Grasshopper

algorithmic modeling for Rhino

is the fillet component buggy or am i doing something wrong?

Hi !

right, so i have these closed curves which are made of both straight and curved segments and i try to fillet them, but i get some awkward results, like curves disappearing or some corners don't get rounded.

these "mishappenings" are somehow related to the fillet radius but i can't figure the relationship.

my question is: can i avoid these somehow?

thanks !


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Replies to This Discussion

I am not an architect but I ran into many situations where Rhino would fillet it but grasshopper refused
to do it or only partially did it.
i tried filleting in rhino the curves, to see how it works there, but it seems rhino doesn't have the fillet polyline function...
It does have a fillet polyline function, it's called FilletCorners...
thanks! i tried it (with the same radius as in gh) and got better results, but still 2 corners were left out (and it actually said this in the status bar or whatever it's called)
OK, that says two things - the GH version is not using exactly the same core function as Rhino (or some other critera are coming into play) and there is probably something wrong with your curve if even the Rhino function doesn't work. You might check and see why the curve refuses to fillet - it may be that the fillet doesn't fit because a segment is too short. You can try filleting the corners one at a time with the normal fillet comman and see what happens. Otherwise, post the curve geometry and I can look at it.
that would be great, thanks!

here they are
Attachments:
Well, I found two curves that won't fillet correctly in Rhino (you didn't specify radius, but I tried 2.5) but GH is not doing the same thing (Damien explained that I guess), but on top of that here my display disappears and everything gets all weird... Must be too late, gotta go to bed... --Mitch
Attachments:
yep, those are the same 2 probles i also got. thankf for clearing that up. i got to go to bed too. thanks for the support!
I can't help you, but I can shed a little light on this. Filleting is not exposed through the Rhino SDK, which means that the filleting logic that's used in Rhino is not available. David wrote his own filleting logic for the Fillet component within GH, so chances are its not nearly as rock solid as the logic in Rhino. So that explains why Rhino can do it and GH can't...
ok, good to know

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