trim a nurbs can

Forums Technical Discussion trim a nurbs can

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roughsporty: Member; 191 posts; Joined: Aug. 2008; Offline

Aug. 22, 2008 3:42 p.m.

I have build a nurbs can and I want to trim a circle through the can.

I get uggly results and I don't know why.

Attachments:
my_dose.hip (53.6 KB)


CARDANFX: Member; 28 posts; Joined: April 2008; Offline

Aug. 23, 2008 2:29 a.m.

Hi

I just ad a convert node to your can and used a tube node with a cookie node. That looks good I think

I hope that will help you

Attachments:
my_dose_158_cardan.hipnc (54.5 KB)

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stfree: Member; 5 posts; Joined: July 2005; Offline

Sept. 14, 2008 12:05 p.m.

Hi ,

:idea:, To avoid to convert in polygons , check parameter on project sop, Super accurate projection, it must be set.


digitallysane: Member; 1192 posts; Joined: July 2005; Offline

Sept. 15, 2008 6:32 a.m.

roughsporty
I get uggly results and I don't know why.

It's because your geometry is very very small and at that size you probably get rounding errors.
I also recommend to use the parametric projection if possible, as it is by default more accurate (it mathematically maps the trim curve in the domain of the surface, instead of projecting it).

See the attached file for both ways.

Dragos

Attachments:
my_dose_158_dsg.hipnc (63.3 KB)

Dragos Stefan
producer + director @ www.dsg.ro
www.dragosstefan.ro

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