The following scene gives quite different reflections in the official pov3.1g and
versions of MegaPOV. I tried PvMegaPOV 0.7 and MpovPlus 0.5, they both gave the
different rendering from the official. I posted them in p.b.i.

I don't know exactly which result is the more realistic one. Though I would like
to know why there is this difference. Megapov also takes 3 times longer to render
and reports much more reflections in the stats.

- Micha

// begin code

#include "glass.inc"
#include "colors.inc"

global_settings{max_trace_level 50 adc_bailout 1/32}

camera
{
location <0,2,-3>
look_at <0,0,1.>
}

light_source
{  0,  color 1
  translate <1,2.5,-2>
}

cylinder{0,<0,1,0>,1
texture{
        pigment { color rgbf <0.98, 0., 0., 0.9> }
        finish {
                diffuse 0.2
                reflection 0.5
                specular 0.8
                roughness 0.003
                }
        }
interior{I_Glass}
}

// end code

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