FN_HG1
Name
fn_hg1
Purpose
Evaluate the 1-parameter Henyey-Greenstein phase function.
Description
Category
Mathematical
Calling Sequence
fn_hg1, g, a, F, /radians
Inputs
g: Phase angle(s) in degrees.
a: Asymmetry parameter (negative is back, positive is forward).
Optional Input Parameters
Keyword Input Parameters
radians: Flag, if true, phase angle is in radians instead of default degrees.
Outputs
F: The value of the function at each g.
Keyword Output Parameters
Optional Output Parameters
Common Blocks
None.
Side Effects
None.
Restrictions
None.
Procedure
Modification History
1999-Nov-13 Created by Will Grundy
2001-Oct-29 WMG added radians keyword