Questions tagged [arcgis-javascript-api]
For questions about ArcGIS API for JavaScript 2.x and 3.x. For 4.x use arcgis-javascript-api-4 instead
1,917
questions
3
votes
1answer
40 views
ArcGIS queryTask() always returns an empty set
Using the ArcGIS JavaScript API 4.14 to query a feature service on a server that is federated to my instance of Portal/ArcGIS Enterprise. No matter what I do the queryTask.execute() is returning an ...
-1
votes
0answers
37 views
Drawing polygons on a map using ArcGIS JavaScript API 3.31?
First a user draws a polygon on a map using the draw toolbar, like this:
function initToolbar() {
tb = new Draw(map);
tb.on("draw-end", addGraphic);
// event delegation so a click ...
0
votes
1answer
24 views
Update z-index of new graphic layer
I am creating/drawing a new polyline successfully; the only problem is it's going under my other graphic layers. Is there any ability to set the z-index of this to bring it above the over layers? I ...
0
votes
1answer
26 views
Turn certain layers on and off in ArcGIS Web AppBuilder Developer Edition
Does anyone know a way in ArcGIS Web AppBuilder Developer edition that I can create a button or a link that turns certain layers on or off?
For example, if I have three layers
[1] Homes
[2] Rivers
...
1
vote
1answer
34 views
get a PolyLine path to go to center of screen
I am trying to draw a polyLine to the center of the screen (as the second path, point B) ... I tried referencing the below to get center: any pointers?
coordinatesBx = map.extent.getCenter()....
0
votes
1answer
27 views
How to replace http for https before DOM Construct on load KMZ file with ArcGIS API JS
I have an application and it is loaded with https, this application loads a map with a KMZ file, and the content of that file has external reference to a PNG image that is loaded with http. This ...
0
votes
2answers
58 views
Min and Max for each image of NDVI to calculate Em and LST
I am working on my script to calculate LST for all the images in the collection separately and then use the calculated LST to estimate Mean Annual LST.
I have calculated NDVI for each image, and the ...
-2
votes
1answer
32 views
Reading local GeoJSON file using ArcGIS API for JavaScript
I am using ArcGIS API for JavaScript 4.14.
I change the "url" which only receive the "http"-start str to "data",but it didn't work.
const geojsonLayer = new GeoJSONLayer({
data: "js/...
1
vote
1answer
24 views
Uncaught (in promise) TypeError: GraphicsLayer is not a constructor
import Map from "esri/Map";
import MapView from "esri/views/MapView";
import Graphic from "esri/Graphic";
import GraphicsLayer from "esri/layers/GraphicsLayer";
import webMercatorUtils from "esri/...
0
votes
1answer
16 views
Specific div elem for click event within view.when/view.on
view.when(function(){
view.on("click", function () { doSomething = !doSomething;});
});
The above works as a global click event. HOWEVER, I am trying to specify a specific div elem not a ...
4
votes
1answer
168 views
polyline path to follow a draggable modal
Here is what I am trying to do: on click (right now just click
anywhere on the map) will draw the line and display a drag-able
modal pop-up, I have static coordinates set for the start point
(which ...
1
vote
1answer
41 views
polyline second path to draggable div
How can I simply draw a line between two lat long coordinates values on a map using ESRI ArcGIS JS API?! This most basic task is taking a gruesome amount of effort.
I am able to draw a line with the ...
3
votes
2answers
101 views
Setting map extent using offset in ArcGIS API for JavaScript v3.x
I am trying to set map extent using an offset because there is a panel floating over the left side of the map and sometimes, when I zoom to a feature extent, the feature is partly hidden behind it.
I ...
2
votes
1answer
30 views
Making a popup (which is a DIV containing a panel consist of textbox and a button) to float within the map DIV only
The HTML for the popup is:
<div id="commentBox" class="commentBox">
<div class="panel panel-default">
<div class="panel-body">
<input type="text" value="" id="...
1
vote
1answer
154 views
Proper Way to Load WMSLayer in ArcGIS JSAPI 4.12
I'm getting #load() Failed to load layer TypeError: Cannot read property 'indexOf' of undefined error when I tried to load WMSLayer in my application.
I've tried several different WMS service URLs ...
-1
votes
1answer
34 views
How can I show map from GeoServer using JavaScript on my web with base map OpenLayers? [closed]
http://localhost:8080/geoserver/flood/wms?service=WMS&version=1.1.0&request=GetMap&layers=flood%3Apak_water_areas_dcw&bbox=61.2723655700684%2C23.694694519043%2C75.8473587036133%2C36....
0
votes
1answer
48 views
Displaying data from standalone PostGIS using ArcGIS API for JavaScript? [closed]
I'd like to serve out data from a PostGIS server and consume it as a layer in the ArcGIS JavaScript API. Searching for "arcgis javascript postgis" I see information on ArcGIS Desktop, ArcGIS Server ...
0
votes
0answers
112 views
Adding Javascript API widget to Esri's Angular CLI boilerplate code
I'm using the Esri Angular CLI template from Github here: https://github.com/Esri/angular-cli-esri-map. I've been trying to understand how I can add a widget to the esri-map.component.ts file. I've ...
2
votes
1answer
25 views
ArcGIS JavaScript 4 Layout
I am getting started with ArcGIS JavaScript 4. I want to create a layout with header menu, left pane and right pane with map. All the ESRI examples seem to refer to JavaScript 3. In the code below ...
1
vote
0answers
20 views
How to insert polyline on ArcGIS JavaScript 3.x?
I am using JavaScript 3.x library of ArcGIS for plotting the polyline but nothing to show on the map.
function simtest() {
var p1 = esri.geometry.geographicToWebMercator(new esri....
1
vote
1answer
22 views
Changing order of attribute data in InfoWindow on click of multiple features
I have an ESRI Web App Builer 2.7 stand alone web application where it is required that we are able to control the order of attribute data appearing in an Infowindow on clicking multiple features.
...
1
vote
0answers
12 views
How to show marker on buffer and show the info on click of that marker ArcGIS JavaScript?
First for creating the buffer the below function is used
function custombuffer(radial,latt,longt,zoomlevel) {
map.graphics.clear();
var pt = new Point(Number(longt), Number(latt), ...
0
votes
1answer
44 views
Exporting data using sketch tool in ArcGIS API for JavaScript
I am looking to see if it possible to extract data from a feature when we use sketch tool. After I draw a polygon it is selected as a feature what can I write to get the data behind that select ...
1
vote
0answers
38 views
Limiting size of require statement when using ArcGIS JavaScript API
Sometimes I look back at my code or someone else's and see these crazy long require statements - sometimes, hundreds of lines long.
Some of the options for limiting the size of the require statement ...
0
votes
1answer
21 views
ArcGIS ArcGISDynamicMapServiceLayer, setExtent
I have a layer made with ArcGISDynamicMapServiceLayer like this:
return esriLoader.loadModules([
'esri/layers/ArcGISDynamicMapServiceLayer',
'esri/layers/ImageParameters',
'esri/InfoTemplate'
])...
0
votes
1answer
12 views
ArcGIS JavaScript API 3.3 change the value of a field to lowercase in InfoTemplate
Is there a way to change the case of a text field in an InfoTemplate using ArcGIS JavaScript 3.3?
Let's say I am bringing in a feature layer, and it is a requirement that I ensure that the field ...
1
vote
0answers
16 views
Setting Graphics rendering level like ArcMap UniqueValueRenderer in ArcGIS AP for JavaScript
I have to add a Map Layer on Map which I am able render with UniqueValueRenderer. After rendering I want to have certain value matching graphics always on Top if they are over lapping. But I am not ...
0
votes
2answers
69 views
ArcGIS JavaScript 3.3 add ArcGIS REST API Queried Feature Layer URL as Layer
Using the Query Generator on an ArcGIS REST Feature Layer, I generated a URL that filters the data by a geometry extent ({xmin: -104, ymin: 35.6, xmax: -94.32, ymax: 41})
This returns Current River ...
1
vote
1answer
47 views
Placing symbol at map extent center
I am using ArcGIS Web AppBuilder (Version 2.13 August 2019).
I have a widget, and on button click, I need to place a symbol at the centre of the map.
I tried using :
selectFeatureService: function (...
-1
votes
2answers
46 views
Manually triggering delete using Sketch Widget for ArcGIS JavaScript API
I am using the sketch widget for ArcGIS JavaScript: https://developers.arcgis.com/javascript/latest/api-reference/esri-widgets-Sketch.html
There is a "delete" button after you have selected one or ...
-1
votes
1answer
52 views
Get existing layer by name from map having multiple map/feature services in ArcGIS Javascript API 3.x
I want to get existing layers from map and toggle on the visibility of the layers. The map has multiple services. I have the rest url for the service or the layer. And able to access the layer by ...
0
votes
1answer
33 views
ArcGIS JS-API, zoom to extent [closed]
I want to move the zoom to an extent.
I have this var:
var extentGeo = esri.geometry.webMercatorToGeographic(map.extent);
console.log('extentGeo', extentGeo);
// { cache: undefined
// ...
0
votes
0answers
11 views
getTileUrl from S3
I am having a hard time figuring out how to calculate the row and column after my tiles were put in an S3 bucket using ArcGIS Server. An example row column is _alllayers/L05/R0002807b/C000136c6.png. ...
0
votes
1answer
31 views
Attaching dojo events in ArcGIS Javascript API 3.29
I am trying to do same job for two different events on map using dojo on() function.
map.on('extent-change', function (event) {
//code goes here
}
and
map.on('zoom-end', function () {
//same code ...
0
votes
1answer
44 views
Authenticating using only token in ArcGIS API for JavaScript?
I am trying to embed a web map from ou ArcGIS Online on our corporate web app.
I implemented a server-side token generator, since our app users do not have (and should not have) an ArcGIS Online ...
0
votes
2answers
107 views
Map contents don't print when using CSS media print queries in a Bootstrap modal
My goal is to show an ArcGIS Server JavaScript v4 map in a Bootstrap modal popup (displayed over a page containing other content), and to print only the contents of the Bootstrap modal popup.
I'm ...
0
votes
2answers
151 views
Add a local GeoJSON file as a layer with GeoJsonLayer
I turned a state boundary feature class into a geojson file called region2_boundary.json:
{
"type" : "FeatureCollection",
"crs" : {
"type" : "name",
"properties" : {
"name" : "...
1
vote
2answers
107 views
Using field from another table in popup of ArcGIS Web AppBuilder
I have an Web AppBuilder application, in popup windows it shows up to 10 fields.
For one field of it, can I get a value from another service/SQL table by customizing application.
I tried to ...
1
vote
1answer
82 views
ArcGIS Server Featurelayer: Error on adding features via JavaScript API after switch from Oracle db to PostGIS
We have a webapp which consumes services published on ArcGIS Server. All database relevant operations are done with ESRI ArcGIS abilities.
We now switched from Oracle 11g to PostgreSQL 9.4 with ...
0
votes
1answer
71 views
Using ExtractData in ArcGIS API for Javascript?
I cannot find any sample using ExtractData API.
I am trying to extract data from hosted feature layers using ExtractData JS API (not widget). The job that I submit fail with the following message.
...
0
votes
2answers
78 views
ArcGIS API JavaScript error to add layer
I'm developing a custom widget for WebApp Builder.
The widget calls a Geoprocessing service and the result must be added to map, but when I call a function this.map.addLayer() I receive the error ...
0
votes
0answers
40 views
Pass coordinates to recenter google map iframe from parent page
Can somebody tell me where my code is wrong?
Here is the code block to pass from the parent to the iframe:
document.getElementById('street').contentWindow.map.setCenter({lat:latt, lng:lon});
This ...
0
votes
2answers
55 views
Using ColorPicker in ArcGIS JavaScript API 4.12?
I can only find ColorPicker in ArcGIS JavaScript API 3.X, but I'm working on a project using 4.12.
I'm trying to implement ColorPicker to my map to let users to choose colors for Sketch objects.
I'...
0
votes
0answers
26 views
Installing JavaScript locally on federated ArcGIS Server
I am installing JavaScript locally on an ArcGIS Server that is federated with Portal and uses the Web Adaptor on the Portal machine. I am following the instructions here: https://support.esri.com/en/...
0
votes
1answer
38 views
Group layers in layer list
I'm new to ArcGIS API for Javscript V3, and trying to dynamically create group layers and add layers together in a existing layer list. I'm not sure how to get this done.
0
votes
1answer
212 views
Customizing legend in layerlist widget of ArcGIS API for JavaScript?
Here is an example code that I use in my work. There are a few issues with this:
The layer title appears one more time in the legend of layerlist.
How can I remove it or change to other text?
...
1
vote
1answer
70 views
Using ArcGIS Online for public-facing site, while keeping source datasets private?
I would like to build a public-facing map using the ArcGIS Server JavaScript API, which will display datasets stored in ArcGIS Online.
ArcGIS Online seems to work on the premise that all users have a ...
0
votes
2answers
193 views
Select all features from current map extent ArcGIS JavaScript 3.29
I am trying to select all the features which are present in the current extent of map i.e which are visible on screen. I find this link helpful but it iterates through all the graphics and check if ...
0
votes
0answers
94 views
esriRequest error No 'Access-Control-Allow-Origin' header is present on the requested resource
I have an API that uses Basic Authentication (Username, Password). I am trying to use this in an esriRequest to pull back the JSON data object from the GET request. To test this (and potentially avoid ...
1
vote
0answers
27 views
GeoJSON Layer - ArcGIS JS API - External URL with oAuth2.0
I am using ArcGIS JS API and connecting to an external GeoJSON service for my GeoJSON Layer. However, for security reasons oAuth2.0 has been enabled on the service.
So now I am lost as to how to ...
