Curve intersection fail?

[Alfredo_Peña]

Why doesn’t this curve intersection work?

Could it be due to the angle tolerance? Is there any way to obtain the correct result?

CurveIntersection.gh (2.9 KB)

[inno]

looks indeed like a Tolerance thing:

[Artstep]

Seems to be unit tolerance rather than angle tolerance - I increased the tolerance to 4 decimal places and it calculated correctly - Options >Units >Absolute Tolerance

But it does seem a bit odd, because they’re 0.5 units off

[Alfredo_Peña]

Thanks @Artstep & @inno

Is there any way to avoid that issue without changing the drawing settings? I need to implement this method using Rhino.Compute.

Maybe using C#…

[Artstep]

I think most intersection commands have a tolerance input anyway https://developer.rhino3d.com/api/rhinocommon/rhino.geometry.intersect.intersection/curvecurve

But with a tolerance of 0.01, a deviation of 0.49 seems a bit too significant - the lower tolerance can lead to much slower calculation times depending on how much geometry you’re processing though

[dale (Dale Fugier)]

Hi @Alfredo_Peña,

This works.

–Dale

[Alfredo_Peña]

@dale

This works.

It doesn’t work for me either