strange - i don't get any runtime messages, but it seems like you have to place the profile curve in the origins of the circles(0-parameter) to get the sweep result.
see attached file: http://grasshopper3d.googlegroups.com/web/sweep_2.ghx?hl=en&gsc=ADpe8wsAAACfADyqG6hiJWkpeinwDx1Q On Apr 24, 3:08 am, Justin <[email protected]> wrote: > i'm having difficulty with the sweep two rails component in > grasshopper. i am essentially trying to use two circles as rails, > while sweeping a profile curve around them. all three elements are > generated in grasshopper. most of the time it has been working, but > sometimes it gives the error "73 iterations were required to find the > section/rail cp param" although i believe it is not always 73. in this > case, no sweep is drawn. > > the specific example i am working on at the moment is a horizontal > circle and another circle rotated about 45 degrees off of the > horizontal. a simple line connects them at their closest points, and i > am trying to use the circles as rails, the line as the profile curve. > if i bake all three curves and sweep them in rhino, it works very > quickly and easily. i'd like to understand why this isn't working, or > at least tricks to avoid it. > > thanks, > justin
