The ArcGIS API for Microsoft Silverlight™/WPF™ lets you create internet and desktop applications that utilize the mapping, geocoding, and geoprocessing capabilities provided by ArcGIS Server and Bing™ services.

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23
votes
6answers
4k views

ArcGIS Web APIs: What are the differences?

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?
21
votes
6answers
2k views

What is future of Silverlight with ArcGIS Platform?

At the September 2011 Build Conference, Microsoft said a lot about Windows 8 and the Future of JavaScript over Silverlight. No Plugins wanted!! JavaScript with html5 ftw! What is the future of ...
12
votes
3answers
1k views

What is the future of ArcGIS web development ? Is it JavaScript and HTML5? [closed]

I want to know about the future of ArcGIS web development; is it HTML5? I used to work with ArcObjects and .NET Web ADF so what is the best technology I must follow, especially when I know that ...
7
votes
2answers
491 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 ...
6
votes
4answers
914 views

Consideration for a Good Silverlight based mapping application

I am starting to work on a Silverlight 4 based web mapping project using latest ArcGIS Server API. The application will involve multiple map services (for many themes) with selection, queries, and ...
5
votes
2answers
1k views

How to convert NAD 27 to WebMercator in using the ESRI Silverlight API? (C#)

I am working with the ESRI Silverlight API. I found THIS post in the ESRI forums and THIS OTHER which show how to convert between WGS84 geographic coordinates and WebMercator coordinates. I want to do ...
5
votes
1answer
1k views

Spatial Reference is null in ESRI Silverlight Map

I am using ESRI's Silverlight API to display a map with one dynamic layer. Occasionally (not always), when that layer is initialized, the SpatialReference attribute will be null. I'm not sure why ...
5
votes
2answers
268 views

What is a good method for serving many static map layers through ArcGIS Server 10?

I'm writing a Silverlight app that consumes some map services from ArcGIS Server 10.0 SP2 and I have about 15 layers of historical imagery I would like to give the user access to. This imagery ...
5
votes
1answer
715 views

ArcGIS Intersect using Geometry Service

I am using the intersect service from the ArcGIS Geometry service. referring : http://help.arcgis.com/en/webapi/sil....htm#Intersect I have modified it to make it work with polylines it works fine to ...
4
votes
2answers
746 views

Force ESRI Silverlight Navigation control to adhere to tile cache zoom levels?

Is it possible to force the Silverlight Navigation control to stick to the zoom levels associated with a particular tiled map service? The map tiles don't look very good when the images are being ...
4
votes
1answer
388 views

Performance of Picture Marker Vs Character Marker (font)

We have a point data type to symbolise. The feature classes can often contain more than 6000 points up to 20000. There are about 30 different symbol catergories to these points. My question is ...
4
votes
3answers
1k views

How to create a Chart in Silverlight that is bound to Layer in the Map?

I have a simple Silverlight Application that has a Map control that shows a ESRI Tiled layer service and a Dynamic Layer service. The Dynamic Layer service is just called "Wells" and it has a "Date" ...
4
votes
1answer
150 views

Consuming ArcGIS Server map services from WCF

I am consuming some map services in my WCF services and for each service that I have I get the client object via this code. Every new service that I add, I get the client object this way. I am curious ...
4
votes
0answers
631 views

How to use Route Task in Network analysis tools

I am using esri network analysis tool and I just want to draw the path between two clicked point on the map (by using route task) I use the example code block in the following link ...
4
votes
0answers
922 views

FeatureLayer SaveEdits failing

I've created a layer which I have bound a DataFeatureForm. Everything is working hunky dory, up to the point where I try to call the layers SaveEdits method in the EditEnded event. When I call this ...
4
votes
1answer
711 views

How to fix JSON error in Silverlight Application?

I am trying to run a simple Silverlight application based on code provided by ESRI at this link (Silverlight Samples). My app works fine if I just use the TiledLayer but if I add the Dynamic layer ...
3
votes
3answers
759 views

Should I start a new project using the Silverlight API?

I'm about to start a new mapping project for a client, and am considering using the ArcGIS Server Silverlight API, since it gives a lot of the required functionality out-of-the-box (especially with ...
3
votes
2answers
182 views

ArcGIS Server: Better to have one massive map service or multiple smaller services?

I have a Silverlight application that consumes around 30 map service layers at different types. The service layers are categorized based on type and only applicable to certain screens of the ...
3
votes
2answers
620 views

Way to Ensure that the Image Centroid is Within Image Bounds

My application uses the ArcGIS Silverlight API to select polygons from a map layer. It uses the Geometry.Extent.GetCenter() method to get the centroid of the shape and add a thumbtack image at those ...
3
votes
1answer
532 views

Is it possible to find the Map Services URLs used in ArcGIS Flex or Silverlight web applications?

With the ArcGIS Server JavaScript API, you can find the URLs in the map services in the source code. Do the Flex and Silverlight APIs completely obfuscate the map services URLs? As an example, the ...
3
votes
2answers
977 views

Geoprocessing ArcGIS 10: Sending lat/long/elevation data to a geoprocessing service

I have a silverlight application that allows the user to select points to make a polyline. The polyline is densified per the users input (say every two feet). The new points are sent to an esri ...
3
votes
2answers
556 views

How can I draw Google Fusion Tables on an Esri Silverlight Map?

I've been asked to add drawing support for Google Fusion Tables to an Esri Silverlight map application. For example this one showing Full-Year Stream Temperature Monitoring Sites for the Western US. ...
3
votes
1answer
719 views

Adding WMS Service for Silverlight Viewer

Is there a way to add a WMS image service in basemap gallery?
3
votes
3answers
1k views

esri draw graphic at a fixed screen coordinate

I am using ESRI silverlight. I have graphic objects on the screen and each graphic object has an attached silverlight label. What I want to do is to have each label shown at a fixed screen (pixel) ...
3
votes
2answers
218 views

How to return feature.shape from server by using WCF and ArcGIS Silverlight API?

I am using the ArcGIS Silverlight API. I all I need to do is to get the geometry from a feature by objectid to zoom to it: getFeature(objectid); So I used WCF service to get the geometry but I ...
3
votes
1answer
749 views

Displaying information on a map using an InfoWindow

I am wanting to display information in an InfoWindow when the user clicks on a point on the map. I have implemented the InfoWindow in XAML, but I do not understand the code behind it. Any information ...
3
votes
2answers
3k views

Draw a circle in ArcGIS map

I have Center point(Latitude,longitude) for a place and radius. How to draw a circle/polygon on an ArcGIS map using Latlong and radius(also need WKT string). I am new to ArcGIS & do not have much ...
3
votes
0answers
300 views

Create annotation features programatically

I am using the ESRI Silverlight API for my application. For points, polylines and polygons the Editor class combined with feature layers works great. But it looks like I have encountered a problem. My ...
3
votes
0answers
955 views

Map printing using ArcGIS silverlight API

I am using a GP task to print my map and its legend. Well it works fine. But it is really slow. Also I am not able to print the route event layer that I create. It does not show on the map. Please ...
2
votes
2answers
436 views

Improving Map service performance

I have a map service that has more than 60 data layers. For faster performance, I have separated the data with daily updates as a dynamic service. I still have a map service that base data (50+ ...
2
votes
3answers
369 views

Esri Web side and Silverlight

I am experienced on Esri gis desktop and engine development.But i want to learn about the web side.Where should i start ? There is noone to teach me where to start.Is it as difficult as desktop and ...
2
votes
2answers
756 views

ArcGIS API JavaScript, Flex, and Silverlight updated comparision

Does anyone know of a site, blog, etc. that constantly updates a comparison between the various ArcGIS APIs for each new release of the API?
2
votes
2answers
2k views

How to define layer's URL programmatically? (ESRI Silverlight API)

I have defined a simple tiled map service layer: <esri:ArcGISTiledMapServiceLayer x:Name="BaseMap" ID="BaseMap" Opacity="50" Initialized="MapServiceLayer_Initialized" ...
2
votes
2answers
556 views

How to expand Map to extent of browser?

Simple question on my Silverlight Application. How can I expand the Map to full extent of browser no matter the size of the browser? -Thanks for any help.
2
votes
1answer
311 views

c# How can I get the spatial reference of a ArcGIS layer?

I m using the following c# code to add my layer dynamically on a arcgis silverlight application: ArcGISDynamicMapServiceLayer mylayer = new ArcGISDynamicMapServiceLayer() { ID = layerName, Url ...
2
votes
1answer
208 views

How to change network analysis settings in a service from a web app

I'm a total n00b with ArcGIS Server, so I'd like to know if I publish a network analysis service using ArcGIS for Server, will the user be able to change analysis settings as one would in ArcMap e.g. ...
2
votes
1answer
238 views

How can i set layers name from map to combobox?

I'd like to list map layers from map into combobox. I tried to set itemsource of combobox to: ItemsSource = "{Binding ElementName=Map, Path=Layers}. It does not list the layer names. It just lists ...
2
votes
1answer
206 views

Problem using ArcGIS API for Silverlight

I've install Visual Studio 2010 SP1, Microsoft Expression Blend 4, and ArcGIS API 3.0 for Silverlight. When I create a new project using a standard map application in Visual Studio, I see the error in ...
2
votes
2answers
444 views

Importing ALOHA plume .pas file in ArcGIS Server web API application

I want to import a .pas file (ALOHA plume file) in ArcGIS Server web API application (JavaScript/Silverlight/Flex). Has anyone tried this before? I am looking for some directions to achive the same. ...
2
votes
2answers
1k views

Problem in loading the legend of MapServer in ArcGIS

I have published a mapserver on my ArcGIS Server 9.3. I am developing a silverlight application using ArcGIS Silverlight API. Now I can load my map into my application and also the list of my layers ...
2
votes
1answer
115 views

Should the import of local spatial vector files in different formats be handled Server side?

I'm working on a Esri Silverlight Web API app and wondering the best way to handle the import of local spatial vector data files. Sometimes these will be your standard shape file but often these will ...
2
votes
1answer
526 views

Get map service info ESRI silverLight

Been using Esri JavaScript for a while but just started trying out the silverlight API but things are not going smoothly! Tasks that I used to accomplish easily with Javascript is now proving ...
2
votes
1answer
626 views

How do I disable Mouse Wheel zoom functionality in ArcGIS Silverlight?

I have an ArcGIS Silverlight app with a Map object. It containes an ArcGISTiledMapServiceLayer and a GraphicsLayer. We've written a custom measure tool for adding in a point at an offset on the ...
2
votes
1answer
523 views

Filter features with multi-table joins in ESRI Silverlight/REST API

We have a rather involved data warehouse (SDE 9.3.1 / Oracle 11g) that contains a single related point feature class. Our (analytical) application should allow users to construct complex, ad hoc ...
2
votes
0answers
33 views

How to show coincident point with different symbology in webgis?

our team have develop an webgis using ArcGIS silverlight API 3.1 .we have some points in database.These points are save in a table in sql server 2008R2 not in Geodatabase.The points have same ...
2
votes
0answers
128 views

Issue with 'ESRI.ArcGIS.Client.Geometry.Geometry' in WCF service

I am having this issue with using Geomtry that is returned from a WCF service. As part of the service, I have added a service reference for the map service that I am using in this project. I am trying ...
2
votes
0answers
110 views

What does “Error: Layer not found: -1” from ArcGIS Silverlight API 2.4 mean?

We are using ESRI SL 2.4 API- and our application has one dynamic service and one feature layer. Only few of the users getting below error, not sure whether this is issue with Microsoft sliverlight ...
2
votes
0answers
246 views

How to program select by attribute unique values using ArcGIS silverlight API?

I'd like to create a select by attribute window in my webGIS using silverlight api . this is like select by attribute in arcgis desktop . i create select layer combobox ( cbolayers)and select fields ...
2
votes
0answers
542 views

Using labels/attributes from arcMap to display information

I am wanting to take the labels/attributes that are used in arcMap and display them in an InfoWindow when the user clicks on the map point. I really have no idea where to start on this so any help ...
2
votes
0answers
179 views

How to make a dynamic animated movement for the graphics on the Silverlight website?

I have some graphic points in one graphicLayer on the map and I want to move their positions to the new places every 5 seconds based on some criteria. And these movement can be visualized dynamically ...