//---------------------------------------------------------------------
height_field{ png "Mount1.png" smooth double_illuminate
              // file types: 
              // gif | tga | pot | png | pgm | ppm | jpeg | tiff | sys
              // [water_level N] // truncate/clip below N (0.0 ... 1.0)
              translate<-0.5,-0.0,-0.5>
              scale<50,7,50>*1 
              texture{ pigment { color rgb <0.82,0.6,0.4>}
                       normal  { bumps 0.75 scale 0.025  }
                     } // end of texture
              rotate<0, 0,0>
              translate<2,0,30>
            } // end of height_field ----------------------------------
//---------------------------------------------------------------------