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HERE Maps API - How to add map markers

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[[Category:Nokia Maps]][[Category:JavaScript]][[Category:Code Snippet]][[Category:Nokia Maps]][[Category:Nokia Maps]][[Category:Nokia Maps]][[Category:Nokia Maps]]
+
[[Category:HERE Maps]][[Category:JavaScript]][[Category:HERE Maps]][[Category:Code Examples]]
{{ArticleMetaData
+
{{ArticleMetaData <!-- v1.2 -->
|sourcecode= <!-- Link to example source code e.g. [[Media:The Code Example ZIP.zip]] -->
+
|sourcecode=  [https://github.com/heremaps/examples/blob/master/maps_api_for_javascript/simple-examples/simple-marker.html simple-marker.html]
 
|installfile= <!-- Link to installation file (e.g. [[Media:The Installation File.sis]]) -->
 
|installfile= <!-- Link to installation file (e.g. [[Media:The Installation File.sis]]) -->
 
|devices= Google Chrome, Firefox, Internet Explorer, Safari
 
|devices= Google Chrome, Firefox, Internet Explorer, Safari
Line 7: Line 7:
 
|platform= Web
 
|platform= Web
 
|devicecompatability= <!-- Compatible devices e.g.: All* (must have internal GPS) -->
 
|devicecompatability= <!-- Compatible devices e.g.: All* (must have internal GPS) -->
|dependencies= Nokia Maps Api 2.2.3
+
|dependencies= HERE Maps API 2.5.3 or higher
|signing=<!-- Signing requirements - empty or one of: Self-Signed, DevCert, Manufacturer -->
+
|signing= <!-- Signing requirements - empty or one of: Self-Signed, DevCert, Manufacturer -->
 
|capabilities= <!-- Capabilities required by the article/code example (e.g. Location, NetworkServices. -->
 
|capabilities= <!-- Capabilities required by the article/code example (e.g. Location, NetworkServices. -->
|keywords= Nokia Maps, JavaScript, Markers
+
|keywords= HERE Maps, JavaScript, Markers
|id= <!-- Article Id (Knowledge base articles only) -->
+
 
|language= <!-- Language category code for non-English topics - e.g. Lang-Chinese -->
 
|language= <!-- Language category code for non-English topics - e.g. Lang-Chinese -->
 
|translated-by= <!-- [[User:XXXX]] -->
 
|translated-by= <!-- [[User:XXXX]] -->
|translated-from-title= <!-- Title only -->  
+
|translated-from-title= <!-- Title only -->
 
|translated-from-id= <!-- Id of translated revision -->
 
|translated-from-id= <!-- Id of translated revision -->
|review-by=<!-- After re-review: [[User:username]] -->
+
|review-by= <!-- After re-review: [[User:username]] -->
 
|review-timestamp= <!-- After re-review: YYYYMMDD -->
 
|review-timestamp= <!-- After re-review: YYYYMMDD -->
 
|update-by= [[User:jasfox]]
 
|update-by= [[User:jasfox]]
 
|update-timestamp= 20120206
 
|update-timestamp= 20120206
|creationdate=20110621
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|creationdate= 20110621
|author=[[User:Maveric]]
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|author= [[User:Maveric]]
 
}}
 
}}
 
{{SeeAlso|
 
{{SeeAlso|
* [[Nokia Maps API - Add Maps To Any Web Page]]
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* [[HERE Maps API - Add Maps To Any Web Page]]
* [http://developer.here.net/javascript_api Nokia Maps API]
+
* [http://heremaps.github.io/examples/index.html HERE Maps on Github]
* [http://developer.here.net/apiexplorer/examples/api-for-js/markers/marker.html Adding a Marker]
+
* [http://developer.here.com/javascript_api HERE Maps API]
 +
* [http://developer.here.com/apiexplorer/examples/api-for-js/markers/marker.html Adding a Marker]
 
* [[How to Obtain Your Own Nokia appID and Token|Obtaining an AppId and Token]]}}
 
* [[How to Obtain Your Own Nokia appID and Token|Obtaining an AppId and Token]]}}
  
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A supported web browser (basically any modern web browser)
 
A supported web browser (basically any modern web browser)
  
The example assumes you have already added the Nokia Maps to your web page as explained in the previous article [[Nokia Maps API - Add Maps To Any Web Page]]
+
The example assumes you have already added the HERE Maps to your web page as explained in the previous article [[HERE Maps API - Add Maps To Any Web Page]]
  
 
==Important note about maps credentials==
 
==Important note about maps credentials==
  
Nokia provides several services options within the Maps API offering. The service is free to use, but you must obtain and use authentication and authorization credentials to use the services. Please read the
+
Nokia provides several services options within the Maps API offering. The service is free to use, but you must obtain and use authentication and authorization credentials to use the services. Please read the
 
[http://developer.here.net/terms_conditions Terms and Conditions] and check the [http://developer.here.net/web/guest/plans Pricing Plans page]  to decide which business model best fits your needs. Authentication requires unique Maps API credentials, namely an AppId and a token. You can get these credentials free for free following the instructions  [http://developer.here.net/docs/maps_js/topics/credentials.html#acquiring-credentials here]
 
[http://developer.here.net/terms_conditions Terms and Conditions] and check the [http://developer.here.net/web/guest/plans Pricing Plans page]  to decide which business model best fits your needs. Authentication requires unique Maps API credentials, namely an AppId and a token. You can get these credentials free for free following the instructions  [http://developer.here.net/docs/maps_js/topics/credentials.html#acquiring-credentials here]
  
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<code java>
 
<code java>
 
   var center =    new nokia.maps.geo.Coordinate(40.738728,-73.99236);
 
   var center =    new nokia.maps.geo.Coordinate(40.738728,-73.99236);
   var   marker = new nokia.maps.map.StandardMarker(center);
+
   var marker = new nokia.maps.map.StandardMarker(center);
 
</code>
 
</code>
  
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=== Adding a Marker via a Container ===
 
=== Adding a Marker via a Container ===
As an alternative to adding a marker directly,  we can add it to a {{Icode|Container}} and then add the {{Icode|Container}} to the map. A {{Icode|Container}} is used to group {{Icode|Objects}}, and thus allows them all to be operated on at once without the need to iteratively visit each one (e.g. for changing the visibility).
+
As an alternative to adding a marker directly,  we can add it to a {{Icode|Container}} and then add the {{Icode|Container}} to the map. A {{Icode|Container}} is used to group {{Icode|Objects}}, and thus allows them all to be operated on at once without the need to iteratively visit each one (e.g. for changing the visibility).
  
 
First create a {{Icode|Container}}:
 
First create a {{Icode|Container}}:
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Now that we have the {{Icode|Container}} ready, we can add the {{Icode|StandardMarker}} into it:
 
Now that we have the {{Icode|Container}} ready, we can add the {{Icode|StandardMarker}} into it:
  
<code java>
+
<code javascript>
 
     container .objects.add(marker);
 
     container .objects.add(marker);
     //or another way of putting this e.g. container.objects.add( new nokia.maps.map.StandardMarker( new nokia.maps.geo.Coordinate(40.738728,-73.99236)));
+
     // Alternatively:
 +
    //  container.objects.add(
 +
    //      new nokia.maps.map.StandardMarker(  
 +
    //        new nokia.maps.geo.Coordinate(40.738728,-73.99236))
 +
    //    );
 
</code>
 
</code>
 
                  
 
                  
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{nokia.maps.map.Display}  
 
{nokia.maps.map.Display}  
display     The display to check.  
+
display The display to check.  
  
 
In our case we could ask:
 
In our case we could ask:
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{nokia.maps.map.Display}  
 
{nokia.maps.map.Display}  
display     The display for which to return the parent object.  
+
display The display for which to return the parent object.  
  
 
Returns:
 
Returns:
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==Example code==
 
==Example code==
  
Here is a full example with required HTML and embedded JavaScript. Remember to add in your own [[How to Obtain Your Own Nokia appID and Token| AppId and Token]].
+
A working example can be found at:
  
<code javascript>
+
http://rawgithub.com/heremaps/examples/master/maps_api_for_javascript/simple-examples/simple-marker.html
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml">
+
    <head>
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      <title>Adding a marker.</title>
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      <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
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      <script type="text/javascript"
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            src="http://api.maps.nokia.com/2.2.3/jsl.js?with=all" charset="utf-8">
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        </script>
+
    </head>
+
    <body>
+
  
        <div id="mapContainer" style="z-index: -1; left:0px; top:0px; width: 100%; height: 80%; position: absolute;"></div>
+
==For more on the HERE Maps API==
        <script type="text/javascript">
+
/////////////////////////////////////////////////////////////////////////////////////
+
// Don't forget to set your API credentials
+
//
+
// Replace with your appId and token which you can obtain when you
+
// register on http://api.developer.nokia.com/
+
//
+
nokia.Settings.set( "appId", "YOUR APP ID GOES HERE");
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nokia.Settings.set( "authenticationToken", "YOUR AUTHENTICATION TOKEN GOES HERE");
+
  
//
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Please check out the HERE Maps API full documentation and API reference here:
/////////////////////////////////////////////////////////////////////////////////////
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* [http://developer.here.net/javascript_api HERE Maps API]
 
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        ///            THE LAT AND LONG HERE ARE IN CENTRAL NEW YORK
+
        var center =    new nokia.maps.geo.Coordinate(40.738728,-73.99236);
+
// Get the DOM node to which we will append the map
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var mapContainer = document.getElementById("mapContainer");
+
+
// Create a map inside the map container DOM node
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var map = new nokia.maps.map.Display(mapContainer, {
+
        // initial center and zoom level of the map
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        center: center,
+
        zoomLevel: 15,
+
        components: [
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                new nokia.maps.map.component.ZoomBar(),
+
                new nokia.maps.map.component.Behavior(),
+
                new nokia.maps.map.component.TypeSelector(),
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                new nokia.maps.map.component.Traffic(),
+
                new nokia.maps.map.component.PublicTransport(),
+
                new nokia.maps.map.component.Overview(),
+
                new nokia.maps.map.component.ScaleBar()
+
        ]
+
});
+
var    marker = new nokia.maps.map.StandardMarker(center);
+
map.objects.add(marker);
+
</script>
+
</body>
+
</html></code>
+
 
+
==For more on the Nokia Maps API==
+
 
+
Please check out the Nokia Maps API full documentation and API reference here:
+
* [http://developer.here.net/javascript_api Nokia Maps API]
+
  
 
You may also access the interactive API explorer
 
You may also access the interactive API explorer
 
* [http://developer.here.net/javascript_api_explorer API explorer]
 
* [http://developer.here.net/javascript_api_explorer API explorer]
 +
 +
And additional examples on GitHub
 +
* [http://heremaps.github.io/examples/ HERE Maps on Github]

Latest revision as of 20:25, 12 March 2014

Article Metadata
Code Example
Source file: simple-marker.html
Tested with
Devices(s): Google Chrome, Firefox, Internet Explorer, Safari
Compatibility
Platform(s): Web
Dependencies: HERE Maps API 2.5.3 or higher
Article
Keywords: HERE Maps, JavaScript, Markers
Created: Maveric (21 Jun 2011)
Updated: jasfox (06 Feb 2012)
Last edited: jasfox (12 Mar 2014)

Contents

[edit] Introduction

In this article we will go through how to add one or more Markers to the map. A Marker defines an Object that may display an icon on the map view.

[edit] Prerequisites

A supported web browser (basically any modern web browser)

The example assumes you have already added the HERE Maps to your web page as explained in the previous article HERE Maps API - Add Maps To Any Web Page

[edit] Important note about maps credentials

Nokia provides several services options within the Maps API offering. The service is free to use, but you must obtain and use authentication and authorization credentials to use the services. Please read the Terms and Conditions and check the Pricing Plans page to decide which business model best fits your needs. Authentication requires unique Maps API credentials, namely an AppId and a token. You can get these credentials free for free following the instructions here

[edit] Implementation

[edit] Defining a Marker

First we will need to define the Marker. This will be done by specifying the location as a geo.Coordinate and then defining the Marker:

   var center =    new nokia.maps.geo.Coordinate(40.738728,-73.99236);
var marker = new nokia.maps.map.StandardMarker(center);

The Marker needs geocoordinates as parameters, that is, its latitude and longitude on the map. In our example we are using 40.738728 for the latitude and -73.99236 for the longitude This will place a marker in Central New York. marker now contains a new StandardMarker object.

[edit] Adding a Marker directly

We may place the StandardMarker on the map by adding it directly as shown:

   map.objects.add(marker);



[edit] Adding a Marker via a Container

As an alternative to adding a marker directly, we can add it to a Container and then add the Container to the map. A Container is used to group Objects, and thus allows them all to be operated on at once without the need to iteratively visit each one (e.g. for changing the visibility).

First create a Container:

   var container = new nokia.maps.map.Container();

Now that we have the Container ready, we can add the StandardMarker into it:

    container .objects.add(marker);
// Alternatively:
// container.objects.add(
// new nokia.maps.map.StandardMarker(
// new nokia.maps.geo.Coordinate(40.738728,-73.99236))
// );

And then when the StandardMarker is in the Container, we will need to add the Container to the map objects collection, to be able to show the content on it:

    map.objects.add(container);

[edit] Manipulating the Marker

The properties of the StandardMarker can be further manipulated, e.g. you can make the Marker draggable (it is static by default) if you wish:

    marker.set("draggable",true);

And to make the StandardMarker static again, you would give:

    marker.set("draggable",false);

For a StandardMarker you can set the text property as shown:

    marker.set("text","Your marker!")

[edit] Retrieving information about the marker

Sometimes it may be useful to know if a Container has been added to the Display. Earlier we could have initiated the Display object e.g. like this:

...
var map = nokia.maps.map.Display(document.getElementById("map"),
...

Now, with the reference to "map", we can request:

    test = marker.isAdded (map)

Our case test would result in true.


With the isVisible (display) : Boolean we will get true if the object's visibility as well as all parent's visibilities are true and if the object is attached to a map (i.e. parent chain ends with a map). The returned value is only valid for the given nokia.maps.map.Display object.

Parameters:

{nokia.maps.map.Display} display The display to check.

In our case we could ask:

    test = marker.isVisible(map);

Again, this would result in “true”.

With the getParent (display) we can get the parent of the map object.

Parameters:

{nokia.maps.map.Display} display The display for which to return the parent object.

Returns: {nokia.maps.map.Object} The parent object of this object for the given display or undefined if this map object has no parent.

    test = marker.getParent(map);

If we want to get the Display names that the Container is attached to, this could be queried as follows:

    test = marker.getDisplays();

In this case we would know already that there is the "map" Display, so now asking the question marker.isAdded (test) would give us true, because marker is attached to the "map".

[edit] Example code

A working example can be found at:

http://rawgithub.com/heremaps/examples/master/maps_api_for_javascript/simple-examples/simple-marker.html

[edit] For more on the HERE Maps API

Please check out the HERE Maps API full documentation and API reference here:

You may also access the interactive API explorer

And additional examples on GitHub

This page was last modified on 12 March 2014, at 20:25.
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