POINT
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## POINT

### Description

Level: 4th

A point is the component of CHAIN. This element is used as control points for Catmull-Rom interpolation. Users should add at least four points for each CHAIN.

If a chain has less than four points, wm3d will show a warning message (if trace is enabled).

### Parent Elements

CHAIN

### Child Elements

nothing

### Attributes

pos (type:Point3D)

  The position of this POINT. This MUST BE SPECIFIED.

index (type:Int)

  Unique index for this POINT in the chain. This MUST BE SPECIFIED, since this index is used in in RIBBONs and COILs.

N (type:Int) = (inherited from CHAIN)

  Number of POINTs to be interpolated between POINTs. It is same as "N" in CHAIN. Setting here overwrites the setting of this CHAIN.

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