I've encountered a problem with the blob primative where blob components 
above a certain size disappear completely.  The code below demonstrates the 
problem.  With D=1, the scene renders correctly; with D=2 (blob size == 
400), Pov generates a blank image.

#local D = 2;
blob
{
    threshold 0.75
    sphere {<0,0,0>, 200*D, 1}
    pigment {rgb 1}
    sturm  //makes no difference
}

camera {location <0,0,750>*D look_at 0}
light_source {<0,0,750>*D color rgb 1}



HW: Win2K running on a Celeron 400 CPU with 128MB ram.

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