Changed the G function to include the psi kernel.
Corrected G for azimuth with kernel and added g's.
Works now and looks like Ross and Bunnik plots.
Update radtran.py

Small edit to comment...
Added the following functions: Gamma, P0, f, K. Ammended
G to better handle array views.
Merge pull request #1 from jgomezdans/master

Added some leaf angle distributions, tests, etc.
Added the bi-lambert Gamma func and plot. Added the
lad module by Jose.
Added the H function and Big psi kernel and plot functionality to
test both.
Starting to add a LUT for the H values due to discontinuous
surface. Add the H_LUT.py which is not complete....
frustrations....
I thought I commited but I didn't. This time I am commited...
Added the removal of hips and lips to the H LUT. Need to carry
on with the interpolation tomorrow.
The LUT completed and now to start with incorporation
into radtran.py.
Removed singularity at zero sun angle from integration. Removed
spike in graph.
Final version of workable azimuthally averaged Area Scattering
Phase Function (Gamma) is released. Corrected figures of Gamma,
Big Psi also completed.
Added the LUT and other data files.
Added the one_angle.py which will contain the one angle
problem as described in Myneni 1988b. This is a finite-
difference one angle RT model. Functions included so
far are J, Q1, Q2 and I_f.
Added OOP to the code. Implimented a class of rt_layers and
also refined the J, Q1, Q2 and other plots.
Finalised the OOP part of the module. rt_layers in now a class.
Added the all the arrays required and methods for the downward
and upward part of the iterations plus the reverse at soil
boundary. Good progress!!!!
Almost complete with implimentation. Still need to do some
bug fixing....
Added legrange polynomials to equations instead of simpsons rule.
BRF plotting function. Fixed the J term problem.
Results.... added brf plotting fixed upward and downward fluxes,
added profile plotting, added scalar fluxes which agree well with
Myneni, conding efficiencies through precalculated arrays for P
and G functions, etc. etc.