Grasshopper

algorithmic modeling for Rhino

weird shatter failure issue

hello forum,

As a part of a larger definition I have a series of circles that need to be shattered to isolate a single arc segment. This one circle out of the bunch just wont shatter!? I cant understand why.

When I feed the same parameters on the curve in manually it works , but when they are fed from the curve closet point component I get the same circular curve out of the shatter command.

any advice is appreciated?

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Permalink Reply by Hyungsoo Kim on June 18, 2016 at 2:03pm

Shatter can't recognize more than "n(?)" places of decimals? I have no idea.

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Permalink Reply by Mel King on June 18, 2016 at 2:11pm

interesting and good to know! I will keep this workaround in mind THANKS!

Permalink Reply by David Rutten on June 18, 2016 at 2:48pm

If the shattered segments become short (as compared to the document tolerance) it is assumed that those segments are not wanted. Ie. points very close together were probably meant to be a single point.

If you don't want this you can try to:

  1. Create Consecutive Domains from your shatter parameters.
  2. Extract subcurves.

Though to be fair I don't know if SubCurve also refuses to return very short curves.

Permalink Reply by Mel King on June 20, 2016 at 2:16am

Thanks David, I never tried the subcurve component, I will give it a shot. 

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