The ArcGIS API for JavaScript is a web mapping API from Esri.

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7
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2answers
506 views

How “complex” should a JavaScript map become? When does a plugin make more sense?

Background: A client is looking to upgrade an ancient ArcIMS site, which is quite complex. It has a table of contents, the ability to change symbology on-the-fly, print the map, use spatial ...
3
votes
2answers
2k views

Layer Toggling from Multiple Services

I am attempting to modify the Esri sample below that allows for layers of a dynamic server to be toggled on and off. In my case I want to be able to toggle layers from multiple services. ...
8
votes
1answer
364 views

Will hundreds of attributes cause performance problems in an ArcGIS Server layer?

This relates to ArcGIS Server 10.0 SP1, with data served from a file geodatabase polygon featureclass. 1) For performance reasons, is it a bad idea to have a featureclass with hundreds of attributes? ...
2
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1answer
1k views

How do I change a text box to a text area? (ArcGIS API for JavaScript)

I recently posted this question on the Esri forums and thought I'd give stack exchange a try too. I'd like to take this sample: ...
1
vote
2answers
882 views

Issue with loading zoom slider and info template styling in ArcGIS Javascript API

I have been working on a web app that displays points based on a date query, and an infotemplate pops up when you click on a point. When the user clicks on a point, it retrieves the HTML contents of ...
1
vote
1answer
356 views

How to project the result of a QueryTask in ArcGIS Javascript API?

I have created a web map that displays point features based on a given date range. Our current projection is Oregon State Plane South. My boss wants me to change the map to use a Web Mercator ...
5
votes
1answer
3k views

How to handle add feature event in the FeatureLayer/Editor

I use a FeatureLayer created from the featureCollection. I also use esri.dijit.editing.Editor to add a feature to the map. Every time feature has been added to this layer I want to send it to my ...
5
votes
1answer
2k views

How to change a FeatureLayer's symbols?

I did this: dojo.connect(featureLayer, "onUpdateEnd", function() { var defaultSymbol = new esri.symbol.SimpleMarkerSymbol().setColor(new dojo.Color([0,0,255])); ...
1
vote
1answer
3k views

Feature Layer with ONDEMAND mode

I can't understand how to display all features from the feature layer. In the code bellow I specified 2 features in the layer and set in feature layer's mode to esri.layers.FeatureLayer.MODE_SNAPSHOT. ...
4
votes
3answers
7k views

FeatureLayer creating in javascript ArcGIS API

I got the sample called "Feature Layer with ONDEMAND mode" in the ArcGIS for js resource center. This example just adds layer with rivers to the map. I want to use my own features instead of using ...
1
vote
1answer
626 views

How to query all points within the current map extent

First post - apologies if it's a simple question! I am basically looking to have a JS API service which will populate a datagrid with all of the points visible in the current map extent. As a user ...
2
votes
1answer
1k views

drawToolbar is undefined

I keep receiving the error "drawToolbar is undefined" when I click a button to enable the Draw Toolbar from the ArcGIS JavaScript API. I also have the navTool bar in the map so as I understand I need ...
3
votes
3answers
3k views

Displaying HTML popups for feature service

This bit of information caught my eye today as I was reading about Feature Services in the ArcGIS Server .NET help: Feature services also support HTML pop-ups setup in ArcMap. HTML pop-ups are ...
3
votes
4answers
459 views

Is Javascript/AJAX still supported in ArcGIS 10?

A colleague of mine claims that the ArcGIS Javascript web API is not supported for ArcGIS 10+. I searched their website but all the information seemed to indicate that it should still work. Any ...
4
votes
3answers
8k views

How can I calculate the center point inside a polygon in ArcGIS 9.3?

I'm using the JavaScript API 1.6 on ArcGIS 9.3. I have a polygon geometry in an ArcGIS map, and I'm trying to find a way to get the point that lies in the exact center of the geometry. What is the ...
5
votes
3answers
648 views

Measure Snapping with ArcGIS Javascript API

I would like to know if the ArcGIS Javascript API has built in snapping functionality for the measure tool. I am trying to create a measure tool which only measures distances along the edge of roads. ...
1
vote
2answers
794 views

ToC Context Menu Move Layer Up Down

Similar ESRI arcgis.com can anyone give pointers on how to move layer up/down? And of possible include the context menu. Update:Pardon me, Using Javascript API Cheers, blueRace
4
votes
2answers
2k views

How to trigger a hover event for map graphics in ArcGIS Javascript API?

I want to trigger an event when the user hovers over a geometry that they drew. I know how to set up hover events for DOM objects, but not for graphic elements within the map window.
25
votes
6answers
6k views

What are differences between ArcGIS Web APIs (JavaScript/WPF/Silverlight/Flex)?

Esri currently offers 3 different web API's that can be freely downloaded. Are they all equal? If not, what are the relative strengths/weaknesses of each of these API's?
3
votes
1answer
2k views

Does ArcGIS API support Geoserver's WMS and WFS services?

I want to know whether ArcGIS API for Java Script support Geoserver's WMS and WFS standards. I have published my data on Geoserver and i want to query my data by WFS in ArcGIS API to develope my ...
2
votes
3answers
497 views

How to find wmsURL? And how to use QueryTask method?

I have couple of questions. var wmsLayer = new esri.layers.WMSLayer(wmsURL); with this line of code i can display wms layer over any base Layer. Now From where I get wmsURL ? I have published my ...
0
votes
3answers
2k views

How to access map service from GeoServer and can we use that service in ArcGIS API?

I have installed GeoServer and publish one shapefile on it. Now my question is, How can i access that shapefile from GeoServer? and can i work with that resource (shapefile) with ArcGIS API. As we can ...
3
votes
3answers
4k views

Problems with ESRI JavaScript API

I'm having some problems to get started using the ESRI JavaSript API. I have a test map service published on my notebook but I can't get it to display. I don't have problems with esri hosted services, ...
9
votes
2answers
2k views

Restrict pan and zoom in ArcGIS Javascript API?

I'm creating a web map of a university campus. I have the map functioning, but I don't want to be able to pan off of the basemap, into whitespace. Do you know of a function that will auto-pan the ...
3
votes
1answer
951 views

Interacting with the Map after selecting a button/tool

I am using the ESRI Javascript API 2.0 and Dojo dijits. Does anyone know how to wire up a dojo button (or toggle button) in a toolbar to a mouse click event on the map? I want the user to have to ...
10
votes
4answers
1k views

HeatMap to identify hotspots on cached service from ArcGIS Server?

ArcGIS Server lets you create cached map services. These can be consumed by various applications (ArcGIS Desktop, web apps, etc) I would like to get an idea on which areas of my cache are getting hit ...