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| Key | Possible values/options | Description |
|---|---|---|
| node.layout |
| Sets the layout direction of the operator graph. The horizontal option draws the graph from left (sources) to the right (sinks), the vertical option draws the graph from bottom (sources) to top (sinks). |
| layout.horizontal.distance.x | positive integer | Sets the distance between two nodes on the X axis for the horizontal layout. |
| layout.horizontal.distance.y | positive integer | Sets the distance between two nodes on the Y axis for the horizontal layout. |