ChartDirector 5.1 (PHP Edition)
Layer.getNearestXValue
Usage
getNearestXValue(xCoor)
Description
Gets the x data value that is nearest to the specified x pixel coordinate.
This method will search all x data values in the Layer to look for the x data value that is nearest to the given x coordinate. If there are two x data values equally near to the specified x pixel coordinate, this method will arbitrarily return one of the values.
Arguments
| Argument | Default | Description |
| xCoor | (Mandatory) | The x pixel coordinate to search for. |
Return Value
The x data value that is nearest to the specified x coordinate.
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