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Geoenrichment - InfographicsCarousel
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Description
The InfographicsCarousel widget requests for GeoEnrichment data of a given location, and visualizes the results in a collection of Infographics. This sample allows users to click any location on the map and returns the GeoEnrichment data (a one variable summary and an age pyramid) of a 5-mile driving buffer area. Use the "previous" and "next" button to switch between different info graphics.GeoEnrichment is a subscription based service available through ArcGIS Online. Log-in credentials are always required when executing a GeoEnrichment task. For demo purpose, this sample uses a helper method to define a proxy for a set of resources. All requests to geoenrich.arcgis.com are routed to the specified proxy url.
urlUtils.addProxyRule({
urlPrefix: "geoenrich.arcgis.com",
proxyUrl: "/sproxy"
});
When writing your own apps, remove this part from the code so your users will be able to sign in with their own credentials.
Code
<!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>Geoenrichment - InfographicsCarousel</title>
<link rel="stylesheet" href="https://js.arcgis.com/3.26/dijit/themes/claro/claro.css">
<link rel="stylesheet" href="https://js.arcgis.com/3.26/esri/dijit/geoenrichment/themes/common/main.css">
<link rel="stylesheet" href="https://js.arcgis.com/3.26/esri/css/esri.css">
<style>
html, body, #map {
height: 100%;
margin: 0;
}
#infographics {
position: absolute;
top: 10px;
right: 10px;
}
</style>
<script src="https://js.arcgis.com/3.26/"></script>
<script>
require([
"esri/map", "esri/urlUtils", "esri/graphic", "esri/dijit/geoenrichment/InfographicsCarousel", "esri/dijit/geoenrichment/InfographicsOptions", "esri/tasks/geoenrichment/DriveBuffer",
"esri/symbols/SimpleMarkerSymbol", "esri/symbols/SimpleFillSymbol", "esri/tasks/geoenrichment/GeometryStudyArea", "dojo/domReady!"
], function(Map, urlUtils, Graphic, InfographicsCarousel, InfographicsOptions, DriveBuffer, SimpleMarkerSymbol, SimpleFillSymbol, GeometryStudyArea){
// all requests to geoenrich.arcgis.com will proxy to the proxyUrl defined in this object.
urlUtils.addProxyRule({
urlPrefix: "geoenrich.arcgis.com",
proxyUrl: "/sproxy/"
});
var map = new Map("map", {
basemap: "topo",
center: [-118.25,34.06],
zoom: 12
});
var infographicsCarousel = new InfographicsCarousel({
returnGeometry: true
}, "infographics");
dijit.byId("infographics").domNode.style.display = "none"; //hide the infographicsCarousel until first click
var options = new InfographicsOptions();
options.studyAreaOptions = new DriveBuffer({ radius: 5 });
options.getItems("US").then(function(items){
for (var i = 0; i < items.length; i++) {
items[i].isVisible = false; //make all default infographics invisible
}
var item1 = new InfographicsOptions.Item("OneVar", ["Wealth.PCI_CY"]);
item1.title = "2013 Per Capita Income";
var item2 = new InfographicsOptions.Item("AgePyramid", ["Age.*"]);
item2.title = "Age breakdown";
items.push(item1, item2); //add two new items to the infographicsCarousel
infographicsCarousel.set("options", options);
});
var studyAreaGraphic;
map.on("click", function(evt){
map.graphics.clear(); //clear existing graphics on map
studyAreaGraphic = undefined; //set studyAreaGraphic as undefined
map.graphics.add(new Graphic(evt.mapPoint, new SimpleMarkerSymbol()));
dijit.byId("infographics").domNode.style.display = "inline-block"; //show the infographicsCarousel
infographicsCarousel.set("studyArea", new GeometryStudyArea({ geometry: evt.mapPoint }));
infographicsCarousel.startup();
});
infographicsCarousel.on("data-ready", function(evt){
if (!studyAreaGraphic) {
studyAreaGraphic = new Graphic(evt.provider.getGeometry(), new SimpleFillSymbol());
map.graphics.add(studyAreaGraphic);
}
});
});
</script>
</head>
<body class="claro">
<div id="map"></div>
<div id="infographics"></div>
</body>
</html>