Andrew <ast### [at] hotmailcom> wrote:
: Can anyone tell me how I would go about determining if a point will be
: in view given its coordinates and the camera's parameters?

  Just as a side note: This is not possible in a general case (or at least
very difficult to do accurately).
  Why? Because POV-Ray accepts quite complicated camera definitions. For
instance, just the fact that you can apply a "normal modifier" pattern to
the camera rays makes it practically impossible.

  Of course I know you are just talking about a regular perspective camera...

-- 
#macro N(D,I)#if(I<6)cylinder{M()#local D[I]=div(D[I],104);M().5,2pigment{
rgb M()}}N(D,(D[I]>99?I:I+1))#end#end#macro M()<mod(D[I],13)-6,mod(div(D[I
],13),8)-3,10>#end blob{N(array[6]{11117333955,
7382340,3358,3900569407,970,4254934330},0)}//                     - Warp -

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