closestPointOnSurface

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 This node returns the closest point of an (x,y,z) point (attribute
 "inPosition") to a surface (given by the attribute "inputSurface").
 You can query the closest
 (x,y,z) point (attribute "position") or you can query the closest
 surface (u,v) point (given by attributes "parameterU" and "parameterV").

pointOnSurfaceInfo, pointOnCurveInfo

inPosition, inPositionX, inPositionY, inPositionZ, inputSurface, parameterU, parameterV, position, positionX, positionY, positionZ, result

Long name (short name)	Type	Default	Flags
inputSurface (is)	nurbsSurface	NULL
The input surface for the info
inPosition (ip)	double3	0.0, 0.0, 0.0
Input reference point
inPositionX (ipx) distance (double) 0.0cm Input X value of reference position
inPositionY (ipy) distance (double) 0.0cm Input Y value of reference position
inPositionZ (ipz) distance (double) 0.0cm Input Z value of reference position
result (r)	compound	n/a
All results - container holding closest point, u and v parameter values
position (p) double3 0.0, 0.0, 0.0 The closest (x,y,z) position (in result compound) positionX (px) distance (double) 0.0cm Computed X value of closest position positionY (py) distance (double) 0.0cm Computed Y value of closest position positionZ (pz) distance (double) 0.0cm Computed Z value of closest position
parameterU (u) double 0.0 The U parameter value on the surface at the closest point
parameterV (v) double 0.0 The V parameter value on the surface at the closest point