#include "AutoClck.mcr"

camera {
   location <-.35 * clock, .1 / clock, clock>
   look_at <.25, -0.15, 0.1>
}

light_source { <-5, 30, 0> color <1,1,1> }	 // sunlight
light_source { <100, 500, 10000> color <1,1,1> } // ambient light

height_field {    
    // tga "srtm.tga"
    png "srtm.png"
    smooth  
    pigment {
	image_map {
	    png "composite.png"
	    interpolate 2
	    once
	} 
	rotate <90, 0, 0>
    }
   finish {
	ambient 0.05
	diffuse 1.1
	specular 0.01
	roughness 5
   }
   translate <-0.5, 0, 0>
   scale <1, .05, 1> 
}

/*
sky_sphere {
    pigment {
      gradient y
      color_map {
        [ 0.2  color <.5 .75 1> ]
        [ 1.0  color <0 0 .5> ]
      }
      scale 2
      translate -1
    }
}
*/
#declare myCloud1 = 
    pigment {
	bozo
	turbulence 0.65
	octaves 6   
	omega 0.7
	lambda 2
	color_map {
	    [0.0 0.1 color rgb <0.85, 0.85, 0.85>
		color rgb <0.75, 0.75, 0.75>]
	    [0.1 0.5 color rgb <0.75, 0.75, 0.75>
		color rgbt <1, 1, 1, 1>]
	    [0.5 1.0 color rgbt <1, 1, 1, 1>
		color rgbt <1, 1, 1, 1>]
	}
    scale <0.4, 0.2, 0.4>
    }
    
#declare myCloud2 =
    pigment {
	bozo
	turbulence 0.75
	octaves 5   
	omega 0.8
	lambda 3
	color_map {
	    [0.0 0.1 color rgb <0.85, 0.85, 0.85>
		color rgb <0.75, 0.75, 0.75>]
	    [0.1 0.5 color rgb <0.75, 0.75, 0.75>
		color rgbt <1, 1, 1, 1>]
	    [0.5 1.0 color rgbt <1, 1, 1, 1>
		color rgbt <1, 1, 1, 1>]
	}
    scale <0.4, 0.2, 0.4>
    }

sky_sphere {
    pigment {
	gradient y
	color_map {
	    [0 color rgb <.45,.54,.8>]
	    [1 color rgb <0.2, 0.2, 1>]
	}
    }
    pigment { 
	Pigment_From (0, myCloud1 )
	Using ( "", 1, 1, "" )
	Pigment_To (1, myCloud2 )
	}  }
    rotate 
	From (0, <0, 0, 0>)
	Using ("", 1, 1, "")
	To (1, <-10, 0, 0>)
      scale 2
      translate -1
}