[CST-2] Advanced Graphics

[pjt33@cam.ac.uk]

> Yes but in that example, it actually DOES have two intersection points,
> one of which happens to be negative, but at that stage I've not removed
> this.  But is this necessarily the case for all other examples?

I'm not sure what you mean by "all other examples".  To take one,

>    If you have 1 intersection point only then it can't have cross
> through an end-cap ???


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Peter
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Peter Taylor
pjt33@cam.ac.uk