ce?) (line 86)""Error: 'Rhino.DocObjects.Tables.LightTable' does not contain a definition for 'Sun' (line 86)"
I'm using Rhinoceros 4.0 v9 and just recently installed the Rhino4.0SDK. Any comments/suggestions would be appreciated. Thanks …
the map? For example in one list I want curves 5, 20, 21, 22, 23, 60. In another I want curves 1, 37, 40. In another maybe 70-80. And in the last, all curves that aren't specified in those three lists. Is there a way to partition the lists as such?…
Hey, you need to reparameterize the Srf. You're running into the problem described on p. 86 in the primer, where you need to reset the domain of the surface to be between 0 and 1 :)
exact formula is inside /lib/skybright.cal if this can help you to find the name.
{ RCSid: $Id$ } { Sky brightness function for sunny and cloudy skies.
Additional arguments required for calculation of skybright:
A1 - 1 for CIE clear, 2 for CIE overcast, 3 for uniform, 4 for CIE intermediate A2 - zenith brightness A3 - ground plane brightness A4 - normalization factor based on sun direction A5,A6,A7 - sun direction }
cosgamma = Dx*A5 + Dy*A6 + Dz*A7;
gamma = Acos(cosgamma); { angle from sun to this point in sky }
zt = Acos(A7); { angle from zenith to sun }
eta = Acos(Dz); { angle from zenith to this point in sky }
wmean(a, x, b, y) : (a*x + b*y) / (a + b);
skybr = wmean((Dz+1.01)^10, select(A1, sunnysky, cloudysky, unifsky, intersky), (Dz+1.01)^-10, A3);
sunnysky = A2 * (.91 + 10*exp(-3*gamma) + .45*cosgamma*cosgamma) * if( Dz - .01, 1.0 - exp(-.32/Dz), 1.0) / A4;
cloudysky = A2 * (1 + 2*Dz)/3;
unifsky = A2;
intersky = A2 * ( (1.35*sin(5.631-3.59*eta)+3.12)*sin(4.396-2.6*zt) + 6.37 - eta ) / 2.326 * exp(gamma*-.563*((2.629-eta)*(1.562-zt)+.812)) / A4;
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