The SubProgramCall branch in DrawRapids used to draw a rapid from the
previous feature's end to the hole center, then rely on the sub-program's
own first rapid to draw from center to the lead-in pierce. That rendered
a phantom center-hop segment that doesn't exist physically — a
SubProgramCall is a coordinate-frame shift (emitted as a G52 bracket on
Cincinnati), not a move to the hole center.
Look ahead through the sub-program for its first pierce point in
absolute coordinates and draw a single direct rapid from pos to that
pierce. Recurse into the sub with skipFirstRapid: true so the sub's
first rapid isn't drawn again on top.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
AJ Isaacs
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