Json into ArcGIS Javascript webapp

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05-23-2015 08:08 AM
francescodi_vito
New Contributor

Hi guys,

if i have a php webservice that give me a file json whit this structue:

[{"X":"10.7405452193923","Y":"43.3355923867557"},{"X":"10.7407217984989","Y":"43.3355340533791"},{"X":"10.7408835994563","Y":"43.335480896985"},{"X":"10.7410306223461","Y":"43.3354329176355"},{"X":"10.7411627465152","Y":"43.335390207266"},{"X":"10.7412803393565","Y":"43.3353526702927"},{"X":"10.741383031029","Y":"43.3353203123922"},{"X":"10.7414709448831","Y":"43.3352931317262"},{"X":"10.7415440835355","Y":"43.3352712183308"},{"X":"10.7416789455504","Y":"43.3352336880827"},{"X":"10.7418206609345","Y":"43.3351985744555"},{"X":"10.7419689856675","Y":"43.3351659711827"},{"X":"10.7421240404811","Y":"43.3351357863575"},{"X":"10.7422820134068","Y":"43.3351084381952"},{"X":"10.7424395779608","Y":"43.3350840674097"},{"X":"10.74259636942","Y":"43.3350628596433"},{"X":"10.7427527525556","Y":"43.3350446292572"}]

it's possible to call this php web service and renderer the json into webapp javacript?

There is any exmple?

Thanks

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1 Solution

Accepted Solutions
RobertScheitlin__GISP
MVP Esteemed Contributor

Francesco,

  Just change the esriRequest url to yours and this should work:

<!DOCTYPE html>

<html>

  <head>

    <meta http-equiv="Content-Type" content="text/html; charset=utf-8">

    <meta name="viewport" content="initial-scale=1, maximum-scale=1,user-scalable=no">

    <title>PHP WebService Smaple</title>

    <link rel="stylesheet" href="http://js.arcgis.com/3.13/dijit/themes/claro/claro.css">

    <link rel="stylesheet" href="http://js.arcgis.com/3.13/esri/css/esri.css">

    <style>

      html, body, #map {

        height:100%;

        width:100%;

        margin:0;

        padding:0;

      }

      body {

        background-color:#FFF;

        overflow:hidden;

        font-family:"Trebuchet MS";

      }

      .esriSimpleSliderHomeButton {

        border-bottom: 2px solid #666666;

        background-image: url(images/home.png);

        background-repeat: no-repeat;

        background-position: center;

        cursor: pointer;

      }

      .esriSimpleSliderHomeButton:hover {

        background-color: rgb(238, 238, 238);

        background-color: rgba(238, 238, 238, 0.9);

      }

    </style>

    <script src="//js.arcgis.com/3.13/"></script>

    <script>

      var map;

      require([

        "esri/map", "esri/geometry/Point", "esri/symbols/SimpleMarkerSymbol",

        "esri/graphic", "esri/layers/GraphicsLayer", "esri/request", "dojo/parser",

        "dijit/layout/BorderContainer", "dijit/layout/ContentPane",

        "dojo/domReady!"

      ], function(

        Map, Point, SimpleMarkerSymbol,

        Grahpic, GraphicsLayer, esriRequest,

        parser

      ) {

        parser.parse();

        map = new Map("map", {

          basemap: "streets",

          center: [10.740, 43.335],

          slider: true,

          zoom: 16

        });

        dojo.connect(map,"onLoad",function(){

          var initExtent = map.extent;

          dojo.create("div",{

            className: "esriSimpleSliderHomeButton",

            title: 'Zoom to Full Extent',

            onclick: function(){

              map.setExtent(initExtent);

            }

          },dojo.query(".esriSimpleSliderIncrementButton")[0], "after");

        });

        var gl = new GraphicsLayer({ id: "Sites" });

        map.addLayer(gl);

        var locsRequest = esriRequest({

          url: "francisco.json",    /*change this*/

          handleAs: "json"

        });

        var graphic;

        locsRequest.then(

          function(response) {

            var j = 0;

            for (var i = 0; i < response.length; i++) {

              j++;

              if (j >=9) {j = 1};

              graphic = new Grahpic(new Point(response.X,response.Y), new SimpleMarkerSymbol());

              var siteid = 'site' + i;

              gl.add(graphic);

            }

        }, function(error) {

            console.log("Error: ", error.message);

        });

      });

    </script>

  </head>

  <body class="claro">

    <div data-dojo-type="dijit/layout/BorderContainer"

        data-dojo-props="design:'sidebar', gutters:false"

        style="width:100%;height:100%;">

      <div id="map"

        data-dojo-type="dijit/layout/ContentPane"

        data-dojo-props="region:'center'">

      </div>

    </div>

  </body>

</html>

View solution in original post

3 Replies
RobertScheitlin__GISP
MVP Esteemed Contributor

Francesco,

  Just change the esriRequest url to yours and this should work:

<!DOCTYPE html>

<html>

  <head>

    <meta http-equiv="Content-Type" content="text/html; charset=utf-8">

    <meta name="viewport" content="initial-scale=1, maximum-scale=1,user-scalable=no">

    <title>PHP WebService Smaple</title>

    <link rel="stylesheet" href="http://js.arcgis.com/3.13/dijit/themes/claro/claro.css">

    <link rel="stylesheet" href="http://js.arcgis.com/3.13/esri/css/esri.css">

    <style>

      html, body, #map {

        height:100%;

        width:100%;

        margin:0;

        padding:0;

      }

      body {

        background-color:#FFF;

        overflow:hidden;

        font-family:"Trebuchet MS";

      }

      .esriSimpleSliderHomeButton {

        border-bottom: 2px solid #666666;

        background-image: url(images/home.png);

        background-repeat: no-repeat;

        background-position: center;

        cursor: pointer;

      }

      .esriSimpleSliderHomeButton:hover {

        background-color: rgb(238, 238, 238);

        background-color: rgba(238, 238, 238, 0.9);

      }

    </style>

    <script src="//js.arcgis.com/3.13/"></script>

    <script>

      var map;

      require([

        "esri/map", "esri/geometry/Point", "esri/symbols/SimpleMarkerSymbol",

        "esri/graphic", "esri/layers/GraphicsLayer", "esri/request", "dojo/parser",

        "dijit/layout/BorderContainer", "dijit/layout/ContentPane",

        "dojo/domReady!"

      ], function(

        Map, Point, SimpleMarkerSymbol,

        Grahpic, GraphicsLayer, esriRequest,

        parser

      ) {

        parser.parse();

        map = new Map("map", {

          basemap: "streets",

          center: [10.740, 43.335],

          slider: true,

          zoom: 16

        });

        dojo.connect(map,"onLoad",function(){

          var initExtent = map.extent;

          dojo.create("div",{

            className: "esriSimpleSliderHomeButton",

            title: 'Zoom to Full Extent',

            onclick: function(){

              map.setExtent(initExtent);

            }

          },dojo.query(".esriSimpleSliderIncrementButton")[0], "after");

        });

        var gl = new GraphicsLayer({ id: "Sites" });

        map.addLayer(gl);

        var locsRequest = esriRequest({

          url: "francisco.json",    /*change this*/

          handleAs: "json"

        });

        var graphic;

        locsRequest.then(

          function(response) {

            var j = 0;

            for (var i = 0; i < response.length; i++) {

              j++;

              if (j >=9) {j = 1};

              graphic = new Grahpic(new Point(response.X,response.Y), new SimpleMarkerSymbol());

              var siteid = 'site' + i;

              gl.add(graphic);

            }

        }, function(error) {

            console.log("Error: ", error.message);

        });

      });

    </script>

  </head>

  <body class="claro">

    <div data-dojo-type="dijit/layout/BorderContainer"

        data-dojo-props="design:'sidebar', gutters:false"

        style="width:100%;height:100%;">

      <div id="map"

        data-dojo-type="dijit/layout/ContentPane"

        data-dojo-props="region:'center'">

      </div>

    </div>

  </body>

</html>

View solution in original post

francescodi_vito
New Contributor

Thanks Robert.

0 Kudos
RobertScheitlin__GISP
MVP Esteemed Contributor

francesco di vito

Glad to help.

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