Ok. I naively thought (hoped!) the following would work, but apparently not:


#include "/home/twostepgen/PTV0.inc"

// here is the array of camera roll angles - angles are exaggerated for effect

#declare cameraRoll= array[15]
{10,20,30,40,50,60,70,80,90,100,110,120,130,140,150}
camera {
   perspective
   location <0 100 0>
   up <0,0,-1>
   right <-1.33,0,0>
   angle 11.9882
   look_at <0 0 0>

// attempt to insert the cameraRoll angle into the rotation orbit
rotate <0,cameraRoll[clock],-(178+(clock*-356))>
}
 light_source { <0,10,0> color rgb 1 }

object{PTV0 translate <0.775167,-18.0811,7.82013e-05>}

However this naive approach does not work. All rotation angles appear to be at
10 degrees i.e. cameraRoll[1]. It seems that I cannot use the rotate in this
way.
>
> Some samples:
> #declare Value = Array[Some_Integer];
>
> camera{location Array[Some_Integer1]
>   look_at Another_Array[Some_Integer2]
>   rotate Array_Of_3D_Vectors[Some_integer3]
>   angle A_Fourth_Array[Some_Integer4]
> } // extreeme example where most of the camera's parameters are
>   // defined using arrays.
>
> For the windows version documentation:
>
> 3.2.1.8 Array Identifiers
>
> General online documentation:
>
> http://www.povray.org/documentation/view/3.6.1/233/
>
>
>
> Alain

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