Rodrigo, the new version will support input lists for script components. Unfortunately the Python component has been ignored lately (partly because I'm changing my mind pretty much every other day and Steve is tired of trying to keep in synch, and partly because Steve is/has been on a tradeshow tour) so it might not be up to speed when the new release is ready.
-- David Rutten Robert McNeel & Associates On Oct 6, 6:05 am, Rodrigo Culagovski <[EMAIL PROTECTED]> wrote: > What's missing is being able to work on all the points within one > "cycle". As it stands now, I can access each one of the points > generated by the Div component individually, but not in the same > script scope. > > > > > I follow what your doing but I don't know Python (sadly). > > Python's super easy to pick up. It's been called "executable > pseudocode". > Here's an annotated version, explaining the python specific parts: > > #import the library that's necessary to work with Rhino geometry > from RMA.OpenNURBS import * > > # define 4 lists (like arrays in other languages) > # Because they're defined outside of a function or class, their scope > is global. > A = [] > B = [] > C = [] > D = [] > > # define a function with 4 positional arguments > def sub(u,v, depth, ud, vd): > if u>=maxu or v>=maxv: > return "" > if depth < 2: > # append adds an element to a list. > # On3dPoint was imported in the first line (as part of > RMA.OpenNurbs), it creates a new 3d point from x,y,z coordinates. > # Keep in mind that A,B,C & D are globals. > # The final result is populating A,B,C & D with the point lists. > A.append(On3dPoint(u,v,0)) > B.append(On3dPoint(u+ud,v,0)) > C.append(On3dPoint(u+ud,v+vd,0)) > D.append(On3dPoint(u,v+vd,0)) > else: > # "ud/=2" is equivalent to "ud = ud/2" > ud/=2 > vd/=2 > # "for X in Y:" iterates over every member of Y, assigning it > temporarily to X > # and executing whateve code comes after the ":". In python, > indentation is part of the syntax, > # so the code block extends to the "sub" call. > for center in ((u,v),(u+ud,v),(u+ud,v+vd),(u,v+vd)): > u,v = center > sub(u,v,depth-1, ud, vd) > > u = uv.x > v = uv.y > depth = int(G*j) > ud=(maxu-minu)/i > vd=(maxv-minv)/i > #this calls the "sub" function > sub(u,v,depth,ud,vd) > > On Oct 4, 8:57 pm, taz <[EMAIL PROTECTED]> wrote: > > > > > Rodrigo, > > > Nice. It looks like it's working real well. It does show generative, > > adaptive and parametric behavior with just a single surface. The > > triple crown. > > > I follow what your doing but I don't know Python (sadly). > > > I hope other people will start to post some basic scripted work, but > > then things will be hard to keep track of with all the different > > language options floating around. > > > We'll see what happens. > > > taz > > > On Oct 4, 1:13 am, Rodrigo Culagovski <[EMAIL PROTECTED]> wrote: > > > > fixes "holes". > > > > On Oct 4, 2:10 am, Rodrigo Culagovski <[EMAIL PROTECTED]> wrote: > > > > > Uploaded new file, fixed wholes and ragged edges. > > > > >http://groups.google.com/group/grasshopper3d/web/gaussian5.wrm > > > > > On Oct 3, 11:08 pm, Rodrigo Culagovski <[EMAIL PROTECTED]> wrote: > > > > > > Taz, > > > > > > yeah. I'm not happy with the final result so far, but I do like the > > > > > fact that you can now mix recursive control structures with GH's > > > > > analysis and generative tools, keeping things simple on both ends. > > > > > > Rodrigo > > > > > > On Oct 3, 9:33 pm, taz <[EMAIL PROTECTED]> wrote: > > > > > > > Rodrigo, > > > > > > > That's starting to look interesting. > > > > > > > David, > > > > > > > Any plans to setup a splinter Google group for scripting based > > > > > > discussion? > > > > > > > Or do you want to kick it all back to the plugin NG? > > > > > > > Anyway, for my own (selfish) benefit I like to see more VB.NET > > > > > > scripting examples. > > > > > > > taz > > > > > > > On Oct 3, 11:12 am, Rodrigo Culagovski <[EMAIL PROTECTED]> wrote: > > > > > > > > "... who's also doing Python for Rhino5" > > > > > > > > That's the best news I've heard all month! > > > > > > > > Thanks for your reply. > > > > > > > > Rodrigo > > > > > > > > On Oct 3, 12:06 pm, David Rutten <[EMAIL PROTECTED]> wrote: > > > > > > > > > Hi Rodrigo, > > > > > > > > > you have to somehow get an instance of an OnSurface or > > > > > > > > OnBrepFace > > > > > > > > class, then you can call evaluation functions on that. > > > > > > > > I sadly don't know python very well (Python for Grasshopper was > > > > > > > > developed by Steve Baer, who's also doing Python for Rhino5.) > > > > > > > > > I do know that computing curvature values is not easy. In fact, > > > > > > > > it is > > > > > > > > astoundingly difficult. There's a bunch of functions available > > > > > > > > in > > > > > > > > OnUtil and maybe RhUtil that do some of the work, but you'll > > > > > > > > have to > > > > > > > > ask this on the Rhino plugin newsgroup, where the McNeel math > > > > > > > > guys > > > > > > > > hang out. > > > > > > > > > -- > > > > > > > > David Rutten > > > > > > > > Robert McNeel & Associates > > > > > > > > > On Oct 3, 4:48 pm, Rodrigo Culagovski <[EMAIL PROTECTED]> wrote: > > > > > > > > > > Have posted an example of using python (and the scripting > > > > > > > > > beta > > > > > > > > > version, of course) to recursively subdivide a surface > > > > > > > > > according to > > > > > > > > > its Gaussian curvature. Still kind of rough, and has some > > > > > > > > > holes. > > > > > > > > > >http://groups.google.com/group/grasshopper3d/web/gauss.3dmhttp://grou... > > > > > > > > > > Questions: How do you evaluate a point on a surface from > > > > > > > > > python? > > > > > > > > > Gaussian curvature? What I'm doing here is evaluating the > > > > > > > > > curvature > > > > > > > > > before going into the script, but it would be much more > > > > > > > > > flexible if I > > > > > > > > > could do it from the script itself. > > > > > > > > > > Cheers, > > > > > > > > > > Rodrigo Culagovski > > > > > > > > > parametrica- Hide quoted text - > > > > > > > > - Show quoted text -- Hide quoted text - > > > > - Show quoted text -- Hide quoted text - > > - Show quoted text -
