TreeDiagram.hitTest Method

Determines what data control element is represented at the specified position.

Parameters

offsetX: Type: Number
The position to test in pixels relative to the left edge of the chart.
offsetY: Type: Number
The position to test in pixels relative to the top edge of the chart.
element: Type: HTMLElement
The HTML element located at the position, if available.
Optional: True

Return Value

Type: Object - May be null

If not null, a plain object with properties:
     type                                    [type: String]                          - type of cell
     rowOrdinals                             [type: Array]                           - the row tuple ordinals
     columnOrdinals                          [type: Array]                           - the column tuple ordinals
     nodes                                   [Type: Array]                           - selected nodes