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  1. #1
    Registered User
    Join Date
    Nov 2012

    Change initial scale unit


    I would like to change the initial unit used by the scale component of a map, so I can force it to match my user's preferences. I've tried using the switchUnit method of the scale bar component, but it doesn't appear to change the scale's units.

    Is this the correct way to achieve this, or am I missing something ?


  2. #2
    Regular Contributor
    Join Date
    Aug 2011

    Re: Change initial scale unit

    The API reference shows that the scale unit is controlled by a boolean showImperialUnits parameter. As a general rule it is best to update these parameters using the set() method.

    You'll need to initialise your code using something like this.
    var mapContainer = document.getElementById("mapContainer");
    var scaleBar = new nokia.maps.map.component.ScaleBar();
    var map = new nokia.maps.map.Display(mapContainer, {
    	// initial center and zoom level of the map
    	center: [52.51, 13.4],
    	zoomLevel: 10,
    	components: [
    		// ZoomBar provides a UI to zoom the map in & out
    		new nokia.maps.map.component.ZoomBar(), 
    		new nokia.maps.map.component.Behavior(),
    		new nokia.maps.map.component.TypeSelector(),
    scaleBar.set("showImperialUnits" , true);
    1. Initialise ScaleBar
    2. Add ScaleBar to Map
    3. Finally update the units of the ScaleBar
    Last edited by jasfox; 2013-05-14 at 12:39.

  3. #3
    Registered User
    Join Date
    Nov 2012

    Re: Change initial scale unit

    Thanks Jason, the set() method solved the issue.

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