esriRequest json response to feature layer The Next CEO of Stack OverflowGet ESRI JSON...
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esriRequest json response to feature layer
The Next CEO of Stack OverflowGet ESRI JSON response locally from Arc document?Javscript API esri/dijit/search JSON ResponseGetting a JSON response with requests and ArcGIS REST APICreating feature layer using local json file in arcgis API for javascript 4?Layer from JSON FileLayer Definition for previous 30 days (JSON)Creating FeatureLayer from JSON data using ArcGIS API for JavaScript 4?ArcObjects: Convert Feature to JSONLeaflet routing machine - get route JSON responseConverting JSON response into a GeoJSON layer in my Leaflet map
I am using JavaScript 4.7 and I am able to retrieve json using esriRequest from our ArcGIS server.
However, I have difficulty in showing this data on the map layer.
the call map.addLayer(featureLayer); is not working. Here is the code I am using
<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>Request Test</title>
<link rel="stylesheet" href="http://js.arcgis.com/4.2/esri/css/main.css">
<link rel="stylesheet" type="text/css" href="http://js.arcgis.com/4.2/dijit/themes/claro/claro.css">
<style>
html, body,
#viewDiv {
height: 100%;
width: 100%;
margin: 0;
padding: 0;
}
body {
background-color: #FFF;
overflow: hidden;
font-family: "Trebuchet MS";
}
#header {
height: 3%;
overflow: auto;
}
</style>
<script src="http://js.arcgis.com/4.7/"></script>
<script>
require([
"esri/request",
"dojo/on",
"esri/Map",
"esri/layers/FeatureLayer",
"esri/renderers/support/jsonUtils",
"esri/views/MapView",
"esri/symbols/SimpleMarkerSymbol",
"esri/Color", "esri/renderers/SimpleRenderer",
"esri/tasks/support/FeatureSet",
"dojo/domReady!"
], function (
esriRequest,
on,
Map,
FeatureLayer,
rendererJsonUtils, MapView, SimpleMarkerSymbol, Color, SimpleRenderer,
FeatureSet
) {
var map = new Map({
basemap: "streets"
});
var view = new MapView({
container: "viewDiv",
map: map,
zoom: 4,
center: [15, 65] // longitude, latitude
});
var input = document.getElementById("inputUrl");
/************************************************
*
* Define the 'options' for our request.
*
*************************************************/
var options = {
query: {
f: 'json'
}
responseType: 'json'
};
// Make the request on a button click using the
// value of the 'input' text.
on(btnQuery, "click", function () {
var url = input.value;
esriRequest(url, options).then(function (response) {
var responseJSON = JSON.stringify(response, null, 2);
var search_layer_result = JSON.parse(responseJSON);
var fs = new FeatureSet(search_layer_result);
var layerDefinition = {
"displayFieldName": "NAME",
"geometryType": "esriGeometryPoint",
"spatialReference": {
"wkid": 32633
},
"fields": [
{
"name": "OBJECTID",
"type": "esriFieldTypeOID",
"alias": "OBJECTID"
},
{
"name": "NAME",
"type": "esriFieldTypeString",
"alias": "NAME",
"length": 50
}
]
};
var featureCollection = {
layerDefinition: layerDefinition,
featureSet: fs
};
var featureLayer = new FeatureLayer(featureCollection);
map.addLayer(featureLayer);
});
});
});
</script>
</head>
<body>
<div class="container">
<div>
<h2>Using esri/request</h2>
<button id="btnQuery">Make Request</button>
<input id="inputUrl" type="text" value="https://arcgisserver/map">
</div>
</div>
<div id="viewDiv">MAP HERE</div>
</body>
</html>
json arcgis-javascript-api-4
edited May 31 '18 at 15:09
Ian Turton♦
50k548116
asked May 31 '18 at 14:27
ThomasThomas
161
bumped to the homepage by Community♦ 30 mins ago
This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.
add a comment |
I am using JavaScript 4.7 and I am able to retrieve json using esriRequest from our ArcGIS server.
However, I have difficulty in showing this data on the map layer.
the call map.addLayer(featureLayer); is not working. Here is the code I am using
<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>Request Test</title>
<link rel="stylesheet" href="http://js.arcgis.com/4.2/esri/css/main.css">
<link rel="stylesheet" type="text/css" href="http://js.arcgis.com/4.2/dijit/themes/claro/claro.css">
<style>
html, body,
#viewDiv {
height: 100%;
width: 100%;
margin: 0;
padding: 0;
}
body {
background-color: #FFF;
overflow: hidden;
font-family: "Trebuchet MS";
}
#header {
height: 3%;
overflow: auto;
}
</style>
<script src="http://js.arcgis.com/4.7/"></script>
<script>
require([
"esri/request",
"dojo/on",
"esri/Map",
"esri/layers/FeatureLayer",
"esri/renderers/support/jsonUtils",
"esri/views/MapView",
"esri/symbols/SimpleMarkerSymbol",
"esri/Color", "esri/renderers/SimpleRenderer",
"esri/tasks/support/FeatureSet",
"dojo/domReady!"
], function (
esriRequest,
on,
Map,
FeatureLayer,
rendererJsonUtils, MapView, SimpleMarkerSymbol, Color, SimpleRenderer,
FeatureSet
) {
var map = new Map({
basemap: "streets"
});
var view = new MapView({
container: "viewDiv",
map: map,
zoom: 4,
center: [15, 65] // longitude, latitude
});
var input = document.getElementById("inputUrl");
/************************************************
*
* Define the 'options' for our request.
*
*************************************************/
var options = {
query: {
f: 'json'
}
responseType: 'json'
};
// Make the request on a button click using the
// value of the 'input' text.
on(btnQuery, "click", function () {
var url = input.value;
esriRequest(url, options).then(function (response) {
var responseJSON = JSON.stringify(response, null, 2);
var search_layer_result = JSON.parse(responseJSON);
var fs = new FeatureSet(search_layer_result);
var layerDefinition = {
"displayFieldName": "NAME",
"geometryType": "esriGeometryPoint",
"spatialReference": {
"wkid": 32633
},
"fields": [
{
"name": "OBJECTID",
"type": "esriFieldTypeOID",
"alias": "OBJECTID"
},
{
"name": "NAME",
"type": "esriFieldTypeString",
"alias": "NAME",
"length": 50
}
]
};
var featureCollection = {
layerDefinition: layerDefinition,
featureSet: fs
};
var featureLayer = new FeatureLayer(featureCollection);
map.addLayer(featureLayer);
});
});
});
</script>
</head>
<body>
<div class="container">
<div>
<h2>Using esri/request</h2>
<button id="btnQuery">Make Request</button>
<input id="inputUrl" type="text" value="https://arcgisserver/map">
</div>
</div>
<div id="viewDiv">MAP HERE</div>
</body>
</html>
json arcgis-javascript-api-4
edited May 31 '18 at 15:09
Ian Turton♦
50k548116
asked May 31 '18 at 14:27
ThomasThomas
161
bumped to the homepage by Community♦ 30 mins ago
This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.
If you have the URL to the FeatureServer, you can use that to instantiate a FeatureLayer object, e.g.layer = new FeatureLayer({url: "https://sampleserver6.arcgisonline.com/arcgis/rest/services/USA/MapServer/0"});Is that what you want? See here for details: developers.arcgis.com/javascript/latest/api-reference/… Oh, and one minor thing: As far as I know there is no such thing as Java 4.7, do you mean ArcGIS API for JavaScript 4.7 by any chance?
– Berend
May 31 '18 at 14:43
One more thing: In version 4.x, the map object does not have a method calledaddLayer(). You should probably be usingadd(): developers.arcgis.com/javascript/latest/api-reference/…
– Berend
May 31 '18 at 14:47
add a comment |
I am using JavaScript 4.7 and I am able to retrieve json using esriRequest from our ArcGIS server.
However, I have difficulty in showing this data on the map layer.
the call map.addLayer(featureLayer); is not working. Here is the code I am using
<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>Request Test</title>
<link rel="stylesheet" href="http://js.arcgis.com/4.2/esri/css/main.css">
<link rel="stylesheet" type="text/css" href="http://js.arcgis.com/4.2/dijit/themes/claro/claro.css">
<style>
html, body,
#viewDiv {
height: 100%;
width: 100%;
margin: 0;
padding: 0;
}
body {
background-color: #FFF;
overflow: hidden;
font-family: "Trebuchet MS";
}
#header {
height: 3%;
overflow: auto;
}
</style>
<script src="http://js.arcgis.com/4.7/"></script>
<script>
require([
"esri/request",
"dojo/on",
"esri/Map",
"esri/layers/FeatureLayer",
"esri/renderers/support/jsonUtils",
"esri/views/MapView",
"esri/symbols/SimpleMarkerSymbol",
"esri/Color", "esri/renderers/SimpleRenderer",
"esri/tasks/support/FeatureSet",
"dojo/domReady!"
], function (
esriRequest,
on,
Map,
FeatureLayer,
rendererJsonUtils, MapView, SimpleMarkerSymbol, Color, SimpleRenderer,
FeatureSet
) {
var map = new Map({
basemap: "streets"
});
var view = new MapView({
container: "viewDiv",
map: map,
zoom: 4,
center: [15, 65] // longitude, latitude
});
var input = document.getElementById("inputUrl");
/************************************************
*
* Define the 'options' for our request.
*
*************************************************/
var options = {
query: {
f: 'json'
}
responseType: 'json'
};
// Make the request on a button click using the
// value of the 'input' text.
on(btnQuery, "click", function () {
var url = input.value;
esriRequest(url, options).then(function (response) {
var responseJSON = JSON.stringify(response, null, 2);
var search_layer_result = JSON.parse(responseJSON);
var fs = new FeatureSet(search_layer_result);
var layerDefinition = {
"displayFieldName": "NAME",
"geometryType": "esriGeometryPoint",
"spatialReference": {
"wkid": 32633
},
"fields": [
{
"name": "OBJECTID",
"type": "esriFieldTypeOID",
"alias": "OBJECTID"
},
{
"name": "NAME",
"type": "esriFieldTypeString",
"alias": "NAME",
"length": 50
}
]
};
var featureCollection = {
layerDefinition: layerDefinition,
featureSet: fs
};
var featureLayer = new FeatureLayer(featureCollection);
map.addLayer(featureLayer);
});
});
});
</script>
</head>
<body>
<div class="container">
<div>
<h2>Using esri/request</h2>
<button id="btnQuery">Make Request</button>
<input id="inputUrl" type="text" value="https://arcgisserver/map">
</div>
</div>
<div id="viewDiv">MAP HERE</div>
</body>
</html>
json arcgis-javascript-api-4
edited May 31 '18 at 15:09
Ian Turton♦
50k548116
asked May 31 '18 at 14:27
ThomasThomas
161
I am using JavaScript 4.7 and I am able to retrieve json using esriRequest from our ArcGIS server.
However, I have difficulty in showing this data on the map layer.
the call map.addLayer(featureLayer); is not working. Here is the code I am using
<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>Request Test</title>
<link rel="stylesheet" href="http://js.arcgis.com/4.2/esri/css/main.css">
<link rel="stylesheet" type="text/css" href="http://js.arcgis.com/4.2/dijit/themes/claro/claro.css">
<style>
html, body,
#viewDiv {
height: 100%;
width: 100%;
margin: 0;
padding: 0;
}
body {
background-color: #FFF;
overflow: hidden;
font-family: "Trebuchet MS";
}
#header {
height: 3%;
overflow: auto;
}
</style>
<script src="http://js.arcgis.com/4.7/"></script>
<script>
require([
"esri/request",
"dojo/on",
"esri/Map",
"esri/layers/FeatureLayer",
"esri/renderers/support/jsonUtils",
"esri/views/MapView",
"esri/symbols/SimpleMarkerSymbol",
"esri/Color", "esri/renderers/SimpleRenderer",
"esri/tasks/support/FeatureSet",
"dojo/domReady!"
], function (
esriRequest,
on,
Map,
FeatureLayer,
rendererJsonUtils, MapView, SimpleMarkerSymbol, Color, SimpleRenderer,
FeatureSet
) {
var map = new Map({
basemap: "streets"
});
var view = new MapView({
container: "viewDiv",
map: map,
zoom: 4,
center: [15, 65] // longitude, latitude
});
var input = document.getElementById("inputUrl");
/************************************************
*
* Define the 'options' for our request.
*
*************************************************/
var options = {
query: {
f: 'json'
}
responseType: 'json'
};
// Make the request on a button click using the
// value of the 'input' text.
on(btnQuery, "click", function () {
var url = input.value;
esriRequest(url, options).then(function (response) {
var responseJSON = JSON.stringify(response, null, 2);
var search_layer_result = JSON.parse(responseJSON);
var fs = new FeatureSet(search_layer_result);
var layerDefinition = {
"displayFieldName": "NAME",
"geometryType": "esriGeometryPoint",
"spatialReference": {
"wkid": 32633
},
"fields": [
{
"name": "OBJECTID",
"type": "esriFieldTypeOID",
"alias": "OBJECTID"
},
{
"name": "NAME",
"type": "esriFieldTypeString",
"alias": "NAME",
"length": 50
}
]
};
var featureCollection = {
layerDefinition: layerDefinition,
featureSet: fs
};
var featureLayer = new FeatureLayer(featureCollection);
map.addLayer(featureLayer);
});
});
});
</script>
</head>
<body>
<div class="container">
<div>
<h2>Using esri/request</h2>
<button id="btnQuery">Make Request</button>
<input id="inputUrl" type="text" value="https://arcgisserver/map">
</div>
</div>
<div id="viewDiv">MAP HERE</div>
</body>
</html>
json arcgis-javascript-api-4
json arcgis-javascript-api-4
edited May 31 '18 at 15:09
Ian Turton♦
50k548116
asked May 31 '18 at 14:27
ThomasThomas
161
edited May 31 '18 at 15:09
Ian Turton♦
50k548116
asked May 31 '18 at 14:27
ThomasThomas
161
edited May 31 '18 at 15:09
Ian Turton♦
50k548116
edited May 31 '18 at 15:09
Ian Turton♦
50k548116
edited May 31 '18 at 15:09
Ian Turton♦
50k548116
50k548116
asked May 31 '18 at 14:27
ThomasThomas
161
asked May 31 '18 at 14:27
ThomasThomas
161
asked May 31 '18 at 14:27
ThomasThomas
161
161
bumped to the homepage by Community♦ 30 mins ago
This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.
bumped to the homepage by Community♦ 30 mins ago
This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.
If you have the URL to the FeatureServer, you can use that to instantiate a FeatureLayer object, e.g.layer = new FeatureLayer({url: "https://sampleserver6.arcgisonline.com/arcgis/rest/services/USA/MapServer/0"});Is that what you want? See here for details: developers.arcgis.com/javascript/latest/api-reference/… Oh, and one minor thing: As far as I know there is no such thing as Java 4.7, do you mean ArcGIS API for JavaScript 4.7 by any chance?
– Berend
May 31 '18 at 14:43
One more thing: In version 4.x, the map object does not have a method calledaddLayer(). You should probably be usingadd(): developers.arcgis.com/javascript/latest/api-reference/…
– Berend
May 31 '18 at 14:47
add a comment |
If you have the URL to the FeatureServer, you can use that to instantiate a FeatureLayer object, e.g.layer = new FeatureLayer({url: "https://sampleserver6.arcgisonline.com/arcgis/rest/services/USA/MapServer/0"});Is that what you want? See here for details: developers.arcgis.com/javascript/latest/api-reference/… Oh, and one minor thing: As far as I know there is no such thing as Java 4.7, do you mean ArcGIS API for JavaScript 4.7 by any chance?
– Berend
May 31 '18 at 14:43
One more thing: In version 4.x, the map object does not have a method calledaddLayer(). You should probably be usingadd(): developers.arcgis.com/javascript/latest/api-reference/…
– Berend
May 31 '18 at 14:47
If you have the URL to the FeatureServer, you can use that to instantiate a FeatureLayer object, e.g.
layer = new FeatureLayer({url: "https://sampleserver6.arcgisonline.com/arcgis/rest/services/USA/MapServer/0"}); Is that what you want? See here for details: developers.arcgis.com/javascript/latest/api-reference/… Oh, and one minor thing: As far as I know there is no such thing as Java 4.7, do you mean ArcGIS API for JavaScript 4.7 by any chance?– Berend
May 31 '18 at 14:43
If you have the URL to the FeatureServer, you can use that to instantiate a FeatureLayer object, e.g.
layer = new FeatureLayer({url: "https://sampleserver6.arcgisonline.com/arcgis/rest/services/USA/MapServer/0"}); Is that what you want? See here for details: developers.arcgis.com/javascript/latest/api-reference/… Oh, and one minor thing: As far as I know there is no such thing as Java 4.7, do you mean ArcGIS API for JavaScript 4.7 by any chance?– Berend
May 31 '18 at 14:43
One more thing: In version 4.x, the map object does not have a method called
addLayer(). You should probably be using add(): developers.arcgis.com/javascript/latest/api-reference/…– Berend
May 31 '18 at 14:47
One more thing: In version 4.x, the map object does not have a method called
addLayer(). You should probably be using add(): developers.arcgis.com/javascript/latest/api-reference/…– Berend
May 31 '18 at 14:47
add a comment |
1 Answer
1
active
oldest
votes
According to the documentation :
FeatureLayers may be created in one of three ways: from a service URL, an ArcGIS portal item ID, or from an array of client-side graphics
So in your case, you would use the third option :
https://developers.arcgis.com/javascript/latest/api-reference/esri-layers-FeatureLayer.html#source
By looking at your layerDefinition, your esriRequest should return two values : OBJECTID and NAME
Now use them to populate the attributes of your graphics :
var features = [
{
geometry: {
type: "point",
x: -100,
y: 38
},
attributes: {
ObjectID: objectid,
name: name
}
},
...
];
var featureLayer = new FeatureLayer({
source: features
});
And as Berend said, in ArcGIS Javascript version 4, you should be using :
map.add(featureLayer);
answered May 31 '18 at 16:43
LMokraneLMokrane
407210
add a comment |
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1 Answer
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active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
According to the documentation :
FeatureLayers may be created in one of three ways: from a service URL, an ArcGIS portal item ID, or from an array of client-side graphics
So in your case, you would use the third option :
https://developers.arcgis.com/javascript/latest/api-reference/esri-layers-FeatureLayer.html#source
By looking at your layerDefinition, your esriRequest should return two values : OBJECTID and NAME
Now use them to populate the attributes of your graphics :
var features = [
{
geometry: {
type: "point",
x: -100,
y: 38
},
attributes: {
ObjectID: objectid,
name: name
}
},
...
];
var featureLayer = new FeatureLayer({
source: features
});
And as Berend said, in ArcGIS Javascript version 4, you should be using :
map.add(featureLayer);
answered May 31 '18 at 16:43
LMokraneLMokrane
407210
add a comment |
According to the documentation :
FeatureLayers may be created in one of three ways: from a service URL, an ArcGIS portal item ID, or from an array of client-side graphics
So in your case, you would use the third option :
https://developers.arcgis.com/javascript/latest/api-reference/esri-layers-FeatureLayer.html#source
By looking at your layerDefinition, your esriRequest should return two values : OBJECTID and NAME
Now use them to populate the attributes of your graphics :
var features = [
{
geometry: {
type: "point",
x: -100,
y: 38
},
attributes: {
ObjectID: objectid,
name: name
}
},
...
];
var featureLayer = new FeatureLayer({
source: features
});
And as Berend said, in ArcGIS Javascript version 4, you should be using :
map.add(featureLayer);
answered May 31 '18 at 16:43
LMokraneLMokrane
407210
add a comment |
According to the documentation :
FeatureLayers may be created in one of three ways: from a service URL, an ArcGIS portal item ID, or from an array of client-side graphics
So in your case, you would use the third option :
https://developers.arcgis.com/javascript/latest/api-reference/esri-layers-FeatureLayer.html#source
By looking at your layerDefinition, your esriRequest should return two values : OBJECTID and NAME
Now use them to populate the attributes of your graphics :
var features = [
{
geometry: {
type: "point",
x: -100,
y: 38
},
attributes: {
ObjectID: objectid,
name: name
}
},
...
];
var featureLayer = new FeatureLayer({
source: features
});
And as Berend said, in ArcGIS Javascript version 4, you should be using :
map.add(featureLayer);
answered May 31 '18 at 16:43
LMokraneLMokrane
407210
According to the documentation :
FeatureLayers may be created in one of three ways: from a service URL, an ArcGIS portal item ID, or from an array of client-side graphics
So in your case, you would use the third option :
https://developers.arcgis.com/javascript/latest/api-reference/esri-layers-FeatureLayer.html#source
By looking at your layerDefinition, your esriRequest should return two values : OBJECTID and NAME
Now use them to populate the attributes of your graphics :
var features = [
{
geometry: {
type: "point",
x: -100,
y: 38
},
attributes: {
ObjectID: objectid,
name: name
}
},
...
];
var featureLayer = new FeatureLayer({
source: features
});
And as Berend said, in ArcGIS Javascript version 4, you should be using :
map.add(featureLayer);
answered May 31 '18 at 16:43
LMokraneLMokrane
407210
answered May 31 '18 at 16:43
LMokraneLMokrane
407210
answered May 31 '18 at 16:43
LMokraneLMokrane
407210
answered May 31 '18 at 16:43
LMokraneLMokrane
407210
407210
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If you have the URL to the FeatureServer, you can use that to instantiate a FeatureLayer object, e.g.
layer = new FeatureLayer({url: "https://sampleserver6.arcgisonline.com/arcgis/rest/services/USA/MapServer/0"});Is that what you want? See here for details: developers.arcgis.com/javascript/latest/api-reference/… Oh, and one minor thing: As far as I know there is no such thing as Java 4.7, do you mean ArcGIS API for JavaScript 4.7 by any chance?– Berend
May 31 '18 at 14:43
One more thing: In version 4.x, the map object does not have a method called
addLayer(). You should probably be usingadd(): developers.arcgis.com/javascript/latest/api-reference/…– Berend
May 31 '18 at 14:47