Creating a simple Gaussian like NURBS surface

Replies to This Discussion

Permalink Reply by Yoann Mescam (Systemiq) on October 3, 2011 at 1:44pm

Number_of_points_x slider +1 -> U parameter in SurfGrid.

Permalink Reply by H on October 3, 2011 at 2:58pm

thanks. the surface now is smoother but still edgy on top:

 

Is this because Rhino renders it so coarsely, since Nurbs curves and surfaces should be smooth right?

 

I think my reproduction is still not equivalent to the mill surfaces used in this video

 

http://www.grasshopper3d.com/video/gcode-writer-for-surface?xg_sour...

 

as seen in the nodes on the edges of the surface. Their z-values is not 0.

 

Would you have an idea to come up with a more precise approximation generated parametrically?

 

Thanks!

Attachments:

• NURBSSurfaceHill1.gh, 11 KB

Permalink Reply by David Rutten on October 3, 2011 at 3:01pm

The nurbs are smooth, it's the display meshes that are coarse. Once you bake the geometry you'll be able to use higher quality meshes that do a better job at approximating the surface.

 

--

David Rutten

david@mcneel.com

Poprad, Slovakia

Permalink Reply by H on October 3, 2011 at 3:17pm

yes, baking them helped to render them well for both coarse and fine grids. thanks.