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ElevationProfile widget - user-specified input geometry
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Description
This sample allows input of either a polyline or freehand polyline geometry. The elevation profile is based off of this geometry and is calculated using the elevation profile service specified in the profileTaskUrl. There is also the option to change the unit of measurement.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>Elevation Profile: Create Features</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/css/esri.css">
<script>var dojoConfig = { parseOnLoad: true };</script>
<script src="https://js.arcgis.com/3.26/"></script>
<style>
html, body {
height: 100%;
width: 100%;
margin: 0;
padding: 0;
overflow: hidden;
}
label {
font-family: arial;
color: white;
font-size: 14px;
display: block;
padding-bottom: 5px;
}
select {
display: block;
}
#info {
min-height: 100px;
min-width: 200px;
right: 5px;
top: 5px;
margin: 5px;
padding: 10px;
position: absolute;
width: 10%;
z-index: 40;
border: solid 2px #666;
border-radius: 4px;
background-color: #666;
}
#map {
padding: 0px;
}
</style>
<script>
require([
"esri/map",
"esri/toolbars/draw",
"esri/symbols/SimpleLineSymbol",
"esri/symbols/CartographicLineSymbol",
"esri/graphic",
"esri/units",
"esri/dijit/ElevationProfile",
"esri/Color",
"dojo/dom",
"dojo/on",
"dojo/domReady!"
], function(
Map,
Draw,
SimpleLineSymbol,
CartographicLineSymbol,
Graphic,
Units,
ElevationsProfileWidget,
Color,
dom,
on
) {
var tb, epWidget, lineSymbol;
var map = new Map("map", {
basemap: "topo",
center: [-122.45, 37.75],
zoom: 10
});
map.on("load", init);
function init() {
var eleList = ["Polyline", "FreehandPolyline"];
for (var ele in eleList) {
on(dom.byId(eleList[ele]), "click", function (evt) {
initToolbar(evt.target.id.toLowerCase());
});
}
on(dom.byId("unitsSelect"), "change", function (evt) {
if (epWidget) {
epWidget.set("measureUnits", evt.target.options[evt.target.selectedIndex].value);
}
})
// lineSymbol used for freehand polyline and line.
lineSymbol = new CartographicLineSymbol(
CartographicLineSymbol.STYLE_SOLID,
new Color([255, 0, 0]), 2,
CartographicLineSymbol.CAP_ROUND,
CartographicLineSymbol.JOIN_MITER, 2
);
var chartOptions = {
titleFontColor: "#ffffff",
axisFontColor: "#ffffff",
sourceTextColor: "white",
busyIndicatorBackgroundColor: "#666"
};
var profileParams = {
map: map,
chartOptions: chartOptions,
profileTaskUrl: "https://elevation.arcgis.com/arcgis/rest/services/Tools/ElevationSync/GPServer",
scalebarUnits: Units.MILES
};
epWidget = new ElevationsProfileWidget(profileParams, dom.byId("profileChartNode"));
epWidget.startup();
}
function initToolbar(toolName) {
epWidget.clearProfile(); //Clear profile
map.graphics.clear();
tb = new Draw(map);
tb.on("draw-end", addGraphic);
tb.activate(toolName);
map.disableMapNavigation();
}
function addGraphic(evt) {
//deactivate the toolbar and clear existing graphics
tb.deactivate();
map.enableMapNavigation();
var symbol = lineSymbol;
map.graphics.add(new Graphic(evt.geometry, symbol));
epWidget.set("profileGeometry", evt.geometry);
var sel = dom.byId("unitsSelect");
if (sel) {
var val = sel.options[sel.selectedIndex].value;
epWidget.set("measureUnits", val);
}
}
})
</script>
</head>
<body class="claro">
<div id="info">
<label>Digitize a route:</label>
<button id="Polyline" type="button">Polyline</button>
<button id="FreehandPolyline" type="button">Freehand Polyline</button>
<label>Select unit measure:</label>
<select id="unitsSelect">
<option value="esriMiles">Miles</option>
<option value="esriKilometers">Kilometers</option>
<option value="esriMeters">Meters</option>
<option value="esriNauticalMiles">Nautical Miles</option>
<option value="esriYards">Yards</option>
<option value="esriFeet">Feet</option>
</select>
</div>
<div id="mainContainer" data-dojo-type="dijit/layout/BorderContainer" data-dojo-props="design:'headline', gutters:true" style="width:100%;height:100%">
<div id="map" data-dojo-type="dijit/layout/ContentPane" data-dojo-props="region:'center'" style="height:100%"></div>
<div data-dojo-type="dijit/layout/ContentPane" data-dojo-props="region:'bottom'" style="background-color: #666;">
<div id="profileChartNode"></div>
</div>
</div>
</body>
</html>