Hi Evan, sorry, I forgot to mention you also have to enable the LIST option for the A and B input parameters.
-- David Rutten [email protected] Robert McNeel & Associates On Feb 20, 5:03 am, evanc <[email protected]> wrote: > Thanks for the help... but I'm getting errors from the VB component - > > "Public member 'Count' on type 'On3dPoint' not found." > > any ideas? I'm totally new to VB script... until today I had assumed > it was the same as rhinoscript. but apparently not... > > i'm on a school computer that won't allow me to install the latest GH, > so i'm using 0.5.0093, don't know if that's the issue, but I'll try > again at home with v99... > > On Feb 19, 3:00 pm, David Rutten <[email protected]> wrote: > > > Hi Evan, > > > If you want to do this through a script, I suggest the following: > > > - Create a VB Script component and give it 3 inputs. A (no object > > hint, or maybe On3dPoint), B (same as A) and N (hint = Integer) > > - Rename the output to V (you cannot have an input and an output with > > the same name) > > - Inside the script component, you'll see the following script layout: > > > Sub RunScript(ByVal A As List(Of On3dPoint), ByVal B As List(Of > > On3dPoint), ByVal N As Integer) > > ''' <your code> > > > ''' </your code> > > End Sub > > > - In between the <your code> tags, write the following: > > > Dim pts As New List(Of On3dPoint) > > > For i As Integer = 0 To A.Count - 1 > > If ((i Mod N) = 0) Then > > pts.Add(A(i)) > > Else > > pts.Add(B(i)) > > End If > > Next > > V = pts > > > This is an example of how to build a new list from elements of two > > input lists. > > > I'll also add some special components that will make this kind of data > > management a lot easier. But those obviously won't be available until > > the next release. > > > -- > > David Rutten > > [email protected] > > Robert McNeel & Associates > > > On Feb 19, 8:15 pm, evanc <[email protected]> wrote: > > > > So, I'm trying to populate a surface with apertures based on the > > > surface UV curves. > > > > here's a quick "manual" > > > example:http://farm4.static.flickr.com/3497/3292633785_d327ccf8e1.jpg > > > > So, what i've done is extracted 3 isocurves from the surface, turned > > > on the control points and drawn new curves through the points.... in > > > this case, 3 point on the middle curve, 1 on the next curve over, 3 on > > > the middle curve... etc etc. > > > > so i've got a grasshopper def started, it takes two curves, lofts > > > between them, and arrays a grid of UV points on this surface. > > > > the first thing i need to do is separate those points into just the V > > > curves.... which i've done by splitting the list (over and over > > > again.... a loop funtion would be nice, but i'm not sure how to do > > > this). It's not clean, but it works and i now have a data stream for > > > every V curve of the surface... > > > > so, like in the image above, i have three curves, and i want to draw 2 > > > new curves based on their control points... > > > > existing curves: > > > curve1point1 curve2point1 curve3point1 > > > curve1point2 curve2point2 curve3point2 > > > curve1point3 curve2point3 curve3point3 > > > curve1point4 curve2point4 curve3point4 > > > curve1point5 curve2point5 curve3point5 > > > curve1point6 curve2point6 curve3point6 > > > curve1point7 curve2point7 curve3point7 > > > curve1point8 curve2point8 curve3point8 > > > curve1point9 curve2point9 curve3point9 > > > curve1point10 curve2point10 curve3point10 > > > curve1point11 curve2point11 curve3point11 > > > curve1point12 curve2point12 curve3point12 > > > curve1point13 curve2point13 curve3point13 > > > curve1point14 curve2point14 curve3point14 > > > > and i want the new curves to be drawn like this: > > > curve2point1 curve2point1 > > > curve2point2 curve2point2 > > > curve2point3 curve2point3 > > > curve1point4 curve3point4 > > > curve2point5 curve2point5 > > > curve2point6 curve2point6 > > > curve2point7 curve2point7 > > > curve1point8 curve3point8 > > > curve2point9 curve2point9 > > > curve2point10 curve2point10 > > > curve2point11 curve2point11 > > > curve1point12 curve3point12 > > > curve2point13 curve2point13 > > > curve2point14 curve2point14 > > > > so it should be pretty easy i think, but i might need a script module > > > and i dont know how to do that.... it's simply a matter of replacing > > > every Nth item in one array with every Nth item in another array.... > > > > what's the best way to handle this?
