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root/radiance/ray/src/util/klems_full.cal
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Comparing ray/src/util/klems_full.cal (file contents):
Revision 1.2 by greg, Mon Jul 21 15:59:47 2014 UTC vs.
Revision 1.3 by greg, Fri Mar 27 18:58:06 2015 UTC

# Line 33 | Line 33 | kbin2(pol,azi) = if(pol-90, -1,
33                  kaccum(8) + kazn(azi,360/knaz(9))
34          ) );
35  
36 + RHS = 1;        { set to -1 for left-handed system }
37 +
38   kbin(Nx,Ny,Nz,Ux,Uy,Uz) = kbin2(Acos(-Dx*Nx-Dy*Ny-Dz*Nz),
39          Atan2(-Dx*Ux-Dy*Uy-Dz*Uz + (Nx*Dx+Ny*Dy+Nz*Dz)*(Nx*Ux+Ny*Uy+Nz*Uz),
40 <                -Dx*(Uy*Nz-Uz*Ny) - Dy*(Uz*Nx-Ux*Nz) - Dz*(Ux*Ny-Uy*Nx)));
40 >                -RHS*(Dx*(Uy*Nz-Uz*Ny) + Dy*(Uz*Nx-Ux*Nz) + Dz*(Ux*Ny-Uy*Nx))));
41                                  
42   kbinN = kbin(0,-1,0, 0,0,1);    { North bins }
43   kbinE = kbin(-1,0,0, 0,0,1);    { East bins }

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