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11-26-2017
11:27 PM
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how can customize query buffer? I,m going to add a button for call query buffer function (like measurement tools), and a text area (textbox) for insert radius of buffer by client in web page.
Solved! Go to Solution.
1 Solution
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11-27-2017
10:46 AM
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Anjelina,
Here is a sample that uses dojo/Dialog:
<!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>Display Multiple ArcGIS Online Services</title>
<link rel="stylesheet" href="https://js.arcgis.com/3.22/dijit/themes/claro/claro.css">
<link rel="stylesheet" href="https://js.arcgis.com/3.22/esri/css/esri.css">
<style>
html,
body {
height: 100%;
width: 100%;
margin: 0;
}
#map {
border: solid 1px #B5BCC7;
padding: 0;
}
#paneHeader,
#header {
background: url(images/header.png) repeat-x;
color: white;
border-bottom: solid 1px #B5BCC7;
text-align: center;
height: 30px;
margin: 0;
overflow: hidden;
font-size: 16px;
padding: 8px 5px;
}
#header {
text-align: right;
}
#rightPane {
width: 150px;
margin: 0;
padding: 0;
}
#bufferDialogBtn {
float: right;
}
.nonModal_underlay {
display: none;
}
</style>
<script src="https://js.arcgis.com/3.22/"></script>
<script>
var map, bufferDialog, circle, circleSymb, tb, featureLayer;
require([
"dojo/dom", "esri/Color", "dojo/keys", "dojo/parser", "esri/config",
"esri/sniff", "esri/map", "esri/SnappingManager", "esri/dijit/Measurement",
"esri/layers/FeatureLayer", "esri/renderers/SimpleRenderer", "esri/tasks/GeometryService",
"esri/symbols/SimpleLineSymbol", "esri/symbols/SimpleFillSymbol",
"esri/dijit/Scalebar",
"esri/dijit/BasemapGallery",
"esri/dijit/BasemapLayer",
"esri/dijit/Basemap",
"esri/dijit/OverviewMap",
"esri/tasks/locator",
"esri/dijit/Search",
"esri/symbols/PictureMarkerSymbol",
"esri/InfoTemplate",
"esri/dijit/HomeButton",
"esri/geometry/Extent",
"esri/SpatialReference",
"esri/dijit/VisibleScaleRangeSlider",
"esri/geometry/scaleUtils",
"esri/virtualearth/VETiledLayer",
"dijit/form/Button",
"esri/tasks/query",
"esri/geometry/Circle",
"esri/graphic",
"esri/symbols/SimpleMarkerSymbol",
"dojo/on",
"esri/toolbars/draw",
"esri/units",
"dijit/layout/BorderContainer",
"dijit/layout/ContentPane",
"dijit/TitlePane",
"dijit/Dialog",
"dojo/domReady!"
], function(
dom, Color, keys, parser, esriConfig,
has, Map, SnappingManager, Measurement,
FeatureLayer, SimpleRenderer, GeometryService,
SimpleLineSymbol, SimpleFillSymbol,
Scalebar, BasemapGallery, BasemapLayer, Basemap, OverviewMap, Locator, Search, PictureMarkerSymbol, InfoTemplate, HomeButton, Extent, SpatialReference, VisibleScaleRangeSlider, scaleUtils, VETiledLayer, Button, Query, Circle, Graphic,
SimpleMarkerSymbol, on, Draw, units
) {
parser.parse();
map = new Map("map");
var basemaps = [];
var waterTemplateLayer = new BasemapLayer({
url: "https://sampleserver1.arcgisonline.com/ArcGIS/rest/services/WaterTemplate/LocalGovernmentInfrastruct..."
});
var waterBasemap = new Basemap({
layers: [waterTemplateLayer],
title: "Water Template",
thumbnailUrl: "images/waterThumb.png"
});
basemaps.push(waterBasemap);
var publicSafetyLayer = new BasemapLayer({
url: "https://sampleserver1.arcgisonline.com/ArcGIS/rest/services/PublicSafety/PublicSafetyBasemap/MapServ..."
});
var publicSafetyBasemap = new Basemap({
layers: [publicSafetyLayer],
title: "Public Safety",
thumbnailUrl: "images/safetyThumb.png"
});
basemaps.push(publicSafetyBasemap);
var basemapGallery = new BasemapGallery({
showArcGISBasemaps: false,
basemaps: basemaps,
map: map
}, "basemapGallery");
basemapGallery.startup();
basemapGallery.on("error", function(error) {
console.log(error);
});
map.on("load", function(evt) {
initToolbar(evt);
// Add the census block points in on demand mode. An outfield is specified since it is used when calculating the total population falling within the one mile radius.
featureLayer = new FeatureLayer("https://sampleserver6.arcgisonline.com/arcgis/rest/services/Census/MapServer/0", {
outFields: ["POP2000"]
});
// Selection symbol used to draw the selected census block points within the buffer polygon
var symbol = new SimpleMarkerSymbol(
SimpleMarkerSymbol.STYLE_CIRCLE,
12,
new SimpleLineSymbol(
SimpleLineSymbol.STYLE_NULL,
new Color([247, 34, 101, 0.9]),
1
),
new Color([207, 34, 171, 0.5])
);
featureLayer.setSelectionSymbol(symbol);
// Make unselected features invisible
var nullSymbol = new SimpleMarkerSymbol().setSize(0);
featureLayer.setRenderer(new SimpleRenderer(nullSymbol));
map.addLayer(featureLayer);
circleSymb = new SimpleFillSymbol(
SimpleFillSymbol.STYLE_NULL,
new SimpleLineSymbol(
SimpleLineSymbol.STYLE_SHORTDASHDOTDOT,
new Color([105, 105, 105]),
2
), new Color([255, 255, 0, 0.25])
);
on(dom.byId("clearGraphics"), "click", function() {
if (map) {
map.graphics.clear();
featureLayer.clearSelection();
dom.byId("messages").innerHTML = "";
}
});
});
esriConfig.defaults.io.proxyUrl = "/proxy/";
on(dom.byId("bufferDialogBtn"), "click", function(){
bufferDialog.show()
});
function initToolbar(evt) {
tb = new Draw(evt.map);
tb.on("draw-end", doBuffer);
on(dom.byId("drawBtn"), "click", function(){
tb.activate("point");
});
}
function doBuffer(evt) {
tb.deactivate();
circle = new Circle({
center: evt.geometry,
geodesic: true,
radius: dom.byId("distance").value,
radiusUnit: units[dom.byId("unit").value]
});
map.graphics.clear();
var graphic = new Graphic(circle, circleSymb);
map.graphics.add(graphic);
var query = new Query();
query.geometry = circle.getExtent();
// Use a fast bounding box query. It will only go to the server if bounding box is outside of the visible map.
featureLayer.queryFeatures(query, selectInBuffer);
}
function selectInBuffer(response) {
var feature;
var features = response.features;
var inBuffer = [];
// Filter out features that are not actually in buffer, since we got all points in the buffer's bounding box
for (var i = 0; i < features.length; i++) {
feature = features[i];
if (circle.contains(feature.geometry)) {
inBuffer.push(feature.attributes[featureLayer.objectIdField]);
}
}
var query = new Query();
query.objectIds = inBuffer;
// Use an objectIds selection query (should not need to go to the server)
featureLayer.selectFeatures(query, FeatureLayer.SELECTION_NEW, function(results) {
var totalPopulation = sumPopulation(results);
var r = "";
r = "<b>The total Census Block population within the buffer is <i>" + totalPopulation + "</i>.</b>";
dom.byId("messages").innerHTML = r;
});
}
function sumPopulation(features) {
var popTotal = 0;
for (var x = 0; x < features.length; x++) {
popTotal = popTotal + features[x].attributes["POP2000"];
}
return popTotal;
}
});
</script>
</head>
<body class="claro">
<div data-dojo-type="dijit/layout/BorderContainer" data-dojo-props="design:'headline', gutters:true" style="width:100%;height:100%;">
<div id="header" data-dojo-type="dijit/layout/ContentPane" data-dojo-props="region:'top'" style="float:right;">
<button id="bufferDialogBtn" type="button" data-dojo-type="dijit/form/Button">Buffer</button>
</div>
<div id="map" data-dojo-type="dijit/layout/ContentPane" data-dojo-props="region:'center'">
</div>
<div data-dojo-type="dijit/layout/ContentPane" data-dojo-props="region:'right'" id="rightPane">
<div data-dojo-type="dijit/layout/BorderContainer" data-dojo-props="design:'headline', gutters:false" style="width:100%;height:100%;">
<div id="paneHeader" data-dojo-type="dijit/layout/ContentPane" data-dojo-props="region:'top'">
<span>Select Basemap</span>
</div>
<div data-dojo-type="dijit/layout/ContentPane" data-dojo-props="region:'center'">
<div id="basemapGallery"></div>
</div>
</div>
</div>
</div>
<div data-dojo-type="dijit/Dialog" data-dojo-id="bufferDialog" title="Buffer" class="nonModal">
<div><b>Buffer Parameters</b></div>
Distance:
<input type="text" id="distance" size="5" value="1" />
<select id="unit" style="width:100px;">
<option value="MILES">Miles</option>
<option value="FEET">Feet</option>
<option value="KILOMETERS">Kilometers</option>
<option value="METERS">Meters</option>
<option value="NAUTICAL_MILES">Nautical Miles</option>
<option value="YARDS">Yards</option>
</select>
<br /><br />
<span id="messages"></span>
<br /><br />
<button type="button" id="drawBtn" data-dojo-type="dijit/form/Button">Click On The Map</button>
<button type="button" id="clearGraphics" data-dojo-type="dijit/form/Button">Clear Graphics</button>
</div>
</body>
</html>
5 Replies
11-27-2017
06:05 AM
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Anjelina,
So what do you have so far in your code? Are you going to use a dojo titlepane dijit for the dialog portion?
11-27-2017
07:21 AM
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I wrote a sample by html and js, I don't know more and don't know what should I do.
11-27-2017
10:46 AM
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Anjelina,
Here is a sample that uses dojo/Dialog:
<!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>Display Multiple ArcGIS Online Services</title>
<link rel="stylesheet" href="https://js.arcgis.com/3.22/dijit/themes/claro/claro.css">
<link rel="stylesheet" href="https://js.arcgis.com/3.22/esri/css/esri.css">
<style>
html,
body {
height: 100%;
width: 100%;
margin: 0;
}
#map {
border: solid 1px #B5BCC7;
padding: 0;
}
#paneHeader,
#header {
background: url(images/header.png) repeat-x;
color: white;
border-bottom: solid 1px #B5BCC7;
text-align: center;
height: 30px;
margin: 0;
overflow: hidden;
font-size: 16px;
padding: 8px 5px;
}
#header {
text-align: right;
}
#rightPane {
width: 150px;
margin: 0;
padding: 0;
}
#bufferDialogBtn {
float: right;
}
.nonModal_underlay {
display: none;
}
</style>
<script src="https://js.arcgis.com/3.22/"></script>
<script>
var map, bufferDialog, circle, circleSymb, tb, featureLayer;
require([
"dojo/dom", "esri/Color", "dojo/keys", "dojo/parser", "esri/config",
"esri/sniff", "esri/map", "esri/SnappingManager", "esri/dijit/Measurement",
"esri/layers/FeatureLayer", "esri/renderers/SimpleRenderer", "esri/tasks/GeometryService",
"esri/symbols/SimpleLineSymbol", "esri/symbols/SimpleFillSymbol",
"esri/dijit/Scalebar",
"esri/dijit/BasemapGallery",
"esri/dijit/BasemapLayer",
"esri/dijit/Basemap",
"esri/dijit/OverviewMap",
"esri/tasks/locator",
"esri/dijit/Search",
"esri/symbols/PictureMarkerSymbol",
"esri/InfoTemplate",
"esri/dijit/HomeButton",
"esri/geometry/Extent",
"esri/SpatialReference",
"esri/dijit/VisibleScaleRangeSlider",
"esri/geometry/scaleUtils",
"esri/virtualearth/VETiledLayer",
"dijit/form/Button",
"esri/tasks/query",
"esri/geometry/Circle",
"esri/graphic",
"esri/symbols/SimpleMarkerSymbol",
"dojo/on",
"esri/toolbars/draw",
"esri/units",
"dijit/layout/BorderContainer",
"dijit/layout/ContentPane",
"dijit/TitlePane",
"dijit/Dialog",
"dojo/domReady!"
], function(
dom, Color, keys, parser, esriConfig,
has, Map, SnappingManager, Measurement,
FeatureLayer, SimpleRenderer, GeometryService,
SimpleLineSymbol, SimpleFillSymbol,
Scalebar, BasemapGallery, BasemapLayer, Basemap, OverviewMap, Locator, Search, PictureMarkerSymbol, InfoTemplate, HomeButton, Extent, SpatialReference, VisibleScaleRangeSlider, scaleUtils, VETiledLayer, Button, Query, Circle, Graphic,
SimpleMarkerSymbol, on, Draw, units
) {
parser.parse();
map = new Map("map");
var basemaps = [];
var waterTemplateLayer = new BasemapLayer({
url: "https://sampleserver1.arcgisonline.com/ArcGIS/rest/services/WaterTemplate/LocalGovernmentInfrastruct..."
});
var waterBasemap = new Basemap({
layers: [waterTemplateLayer],
title: "Water Template",
thumbnailUrl: "images/waterThumb.png"
});
basemaps.push(waterBasemap);
var publicSafetyLayer = new BasemapLayer({
url: "https://sampleserver1.arcgisonline.com/ArcGIS/rest/services/PublicSafety/PublicSafetyBasemap/MapServ..."
});
var publicSafetyBasemap = new Basemap({
layers: [publicSafetyLayer],
title: "Public Safety",
thumbnailUrl: "images/safetyThumb.png"
});
basemaps.push(publicSafetyBasemap);
var basemapGallery = new BasemapGallery({
showArcGISBasemaps: false,
basemaps: basemaps,
map: map
}, "basemapGallery");
basemapGallery.startup();
basemapGallery.on("error", function(error) {
console.log(error);
});
map.on("load", function(evt) {
initToolbar(evt);
// Add the census block points in on demand mode. An outfield is specified since it is used when calculating the total population falling within the one mile radius.
featureLayer = new FeatureLayer("https://sampleserver6.arcgisonline.com/arcgis/rest/services/Census/MapServer/0", {
outFields: ["POP2000"]
});
// Selection symbol used to draw the selected census block points within the buffer polygon
var symbol = new SimpleMarkerSymbol(
SimpleMarkerSymbol.STYLE_CIRCLE,
12,
new SimpleLineSymbol(
SimpleLineSymbol.STYLE_NULL,
new Color([247, 34, 101, 0.9]),
1
),
new Color([207, 34, 171, 0.5])
);
featureLayer.setSelectionSymbol(symbol);
// Make unselected features invisible
var nullSymbol = new SimpleMarkerSymbol().setSize(0);
featureLayer.setRenderer(new SimpleRenderer(nullSymbol));
map.addLayer(featureLayer);
circleSymb = new SimpleFillSymbol(
SimpleFillSymbol.STYLE_NULL,
new SimpleLineSymbol(
SimpleLineSymbol.STYLE_SHORTDASHDOTDOT,
new Color([105, 105, 105]),
2
), new Color([255, 255, 0, 0.25])
);
on(dom.byId("clearGraphics"), "click", function() {
if (map) {
map.graphics.clear();
featureLayer.clearSelection();
dom.byId("messages").innerHTML = "";
}
});
});
esriConfig.defaults.io.proxyUrl = "/proxy/";
on(dom.byId("bufferDialogBtn"), "click", function(){
bufferDialog.show()
});
function initToolbar(evt) {
tb = new Draw(evt.map);
tb.on("draw-end", doBuffer);
on(dom.byId("drawBtn"), "click", function(){
tb.activate("point");
});
}
function doBuffer(evt) {
tb.deactivate();
circle = new Circle({
center: evt.geometry,
geodesic: true,
radius: dom.byId("distance").value,
radiusUnit: units[dom.byId("unit").value]
});
map.graphics.clear();
var graphic = new Graphic(circle, circleSymb);
map.graphics.add(graphic);
var query = new Query();
query.geometry = circle.getExtent();
// Use a fast bounding box query. It will only go to the server if bounding box is outside of the visible map.
featureLayer.queryFeatures(query, selectInBuffer);
}
function selectInBuffer(response) {
var feature;
var features = response.features;
var inBuffer = [];
// Filter out features that are not actually in buffer, since we got all points in the buffer's bounding box
for (var i = 0; i < features.length; i++) {
feature = features[i];
if (circle.contains(feature.geometry)) {
inBuffer.push(feature.attributes[featureLayer.objectIdField]);
}
}
var query = new Query();
query.objectIds = inBuffer;
// Use an objectIds selection query (should not need to go to the server)
featureLayer.selectFeatures(query, FeatureLayer.SELECTION_NEW, function(results) {
var totalPopulation = sumPopulation(results);
var r = "";
r = "<b>The total Census Block population within the buffer is <i>" + totalPopulation + "</i>.</b>";
dom.byId("messages").innerHTML = r;
});
}
function sumPopulation(features) {
var popTotal = 0;
for (var x = 0; x < features.length; x++) {
popTotal = popTotal + features[x].attributes["POP2000"];
}
return popTotal;
}
});
</script>
</head>
<body class="claro">
<div data-dojo-type="dijit/layout/BorderContainer" data-dojo-props="design:'headline', gutters:true" style="width:100%;height:100%;">
<div id="header" data-dojo-type="dijit/layout/ContentPane" data-dojo-props="region:'top'" style="float:right;">
<button id="bufferDialogBtn" type="button" data-dojo-type="dijit/form/Button">Buffer</button>
</div>
<div id="map" data-dojo-type="dijit/layout/ContentPane" data-dojo-props="region:'center'">
</div>
<div data-dojo-type="dijit/layout/ContentPane" data-dojo-props="region:'right'" id="rightPane">
<div data-dojo-type="dijit/layout/BorderContainer" data-dojo-props="design:'headline', gutters:false" style="width:100%;height:100%;">
<div id="paneHeader" data-dojo-type="dijit/layout/ContentPane" data-dojo-props="region:'top'">
<span>Select Basemap</span>
</div>
<div data-dojo-type="dijit/layout/ContentPane" data-dojo-props="region:'center'">
<div id="basemapGallery"></div>
</div>
</div>
</div>
</div>
<div data-dojo-type="dijit/Dialog" data-dojo-id="bufferDialog" title="Buffer" class="nonModal">
<div><b>Buffer Parameters</b></div>
Distance:
<input type="text" id="distance" size="5" value="1" />
<select id="unit" style="width:100px;">
<option value="MILES">Miles</option>
<option value="FEET">Feet</option>
<option value="KILOMETERS">Kilometers</option>
<option value="METERS">Meters</option>
<option value="NAUTICAL_MILES">Nautical Miles</option>
<option value="YARDS">Yards</option>
</select>
<br /><br />
<span id="messages"></span>
<br /><br />
<button type="button" id="drawBtn" data-dojo-type="dijit/form/Button">Click On The Map</button>
<button type="button" id="clearGraphics" data-dojo-type="dijit/form/Button">Clear Graphics</button>
</div>
</body>
</html>
11-27-2017
11:52 PM
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Hi
I think there is a bug in code.
When buffer tools is open in page, user can not change units in measurement tools also can not insert text in search textbox!!
11-28-2017
06:35 AM
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Anjelina,
OK, that was an issue with the use of dojo dijit dialog with is more of a modal approach. Here is a better route:
<!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>Display Multiple ArcGIS Online Services</title>
<link rel="stylesheet" href="https://js.arcgis.com/3.22/dijit/themes/claro/claro.css">
<link rel="stylesheet" href="https://js.arcgis.com/3.22/esri/css/esri.css">
<link rel="stylesheet" href="https://js.arcgis.com/3.22/dojox/layout/resources/FloatingPane.css">
<link rel="stylesheet" href="https://js.arcgis.com/3.22/dojox/layout/resources/ResizeHandle.css">
<style>
html,
body {
height: 100%;
width: 100%;
margin: 0;
}
#map {
border: solid 1px #B5BCC7;
padding: 0;
}
#paneHeader,
#header {
background: url(images/header.png) repeat-x;
color: white;
border-bottom: solid 1px #B5BCC7;
text-align: center;
height: 30px;
margin: 0;
overflow: hidden;
font-size: 16px;
padding: 8px 5px;
}
#header {
text-align: right;
}
#rightPane {
width: 150px;
margin: 0;
padding: 0;
}
#bufferDialogBtn,
#measureDialogBtn {
float: right;
}
#divFloatingPane {
z-index: 90;
top: 50px;
width: 238px;
height: 220px;
border: 1px solid black;
background-color: white;
visibility: hidden;
}
.dojoxFloatingPaneContent {
font-family: Arial, Helvetica, sans-serif;
font-size: 8pt;
/*font-weight: bold;*/
overflow: auto;
}
.dojoxFloatingPaneTitle{
color: white;
background-color: #76a2c5;
font-family: Arial, Helvetica, sans-serif;
font-size: 12pt;
font-weight: bold;
overflow: auto;
}
.claro .dojoxFloatingMinimizeIcon {
background-image: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAwAAAAMCAYAAABWdVznAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAADWSURBVChTlVIhDoNAENyWalRtFQY0qh8AHKIkoO8DlRXoin4Cj0AgOd9UIflA+xA6Q7jkQhFlkuGWYYZd7tiN4yhEXdcnLBcwBkNqQA92YJPn+YfCFID5jPoGphRX0IIPhF5OEAR8870oitR1XfE8b3IYaK2lLEs/y7LjMAxPB4WCfqW5qiqxQzRTU0pR8yG9D7hwZomiiMtkMDBm8wyIGTAf+BNamIlwPxd/gx24dQlv7JkJ08nq0jPAfU5ssz3GItRxpAZs18ysqc0hnkWz+eA2/hoiXyTHZtKhdrvuAAAAAElFTkSuQmCC);
padding-right: 10px;
}
.dojoxDock {
visibility: hidden;
}
#divMeasurePane {
position: absolute;
top: 100px;
right: 100px;
width: 300px;
height: 320px;
visibility: hidden;
}
#divBufferPane {
position: absolute;
top: 100px;
left: 100px;
width: 300px;
height: 320px;
visibility: hidden;
}
</style>
<script src="https://js.arcgis.com/3.22/"></script>
<script>
var map, bufferDialog, circle, circleSymb, tb, featureLayer;
require([
"dojo/dom", "esri/Color", "dojo/keys", "dojo/parser", "esri/config",
"esri/sniff", "esri/map", "esri/SnappingManager", "esri/dijit/Measurement",
"esri/layers/FeatureLayer", "esri/renderers/SimpleRenderer", "esri/tasks/GeometryService",
"esri/symbols/SimpleLineSymbol", "esri/symbols/SimpleFillSymbol",
"esri/dijit/Scalebar",
"esri/dijit/BasemapGallery",
"esri/dijit/BasemapLayer",
"esri/dijit/Basemap",
"esri/dijit/OverviewMap",
"esri/tasks/locator",
"esri/dijit/Search",
"esri/symbols/PictureMarkerSymbol",
"esri/InfoTemplate",
"esri/dijit/HomeButton",
"esri/geometry/Extent",
"esri/SpatialReference",
"esri/dijit/VisibleScaleRangeSlider",
"esri/geometry/scaleUtils",
"esri/virtualearth/VETiledLayer",
"dijit/form/Button",
"esri/tasks/query",
"esri/geometry/Circle",
"esri/graphic",
"esri/symbols/SimpleMarkerSymbol",
"dojo/on",
"esri/toolbars/draw",
"esri/units",
"esri/dijit/Measurement",
"dijit/registry",
"dijit/layout/BorderContainer",
"dijit/layout/ContentPane",
"dijit/TitlePane",
"dojox/layout/FloatingPane",
"dojo/domReady!"
], function(
dom, Color, keys, parser, esriConfig,
has, Map, SnappingManager, Measurement,
FeatureLayer, SimpleRenderer, GeometryService,
SimpleLineSymbol, SimpleFillSymbol,
Scalebar, BasemapGallery, BasemapLayer, Basemap, OverviewMap, Locator, Search, PictureMarkerSymbol, InfoTemplate, HomeButton, Extent, SpatialReference, VisibleScaleRangeSlider, scaleUtils, VETiledLayer, Button, Query, Circle, Graphic,
SimpleMarkerSymbol, on, Draw, units, Measurement, registry
) {
parser.parse();
map = new Map("map");
var basemaps = [];
var waterTemplateLayer = new BasemapLayer({
url: "https://sampleserver1.arcgisonline.com/ArcGIS/rest/services/WaterTemplate/LocalGovernmentInfrastruct..."
});
var waterBasemap = new Basemap({
layers: [waterTemplateLayer],
title: "Water Template",
thumbnailUrl: "images/waterThumb.png"
});
basemaps.push(waterBasemap);
var publicSafetyLayer = new BasemapLayer({
url: "https://sampleserver1.arcgisonline.com/ArcGIS/rest/services/PublicSafety/PublicSafetyBasemap/MapServ..."
});
var publicSafetyBasemap = new Basemap({
layers: [publicSafetyLayer],
title: "Public Safety",
thumbnailUrl: "images/safetyThumb.png"
});
basemaps.push(publicSafetyBasemap);
var basemapGallery = new BasemapGallery({
showArcGISBasemaps: false,
basemaps: basemaps,
map: map
}, "basemapGallery");
basemapGallery.startup();
basemapGallery.on("error", function(error) {
console.log(error);
});
var measurement = new Measurement({
map: map
}, dom.byId("measurementDiv"));
measurement.startup();
map.on("load", function(evt) {
initToolbar(evt);
// Add the census block points in on demand mode. An outfield is specified since it is used when calculating the total population falling within the one mile radius.
featureLayer = new FeatureLayer("https://sampleserver6.arcgisonline.com/arcgis/rest/services/Census/MapServer/0", {
outFields: ["POP2000"]
});
// Selection symbol used to draw the selected census block points within the buffer polygon
var symbol = new SimpleMarkerSymbol(
SimpleMarkerSymbol.STYLE_CIRCLE,
12,
new SimpleLineSymbol(
SimpleLineSymbol.STYLE_NULL,
new Color([247, 34, 101, 0.9]),
1
),
new Color([207, 34, 171, 0.5])
);
featureLayer.setSelectionSymbol(symbol);
// Make unselected features invisible
var nullSymbol = new SimpleMarkerSymbol().setSize(0);
featureLayer.setRenderer(new SimpleRenderer(nullSymbol));
map.addLayer(featureLayer);
circleSymb = new SimpleFillSymbol(
SimpleFillSymbol.STYLE_NULL,
new SimpleLineSymbol(
SimpleLineSymbol.STYLE_SHORTDASHDOTDOT,
new Color([105, 105, 105]),
2
), new Color([255, 255, 0, 0.25])
);
on(dom.byId("clearGraphics"), "click", function() {
if (map) {
map.graphics.clear();
featureLayer.clearSelection();
dom.byId("messages").innerHTML = "";
}
});
});
esriConfig.defaults.io.proxyUrl = "/proxy/";
on(dom.byId("bufferDialogBtn"), "click", function() {
registry.byId("divBufferPane").show();
});
on(dom.byId("measureDialogBtn"), "click", function() {
registry.byId("divMeasurePane").show();
});
function initToolbar(evt) {
tb = new Draw(evt.map);
tb.on("draw-end", doBuffer);
on(dom.byId("drawBtn"), "click", function() {
tb.activate("point");
});
}
function doBuffer(evt) {
tb.deactivate();
circle = new Circle({
center: evt.geometry,
geodesic: true,
radius: dom.byId("distance").value,
radiusUnit: units[dom.byId("unit").value]
});
map.graphics.clear();
var graphic = new Graphic(circle, circleSymb);
map.graphics.add(graphic);
var query = new Query();
query.geometry = circle.getExtent();
// Use a fast bounding box query. It will only go to the server if bounding box is outside of the visible map.
featureLayer.queryFeatures(query, selectInBuffer);
}
function selectInBuffer(response) {
var feature;
var features = response.features;
var inBuffer = [];
// Filter out features that are not actually in buffer, since we got all points in the buffer's bounding box
for (var i = 0; i < features.length; i++) {
feature = features[i];
if (circle.contains(feature.geometry)) {
inBuffer.push(feature.attributes[featureLayer.objectIdField]);
}
}
var query = new Query();
query.objectIds = inBuffer;
// Use an objectIds selection query (should not need to go to the server)
featureLayer.selectFeatures(query, FeatureLayer.SELECTION_NEW, function(results) {
var totalPopulation = sumPopulation(results);
var r = "";
r = "<b>The total Census Block population within the buffer is <i>" + totalPopulation + "</i>.</b>";
dom.byId("messages").innerHTML = r;
});
}
function sumPopulation(features) {
var popTotal = 0;
for (var x = 0; x < features.length; x++) {
popTotal = popTotal + features[x].attributes["POP2000"];
}
return popTotal;
}
});
</script>
</head>
<body class="claro">
<div data-dojo-type="dijit/layout/BorderContainer" data-dojo-props="design:'headline', gutters:true" style="width:100%;height:100%;">
<div id="header" data-dojo-type="dijit/layout/ContentPane" data-dojo-props="region:'top'" style="float:right;">
<button id="bufferDialogBtn" type="button" data-dojo-type="dijit/form/Button">Buffer</button>
<button id="measureDialogBtn" type="button" data-dojo-type="dijit/form/Button">Measure</button>
</div>
<div id="map" data-dojo-type="dijit/layout/ContentPane" data-dojo-props="region:'center'">
</div>
<div data-dojo-type="dijit/layout/ContentPane" data-dojo-props="region:'right'" id="rightPane">
<div data-dojo-type="dijit/layout/BorderContainer" data-dojo-props="design:'headline', gutters:false" style="width:100%;height:100%;">
<div id="paneHeader" data-dojo-type="dijit/layout/ContentPane" data-dojo-props="region:'top'">
<span>Select Basemap</span>
</div>
<div data-dojo-type="dijit/layout/ContentPane" data-dojo-props="region:'center'">
<div id="basemapGallery"></div>
</div>
</div>
</div>
</div>
<div id="divMeasurePane" data-dojo-type="dojox/layout/FloatingPane" data-dojo-props="resizable:true, dockable:true, closable:false, title:'Measuring Tools'">
<div id="measurementDiv"></div>
</div>
<div id="divBufferPane" data-dojo-type="dojox/layout/FloatingPane" data-dojo-props="resizable:true, dockable:true, closable:false, title:'Buffer Tool'">
<div><b>Buffer Parameters</b></div>
Distance:
<input type="text" id="distance" size="5" value="1" />
<select id="unit" style="width:100px;">
<option value="MILES">Miles</option>
<option value="FEET">Feet</option>
<option value="KILOMETERS">Kilometers</option>
<option value="METERS">Meters</option>
<option value="NAUTICAL_MILES">Nautical Miles</option>
<option value="YARDS">Yards</option>
</select>
<br /><br />
<span id="messages"></span>
<br /><br />
<button type="button" id="drawBtn" data-dojo-type="dijit/form/Button">Click On The Map</button>
<button type="button" id="clearGraphics" data-dojo-type="dijit/form/Button">Clear Graphics</button>
</div>
</body>
</html>
