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root/radiance/ray/src/util/klems_quarter.cal
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Comparing ray/src/util/klems_quarter.cal (file contents):
Revision 1.4 by greg, Mon Jul 21 15:59:47 2014 UTC vs.
Revision 1.5 by greg, Fri Mar 27 18:58:06 2015 UTC

# Line 29 | Line 29 | kqbin2(pol,azi) = if(pol-90, -1,
29                  kqaccum(4) + kqazn(azi,360/kqnaz(5))
30          ) );
31  
32 + RHS = 1;        { set to -1 for left-handed system }
33 +
34   kqbin(Nx,Ny,Nz,Ux,Uy,Uz) = kqbin2(Acos(-Dx*Nx-Dy*Ny-Dz*Nz),
35          Atan2(-Dx*Ux-Dy*Uy-Dz*Uz + (Nx*Dx+Ny*Dy+Nz*Dz)*(Nx*Ux+Ny*Uy+Nz*Uz),
36 <                -Dx*(Uy*Nz-Uz*Ny) - Dy*(Uz*Nx-Ux*Nz) - Dz*(Ux*Ny-Uy*Nx)));
36 >                -RHS*(Dx*(Uy*Nz-Uz*Ny) + Dy*(Uz*Nx-Ux*Nz) + Dz*(Ux*Ny-Uy*Nx))));
37                                  
38   Nkqbins : kqaccum(kqnaz(0));    { Number of bins for one elevation }

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