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Add new fields to the FeatureLayer dynamically - arcgis JS API Version 4.7
The 2019 Stack Overflow Developer Survey Results Are InFeatureLayer creating in javascript ArcGIS APIHow to Zoom to a FeatureLayer Using ArcGIS Javascript APIArcGIS javascript api - layer reordering - how to add new layers?How to upload a csv file into esri map with coordinates and plot in an esri mapCannot read property 'on' of undefinedMapbox Error: Style is not done loadingError loading geoJSON into map using OpenLayers v4.2.0XY Points incorrect on map (ArcGIS Javascript API 4.7)Workaround for no point clustering in ArcGIS Javascript API 4.7How to add labels using featurelayer and sceneview in ArcGIS API for JavaScript 4.3
.everyoneloves__top-leaderboard:empty,.everyoneloves__mid-leaderboard:empty,.everyoneloves__bot-mid-leaderboard:empty margin-bottom:0;
I've uploaded GeoJSON to Esri cloud and created a feature layer. Now I'm able to plot the featurelayer into my map. I'm trying to color each feature based on measures which comes from my DB. Here is link to jsfiddle
Let's say we are going to add a measure, i.e., Profit of the state Texas is 100. So I'd like to add 'Profit':100 as a field to the Feature.
Here is the code,
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="initial-scale=1,maximum-scale=1,user-scalable=no">
<title>Data-driven continuous color - 4.7</title>
<link rel="stylesheet" href="https://js.arcgis.com/4.7/esri/css/main.css">
<script>
var dojoConfig =
has:
"esri-featurelayer-webgl": 1
</script>
<script src="https://js.arcgis.com/4.7/"></script>
<style>
html,
body,
#viewDiv
padding: 0;
margin: 0;
height: 100%;
width: 100%;
</style>
<script>
require([
"esri/Map",
"esri/views/MapView",
"esri/layers/FeatureLayer",
"esri/widgets/Legend",
"esri/Graphic",
"esri/tasks/support/Query",
"esri/tasks/QueryTask",
"dojo/domReady!"
], function(
Map, MapView, FeatureLayer, Legend, Graphic, Query, QueryTask,
)
var defaultSym =
type: "simple-fill", // autocasts as new SimpleFillSymbol()
outline: // autocasts as new SimpleLineSymbol()
color: "lightgray",
width: 0.5
;
var map = new Map(
basemap: "streets"
);
var view = new MapView(
container: "viewDiv",
map: map,
center: [-85.050200, 33.125524],
zoom: 6
);
var openSpacesRenderer =
"type": "class-breaks",
"field": "CENSUSAREA",
"classBreakInfos": [
"symbol":
"color": [
45,128,120,255
],
"outline":
"width": 0
,
"type": "simple-fill",
"style": "solid"
,
"label": "0 to 1,629",
"minValue": 0,
"maxValue": 100000
,
"symbol":
"color": [
173,212,106,255
],
"outline":
"width": 0
,
"type": "simple-fill",
"style": "solid"
,
"label": "> 1,629 to 3,754",
"minValue": 100001,
"maxValue": 200000
,
"symbol":
"color": [
226,235,211,255
],
"outline":
"width": 0
,
"type": "simple-fill",
"style": "solid"
,
"label": "> 3,754 to 11,438",
"minValue": 200001,
"maxValue": 1000000
]
var featureLayer = new FeatureLayer(
url: "https://services9.arcgis.com/JPp8avz1ETW9XJJr/arcgis/rest/services/USA_Outline/FeatureServer/0",
outFields: ["*"],
renderer: openSpacesRenderer
);
map.add(featureLayer);
let graphics;
view.when(featureLayer).then(function(layerView)
//debugger;
layerView.watch("updating", function(value)
if (!value) // wait for the layer view to finish updating
// query all the features available for drawing.
layerView.queryFeatures(
geometry: view.extent,
outFields: ["*"],
returnGeometry: true
).then(function(results)
for(var r in results)
results[r].attributes['profit']= Math.random()*100
console.log(results[r].attributes);
).catch(function(e)
console.error("query failed: ", e);
);
);
);
);
</script>
</head>
<body>
<div id="viewDiv"></div>
</body>
</html>
Now in the for loop I'm trying to add a attribute profit with what we have. Then if I change field variable of openSpacesRenderer as profit, it is not working. How can I add a new field to the existing feature layer?
javascript arcgis-javascript-api arcgis-javascript-api-4
asked Jul 10 '18 at 11:28
Vignesh GopalakrishnanVignesh Gopalakrishnan
14816
add a comment |
I've uploaded GeoJSON to Esri cloud and created a feature layer. Now I'm able to plot the featurelayer into my map. I'm trying to color each feature based on measures which comes from my DB. Here is link to jsfiddle
Let's say we are going to add a measure, i.e., Profit of the state Texas is 100. So I'd like to add 'Profit':100 as a field to the Feature.
Here is the code,
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="initial-scale=1,maximum-scale=1,user-scalable=no">
<title>Data-driven continuous color - 4.7</title>
<link rel="stylesheet" href="https://js.arcgis.com/4.7/esri/css/main.css">
<script>
var dojoConfig =
has:
"esri-featurelayer-webgl": 1
</script>
<script src="https://js.arcgis.com/4.7/"></script>
<style>
html,
body,
#viewDiv
padding: 0;
margin: 0;
height: 100%;
width: 100%;
</style>
<script>
require([
"esri/Map",
"esri/views/MapView",
"esri/layers/FeatureLayer",
"esri/widgets/Legend",
"esri/Graphic",
"esri/tasks/support/Query",
"esri/tasks/QueryTask",
"dojo/domReady!"
], function(
Map, MapView, FeatureLayer, Legend, Graphic, Query, QueryTask,
)
var defaultSym =
type: "simple-fill", // autocasts as new SimpleFillSymbol()
outline: // autocasts as new SimpleLineSymbol()
color: "lightgray",
width: 0.5
;
var map = new Map(
basemap: "streets"
);
var view = new MapView(
container: "viewDiv",
map: map,
center: [-85.050200, 33.125524],
zoom: 6
);
var openSpacesRenderer =
"type": "class-breaks",
"field": "CENSUSAREA",
"classBreakInfos": [
"symbol":
"color": [
45,128,120,255
],
"outline":
"width": 0
,
"type": "simple-fill",
"style": "solid"
,
"label": "0 to 1,629",
"minValue": 0,
"maxValue": 100000
,
"symbol":
"color": [
173,212,106,255
],
"outline":
"width": 0
,
"type": "simple-fill",
"style": "solid"
,
"label": "> 1,629 to 3,754",
"minValue": 100001,
"maxValue": 200000
,
"symbol":
"color": [
226,235,211,255
],
"outline":
"width": 0
,
"type": "simple-fill",
"style": "solid"
,
"label": "> 3,754 to 11,438",
"minValue": 200001,
"maxValue": 1000000
]
var featureLayer = new FeatureLayer(
url: "https://services9.arcgis.com/JPp8avz1ETW9XJJr/arcgis/rest/services/USA_Outline/FeatureServer/0",
outFields: ["*"],
renderer: openSpacesRenderer
);
map.add(featureLayer);
let graphics;
view.when(featureLayer).then(function(layerView)
//debugger;
layerView.watch("updating", function(value)
if (!value) // wait for the layer view to finish updating
// query all the features available for drawing.
layerView.queryFeatures(
geometry: view.extent,
outFields: ["*"],
returnGeometry: true
).then(function(results)
for(var r in results)
results[r].attributes['profit']= Math.random()*100
console.log(results[r].attributes);
).catch(function(e)
console.error("query failed: ", e);
);
);
);
);
</script>
</head>
<body>
<div id="viewDiv"></div>
</body>
</html>
Now in the for loop I'm trying to add a attribute profit with what we have. Then if I change field variable of openSpacesRenderer as profit, it is not working. How can I add a new field to the existing feature layer?
javascript arcgis-javascript-api arcgis-javascript-api-4
asked Jul 10 '18 at 11:28
Vignesh GopalakrishnanVignesh Gopalakrishnan
14816
add a comment |
I've uploaded GeoJSON to Esri cloud and created a feature layer. Now I'm able to plot the featurelayer into my map. I'm trying to color each feature based on measures which comes from my DB. Here is link to jsfiddle
Let's say we are going to add a measure, i.e., Profit of the state Texas is 100. So I'd like to add 'Profit':100 as a field to the Feature.
Here is the code,
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="initial-scale=1,maximum-scale=1,user-scalable=no">
<title>Data-driven continuous color - 4.7</title>
<link rel="stylesheet" href="https://js.arcgis.com/4.7/esri/css/main.css">
<script>
var dojoConfig =
has:
"esri-featurelayer-webgl": 1
</script>
<script src="https://js.arcgis.com/4.7/"></script>
<style>
html,
body,
#viewDiv
padding: 0;
margin: 0;
height: 100%;
width: 100%;
</style>
<script>
require([
"esri/Map",
"esri/views/MapView",
"esri/layers/FeatureLayer",
"esri/widgets/Legend",
"esri/Graphic",
"esri/tasks/support/Query",
"esri/tasks/QueryTask",
"dojo/domReady!"
], function(
Map, MapView, FeatureLayer, Legend, Graphic, Query, QueryTask,
)
var defaultSym =
type: "simple-fill", // autocasts as new SimpleFillSymbol()
outline: // autocasts as new SimpleLineSymbol()
color: "lightgray",
width: 0.5
;
var map = new Map(
basemap: "streets"
);
var view = new MapView(
container: "viewDiv",
map: map,
center: [-85.050200, 33.125524],
zoom: 6
);
var openSpacesRenderer =
"type": "class-breaks",
"field": "CENSUSAREA",
"classBreakInfos": [
"symbol":
"color": [
45,128,120,255
],
"outline":
"width": 0
,
"type": "simple-fill",
"style": "solid"
,
"label": "0 to 1,629",
"minValue": 0,
"maxValue": 100000
,
"symbol":
"color": [
173,212,106,255
],
"outline":
"width": 0
,
"type": "simple-fill",
"style": "solid"
,
"label": "> 1,629 to 3,754",
"minValue": 100001,
"maxValue": 200000
,
"symbol":
"color": [
226,235,211,255
],
"outline":
"width": 0
,
"type": "simple-fill",
"style": "solid"
,
"label": "> 3,754 to 11,438",
"minValue": 200001,
"maxValue": 1000000
]
var featureLayer = new FeatureLayer(
url: "https://services9.arcgis.com/JPp8avz1ETW9XJJr/arcgis/rest/services/USA_Outline/FeatureServer/0",
outFields: ["*"],
renderer: openSpacesRenderer
);
map.add(featureLayer);
let graphics;
view.when(featureLayer).then(function(layerView)
//debugger;
layerView.watch("updating", function(value)
if (!value) // wait for the layer view to finish updating
// query all the features available for drawing.
layerView.queryFeatures(
geometry: view.extent,
outFields: ["*"],
returnGeometry: true
).then(function(results)
for(var r in results)
results[r].attributes['profit']= Math.random()*100
console.log(results[r].attributes);
).catch(function(e)
console.error("query failed: ", e);
);
);
);
);
</script>
</head>
<body>
<div id="viewDiv"></div>
</body>
</html>
Now in the for loop I'm trying to add a attribute profit with what we have. Then if I change field variable of openSpacesRenderer as profit, it is not working. How can I add a new field to the existing feature layer?
javascript arcgis-javascript-api arcgis-javascript-api-4
asked Jul 10 '18 at 11:28
Vignesh GopalakrishnanVignesh Gopalakrishnan
14816
I've uploaded GeoJSON to Esri cloud and created a feature layer. Now I'm able to plot the featurelayer into my map. I'm trying to color each feature based on measures which comes from my DB. Here is link to jsfiddle
Let's say we are going to add a measure, i.e., Profit of the state Texas is 100. So I'd like to add 'Profit':100 as a field to the Feature.
Here is the code,
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="initial-scale=1,maximum-scale=1,user-scalable=no">
<title>Data-driven continuous color - 4.7</title>
<link rel="stylesheet" href="https://js.arcgis.com/4.7/esri/css/main.css">
<script>
var dojoConfig =
has:
"esri-featurelayer-webgl": 1
</script>
<script src="https://js.arcgis.com/4.7/"></script>
<style>
html,
body,
#viewDiv
padding: 0;
margin: 0;
height: 100%;
width: 100%;
</style>
<script>
require([
"esri/Map",
"esri/views/MapView",
"esri/layers/FeatureLayer",
"esri/widgets/Legend",
"esri/Graphic",
"esri/tasks/support/Query",
"esri/tasks/QueryTask",
"dojo/domReady!"
], function(
Map, MapView, FeatureLayer, Legend, Graphic, Query, QueryTask,
)
var defaultSym =
type: "simple-fill", // autocasts as new SimpleFillSymbol()
outline: // autocasts as new SimpleLineSymbol()
color: "lightgray",
width: 0.5
;
var map = new Map(
basemap: "streets"
);
var view = new MapView(
container: "viewDiv",
map: map,
center: [-85.050200, 33.125524],
zoom: 6
);
var openSpacesRenderer =
"type": "class-breaks",
"field": "CENSUSAREA",
"classBreakInfos": [
"symbol":
"color": [
45,128,120,255
],
"outline":
"width": 0
,
"type": "simple-fill",
"style": "solid"
,
"label": "0 to 1,629",
"minValue": 0,
"maxValue": 100000
,
"symbol":
"color": [
173,212,106,255
],
"outline":
"width": 0
,
"type": "simple-fill",
"style": "solid"
,
"label": "> 1,629 to 3,754",
"minValue": 100001,
"maxValue": 200000
,
"symbol":
"color": [
226,235,211,255
],
"outline":
"width": 0
,
"type": "simple-fill",
"style": "solid"
,
"label": "> 3,754 to 11,438",
"minValue": 200001,
"maxValue": 1000000
]
var featureLayer = new FeatureLayer(
url: "https://services9.arcgis.com/JPp8avz1ETW9XJJr/arcgis/rest/services/USA_Outline/FeatureServer/0",
outFields: ["*"],
renderer: openSpacesRenderer
);
map.add(featureLayer);
let graphics;
view.when(featureLayer).then(function(layerView)
//debugger;
layerView.watch("updating", function(value)
if (!value) // wait for the layer view to finish updating
// query all the features available for drawing.
layerView.queryFeatures(
geometry: view.extent,
outFields: ["*"],
returnGeometry: true
).then(function(results)
for(var r in results)
results[r].attributes['profit']= Math.random()*100
console.log(results[r].attributes);
).catch(function(e)
console.error("query failed: ", e);
);
);
);
);
</script>
</head>
<body>
<div id="viewDiv"></div>
</body>
</html>
Now in the for loop I'm trying to add a attribute profit with what we have. Then if I change field variable of openSpacesRenderer as profit, it is not working. How can I add a new field to the existing feature layer?
javascript arcgis-javascript-api arcgis-javascript-api-4
javascript arcgis-javascript-api arcgis-javascript-api-4
asked Jul 10 '18 at 11:28
Vignesh GopalakrishnanVignesh Gopalakrishnan
14816
asked Jul 10 '18 at 11:28
Vignesh GopalakrishnanVignesh Gopalakrishnan
14816
edited Jul 10 '18 at 12:32
Vignesh Gopalakrishnan
asked Jul 10 '18 at 11:28
Vignesh GopalakrishnanVignesh Gopalakrishnan
14816
asked Jul 10 '18 at 11:28
Vignesh GopalakrishnanVignesh Gopalakrishnan
14816
asked Jul 10 '18 at 11:28
Vignesh GopalakrishnanVignesh Gopalakrishnan
14816
14816
add a comment |
add a comment |
1 Answer
1
active
oldest
votes
You can use Arcade expressions to calculatenew (temporary) fields, and then use them for popups and/or labeling.
https://developers.arcgis.com/javascript/latest/guide/arcade/index.html
https://developers.arcgis.com/javascript/latest/sample-code/index.html?search=arcade
answered Jul 19 '18 at 23:38
Bjorn SvenssonBjorn Svensson
2,2141429
add a comment |
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1 Answer
1
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votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
You can use Arcade expressions to calculatenew (temporary) fields, and then use them for popups and/or labeling.
https://developers.arcgis.com/javascript/latest/guide/arcade/index.html
https://developers.arcgis.com/javascript/latest/sample-code/index.html?search=arcade
answered Jul 19 '18 at 23:38
Bjorn SvenssonBjorn Svensson
2,2141429
add a comment |
You can use Arcade expressions to calculatenew (temporary) fields, and then use them for popups and/or labeling.
https://developers.arcgis.com/javascript/latest/guide/arcade/index.html
https://developers.arcgis.com/javascript/latest/sample-code/index.html?search=arcade
answered Jul 19 '18 at 23:38
Bjorn SvenssonBjorn Svensson
2,2141429
add a comment |
You can use Arcade expressions to calculatenew (temporary) fields, and then use them for popups and/or labeling.
https://developers.arcgis.com/javascript/latest/guide/arcade/index.html
https://developers.arcgis.com/javascript/latest/sample-code/index.html?search=arcade
answered Jul 19 '18 at 23:38
Bjorn SvenssonBjorn Svensson
2,2141429
You can use Arcade expressions to calculatenew (temporary) fields, and then use them for popups and/or labeling.
https://developers.arcgis.com/javascript/latest/guide/arcade/index.html
https://developers.arcgis.com/javascript/latest/sample-code/index.html?search=arcade
answered Jul 19 '18 at 23:38
Bjorn SvenssonBjorn Svensson
2,2141429
answered Jul 19 '18 at 23:38
Bjorn SvenssonBjorn Svensson
2,2141429
answered Jul 19 '18 at 23:38
Bjorn SvenssonBjorn Svensson
2,2141429
answered Jul 19 '18 at 23:38
Bjorn SvenssonBjorn Svensson
2,2141429
2,2141429
add a comment |
add a comment |
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