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index_v3.html
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index_v3.html
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<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="apple-mobile-web-app-capable" content="yes">
<meta name="apple-mobile-web-app-status-bar-style" content="black-translucent">
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0">
<title>Flare Cluster Layer Example</title>
<link rel="stylesheet" href="//js.arcgis.com/3.18/esri/css/esri.css">
<style>
html, body {
height: 100%;
width: 100%;
margin: 0;
padding: 0;
font-family: Arial, Calibri;
}
#map {
width: 100%;
height: 100%;
padding: 0;
margin: 0;
position: relative;
}
#header {
position: absolute;
z-index: 1000;
top: 0px;
left: 0px;
height: 15px;
width: 100%;
font-weight: bold;
padding: 15px 10px;
}
#header a {
margin-left: 20px;
color: #FFF;
}
#header, #menu {
position: absolute;
z-index: 1000;
background-color: rgba(0,0,0,0.7);
color: #FFF;
font-size: 0.8em;
}
#menu {
top: 45px;
left: 0;
bottom: 0;
width: 165px;
padding: 5px 10px;
border-top: 1px Solid #FFF;
transition: left ease 0.5s;
}
#menu > div {
margin-top: 10px;
}
#menu select {
height: 25px;
border-radius: 5px;
margin-right: 20px;
}
#menu.closed {
left: -190px;
transition: left ease 0.5s;
}
.menu-hamburger {
position: relative;
display: inline-block;
width: 1.25em;
height: 0.8em;
margin-right: 0.3em;
border-top: 0.2em solid #fff;
border-bottom: 0.2em solid #fff;
cursor: pointer;
}
.menu-hamburger:before {
content: "";
position: absolute;
top: 0.3em;
left: 0px;
width: 100%;
border-top: 0.2em solid #fff;
}
#close-menu {
cursor: pointer;
position: absolute;
right: 5px;
top: 0;
font-size: 1.5em;
}
.esriSimpleSliderTL {
top: 60px;
right: 20px;
left: initial;
}
</style>
<script>
var dojoConfig = {
parseOnLoad: false,
async: true,
tlmSiblingOfDojo: false,
packages: [{
name: "fcl",
location: location.pathname.replace(/\/[^/]+$/, '') + "/fcl"
}]
};
</script>
<script src="http://js.arcgis.com/3.18/"></script>
<script src="DataManager.js"></script>
<script type="text/javascript">
var map;
var graphics;
var clusterLayer;
//set some defaults
var preClustered = false;
var displaySingleFlaresAtCount = 10;
var areaDisplayMode = "hover";
require(["esri/map", "esri/layers/graphics", "esri/graphic", "esri/dijit/PopupTemplate", "fcl/FlareClusterLayer_v3",
"esri/symbols/SimpleMarkerSymbol", "esri/symbols/SimpleLineSymbol", "esri/symbols/SimpleFillSymbol", "esri/renderers/ClassBreaksRenderer",
"dojo/ready", "dojo/json", "dojo/dom", "dojo/on", "dojo/text!./data.json"],
function (Map, GraphicsLayer, Graphic, PopupTemplate, FlareClusterLayer, SimpleMarkerSymbol, SimpleLineSymbol, SimpleFillSymbol, ClassBreaksRenderer, ready, JSON, dom, on, data) {
//load up the dummy data
var allData = JSON.parse(data);
DataManager.setData(allData);
ready(function () {
document.getElementById("clustering-mode").value = preClustered ? "server" : "client";
document.getElementById("area-mode").value = areaDisplayMode;
map = new Map("map", {
center: [133, -25],
zoom: 4,
basemap: "gray",
minZoom: 3
});
map.on("load", function () {
initLayer();
});
//for preclustered data, clear and re-get the data on every zoom or pan
map.on("pan-start", function () {
if (preClustered) {
clusterLayer.clear();
}
});
map.on("pan-end", function () {
if (preClustered) {
getPreClusteredGraphics();
}
});
map.on("zoom-end", function () {
if (preClustered) {
getPreClusteredGraphics();
}
});
});
function initLayer() {
//init the layer, more options are available and explained in the cluster layer constructor
clusterLayer = new FlareClusterLayer({
id: "flare-cluster-layer",
spatialReference: new esri.SpatialReference({ "wkid": 4326 }),
subTypeFlareProperty: "facilityType",
singleFlareTooltipProperty: "name",
displaySubTypeFlares: true,
displaySingleFlaresAtCount: displaySingleFlaresAtCount,
flareShowMode: "mouse",
preClustered: preClustered,
clusterRatio: 75,
clusterAreaDisplay: areaDisplayMode,
clusteringBegin: function () {
console.log("clustering begin");
},
clusteringComplete: function () {
console.log("clustering complete");
}
});
//set up a class breaks renderer to render different symbols based on the cluster count. Use the required clusterCount property to break on.
var defaultSym = new SimpleMarkerSymbol().setSize(6).setColor("#FF0000").setOutline(null)
var renderer = new ClassBreaksRenderer(defaultSym, "clusterCount");
var xlSymbol = new SimpleMarkerSymbol(SimpleMarkerSymbol.STYLE_CIRCLE, 32, new SimpleLineSymbol(SimpleLineSymbol.STYLE_SOLID, new dojo.Color([200, 52, 59, 0.8]), 1), new dojo.Color([250, 65, 74, 0.8]));
var lgSymbol = new SimpleMarkerSymbol(SimpleMarkerSymbol.STYLE_CIRCLE, 28, new SimpleLineSymbol(SimpleLineSymbol.STYLE_SOLID, new dojo.Color([41, 163, 41, 0.8]), 1), new dojo.Color([51, 204, 51, 0.8]));
var mdSymbol = new SimpleMarkerSymbol(SimpleMarkerSymbol.STYLE_CIRCLE, 24, new SimpleLineSymbol(SimpleLineSymbol.STYLE_SOLID, new dojo.Color([82, 163, 204, 0.8]), 1), new dojo.Color([102, 204, 255, 0.8]));
var smSymbol = new SimpleMarkerSymbol(SimpleMarkerSymbol.STYLE_CIRCLE, 22, new SimpleLineSymbol(SimpleLineSymbol.STYLE_SOLID, new dojo.Color([230, 184, 92, 0.8]), 1), new dojo.Color([255, 204, 102, 0.8]));
renderer.addBreak(0, 19, smSymbol);
renderer.addBreak(20, 150, mdSymbol);
renderer.addBreak(151, 1000, lgSymbol);
renderer.addBreak(1001, Infinity, xlSymbol);
if (areaDisplayMode) {
//if area display mode is set. Create a renderer to display cluster areas. Use SimpleFillSymbols as the areas are polygons
var defaultAreaSym = new SimpleFillSymbol().setStyle(SimpleFillSymbol.STYLE_SOLID).setColor(new dojo.Color([0, 0, 0, 0.2])).setOutline(new SimpleLineSymbol(SimpleLineSymbol.STYLE_SOLID, new dojo.Color([0, 0, 0, 0.3]), 1));
var areaRenderer = new ClassBreaksRenderer(defaultAreaSym, "clusterCount");
var xlAreaSymbol = new SimpleFillSymbol(SimpleFillSymbol.STYLE_SOLID, new SimpleLineSymbol(SimpleLineSymbol.STYLE_SOLID, new dojo.Color([200, 52, 59, 0.8]), 1), new dojo.Color([250, 65, 74, 0.8]));
var lgAreaSymbol = new SimpleFillSymbol(SimpleFillSymbol.STYLE_SOLID, new SimpleLineSymbol(SimpleLineSymbol.STYLE_SOLID, new dojo.Color([41, 163, 41, 0.8]), 1), new dojo.Color([51, 204, 51, 0.8]));
var mdAreaSymbol = new SimpleFillSymbol(SimpleFillSymbol.STYLE_SOLID, new SimpleLineSymbol(SimpleLineSymbol.STYLE_SOLID, new dojo.Color([82, 163, 204, 0.8]), 1), new dojo.Color([102, 204, 255, 0.8]));
var smAreaSymbol = new SimpleFillSymbol(SimpleFillSymbol.STYLE_SOLID, new SimpleLineSymbol(SimpleLineSymbol.STYLE_SOLID, new dojo.Color([230, 184, 92, 0.8]), 1), new dojo.Color([255, 204, 102, 0.8]));
areaRenderer.addBreak(0, 19, smAreaSymbol);
areaRenderer.addBreak(20, 150, mdAreaSymbol);
areaRenderer.addBreak(151, 1000, lgAreaSymbol);
areaRenderer.addBreak(1001, Infinity, xlAreaSymbol);
//use the custom overload of setRenderer to include the renderer for areas.
clusterLayer.setRenderer(renderer, areaRenderer);
}
else {
clusterLayer.setRenderer(renderer); //use standard setRenderer.
}
//set up a popup template
var template = new PopupTemplate({
title: "{name}",
fieldInfos: [
{ fieldName: "facilityType", label: "Facility Type", visible: true },
{ fieldName: "postcode", label: "Post Code", visible: true },
{ fieldName: "isOpen", label: "Opening Hours", visible: true }
]
});
clusterLayer.infoTemplate = template;
map.infoWindow.titleInBody = false;
map.addLayer(clusterLayer);
//get the first set of data
if (preClustered) {
getPreClusteredGraphics();
}
else {
//not preclustered - just add the raw data to be clusted within the layer.
var data = DataManager.getData();
clusterLayer.addData(data);
}
}
function clearLayer() {
map.removeLayer(clusterLayer);
clusterLayer = null;
}
function getPreClusteredGraphics() {
var maxSingleFlareCount = displaySingleFlaresAtCount;
var clusterRatio = 75;
var clusteredData = DataManager.fakeServerSideClustering(clusterRatio, maxSingleFlareCount, areaDisplayMode, map);
clusterLayer.addPreClusteredData(clusteredData);
}
//setup some event handlers to handler change of options
on(dom.byId("clustering-mode"), "change", function (evt) {
clearLayer();
preClustered = this.value === "server" ? true : false;
initLayer();
});
on(dom.byId("area-mode"), "change", function (evt) {
clearLayer();
areaDisplayMode = this.value;
initLayer();
});
on(dom.byId("menu-switch"), "click", function (evt) {
var menu = dom.byId("menu");
if (menu.classList.contains("closed")) {
menu.classList.remove("closed");
}
else {
menu.classList.add("closed");
}
});
on(dom.byId("close-menu"), "click", function (evt) {
var menu = dom.byId("menu");
menu.classList.add("closed");
});
});
</script>
</head>
<body>
<div id="map">
<div id="header">
<span id="menu-switch" class="menu-hamburger" title="Show/hide options"></span>
<span>Flare cluster layer - API v3.x</span>
<a href="index_v4.html" >Goto v4 example</a>
</div>
<div id="menu" >
<span id="close-menu" title="Hide options">×</span>
<div><label for="clustering-mode">Clustering mode:</label></div>
<div>
<select id="clustering-mode">
<option value="server">Fake server side</option>
<option value="client">Client side</option>
</select>
</div>
<hr />
<div><label for="area-mode">Display cluster area mode:</label></div>
<div>
<select id="area-mode">
<option value="">None</option>
<option value="hover">Hover</option>
<option value="always">Always</option>
</select>
</div>
</div>
</div>
</body>
</html>