Thank you very much!!! You are so kind to not only solve my problem but also tell me to solve future problems!!!
Best Grandtour On Apr 13, 10:56 pm, damien_alomar <[email protected]> wrote: > Okay, after looking at your definition, I take back all of the stuff > that I wrote above because its none of that. Your issue is how you're > actually creating the polylines themselves. All the points are fine, > but the problem is that you're supplying the start and end points > twice and then closing off the polyline. This means that there's > actually a line segment between two coincident points in your > polyline. This is what's causing the problem when projected. > > The solution is to remove those extra points, so that the polyline is > better structured. To do this I just trimmed off the last element in > the list for points that made each polyline. After that, it worked as > expected. > > As a general note, sometimes its helpful to use Rhino to find where > potential issues might be. Basically if you bake something, try it in > Rhino, and it still fails, then its most likely an issue with the > geometry itself rather than the given operation. If Rhino can do it > and GH can't, then there might be more of an issue. Also, having the > geometry within Rhino allows for more manual inspection. I probably > wouldn't have been able to find this if I hadn't baked it in Rhino, > tested if project worked, then looked closer at the geometry itself. > Just some useful points next time you run into something. > > Best, > Damien > > On Apr 13, 10:31 am, damien_alomar <[email protected]> wrote: > > > > > I think your issue might be with the geometry that you're trying to > > project the curves onto. There are maybe a few things I would try. > > First I would try scaling up the geometry, since the curves look like > > they might lie just off the edge. Second I would actually extrude the > > curves with the same projection vector through the surface and see > > what the intersection curves end up like. > > > Best, > > Damien > > > On Apr 12, 10:04 am,Grandtour<[email protected]> wrote: > > > > look at this picture which is more clear(http:// > > > grasshopper3d.googlegroups.com/web/Snap60%E5%89%AF%E6%9C%AC.jpg? > > > hl=en&gda=VtqwOE4AAAC19Ve3i4OoV9kZmG4Q4mscNIkyP- > > > tCUghW1QuVVlVA61YqcskqebAbKftsofvUXEUn7qXJT5AHaveIBVLZAuxz47Cl1bPl-23V2XOW7kn5sQ&gsc=qfXejhYAAADUzyauo2L8w- > > > tO_BGKbWcFaKk2tFLs90LD5qOQGCC3Kw)- Hide quoted text - > > - Show quoted text -
