I am having difficulty with the linear spline prism
with a conic sweep.  But before I issue a bug report,
I would appreciate it if someone could give this
test script a quick run to make sure I'm not doing
something stupid.....

This is supposed to be a closed truncated pyramid,
but instead I get an open truncated pyramid and a misplaced
face.  But please, check for yourself.

I am running 3.1r1 W95..... but I suspect this is a
core renderer problem (platform independent).

Dan

========================================

#declare V0 = <0, -3, 0>;
#declare V1 = V0 + <-5, 9, -8>;

camera {
  location V1
  look_at V0
}

light_source {
  V1
  color rgb 0.5
}
light_source {
  V1 * <-1, 1, 1>
  color rgb 0.5
}


prism {
  linear_spline
  conic_sweep
  -4, -2,
  4,
  <1, 1>, <-1, 1>, <-1, -1>, <1, -1>
  //open
  pigment { color rgb 1 } 
  finish { diffuse 0.5 ambient 0.5 }
}

--- 
http://www.flash.net/~djconnel/

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