#declare fnRMF=function{"ridgedMF",<0.07, 2.2, 7, 0.6, 0.9>}  
      
#declare M_Watx4=      
  material {     
    texture {
      pigment { rgbt <0.2, 0.22, 0.21, 0.8> } 
      finish { 
        specular 0.45
        roughness 0.06  
        ambient 0.0
        diffuse 0.01 
        reflection_type 1     
        conserve_energy
        metallic 0.5       
      }     
    }   
    interior {
      ior 1.309  
      fade_distance 1.5
      fade_power 1001.0
      fade_color <0.02, 0.3, 0.12>
    }  
  }  
                     
isosurface {                  
  function { z-fnRMF(x*5.5*1.2, y*4*1.2, 0)*0.046 }
  method 2   
  max_gradient 4 
  //eval
  accuracy 0.001
  contained_by { box { <-1000, -1000, -4>, <1000, 1000, 0.1> } } 
  material { M_Watx4 }  
} 

-- 
Christoph Hormann <chr### [at] gmxde>
IsoWood include, radiosity tutorial, TransSkin and other 
things on: http://www.schunter.etc.tu-bs.de/~chris/

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