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HERE Maps API - How to draw a polygon

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[[Category:Web]][[Category:Browser]][[Category:Nokia Maps]]
+
[[Category:Nokia Maps]][[Category:Code Snippet]][[Category:JavaScript]][[Category:Nokia Maps]]
{{Abstract|visible=false|This article explains how to draw a polygon on Nokia Maps}}
+
{{Abstract|This article explains how to draw a {{Icode|polygon}} on Nokia Maps}}
 
+
 
{{ArticleMetaData
 
{{ArticleMetaData
 +
|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]]) -->
 +
|devices= Internet Explorer, Firefox, Google Chrome, Opera
 +
|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) -->
 +
|dependencies=Nokia Maps 2.2.3
 +
|signing=<!-- Signing requirements - empty or one of: Self-Signed, DevCert, Manufacturer -->
 +
|capabilities= <!-- Capabilities required by the article/code example (e.g. Location, NetworkServices. -->
 +
|keywords= Nokia Maps, JavaScript, shapes, polygon
 +
|id= <!-- Article Id (Knowledge base articles only) -->
 +
|language= <!-- Language category code for non-English topics - e.g. Lang-Chinese -->
 +
|translated-by= <!-- [[User:XXXX]] -->
 +
|translated-from-title= <!-- Title only -->
 +
|translated-from-id= <!-- Id of translated revision -->
 +
|review-by=<!-- After re-review: [[User:username]] -->
 +
|review-timestamp= <!-- After re-review: YYYYMMDD -->
 
|update-by=[[User:avnee.nathani]]
 
|update-by=[[User:avnee.nathani]]
 
|update-timestamp=20111231
 
|update-timestamp=20111231
 +
|creationdate=20110621
 +
|author=[[User:Maveric]]
 
}}
 
}}
  
==Introduction==
+
{{SeeAlso|
 
+
* [http://developer.here.net/javascript_api Nokia Maps API]
In this article we will see how to draw a polygon on Nokia Maps.
+
* [http://developer.here.net/apiexplorer/examples/api-for-js/shapes/map-with-shapes.html Adding shapes onto the map]
 +
}}
  
 
==Prerequisites==
 
==Prerequisites==
Line 16: Line 34:
 
Nokia Maps API supported web browser (basically any modern web browser)
 
Nokia Maps API supported web browser (basically any modern web browser)
  
==Important about Maps credentials==
+
==Important note 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
+
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
offering, you must get the credentials that authenticate your application against the Services. Please read through the Location API.
+
[http://developer.here.net/terms_conditions Terms and Conditions] and check the [http://developer.here.net/web/guest/plans Pricing Plans 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 for free following the instructions [http://developer.here.net/docs/maps_js/topics/credentials.html#acquiring-credentials here]
 
+
For more information on how to obtain the credentials, please start with the  Nokia Maps API Developers Guide section "Acquiring API credentials"
+
  
 
==Implementation==
 
==Implementation==
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</code>
 
</code>
  
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
+
To draw the {{Icode|Polygon}} we will create a new {{Icode|geo.Strip}} with {{Icode|GeoCoordinates}} and then a new {{Icode|Polygon}} will be instantiated using it. The Properties are defined
the same way for drawing a Circle, Polyline or a Polygon.
+
the same way for drawing a {{Icode|Circle}}, {{Icode|Polyline}} or a {{Icode|Polygon}}.
 +
 
  
 
==Example code==
 
==Example code==
  
  
<code java>
+
<code javascript>
<html>
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<head>
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<html xmlns="http://www.w3.org/1999/xhtml">
<script type="text/javascript"
+
    <head>
    src="http://api.maps.nokia.com/2.0.0/jsl.js" charset="utf-8">
+
      <title>Polygon</title>
</script>
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      <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
      <link rel="stylesheet" href="style.css" />
+
      <script type="text/javascript"
</head>
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            src="http://api.maps.nokia.com/2.2.3/jsl.js" charset="utf-8">
<body>
+
        </script>
<div id="map" style="width:100%; height:80%;"></div>
+
    </head>
</body>
+
    <body>
<script type="text/javascript">
+
 
+
        <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");
 +
 
 +
 +
//
 +
/////////////////////////////////////////////////////////////////////////////////////
 +
 
 
myGeoStrip = new nokia.maps.geo.Strip([52,13,100,48,2,100,48,16,100,52,13,100], "values lat lng alt");
 
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
+
var map = new nokia.maps.map.Display(document.getElementById("mapContainer"),  // new instance of Ovi Maps
 
{
 
{
 
   
 
   
Line 86: Line 116:
 
           width: 8
 
           width: 8
 
     }));
 
     }));
+
 
</script>
 
</script>
 
</body>
 
</body>
 
</html>
 
</html>
</code>
+
</code>
 +
 
 
==Screenshot==
 
==Screenshot==
[[File:NokiaMapsPolygon.png|600px]]
+
[[File:NokiaMapsPolygon.png]]
  
==For more on Nokia Maps API==
+
==For more on the Nokia Maps API==
  
 
Please check out the Nokia Maps API full documentation and API reference here:
 
Please check out the Nokia Maps API full documentation and API reference here:
* http://api.maps.nokia.com/2.0.0
+
* [http://developer.here.net/javascript_api Nokia Maps API]
 +
 
 +
You may also access the interactive API explorer
 +
* [http://developer.here.net/javascript_api_explorer API explorer]
  
You may also access the interactive Nokia Maps API playground,
 
* http://api.maps.nokia.com/playground/index.html
 
 
==Tested with==
 
==Tested with==
  
 
* Google Chrome 11.0x
 
* Google Chrome 11.0x
 
* Mozilla Firefox 5.0b
 
* Mozilla Firefox 5.0b

Revision as of 14:03, 4 January 2013

This article explains how to draw a polygon on Nokia Maps

Article Metadata
Tested with
Devices(s): Internet Explorer, Firefox, Google Chrome, Opera
Compatibility
Platform(s): Web browser
Dependencies: Nokia Maps 2.2.3
Article
Keywords: Nokia Maps, JavaScript, shapes, polygon
Created: Maveric (21 Jun 2011)
Updated: avnee.nathani (31 Dec 2011)
Last edited: jasfox (04 Jan 2013)

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 Terms and Conditions and check the Pricing Plans 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 for free following the instructions here

Implementation

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 GeoCoordinates 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

<!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>Polygon</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");
 
 
//
/////////////////////////////////////////////////////////////////////////////////////
 
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("mapContainer"), // 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.
*/

 
 
map.objects.add(
new nokia.maps.map.Polygon(myGeoStrip,
{
precision: 36,
simplify: 16,
fillColor: "FFFFCC",
color: "#829f",
width: 8
}));
 
</script>
</body>
</html>

Screenshot

NokiaMapsPolygon.png

For more on the Nokia Maps API

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

You may also access the interactive API explorer

Tested with

  • Google Chrome 11.0x
  • Mozilla Firefox 5.0b
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