On Tue, 28 Apr 1998, miro wrote:
>How can I fraction a sphere in slices as those of the oranges or lemons and
>that, furthermore, they have different widths? For example, one a 40
>percent, other a 10 percent, other a 30 percent  and other a 20 percent?

intersection {
  sphere{ <0,0,0>,1}
  plane {<0,0,1>,0}
  plane{ <0.618034,0,0.7861514>,0}
  }

If the sector is more than 90 degrees, do a difference, or take the
intersection of the sphere with the union of two planes.

phma

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