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Use original target endpoints for corridor routes

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Corridor routes now drop to the ORIGINAL target point (placed by the
router on the actual node boundary) instead of computing a new entry
point on the rectangle edge. Edges visually connect to the End node.

Simplified corridor path: src → stub → corridor → drop to original
target. No separate left-face approach needed.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
master
2026-04-02 12:32:20 +03:00
parent c1db0c9237
commit 793585f7db
1 changed files with 9 additions and 28 deletions
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37
src/__Libraries/StellaOps.ElkSharp/ElkEdgeRouterIterative.WinnerRefinement.Hybrid.cs
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@@ -324,35 +324,16 @@ internal static partial class ElkEdgeRouterIterative
// corridors so they're visually distinct.
var localCorridorY = baseCorridorY - (corridorFixed * (nodeSizeClearance * 2d));
List<ElkPoint> newPath;
if (tgtNode is not null)
// Route through corridor then drop to the ORIGINAL target
// endpoint (which the router placed on the actual node boundary).
var newPath = new List<ElkPoint>
{
// Drop to left of target, then approach from the left face.
// All End-targeting edges enter from the same direction for
// a clean fan-in instead of a 3-face tangle.
var dropX = tgtNode.X - 24d - (corridorFixed * (nodeSizeClearance * 2d));
var entryY = tgtNode.Y + (tgtNode.Height * (0.33d + corridorFixed * 0.34d));
newPath =
[
src,
new() { X = stubX, Y = src.Y },
new() { X = stubX, Y = localCorridorY },
new() { X = dropX, Y = localCorridorY },
new() { X = dropX, Y = entryY },
new() { X = tgtNode.X, Y = entryY },
];
}
else
{
newPath =
[
src,
new() { X = stubX, Y = src.Y },
new() { X = stubX, Y = localCorridorY },
new() { X = tgt.X, Y = localCorridorY },
tgt,
];
}
src,
new() { X = stubX, Y = src.Y },
new() { X = stubX, Y = localCorridorY },
new() { X = tgt.X, Y = localCorridorY },
tgt,
};
corridorResult[ei] = new ElkRoutedEdge
{
Id = edge.Id, SourceNodeId = edge.SourceNodeId, TargetNodeId = edge.TargetNodeId,