HERE Maps API - How to draw a rectangle
This article explains how to draw a rectangle on Nokia maps.
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Prerequisites
Nokia Maps API supported web browser (basically any modern web browser)
Important about Maps credentials
Nokia provides several services options within the Maps API offering. The service is free to use, but if you complete the free registration process and obtain authentication and authorization credentials, your application will have priority access to the service and will thus avoid a potential performance penalty. 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 from the Nokia Developer API Registration page.
Implementation
API Definition of Rectangle:
new nokia.maps.map.Rectangle (bounds, props)
Definition for the BoundingBox, used to form the rectangle:
new nokia.maps.geo.BoundingBox (topLeft, [bottomRight, [skipValidation]])
Example code
This is a full example with HTML and JavaScript.
<html>
<head>
<script type="text/javascript"
src="http://api.maps.nokia.com/2.0.0/jsl.js" charset="utf-8">
</script>
</head>
<body>
<div id="map" style="width:100%; height:80%;"></div>
</body>
<script type="text/javascript">
var myBoundingBox = new nokia.maps.geo.BoundingBox ([53.1, 13.1], [43.1, 40.1]);
var map = new nokia.maps.map.Display(document.getElementById("map"), // new instance of Ovi 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': 4,
'center':[53.1, 13.1]
});
map.set("baseMapType", map.NORMAL);
map.objects.add(
new nokia.maps.map.Rectangle(myBoundingBox,
{
precision: 36,
simplify: 16,
fillColor: "FFFFCC",
color: "E8FA75",
width: 8
}));
</script>
</body>
</html>
Screenshot
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,
Tested with
- Google Chrome 11.0x
- Mozilla Firefox 5.0
