On Sat, 28 Feb 2015 13:56:37 +0200, Le_Forgeron <jgr### [at] freefr> wrot
e:


>> -Nekar Xenos-
>>
>>

SInce I can'te reply to myself, I'll post this here. It seems there was 
 

something that gave off a lot of yellow tint radiosity. Maybe there was 
a  

taxi behind the photographer. here's a quick scene that basically  

demonstrates the principle:




  // Persistence of Vision Ray Tracer Scene Description File
// based on Radiosity scene.pov
// Radiosity sample for POV-Ray version 3.7
//
// Based on a scene by Friedrich A. Lohmueller, Dec 2010
// Derived from a sample of Bob Hughes,2001
//----------------------------------------------------------------------
----
#version 3.7;
#default{ finish{ ambient 0.1 diffuse 0.9 }}
//----------------------------------------------------------------------
----
#default{ finish{ ambient 0 diffuse 1 }}
//------------------------------------------
#include "shapes.inc"
#include "colors.inc"
#include "textures.inc"
//------------------------------------------

global_settings{
   ambient_light 1
   radiosity {
          // pretrace_start 1
          // pretrace_end 1
           error_bound 0.6
           count 50
          // brightness 1
          // gray_threshold 0
          // media on
          // normal on
           recursion_limit 2
        } // --------------
  }// end global_settings
// ----------------------------------------



camera{ location  <0, 14, -20>
         right   x*image_width/image_height
         rotate 12*y
         look_at   <-1.25,2.8,0>
         angle 33
       }

sky_sphere{ pigment { color rgb <1,1,.1>*100} }

// fog  

---------------------------------------------------------------------

// ground  

------------------------------------------------------------------
plane{ <0,1,0>, 0
       pigment{ color rgb 1}

      } // end of plane
// -----------------------------------------
//box{-50,50 hollow pigment{colour rgb <1,1,0>}finish{diffuse 1}}

union {
#for (Cnt,1,3)
   difference {
      box {<-1,-1,-1>,<1,1,1> }
      sphere {0,1.40 inverse  }
      sphere {0,1.25}
      texture{ pigment{ color rgb ((Cnt/2)=(int(Cnt/2)))*<.1,.1,.7>+.0
3}//  

Blue/Black
               finish{ phong 1 diffuse 1-Cnt/10 }
             }
      translate<0,0,0>
      scale 1+Cnt*0.65
      translate <0,1+Cnt*0.30,0>
      rotate Cnt*<0,-22,0>
    }//----------
#end
scale <1,1,1>
translate<0,1,0>
}
// -----------------------------------------



-- 

-Nekar Xenos-

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