different result grasshopper-rhino

i´m trying to parametrize a vault.

a part of it is a sweep2rails. Rhino models the surface but grasshopper gives no result.

can anyone help me?

it´s a bug o i´m doing something wrong?

thanks

Permalink Reply by giz05mo on April 2, 2012 at 12:29pm

Exchange the second rail curve with the section curve.

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Permalink Reply by Hannes Löschke on April 2, 2012 at 1:55pm

Good solution. I tried sweep1 with the section ans rails reversed but that produced an ugly shape at the base.

3 point curves always are problematic NURBS. Why don't you build the sides extrusion-style and trim the inner parts of the vault?

Permalink Reply by paco g on April 2, 2012 at 3:01pm

thanks a lot!

Permalink Reply by paco g on April 2, 2012 at 3:09pm

hannes,

this surface it´s not generated by extrusion, is a quadripartite vault not a barrel vault.

is the surface between the three curves.

somethig that the arcs are starting geometries and the surface are the space between.

thanks

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