Closest Points
The ClosestPt command creates a point object at the closest point from a specified location to a selected object or on two objects where they are closest to each other.
Steps
Select the target object or objects.
Pick the base point for the closest point calculation.
Note
The closest point on all of the objects is calculated.
If more than one object is selected, the closest point will appear on only one object. To find the closest point on each object, use the ClosestPt command on each object individually.
The distance is printed on the command line.
Command-line options
Object:
Calculates the closest point between two objects.
To calculate the closest point to an object
Select a curve or point object. To select parts of objects, use sub-object selection. The closest point from that object to the originally selected object is calculated. Point objects are created at the closest points. This is especially useful for testing two curve objects.
CreateLine: Draw a line between the base point and the closest point on the object.
SubCrv: Type subcrv to select part of a curve as input.
For more information, please refer to the Rhino documentation.
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