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FAQ

How do I create a chord line connecting two arc endpoints in XyzPilot?

Use Line/A,A to create a chord line from the end point of one arc to the start point of another arc.

Full Answer

Use Line/A,A. Creates a chord line from the end point of arc A1 to the start point of arc A2. If the end of A1 and start of A2 coincide, the chord is a degenerate zero-length line (arcs are tangent).

XyzPilot Example

A0: end point = (40, 0) A1: start point = (70, 20) Line/A0, A1 → L0: from (40,0) to (70,20) Slope = (20-0)/(70-40) = 2/3 Tangent arcs (coincident endpoints): A0: end = (30,40), A1: start = (30,40) Line/A0, A1 → L0: degenerate zero-length line (arcs are tangent)

Relevant Operators

Line/A,A

Chord Between Arc Endpoints

Full operator reference.
Arc/Centre,R

Arc by Centre and Angles

Creates arcs for chord construction.
Line/Tangent,A

Tangent to Arc at Endpoint

Creates a tangent line at arc endpoint.

Also See

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