Grasshopper

generative modeling for Rhino

drape surface - cloth

hi,
i'm tryng to create something like a cloth or a drape above some boxes, but i'm wondering how to do that.
i'm trying with space deform but i'm not sure it's the right way!
anyone has a solution?

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You might be able to use Kangaroo with a mesh to physically simulate draping behavior with gravity.

Or you could create an underlying grid of surface points above your drape objects and then reconstruct your surface from points intersecting the geometry.

I'm not sure how the Rhino drape command functions with NURBS surfaces...
do you know if there's a tutorial or a sample code to start doing that?

Drape only seems to work over a mesh made from points...  Therfore using the input points as control points rather than verticies. Making an inacurate approximated surface between the inputs...???

I wonder is there a way to make drape work across points? Using those points as verticies rather than the nurb surface or control polygon control points? This would be useful here..

Yes Taz it would be good to get a controllable surface out of this, i.e. using points to make the surface from, and having control over the points. Just for now tho, I want to know how to make a surface from points. So I've used The populate 2D area which is lazy for the time being, and also creates a random displacement of these points in the Z axis. Which can be a way of creating various heights and relations to attractor points... However how to make a surface from the topology of points. So the pertinent question here is: How do we get these points in the right order, for a surface-from-points command to work?? It should be more easily expressed in this GH def. Showing a mess of a surface from points - that is based on the definition from the grasshopper discussion forum: http://www.grasshopper3d.com/forum/topics/attractor-point-to-vorono...

I understand to a certain degree how Rhino orders and they way it draws, and how data matching could solve this with a little further attention... It is however the question of: is this approach the right way to be considering a surface that can alter its parameters based on the distances of points that make up the surface in the X,Y,& Z.....Could we get more control using Kangaroo? Are Nurb control points the best points to use? Can we have more control over the tangencies of these points of surfaces somehow?

Hope this conversation opens up some ideas and we can learn how to create super surfaces, that are driven by point position and pattern alone.

Jonathan

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