Dimension Parameter - Radial

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A radial dimension parameter is one which extends out radially from a fixed anchor point. It is composed of three things:an anchor point, a reference point and an adjustable point set. An example is shown below, followed by an explanation of each term.


           

Anchor Point: The fixed starting point for the dimension parameter. When the value of the dimension parameter changes, this point does not move.

Reference Point: The first point in the adjustable point set. The distance from the anchor point to the reference point is the

value of the dimension parameter. When the value of the dimension parameter is changed, the anchor point retains the same position, but the reference point moves to a new position.

Adjustable Point Set: One or more points that move when the value of the dimension parameter changes. The adjustable point set includes the reference point, plus any additional points which move when the value of the dimension parameter is varied.