Grasshopper Docs

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Analysis
Division
Primitive
Spline
Util

Find on which side of a curve a point exists

Inputs

NameIDDescriptionType
CurveCBase curveCurve
PointPPoint to measure.Point
PlanePlOptional plane to measure in. If omitted, the curve plane will be used.Plane

Outputs

NameIDDescriptionType
SideSSide of curve on which point was found (-1=Left, 0=Coincident, +1=Right).Integer
LeftLBoolean indicating whether a point is to the left of the curve.Boolean
RightRBoolean indicating whether a point is to the right of the curve.Boolean

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