Gets the calibration value which is used for calculating the ruler length.
var instance = new Vintasoft.Imaging.Annotation.UI.WebRulerAnnotationViewJS();
var value; // Type: number
value = instance.get_Calibration();
function get_Calibration() : number;
Return Value
Calibration value. Default value is 1.0.
The ruler length is calculated as the ruler length on image multiplied to the value of this property.
