Connector overlap in React diagrams creates visual noise that makes workflows and process maps hard to read. Syncfusion's React Diagram library provides two APIs to solve this: `DiagramConstraints.LineRouting` and `DiagramConstraints.AvoidLineOverlapping`. When combined, these automatically detect overlapping orthogonal connector segments and apply small offsets so each connector gets a distinct visible path. The feature re-runs automatically when nodes move or new connectors are added. A complete code example demonstrates setting up nodes with explicit ports and orthogonal connectors, with the overlap-avoidance constraints injected as services. Note: this only works with orthogonal connectors, not straight or Bezier types.
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