Hi, I've been writing a PyX-based library (http://projects.hepforge.org/pyfeyn/) which makes a lot of use of the coil deformer for arbitrary lines. For display reasons, it would be nice if I can offer a "3D" variant of the coil line, where the line isn't drawn for a short distance around one branch of its self-intersection, giving the impression that you're actually looking at a 3D coil. (It's hard to describe... maybe the examples in the tutorial PDF linked from http://www.feyndiagram.com will explain.)
Any suggestions how I can get this effect? The obvious thing would be to know the line param values for the self-intersection and then to split the line and remove the segments around those points. But I don't know how to get those intersection parameters - the fact that it's a deformation of an arbitrary line means I can't use a standard regular parameterisation and I get a roughly infinite number of points if I actually ask the line for its intersection points with itself! Any bright ideas? :) Cheers, Andy PS. I think we can assume that the line that's been deformed doesn't itself self-interact... so that's not a concern. ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys-and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV _______________________________________________ PyX-user mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/pyx-user
