Thomas de Groot <tenDOTlnDOTretniATtoorgedDOTt> wrote:
> On 21-7-2011 14:29, kiwon wrote:
> > Thomas de Groot<tenDOTlnDOTretniATtoorgedDOTt>  wrote:
> >> On 21-7-2011 10:16, kiwon wrote:
> >>>     #declare myvolume = union {
> >>>       box {0, 1 clipped_by {mysurface}}
> >>>       mysurface
> >>>     }
> >>>
> >>
> >>
> >> Try:
> >>
> >> #declare myvolume = union {
> >>     box {0, 1 clipped_by {mysurface}}
> >>     object {mysurface}
> >> }
> >
> > Tried, but the same error msg on the "clipped_by" line:
> > Parse Error: Illegal texture or patch in clip, bound or object pattern.
> > The clipped_by doesn't seem to work with mesh2.
> >
> >
> >
> >
> What about:
>
> #declare myvolume =
> intersection {
>    box {0, 1}
>    object {mysurface}
> }

Doesn't work. It keep only mysurface. The following are a simple test codes
for my purpose:

#version 2.7

global_settings {
  assumed_gamma 1.33
  max_trace_level 30
}

camera {
  right -x*image_width/image_height
  location <0.0, 2.2, 2.7>
  look_at <0.0, 0.5, 0.5>
}

light_source {
  <500, 500, -200>
  color rgb 1.3
}


#declare myF = finish {
  ambient 0
  diffuse 0
  phong 1
  phong_size 200
  reflection {
    0.01, 1
    fresnel on
  }
  conserve_energy
}

#declare myT = texture {
  pigment { rgbf <0.9,0.3,0.3 0.95> }
  finish { myF }
}

#declare myI = interior {
  ior 1.33
  fade_distance 10
  fade_power 2
}

#declare myM = material {
  interior{myI}
  texture {myT}
}

#declare TestSurf = mesh2 {
  vertex_vectors {
    4,
    <0, 0.5, 0>,
    <1, 0.5, 0>,
    <0, 0.5, 1>,
    <1, 0.4, 1>,
  }
  face_indices {
    2,
    <0, 1, 3>,
    <0, 3, 2>,
  }
  inside_vector y
}

#declare TestVol = union {
  box{0, 1 clipped_by{TestSurf}}
  TestSurf
}

#declare TestObj = object {
  TestVol
  translate <-0.5, -0.5, -0.5>
  material {myM}
}

sky_sphere {
  pigment {
    gradient y
    color_map {
      [0.0 rgb <0.6, 0.7, 1.0>]
      [0.7 rgb <0.0, 0.1, 0.8>]
    }
  }
}

plane {
  y, -0.2
  texture {
    pigment { color rgb <1.0, 0.8, 0.6> }
    finish { ambient 0 diffuse 1 }
  }
}

object {
  TestObj
  translate <0, 0.5, 0.5>
}

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