After culling some lines I'm getting somewhere (it's not very elegant): http://grasshopper3d.googlegroups.com/web/stairs2.jpg But it's still messy, the black stains on the render are polygon overlaps.
On Nov 14, 12:07 am, visose <[EMAIL PROTECTED]> wrote: > I tried to have a go at this. What i did is a lot simpler that what > you described in the previous post. > I divide a surface in smaller parts and depending on the slope of each > part, i decide if it want to carve stairs to it or to keep it as a > slope:http://grasshopper3d.googlegroups.com/web/stairs.jpghttp://grasshopper3d.googlegroups.com/web/stairs.rar > > There's one problem (maybe someone can help me here). When trying to > create the treads, i use a planar surface component, but since the > boundary lines of the treads may have lines crossing them on the same > plane (the boundaries of the adjoining sub-surfaces) the curves are > not joined as they should, and the planar component breaks in some > treads. > > On Nov 11, 12:40 am, oompa_l <[EMAIL PROTECTED]> wrote: > > > added a file at > > :http://groups.google.com/group/grasshopper3d/web/stair-play-02.ghx?hl=en > > > it's really not so complex what's going on, but what could be really > > interesting - what I'm after - is to 'suggest' different types of > > inhabitation eg running, walking, climbing, sitting etc by way of > > geometrical operations informed by the underlying surface curvature. A > > steep area might get enclosed by a railing, in fact there might be > > railings at several different threshold lines which would indicate > > different possible routes. Other than that, maybe if the curvature is > > almost non-existent the stairs would be'excluded' and open, smooth > > ramp type space would be made available. > > > But one thing at a time, I suppose. Right now I'm fixated on > > translating the equivalent shifts in colour from the analysis into > > geometry - curves on a surface. > > > if you have any ideas, I would be very appreciative. thanks!
