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Revision as of 15:26, 21 June 2011 by Maveric (Talk | contribs)

HERE Maps API - How to draw a rectangle

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Contents

Introduction

In this article is shown how to draw a rectangle on Ovi Maps.

Prerequisites

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

The example assumes you have already added the Ovi Maps to your web page as explained in the previous article "Ovi Maps - add the map to any web page"

Important about Maps credentials

With Ovi Maps API you can start without having any credentials given, but you might face a performance gap. In order to get the full potential out of the offering, you must get the credentials that authenticate your application against the Services. Please read through the Location API.

For more information on how to obtain the credentials, please start with the Ovi Maps API Developers Guide section "Acquiring API credentials"

Implementation

API Definition of Rectangle:

    new ovi.mapsapi.map.Rectangle (bounds, props)

Definition for the BoundingBox, used to form the rectangle:

new ovi.mapsapi.geo.BoundingBox (topLeft, [bottomRight, [skipValidation]])

Example code

This is a full example with HTML and JavaScript.

<html>
<head>
<script src="http://api.maps.ovi.com/jsl.js" type="text/javascript" charset="utf-8"></script>
</head>
<body>
<div id="map" style="width:100%; height:80%;"></div>
</body>
<script type="text/javascript">
 
var myBoundingBox = new ovi.mapsapi.geo.BoundingBox ([53.1, 13.1], [43.1, 40.1]);
//new ovi.mapsapi.geo.BoundingBox (topLeft, [bottomRight, [skipValidation]])
 
var map = new ovi.mapsapi.map.Display(document.getElementById("map"), // new instance of Ovi Maps
{
components: [ new ovi.mapsapi.map.component.Behavior(),
new ovi.mapsapi.map.component.ZoomBar(),
new ovi.mapsapi.map.component.Overview(),
new ovi.mapsapi.map.component.TypeSelector(),
new ovi.mapsapi.map.component.ScaleBar()],
'zoomLevel': 4,
'center':[53.1, 13.1]
});
 
map.set("baseMapType", map.SATELLITE);
 
map.objects.add(
new ovi.mapsapi.map.Rectangle(myBoundingBox,
{
precision: 36,
simplify: 16,
fillColor: "FFFFCC",
color: "E8FA75",
width: 8
}));
 
</script>
</body>
</html>


For more on Ovi Maps API

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

http://api.maps.ovi.com

Tested with

Google Chrome 11.0x Mozilla Firefox 5.0

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