pointOnCurveInfo

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Compute information associated with a point on a nurbs curve. The point is specified with the input curve (inputCurve) and the parameter value (parameter), either in the curve domain or in the 0-1 domain (if turnOnPercentage is set to true.) The information available is: position, curve normal (normalized to length 1 in normalizedNormal), curve tangent normalized to length 1 in normalizedTangent), curvature radius (curvatureRadius) and the center of curvature (curvatureCenter.)

Related nodes

closestPointOnSurface, pointOnSurfaceInfo

Attributes (29)

curvatureCenter, curvatureCenterX, curvatureCenterY, curvatureCenterZ, curvatureRadius, inputCurve, normal, normalX, normalY, normalZ, normalizedNormal, normalizedNormalX, normalizedNormalY, normalizedNormalZ, normalizedTangent, normalizedTangentX, normalizedTangentY, normalizedTangentZ, parameter, position, positionX, positionY, positionZ, result, tangent, tangentX, tangentY, tangentZ, turnOnPercentage

Long name (short name)	Type	Default	Flags
inputCurve (ic)	nurbsCurve	nullptr
Input curve
turnOnPercentage (top)	bool	boolfalse
If set, the parameter value should be specified in 0,1 range
parameter (pr)	double	double0.0
The parameter value on curve to investigate
result (rs)	compound	n/a
All results - container holding position, tangent, normal, etc.
position (p) double3 0.0, 0.0, 0.0 Position (in result compound) positionX (px) distance (double) double0.0cm X value of position positionY (py) distance (double) double0.0cm Y value of position positionZ (pz) distance (double) double0.0cm Z value of position
normal (n) double3 0.0, 0.0, 1.0 Normal (in result compound) normalX (nx) distance (double) double0.0cm X value of normal normalY (ny) distance (double) double0.0cm Y value of normal normalZ (nz) distance (double) double1.0cm Z value of normal
normalizedNormal (nn) double3 0.0, 0.0, 1.0 Normalized (length 1) normal (in result compound) normalizedNormalX (nnx) distance (double) double0.0cm X value of normalized normal normalizedNormalY (nny) distance (double) double0.0cm Y value of normalized normal normalizedNormalZ (nnz) distance (double) double1.0cm Z value of normalized normal
tangent (t) double3 1.0, 0.0, 0.0 Tangent (in result compound) tangentX (tx) distance (double) double1.0cm X value of tangent tangentY (ty) distance (double) double0.0cm Y value of tangent tangentZ (tz) distance (double) double0.0cm Z value of tangent
normalizedTangent (nt) double3 1.0, 0.0, 0.0 Normalized (length 1) tangent (in result compound) normalizedTangentX (ntx) distance (double) double1.0cm X value of normalized tangent normalizedTangentY (nty) distance (double) double0.0cm Y value of normalized tangent normalizedTangentZ (ntz) distance (double) double0.0cm Z value of normalized tangent
curvatureCenter (cc) double3 0.0, 0.0, 0.0 Center of curvature (in result compound) curvatureCenterX (ccx) distance (double) double0.0cm X value of center of curvature curvatureCenterY (ccy) distance (double) double0.0cm Y value of center of curvature curvatureCenterZ (ccz) distance (double) double0.0cm Z value of center of curvature
curvatureRadius (cr) distance (double) double1.0cm Radius of curvature (in result compound)