[OpenLayers-Dev] Extending measuring control

[Zer]

Dear list,

I have an implementation of a 
http://www.nabble.com/file/p18246396/Measure.js Measure.js . 

measureTool = new OpenLayers.Control.Measure(OpenLayers.Handler.Path,
				{onMeasure: ShowMeasureDistance,
				 handlerOptions: 
					{'freehand': false,
				     'persist': true},
				 'displayUnits': 'm', 
				 'displayClass': 'MeasureTool',
			});


I would like to extend it so that the measured length constantly gets
updated, when the user moves the mouse in order to draw the line. I have
been told to configure a 'point' callback in order to solve this, but do not
understand how to do that. Could someone please advice?

Please find attatched the measure control js file.


Thanks,

-Z

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