Thanks guys! I was using "Plane" and "Plane Components" which seemed a bit rough around the edges, but I've found it simpler in the end to get my head around, a bit more visual.
Thanks again! Pax On 05/02/2009, dingle <[email protected]> wrote: > > > whoops, beaten to the punch > > On Feb 5, 1:45 pm, dingle <[email protected]> wrote: > > i'm not sure if this is there is a faster way, but i use the curve > > frame component at the desired parameter on the curve. this creates a > > plane, which you can then decompose into parts. the each of the X & Y > > axes correspond to tangent and perpendicular. > > > > http://grasshopper3d.googlegroups.com/web/linetangenttocurve.jpg > > > > On Feb 5, 11:25 am, Pax <[email protected]> wrote: > > > > > Hey all, > > > > > Is there a function I'm not seeing from which I can get a tangent > > > vector off a curve? I would like to feed this into the ArcSED > > > component to get a second arc adjacent to an arc I already have, > > > maintaining tangency between them. > > > > > Any help would be greatly appreciated! > > > > > Many thanks.
