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How to read the JSON input file instead of JS file ?

Platform: JavaScript |
Control: ejMap |
Published Date: January 6, 2015 |
Last Revised Date: June 25, 2019
Tags: maps, json, js, javascript

The following steps help you meet the requirement.

Step 1: Create a sample map and include the necessary script files.

Step 2: Use the SyncfusionLocation.json script file for reference.

HTML

[SyncfusionLocation.json]
sync = '[{ "Name": "Chennai", "Country": "India", "latitude": 13.0839, "longitude": 80.27,"Description": "Chennai", "Address": "EYMARD" },{ "Name": "North Carolina ", "Country": "United States", "latitude": 35.5, "longitude": -80, "Description": "USA", "Address": "RDU" }]';    

Step 3: In order to read the JSON file data, you need to parse the JSON file as follows:

HTML

    var json= JSON.parse(sync); 

In the above example, the SyncfusionLocation file variable, or sync, has been parsed and stored in a variable called json.

Step 4: Assign the parsed json data to markers.

HTML

       markers: json, 

In the following code example is used markers and markerTemplate, to denote json data in the “World Map”, based on its respective latitude and longitude.

Refer the following online documentation links for more details about markers and markerTemplate.

http://help.syncfusion.com/ug/js/documents/mapelements.htm

Sample Location for Markers:

http://js.syncfusion.com/demos/web/#!/azure/map/DataMarkers

HTML

<script type="text/javascript">   
     jQuery(function ($) {         
      var json= JSON.parse(sync);
      $("#container").ejMap({                     
                   . . .             
                 layers: [
                       {
                                          . . .              
                               markers: json,
                                                                            . . .         
                               shapeData: world_map
                                                 }
                 ]
             });
         });        
    </script>  

Screenshot:

C:\Users\Adithi\AppData\Roaming\Skype\My Skype Received Files\IMG_06012015_042644.png

Figure 1: Map with Markers

 

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