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On 8/19/19 3:18 PM, Kima wrote:
> I can use bezier_spline set of points in lathe as
>
> lathe {
> bezier_spline
> 80
> <2.00, 1.00>, <1.00, 1.50>, <3.00, 3.50>, <2.00, 4.00>
> <2.00, 4.00>, <3.00, 4.50>, <1.00, 6.50>,<2.00, 7.00>
> pigment { color rgbt<0.4,0.2,1,.5>}
> finish { ambient 1 }
> }
>
> but when I use the same set in prism as
>
> prism {
> bezier_spline
> 0,1,1,
> // 80
> <2.00, 1.00>, <1.00, 1.50>, <3.00, 3.50>, <2.00, 4.00>
> <2.00, 4.00>, <3.00, 4.50>, <1.00, 6.50>,<2.00, 7.00>
> pigment { color rgbt<0.4,0.2,1,.5>}
> finish { ambient 1 }
> }
>
> I get an error, "Prism with Bezier splines must have four points per segment."
> Where did I do wrong?
>
>
Hi. Not sure how either works. In the first where you have '80' I think
it should be '8,'. In the second where you have '0,1,1,' I think
'0,1,8,' is what is needed. In the latter the parser is probably seeing
the 1 as the point count and saying you need at least 4 for a valid
segment.
Bill P.
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