Le 06/10/2010 22:10, Marco a écrit :
> So this is basically the pov-csg`which is puzzling me: the sphere with radius 4
> produces a disproportionally large cylinder compared to the radius 3:
> http://home.ooijer.com/povray-conesphereradius3.jpg
> http://home.ooijer.com/povray-conesphereradius4.jpg

The second link is unavailable.

What is your issue ?

Did you notice that:
 1. you did not provide a full minimalist scene (no camera)
 2. the center of the sphere is not on the center of the cone/disc, ergo
perspective (camera ???) might have some influence.
 3. #declare a=object{union{.. could be simplified to #declare a=union
 4. the posted extract does not use any Blue... so how did you end up
with the first link's image ?
 5. seamless fusion of sphere & cone is not at the sphere's equator.
 (it is at the equator for cylinder, but not for a cone)

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