Hi Alpha, if the gaps are not flat (planar), they cannot be capped. But it's not possible to get non-planar gaps when you extrude a planar curve in a single direction.
-- David Rutten [email protected] Robert McNeel & Associates On Mar 15, 4:18 pm, Alpha222 <[email protected]> wrote: > thank you two ,damien and david,,, > > damien,thank you. and i have made these beams(breps) from their every > single surfaces,and it looks good . > > in my case, the planar holes i wanna cap are NOT perpendicular to the > extruding directions .that's why bugs occasionally happen?? > it's just sumise,, > > alpha, > > On Mar 15, 10:13 pm, damien_alomar <[email protected]> wrote: > > > Ah, the "kinky surface" issue. I was wondering where that was popping > > up. > > > Thanks for the info on SDK. I find that slightly odd though. > > Personally, I supply the 4 points in the order that I want them to be, > > and would prefer it stay that way. When exactly was this change made > > to grasshopper? Did it always have its own way of doing things, or > > did it at one time use the SDK function. I ask because I've had this > > problem in the past (I'm sure you've seen the variable panels video) > > and have shy'd away from using it just for that reason. > > > Best, > > Damien > > > On Mar 15, 9:55 am, David Rutten <[email protected]> wrote: > > > > Hi Damien, > > > > the Rhino SDK function that creates a surface from 4 corners indeed > > > has 'smarts' build into it that will reorder the points if it feels > > > that makes for a better surface. > > > > The Grasshopper component for that reason does not use the SDK > > > function. Grasshopper instead creates two lines AB and DC and then > > > creates a ruled surfaces between those two lines. > > > > I think the problem might be that the extrude component insists on > > > outputting a single surface for the polyline extrusion, rather than a > > > polysurfaces with individual faces for each polyline segment. This has > > > been changed in Grasshoper 0.6, many components that used to output > > > single surfaces now output breps if the surface contained kinks. > > > > -- > > > David Rutten > > > [email protected] > > > Robert McNeel & Associates > > > > On Mar 15, 4:22 am, damien_alomar <[email protected]> wrote: > > > > > I'm just guessing here, but the Surface 4 Point component is rather > > > > "unstable" in the sense that corners will get crossed up some times. > > > > I believe this problem is in the Rhino SDK itself as I've run into > > > > this with Rhinoscript as well. anyway, if that's the case, then the > > > > extrusion won't cap bc it would make a non-manifold object. > > > > > It seams like what you're doing could be done a different way though, > > > > so do you have to do it exactly that way? Could you generate a plane > > > > and make the box from that? maybe do a morphed box if you need to... > > > > > Best, > > > > Damien > > > > > On Mar 14, 5:22 pm, David Rutten <[email protected]> wrote: > > > > > > Hi Alpha, > > > > > > if a component is red, it means there's at least one error. If it's > > > > > orange, there is at least one warning and no errors. > > > > > You can see errors and warnings when you open up the context menu of > > > > > the component itself. > > > > > > Sometimes it's not the component but the input parameter that contain > > > > > the error, in that case you also have to look inside the parameter > > > > > context menus. > > > > > > -- > > > > > David Rutten > > > > > [email protected] > > > > > Robert McNeel & Associates > > > > > > On Mar 14, 7:44 pm, Alpha222 <[email protected]> wrote: > > > > > > > error??maybe it not an error,i donot know,, > > > > > > i mean the cap component works well in fact, > > > > > > but only this time it seems...kinda > > > > > > disappointing,see:https://grasshopper3d.googlegroups.com/web/ddd.png?hl=en&gsc=P6We7AsA... > > > > > > > i'd like to post 2 more pictures to convey you my > > > > > > problem.https://grasshopper3d.googlegroups.com/web/QQ%E6%88%AA%E5%9B%BE%E6%9C... > > > > > > this is what i expect and below is what the Cap > > > > > > generate.https://grasshopper3d.googlegroups.com/web/QQ%E6%88%AA%E5%9B%BE%E6%9C... > > > > > > > any ideas? > > > > > > > alpha, > > > > > > > On Mar 15, 1:21 am, David Rutten <[email protected]> wrote: > > > > > > > > Hi Alpha, > > > > > > > > what's the error you get on the Cap component? > > > > > > > > -- > > > > > > > David Rutten > > > > > > > [email protected] > > > > > > > Robert McNeel & Associates > > > > > > > > On Mar 14, 6:14 pm, Alpha222 <[email protected]> wrote: > > > > > > > > > hello, > > > > > > > > > i came across a problen about the Cap component. At first , i > > > > > > > > have > > > > > > > > four points ,and they define a surface(using the 4point surface > > > > > > > > component),then i get the bounding lines using the wireframe > > > > > > > > component .after that ,i join them together to make a > > > > > > > > polyline.so i > > > > > > > > can extrude the polyline to make a surface. > > > > > > > > > then the problem comes: when i try to cap the surface ,it > > > > > > > > doesnot > > > > > > > > work!! i am confused and donot know what to do . > > > > > > > > > i have posted a screemshot > > > > > > > > athttps://groups.google.com/group/grasshopper3d/files?hl=en > > > > > > > > > any help?
