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In lugnet.cad.dat.parts, Tony Hafner writes:
> Here's something I whipped up that I find extremely useful for patterned
> parts in particular. When trying to put something inside a circle (or
> anywhere near a curved section), this lets you avoid 2 problems:
> 1: having to calculate the awkward intercept points of a
> line intersecting the surrounding segmented circle
> 2: the gap problem associated with doing so and then rendering
> it in POV-Ray
>
> Sure, you only recover 50% of the surrounding square's area (~= 64% of the
> disc's area)- but that's enough to do a lot.
>
> It's a 90-degree "segment": the region between a subarc and a chord. I
> adapted the code from a quarter disc (by moving the 0,0,0 points to .5,0,.5)
> and added conditional .POV code so that it comes out smoothly.
>
>
> Tony Hafner
> www.hafhead.com
I can see this having some use. I'd name it 1-4segm.dat.
Chris
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