Hide Table of Contents
Analysis
Data Reviewer
Dynamic Layers
Editing
Feature Layers
Feature Table
Graphics
Map
Mobile
Online and Portal
Popups and Info Windows
Query and Select
Renderers, Symbols, Visualization
Search
SVG and CSS to style points
Explore in the sandbox
View live sample
Download as a zip file
Description
Style point features using CSS. Points representing universities are sized according to their total enrollment. Not supported in browsers that do not support SVG.Code
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=7, IE=9, IE=10"/>
<title>SVG and CSS to style points</title>
<link rel="stylesheet" href="https://js.arcgis.com/3.29/esri/css/jsapi.css"/>
<link rel="stylesheet" href="https://fonts.googleapis.com/css?family=News+Cycle"/>
<style>
html, body {
height: 100%;
width: 100%;
margin: 0;
padding: 0;
font-family: 'News Cycle', sans-serif;
font-size: 0.90em;
}
#map {
height: 100%;
width: 100%;
}
/* Legend */
#legend {
height: 170px;
width: 800px;
position: absolute;
z-index: 1;
bottom: 1em;
left: 1em;
right: 1em;
background-color: #f8f8f8;
border-radius: 3px;
opacity: 0.95;
padding: 5px;
}
#title { font-weight: bold; font-size: 1.2em;}
#school {float: right; margin-right: 20px; max-width: 140px;}
#legend ul li { display: inline; float: left; margin-right: 30px; text-align: center; }
#symbols ul { margin: 0; padding: 0; list-style-type: none; }
/* Symbolization */
#legend .symbol {
border-radius: 50%;
display: block;
cursor: pointer;
margin: 5px auto 0;
}
#map .symbol {
stroke-linecap: round;
stroke-linejoin: round;
stroke-opacity: 1.0;
fill-opacity: 1.0;
}
/* classbreaks */
.nodata {
background-color: rgb(255, 0, 0););
fill: rgb(255, 0, 0););
opacity: 0.9;
stroke: rgb(255, 0, 0);
}
.symbol.nodata { width: 6px; height: 6px; }
.nodata_hover .nodata { stroke: rgb(100,0,0) }
.nodata_select .nodata { stroke: rgb(200,0,0); box-shadow: 0 0 5px 5px #FF0000;}
.small {
background-color: rgb(0, 89, 190);
fill: rgb(0, 89, 190);
opacity: 0.85;
stroke: rgb(0, 89, 190);
stroke-width: 3pt;
}
.symbol.small { width: 6px; height: 6px; }
.small_hover .small { stroke: rgb(100,0,0) }
.small_select .small { stroke: rgb(200,0,0); box-shadow: 0 0 5px 5px #FF0000;}
.medium {
background-color: rgb(0, 89, 190);
fill: rgb(0, 89, 190);
opacity: 0.65;
stroke: rgb(0, 89, 190);
stroke-width: 10pt;
}
.symbol.medium { width: 16px; height: 16px; }
.medium_hover .medium { stroke: rgb(100,0,0) }
.medium_select .medium { stroke: rgb(200,0,0); box-shadow: 0 0 5px 5px #FF0000;}
.large {
background-color: rgb(0, 89, 190);
fill: rgb(0, 89, 190);
opacity: 0.35;
stroke: rgb(0, 89, 190);
stroke-width: 30pt;
}
.symbol.large { width: 40px; height: 40px; }
.large_hover .large { stroke: rgb(100,0,0) }
.large_select .large { stroke: rgb(200,0,0); box-shadow: 0 0 5px 5px #FF0000;}
.xlarge {
background-color: rgb(0, 89, 190);
fill: rgb(0, 89, 190);
stroke: rgb(0, 89, 190);
stroke-width: 45pt;
opacity: 0.25;
}
.symbol.xlarge { width: 70px; height: 70px; }
.xlarge_hover .xlarge { stroke: rgb(100,0,0) }
.xlarge_select .xlarge { stroke: rgb(200,0,0); box-shadow: 0 0 5px 5px #FF0000;}
.xxlarge {
background-color: rgb(0, 89, 190);
stroke: rgb(0, 89, 190);
fill: rgb(0, 89, 190);
fill-opacity: 1;
stroke-width: 70pt;
stroke-opacity: 1;
opacity: 0.12;
}
.symbol.xxlarge{ width: 90px; height: 90px; }
.xxlarge_hover .xxlarge { stroke: rgb(100,0,0) }
.xxlarge_select .xxlarge { stroke: rgb(200,0,0); box-shadow: 0 0 5px 5px #FF0000;}
/* Interaction */
#map .symbol:hover {
opacity: 0.9;
}
#legend .symbol.active, #legend .symbol:hover {
box-shadow: 0 0 5px 5px #FF0000;
}
</style>
<script src="https://js.arcgis.com/3.29/"></script>
<script>
require([
"esri/map",
"esri/layers/FeatureLayer",
"dojo/_base/array",
"dojo/dom-class",
"dojo/dom",
"dojo/number",
"dojo/on",
"dojo/parser",
"dojo/ready"
], function (Map, FeatureLayer, array, domClass, dom, number, on, parser, ready) {
parser.parse();
ready(function () {
var map = new Map("map", {
basemap:"gray",
center:[-72, 42.028175],
zoom:9
});
var featureLayer = new FeatureLayer("https://services.arcgis.com/V6ZHFr6zdgNZuVG0/arcgis/rest/services/colleges/FeatureServer/0", {
id:"featureLayer",
styling:false,
dataAttributes:["COLLEGE", "UNDERGRAD", "GRAD", "CITYST"]
});
if (featureLayer.surfaceType === "svg") {
on(featureLayer, "mouse-over", function (evt) {
var underGradCount = evt.graphic.attributes.UNDERGRAD;
dom.byId("school").innerHTML = evt.graphic.attributes.COLLEGE + "<br />" +
evt.graphic.attributes.CITYST + "<br />Enrollment: " +
number.format(underGradCount, { places:0 }) + "<br />";
domClass.add("legend_" + evt.graphic.attributes.SIZE, "active");
});
on(featureLayer, "mouse-out", function (evt) {
domClass.remove("legend_" + evt.graphic.attributes.SIZE, "active");
});
on(featureLayer, "graphic-draw", function (evt) {
var underGradCount = evt.graphic.attributes.UNDERGRAD;
var enrollmentSize;
if (underGradCount < 1) {
enrollmentSize = "nodata";
} else if (underGradCount > 0 && underGradCount < 3000) {
enrollmentSize = "small";
} else if (underGradCount >= 3000 && underGradCount < 6000) {
enrollmentSize = "medium";
} else if (underGradCount >= 6000 && underGradCount < 9000) {
enrollmentSize = "large";
} else if (underGradCount >= 9000 && underGradCount < 12000) {
enrollmentSize = "xlarge";
} else if (underGradCount >= 12000) {
enrollmentSize = "xxlarge";
}
evt.graphic.attributes.SIZE = enrollmentSize;
// set the data attribute for the feature
evt.node.setAttribute("class", enrollmentSize + " symbol");
});
}
map.addLayer(featureLayer);
var symbols = dojo.query("#legend .symbol");
symbols.on("mouseover", function(evt) {
dojo.addClass("body", evt.target.getAttribute("data-size") + "_hover");
});
symbols.on("mouseout", function(evt) {
dojo.removeClass("body", evt.target.getAttribute("data-size") + "_hover");
});
symbols.on("click", function(evt) {
dojo.toggleClass("body", evt.target.getAttribute("data-size") + "_select");
});
});
});
</script>
</head>
<body id="body">
<div id="map"></div>
<div id="legend">
<div id="title">2012 Undergraduate Enrollment</div>
<div id="school"></div>
<ul>
<li>+12,000 <span id="legend_xxlarge" data-size="xxlarge" class="symbol xxlarge"></span></li>
<li>12,000-9,000 <span id="legend_xlarge" data-size="xlarge" class="symbol xlarge"></span></li>
<li>8,999 - 6,000 <span id="legend_large" data-size="large" class="symbol large"></span></li>
<li>5,999 - 3,000 <span id="legend_medium" data-size="medium" class="symbol medium"></span></li>
<li>2,999 - 0 <span id="legend_small" data-size="small" class="symbol small"></span></li>
<li>No data <span id="legend_nodata" data-size="nodata" class="symbol nodata"></span></li>
</ul>
</div>
</body>
</html>