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Color ramp with rotation and proportional symbols
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Description
Show temperature, wind speed and wind direction using a single renderer. Color is used for temperature, symbol rotation for direction and symbol size for wind speed.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>Class breaks with rotation and proportional symbols</title>
<link rel="stylesheet" href="https://js.arcgis.com/3.46/dijit/themes/claro/claro.css">
<link rel="stylesheet" href="https://js.arcgis.com/3.46/esri/css/esri.css">
<style>
html, body, #border-container {
height: 100%;
margin: 0;
}
</style>
<script src="https://js.arcgis.com/3.46/"></script>
<script>
require([
"esri/map", "esri/layers/FeatureLayer", "esri/dijit/Legend",
"esri/renderers/SimpleRenderer", "esri/symbols/SimpleMarkerSymbol",
"esri/Color", "dojo/_base/array", "dojo/parser", "esri/InfoTemplate", "esri/renderers/ClassBreaksRenderer",
"esri/layers/LabelLayer", "esri/symbols/TextSymbol", "esri/symbols/Font", "esri/symbols/SimpleLineSymbol",
"dijit/layout/BorderContainer", "dijit/layout/ContentPane",
"dojo/domReady!"
], function(
Map, FeatureLayer, Legend, SimpleRenderer, SimpleMarkerSymbol,
Color, arrayUtils, parser, InfoTemplate, ClassBreaksRenderer, LabelLayer, TextSymbol, Font, SimpleLineSymbol
) {
parser.parse();
var map = new Map("map", {
basemap: "gray-vector",
center: [-96.53, 38.374],
zoom: 4
});
var layer = new FeatureLayer("https://services.arcgis.com/V6ZHFr6zdgNZuVG0/arcgis/rest/services/weather_stations_010417/FeatureServer/0", {
mode: FeatureLayer.MODE_ONDEMAND,
outFields:["*"],
infoTemplate: new InfoTemplate("${STATION_NAME}, ${COUNTRY}", "<table><tr><td>Temperature</td><td>${TEMP}F</td></tr><tr><td>Dew point</td><td>${DEW_POINT}</td></tr><tr><td>Relative humidity</td><td>${R_HUMIDITY}</td></tr><tr><td>Wind</td><td>from ${WIND_DIRECT} degrees at ${WIND_SPEED}mph</td></tr><tr><td>Visibility</td><td>${VISIBILITY}</td></tr><tr><td>Pressure</td><td>${PRESSURE}mb</td></tr><tr><td>Coulds</td><td>${SKY_CONDTN}</td></tr><tr><td>Weather</td><td>${WEATHER}</td></tr><tr><td>Heat index</td><td>${HEAT_INDEX}</td></tr></table><hr><i>${UTC_DATETIME}</i>")
});
map.addLayers([layer]);
var marker = new SimpleMarkerSymbol().setPath("M14.5,29 23.5,0 14.5,9 5.5,0z").setOutline(new SimpleLineSymbol().setWidth(0.5));
var renderer = new SimpleRenderer(marker);
renderer.setRotationInfo({
field: "WIND_DIRECT"
});
renderer.setSizeInfo({
field: "WIND_SPEED",
minSize: 6,
maxSize: 25,
minDataValue: 5,
maxDataValue: 50,
valueUnit: "unknown"
});
renderer.setColorInfo({
field: "TEMP",
minDataValue: -20,
maxDataValue: 130,
colors: [
new Color([0,104,214]), new Color([20,120,220]), new Color([39,136,226]),
new Color([59,152,232]), new Color([78,169,237]), new Color([98,185,243]),
new Color([131,197,181]), new Color([164,210,120]), new Color([197,222,58]),
new Color([205,188,80]), new Color([212,155,102]), new Color([220,121,124]),
new Color([216,87,115]), new Color([211,53,106]), new Color([206,19,97])
]
});
layer.setRenderer(renderer);
//add the legend
map.on("layers-add-result", function (evt) {
var layerInfo = arrayUtils.map(evt.layers, function (layer, index) {
return {layer:layer.layer, title:"Temperature (F)"};
});
if (layerInfo.length > 0) {
var legendDijit = new Legend({
map: map,
layerInfos: layerInfo
}, "legend");
legendDijit.startup();
}
});
});
</script>
</head>
<body class="claro">
<div id="border-container" data-dojo-type="dijit/layout/BorderContainer" data-dojo-props="design:'headline', gutters:false">
<div data-dojo-type="dijit/layout/ContentPane" data-dojo-props="region:'right'" style="width: 200px;"><div id="legend"></div></div>
<div id="map" data-dojo-type="dijit/layout/ContentPane" data-dojo-props="region:'center'" style="padding: 0;"></div>
</div>
</body>
</html>