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HERE Maps API - How to use sprite images as map marker icons

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|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 2.2.1
+
|dependencies=Nokia Maps 2.2.3
 
|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/en/maps/intro.html Nokia Maps API]  
+
* [http://developer.here.net/javascript_api Nokia Maps API]
* [http://api.maps.nokia.com/en/playground/examples/maps/map_objects/spritedmarkers.html Image Markers using Sprites]
+
* [http://developer.here.net/apiexplorer/examples/api-for-js/markers/image-markers-using-css-sprite.html Image Markers using Sprites]
* [http://api.maps.nokia.com/en/playground/examples/maps/map_objects/customsvgmarker.html Creating a SVG marker]
+
* [http://developer.here.net/apiexplorer/examples/api-for-js/markers/svg-marker.html Creating a SVG marker]
 
  }}
 
  }}
 
== Introduction ==
 
== Introduction ==
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       <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
 
       <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
 
       <script type="text/javascript"
 
       <script type="text/javascript"
             src="http://api.maps.nokia.com/2.2.1/jsl.js" charset="utf-8">
+
             src="http://api.maps.nokia.com/2.2.3/jsl.js" charset="utf-8">
 
         </script>
 
         </script>
 
     </head>
 
     </head>

Revision as of 15:16, 3 January 2013

A sprite is a two-dimensional image or animation that is integrated or overlaid into a larger scene. This article shows how to overlay sprites over a map using the Nokia Map API's GFX library method.

Article Metadata
Tested with
Devices(s): Mozilla FireFox , Internet Exploere, Google Chrome, Safari
Compatibility
Platform(s): Web
Dependencies: Nokia Maps 2.2.3
Article
Keywords: Nokia Maps, JavaScript, sprites, markers
Created: Maveric (29 Nov 2011)
Last edited: jasfox (03 Jan 2013)

Contents

Introduction

The example code below will load an online icon pack image (iconPackUrl) and then use the Map API's GFX library method (gfx.BitmapImage) to pick up images out of the pack defined by a position and a size. These bitmaps will then be attached to map marker icons to be displayed onscreen.

The icon image is a free icon pack called "1945" and can be obtained in various image formats, one is located here: http://www.2dgamecreators.com/tutorials/stripanimmakerlite/1945.bmp

Note: this image is partially edited for transparency.

Example Code

<!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>Sprite Images</title>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<script type="text/javascript"
src="http://api.maps.nokia.com/2.2.3/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 iconPackUrl = "http://mapswidgets.mobi/sprites/1945.png",
map = new nokia.maps.map.Display(document.getElementById("mapContainer"), {
center: new nokia.maps.geo.Coordinate(1.381667, 173.146944),
zoomLevel: 3,
components: [ new nokia.maps.map.component.Behavior() ]
}),
 
// create an icon from the icon pack url, specify the size (30px x 30px) and an offset
// in the image where icon is (30px from the left border, 30px from the top).
shipBitmap = new nokia.maps.gfx.BitmapImage(iconPackUrl, null, 32, 180, 470, 310),
// create a second icon from the same url, specify the size (30px x 30px) and another offset
// in the image where icon is (52px from the left border, 13px from the top).
planeBitmap = new nokia.maps.gfx.BitmapImage(iconPackUrl, null, 50, 44, 308, 112),
// Create marker no 1
ship = new nokia.maps.map.Marker(new nokia.maps.geo.Coordinate(1.381667, 173.166944), {
icon: shipBitmap
}),
// Create marker no 2
plane = new nokia.maps.map.Marker(new nokia.maps.geo.Coordinate(1.371667, 173.146944), {
icon: planeBitmap
});
// Set Map center point
map.set("center", [-1.366667, 176.466667]);
// Define the map type to be SATELLITE
map.set("baseMapType", map.SATELLITE);
// Create a new container
markerContainer = new nokia.maps.map.Container()
// Add marker 1 to the container
markerContainer.objects.add(ship);
// Add marker 2 to the container
markerContainer.objects.add(plane);
// Add the container to the map
map.objects.add(markerContainer);
// Zoom the map to cover the markers of the container
map.zoomTo(markerContainer.getBoundingBox(),false,true);
 
</script>
</body>
</html>

See this example online

http://mapswidgets.mobi/1945onNokiaMaps.html

Sceenshots

You can see sprite images a Map marker icons below.

MapImg2.png MapImg1.png

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