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HERE Maps API - How to create custom graphics marker

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m (Jasfox - Updated example to use Nokia Maps API 2.2)
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m (Jasfox - Update links.)
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|sourcecode= <!-- Link to example source code e.g. [[Media:The Code Example ZIP.zip]] -->
 
|sourcecode= <!-- Link to example source code e.g. [[Media:The Code Example ZIP.zip]] -->
 
|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= <!-- Devices tested against - e.g. ''devices=Nokia 6131 NFC, Nokia C7-00'') -->
+
|devices= Internet Explorer, Firefox, Google Chrome, Opera
 
|sdk= <!-- SDK(s) built and tested against (e.g. [http://linktosdkdownload/ Nokia Qt SDK 1.1]) -->
 
|sdk= <!-- SDK(s) built and tested against (e.g. [http://linktosdkdownload/ Nokia Qt SDK 1.1]) -->
 
|platform= Web browser
 
|platform= Web browser
 
|devicecompatability= <!-- Compatible devices e.g.: All* (must have internal GPS) -->
 
|devicecompatability= <!-- Compatible devices e.g.: All* (must have internal GPS) -->
|dependencies=Nokia Maps 2.1.0
+
|dependencies=Nokia Maps 2.2.0
 
|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. -->
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{{SeeAlso|
 
{{SeeAlso|
 
*  [http://api.maps.nokia.com/ Nokia Maps API]  
 
*  [http://api.maps.nokia.com/ Nokia Maps API]  
* [http://api.maps.nokia.com/2.1.1/playground/?example&#61;spritedmarkers Image Markers using Sprites]
+
* [http://api.maps.nokia.com/en/playground/examples/maps/map_objects/spritedmarkers.html Image Markers using Sprites]
* [http://api.maps.nokia.com/2.1.1/playground/?example&#61;customsvgmarker Creating a SVG marker]
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* [http://api.maps.nokia.com/en/playground/examples/maps/map_objects/customsvgmarker.html Creating a SVG marker]
 
  }}
 
  }}
  
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You may also access the interactive Nokia Maps API playground,
 
You may also access the interactive Nokia Maps API playground,
* http://api.maps.nokia.com/2.1.0/playground/index.html
+
* http://api.maps.nokia.com/en/playground/env/desktop/
==Tested with==
+
 
+
* Google Chrome 11.0x
+
* Mozilla Firefox 5.0
+

Revision as of 17:24, 13 April 2012

This article explains how to create a custom graphics marker on Nokia maps using the GFX library. The example creates a transparent ellipse which the user can drag around the map.

Article Metadata
Tested with
Devices(s): Internet Explorer, Firefox, Google Chrome, Opera
Compatibility
Platform(s): Web browser
Dependencies: Nokia Maps 2.2.0
Article
Created: Maveric (21 Jun 2011)
Updated: avnee.nathani (31 Dec 2011)
Last edited: jasfox (13 Apr 2012)

Contents

Prerequisites

Nokia Maps API supported web browser (basically any modern web browser)

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 Location API Business Models and Usage Restrictions 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 from the Nokia Developer API Registration page.

Implementation

We will create a map with the set of basic user controls, and center the map with a zoom level. The testLayer refers to a new map Container we create. We then add the container to the map objects and graphicsContext variable will have an instance of the GFX library Graphics object.


Example code

Please note the images are being zoomed to be visible on the current zoom level. However, you would need to zoom in more towards the images to see the ones that maybe layered under the top images.

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>Custom Graphics Markers</title>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<script type="text/javascript"
src="http://api.maps.nokia.com/2.2.0/jsl.js" charset="utf-8">
</script>
</head>
<body>
 
<div id="mapContainer" style="z-index: -1; left:0px; top:0px; width: 100%; height: 80%; position: absolute;"></div>
<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");
nokia.Settings.set( "authenticationToken", "YOUR AUTHENTICATION TOKEN GOES HERE");
 
//
/////////////////////////////////////////////////////////////////////////////////////
var map = new nokia.maps.map.Display(document.getElementById("mapContainer"), // new instance of Nokia Maps
{
 
components: [ new nokia.maps.map.component.Behavior(),
new nokia.maps.map.component.ZoomBar(),
new nokia.maps.map.component.Overview(),
new nokia.maps.map.component.TypeSelector(),
new nokia.maps.map.component.ScaleBar()],
'zoomLevel': 10,
'center':[19.119, 72.8957]
});
 
map.set("baseMapType", map.NORMAL);
 
// Create a test layer
var testLayer = new nokia.maps.map.Container();
map.objects.add(testLayer);
 
var graphicsContext = new nokia.maps.gfx.Graphics();
graphicsContext.beginImage(64,64);
 
// Compress a semi-transparent red color
 
var my_fill_color = nokia.maps.gfx.Color.compress(255, 0, 0, 127);
 
graphicsContext.set("fillColor", my_fill_color);
graphicsContext.set("strokeColor", "#000");
graphicsContext.set("lineWidth", 4);
graphicsContext.drawEllipse(1, 1, 48, 48);
graphicsContext.fill();
graphicsContext.stroke();
var myGfxMarker = new nokia.maps.map.Marker(
{latitude:19.119, longitude:72.8957},
{
icon: new nokia.maps.gfx.GraphicsImage(graphicsContext.getIDL()),
visibility: true,
anchor: new nokia.maps.util.Point(0,0),
draggable: true
}
);
testLayer.objects.add(myGfxMarker);
 
</script>
</body>
</html>

Screenshot

NokiaMapsGraphicsMarker.png

For more on Nokia Maps API

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

You may also access the interactive Nokia Maps API playground,

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