Common Procedures Glossary Download Davinci Change Log News Mailing List Contact Developers davinci-dev [AT] mars.asu.edu All other topics See navigation on the left N/A fresnel() Recent Library Changes Change Log Created On: 01-01-2008 Modified On: 01-17-2008