/*
A x10 zoom projector showing ray paths in a
scattering
atmosphere */ #declare Anim = no; #declare AReflmin = 0.01; #declare AReflmax = 1.0; #declare AReflfal = 7.51; #declare IsoMaxtrace = 6; #declare IsoMaxgrad = 1.0; #declare Evalac = 0.001; #declare GlCrom = no; #declare GlMdya = no; #declare Aspherix = no; #include "glasses.inc" #if ( Anim = 0 ) #declare klok = 20; #declare km2 = klok-2.0; #else #declare klok = 2 + clock*18; #declare km2 = klok-2.0; #end /*********************************** Setup media and photons ****************************************/ #declare MdyaOn = yes; #declare NFtonsOn = yes; #declare BoxLen = 270; #declare BoxHyt = 30; #declare MdyaThk = 0.1; #declare MedIntvals = 4; #declare MedSampls = 16; #declare Hfld = no; global_settings { max_trace_level 16 assumed_gamma 1.0 #if(NFtonsOn = yes) photons { count 3e8 max_trace_level 128 #if(MdyaOn = yes) media 200,2 #end autostop off } #end #if(Hfld = yes) hf_gray_16 #end } #if(MdyaOn = yes) box { < -0.1,-BoxHyt,-20>,< 0.1,BoxHyt,BoxLen> pigment { rgbt 1 } finish { ambient 0 diffuse 0 } interior { media { scattering { 1,color rgb 1 extinction 0 } method 3 intervals MedIntvals samples MedSampls } } photons { target } hollow } #end #declare RadCyl = degrees(atan2(6.5,1e4)); light_source { -z*1e4 rgb 3e6 spotlight radius RadCyl falloff 1.01*RadCyl tightness 10 point_at 0 fade_power 2 fade_distance 10 photons { refraction on reflection off } media_interaction on } /******************************* Projector Lenses ****************************************************/ #declare ThisOrigin = 0.0; #declare NextOrigin = 0.0; #declare CL3 = 6.67*pow(km2,1.6)*exp(-0.0683*km2)+0.2434; // These are the zoom positions #declare CL7 = 63.116*km2*exp(-0.2043*km2) -1.1577* km2+4.4423; #declare CL9 = 401*exp(-0.3085*klok) + 0.0181*klok*klok; #declare CL9 = 224-CL3-CL7; // The first lens #declare LnzNum = 1; #declare AspR1 = no; #declare AspR2 = no; #declare LensBlnk = texture { GlasBlnk } #declare LensOpen = material { Glas__BAK4 } #declare R1 = 52.873; #declare Thk = 2.000; #declare D1 = 8.00; #declare R2 = 189.829; #declare Nex = CL3; #declare D2 = 8.00; #include "lensmp.inc" #declare Lens0203 = object { LensMP translate z*ThisOrigin } // The second lens #declare LnzNum = 2; #declare AspR1 = no; #declare AspR2 = no; #declare LensBlnk = texture { GlasBlnk } #declare LensOpen = material { Glas__BAK4 } #declare R1 = 171.458; #declare Thk = 5.000; #declare D1 = 30.00; #declare R2 = 83.912; #declare Nex = 8.138; #declare D2 = 28.00; #include "lenspp.inc" #declare Lens0405 = object { LensPP translate z*ThisOrigin } // The third lens #declare LnzNum = 3; #declare AspR1 = no; #declare AspR2 = no; #declare LensBlnk = texture { GlasBlnk } #declare LensOpen = material { Glas__BAK4 } #declare R1 = 132.593; #declare Thk = 12.000; #declare D1 = 30.00; #declare R2 = 91.913; #declare Nex = CL7 ; #declare D2 = 30.00; #include "lenspm.inc" #declare Lens0607 = object { LensPM translate z*ThisOrigin } // The fourth lens #declare LnzNum = 4; #declare AspR1 = no; #declare AspR2 = no; #declare LensBlnk = texture { GlasBlnk } #declare LensOpen = material { Glas__BAK4 } #declare R1 = 136.203; #declare Thk = 6.000; #declare D1 = 28.00; #declare R2 = 204.774; #declare Nex = CL9; #declare D2 = 28.00; #include "lenspm.inc" #declare Lens0809 = object { LensPM translate z*ThisOrigin } // The fifth lens #declare LnzNum = 5; #declare AspR1 = no; #declare AspR2 = no; #declare LensBlnk = texture { GlasBlnk } #declare LensOpen = material { Glas__BAK4 } #declare R1 = 688.808; #declare Thk = 3.000; #declare D1 = 28.00; #declare R2 = 54.493; #declare Nex = 15.000; #declare D2 = 26.00; #include "lensmp.inc" #declare Lens1011 = object { LensMP translate z*ThisOrigin } #declare ZoomProj = intersection { union { object { Lens0203 } object { Lens0405 } object { Lens0607 } object { Lens0809 } object { Lens1011 } } plane { x, 0.15 pigment { rgb<0.5,1,0.5> } finish { ambient 1 } } plane { x, -0.15 pigment { rgb<0.5,1,0.5> } finish { ambient 1 } inverse } } object { ZoomProj photons { target refraction on reflection off } } camera {location x*3e4+z*125 look_at z*125 angle 0.55} /**************************************************************************************************/ | |
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© Don
Barron 2005 | |