// Calculating the variable 'Hor' in advance is OK
//    but in 'runtime' it results in strange horizontal lines...
//    example by Sander Stols

#include "stones1.inc"

global_settings { assumed_gamma 2.2 }

#version unofficial MegaPov 0.5;

#declare Res      = 4096;
//#declare Hor      = 21.333;      // NO horizontal lines here
#declare Hor      = Res/1536*7;    // horizontal lines here!
#declare X        = 7739;
#declare Y        = 1126;

camera {			//orthographic
	location <X, 3001, -Y>
	right    -1920*x  
	up        1440*z  
	look_at  <X, 3000, -Y>
	orthographic
	scale    <1,1,-1>
}

light_source{
  <12707,500000,11678>
  color 1
  shadowless}


prism               
  {linear_sweep linear_spline 0, 1, 75, 
  <8309,-416>,  //1
  <8309,-167>, 
  <8765,-167>, 
  <8765, 104>, 
  <9082, 104>,  //5
  <9076, 157>,  
  <9093, 157>, 
  <9093, 180>, 
  <9076, 180>, 
  <9035, 377>,  //10
  <9035, 415>,  
  <8675, 415>, 
  <8675,1355>, 
  <9158,1355>, 
  <9158,1413>,  //15
  <9149,1413>,  
  <9149,1609>, 
  <9167,1609>, 
  <9167,1677>, 
  <8924,1677>,  //20
  <8924,1665>,  
  <8639,1665>, 
  <8639,1691>,
  <8440,1691>, 
  <8440,1653>,  //25
  <8101,1648>,  
  <8101,1633>, 
  <7954,1633>, 
  <7954,1607>,  
  <7940,1607>,  //30
  <7940,1586>,  
  <7954,1586>, 
  <7954,1554>, 
  <7940,1554>,  
  <7940,1510>,  //35
  <7978,1510>,  
  <8010,1378>, 
  <8106,1126>, 
  <8010, 851>, 
  <7739, 740>,  //40
  <7468, 851>,  
  <7372,1126>, 
  <7468,1378>, 
  <7500,1510>,  
  <7538,1510>,  //45
  <7538,1554>,  
  <7521,1554>, 
  <7521,1586>, 
  <7538,1586>,  
  <7538,1607>,  //50
  <7521,1607>,  
  <7521,1633>, 
  <7389,1633>, 
  <7389,1639>,  
  <7046,1653>,  //55
  <7040,1691>, 
  <6821,1691>, 
  <6821,1668>, 
  <6581,1668>,  
  <6581,1674>,  //60
  <6341,1683>,  
  <6332,1615>, 
  <6361,1615>, 
  <6361,1355>,  
  <6815,1355>,  //65
  <6815, 415>,  
  <6399, 415>, 
  <6320, 157>, 
  <6294, 157>,  
  <6294, 104>,  //70
  <6715, 104>,  
  <6715,-167>, 
  <7155,-167>, 
  <7155,-416>,  
  <8309,-416>   //75
  texture{T_Grnt12 scale 200} 
  scale <1,1500,1>
  translate<-50,0,25> 
  }