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HERE Maps API - How to draw a polygon

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==For more on Nokia Maps API==
==For more on Nokia Maps API==

Revision as of 12:46, 31 December 2011

Article Metadata
Platform(s): Web browser
Created: (31 Dec 2011)
Updated: avnee.nathani (31 Dec 2011)
Last edited: avnee.nathani (31 Dec 2011)



In this article we will see how to draw a polygon on Nokia Maps.


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

Important about Maps credentials

With Nokia 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 Nokia Maps API Developers Guide section "Acquiring API credentials"


The API definition:

    new nokia.maps.map.Polygon (path, props) 
nokia.maps.geo.Strip | nokia.maps.geo.Coordinate[]} path The path as coordinate strip.
nokia.maps.map.Polygon.Properties} props The initial values of the specified properties.

To draw the Polygon we will create a new geo Strip with Coordinates and then a new Polygon will be instantiated using it. The Properties are defined the same way for drawing a Circle, Polyline or a Polygon.

Example code

<script type="text/javascript"
src="http://api.maps.nokia.com/2.0.0/jsl.js" charset="utf-8">
<link rel="stylesheet" href="style.css" />
<div id="map" style="width:100%; height:80%;"></div>
<script type="text/javascript">
myGeoStrip = new nokia.maps.geo.Strip([52,13,100,48,2,100,48,16,100,52,13,100], "values lat lng alt");
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.SATELLITE);
//new nokia.maps.map.Polygon (path, props)
{nokia.maps.geo.Strip | nokia.maps.geo.Coordinate[]} path The path as coordinate strip.
{nokia.maps.map.Polygon.Properties} props The initial values of the specified properties.

new nokia.maps.map.Polygon(myGeoStrip,
precision: 36,
simplify: 16,
fillColor: "FFFFCC",
color: "#829f",
width: 8



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 5.0b
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