POV-Ray : Newsgroups : povray.advanced-users : Photons, in version 3.6 to 3.7 : Re: Photons, in version 3.6 to 3.7 Server Time
16 Apr 2024 02:04:03 EDT (-0400)
  Re: Photons, in version 3.6 to 3.7  
From: Albun
Date: 8 May 2019 10:15:01
Message: <web.5cd2e3a88f793cd437fe761b0@news.povray.org>
Here is the file, no_image is in sphere.


#version 3.7;



#include "colors.inc"

#declare Camera_0 = camera {perspective angle 75               // front view
                            location  <0.0 , 1.0 ,-3.0>
                            right     x*image_width/image_height
                            look_at   <0.0 , 1.0 , 0.0>}

camera{Camera_0}



#declare Photons = on;

#declare Interior =
interior {
 fade_distance 2
 fade_power 3
 ior 1.45
 dispersion .05
 dispersion_samples 12
}
#macro PhotonBlock()
 #if(Photons)
  photons {
   target
   collect off
   reflection off
   refraction on
  }
 #end
#end

#declare Intensity = 12;
#declare L_Fade_Distance = 40;
#declare L_Fade_Power = 1;

#declare Area_Light=off;
#declare ALL = 1;//area light height (width?)
#declare ALW = 8;//area light width
#declare ALR = 5;//area light resolution


global_settings { ambient_light .1
 assumed_gamma 1.3
 max_trace_level 5
 #if(Photons)
  photons {spacing 0.0015}  //0.015
 #end
}


light_source{< 0,0,30> White*Intensity
 #if(Area_Light)
  area_light x*ALL, z*ALW, ALR, ALR
  adaptive 1
  jitter
 #end
 fade_distance L_Fade_Distance
 fade_power L_Fade_Power
 #if(Photons)
  photons {refraction on reflection off}
 #end
rotate<-5,0,0>
}
// sky ----------------------------------------------------------------------
sky_sphere { pigment { gradient <0,1,0>
                       color_map { [0.00 srgb <0.6,0.7,1.0>]
                                   [0.35 srgb <0.1,0.0,0.8>]
                                   [0.65 srgb <0.1,0.0,0.8>]
                                   [1.00 srgb <0.6,0.7,1.0>]
                                 }
                       scale 2
                     } // end of pigment
           } //end of skysphere
// ground -------------------------------------------------------------------
plane{ <0,1,0>, 0
       texture{ pigment{ checker color srgb<.8,.8,.8> color srgb<0.5,0.5,0.5>*1}

              } // end of texture

     photons {collect on}

     } // end of plane
//---------------------------------------------------------------------------
//---------------------------- objects in scene ----------------------------
//---------------------------------------------------------------------------

 #declare GlassTex =
texture {
 pigment {color srgbf <1, 1, 1, 1>}
 finish {
  reflection 0.05
  specular 1
  roughness 0.001
  metallic on
  irid {0.65             // contribution to overall color
   thickness 0.8    // affects frequency, or "busy-ness"
   turbulence 0.1   // Variance in film thickness
  }
 }
}


// sample sphere
sphere { <0,0,0>, 1.00
         texture { GlassTex} // end of texture
         interior {Interior}
 PhotonBlock()


        no_image   ///////////////////////

          scale<1,1,1>  rotate<0,0,0>  translate<0,1.35,0>

       }  // end of sphere -----------------------------------


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