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WATER/WATERBOW.POV

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+// Persistence Of Vision raytracer version 1.0 sample file.
+
+// By Various and Sundry
+//
+// Revision Note:
+// Reworked both the declared wood texture (turb and colormap) and
+// the application of it on the floor plane.
+// Note that wood doesn't really look like much until you get around
+// 640x480.  Anti-aliasing helps even more to bring out the detail.  -dmf
+
+#include "shapes.inc"
+#include "colors.inc"
+#include "textures.inc"
+
+// a light tan wood with brown rings
+#declare New_Tan_Wood = texture {
+   wood
+   turbulence 0.03
+   colour_map {
+      [0.0 0.4  colour red 0.6 green 0.45 blue 0.25
+      colour red 0.65 green 0.45 blue 0.25]
+      [0.4 1.01 colour red 0.6 green 0.4 blue 0.2
+      colour red 0.25 green 0.15 blue 0.05]
+   }
+}
+
+camera {
+   direction <0.0 0.0  1.0>
+   up  <0.0  1.0  0.0>
+   right <1.333 0.0 0.0>
+   translate <0.0 0.0 -56.0>
+}
+
+
+// A bowl
+object {
+   intersection {
+      sphere { <0.0 0.0 0.0> 1.0 }
+      sphere { <0.0 0.0 0.0> 0.9 }
+      plane {  <0.0 1.0 0.0> 0.5 }
+   }
+   bounded_by {
+      sphere { <0.0 0.0 0.0> 21.0 }
+   }
+   scale < 20.0 20.0 20.0 >
+   texture {
+      colour Red
+      ambient 0.2
+      diffuse 0.8
+      reflection 0.1
+   }
+   colour Red
+}
+
+// Water
+object {
+   intersection {
+      sphere { <0.0 0.0 0.0> 1.0 }
+      plane { <0.0 1.0 0.0> 0.49 }
+   }
+   bounded_by {
+      sphere { <0.0 0.0 0.0> 21.0 }
+   }
+   scale < 19.5 19.5 19.5 >
+   texture {
+      ripples 0.5
+      frequency 100.0
+      scale <100.0 100.0 100.0>
+      reflection 0.6
+      refraction 0.6
+      ior 1.2
+   }
+   colour Grey
+}
+
+
+// Wood floor
+object {
+   plane { <0.0 1.0 0.0> -20.0 }
+
+   texture { 0.015            // seems to reduce "moire" effect on the grain
+
+      New_Tan_Wood            // Think of a log, facing you...
+      scale <2 2 1>           // z is infinite, so 1 is ok...
+      rotate <0 90 0>         // turn the "log" to the x axis
+      rotate <0.0 0.0 10.0>   // tilt the log just a little bit
+      translate <0 -4  0>     // lift it to where the rings are larger
+      rotate <5 0 0>          // tip it again, this time on x axis
+
+      ambient 0.15
+      diffuse 0.75
+      reflection 0.1
+   }
+   colour Tan
+}
+
+
+// Back wall
+object {
+   plane { <0.0 0.0 1.0> 100.0 }
+
+   texture {
+      Red_Marble
+      scale <100.0 100.0 100.0>
+      ambient 0.15
+      diffuse 0.8
+      reflection 0.1
+   }
+   color Pink
+}
+
+// A sky to reflect in the water
+object {
+   plane { <0.0 1.0 0.0> 150.0 }
+
+   texture {
+      colour red 0.5 green 0.5 blue 1.0
+      ambient 0.15
+      diffuse 0.8
+   }
+   colour red 0.5 green 0.5 blue 1.0
+}
+
+// Light source
+object {
+   light_source { <100.0  120.0  -130.0>
+      colour White
+   }
+}