Tagged Questions

The ArcGIS API for Flex is a web mapping API for Flex developers.

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22
votes
6answers
2k 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?
9
votes
3answers
434 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 ...
8
votes
2answers
1k views

What are the pros and cons of using the ArcGIS Viewer for Flex vs. creating your own GIS application vs creating your own framework?

Simple question, but perhaps hard to answer. I have broken the title question into three distinct questions in order to clearly identify what we are considering for options each time we build an GIS ...
7
votes
2answers
457 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
3answers
2k views

Making Table data available to a map service

I am trying to make a non geographic table available to a map service. I thought you simply added the table to the MXD and publish it with a relate to the field they were linked and then publish the ...
4
votes
3answers
2k views

Arcgis server not showing map service

I have a map service enabled in my server and have kml and wms as well as mapping and feature access capabilities turned on. I can view the wms in qgis, I can veiw the kml in google earth. However ...
4
votes
2answers
353 views

google earth profile used in mashup or flex

I really like the way google earth profile works, 1. mouse over line, right click, select profile 2. slide the mouse over the created 3d profile an dsee where that is on the map. Has anyone an idea ...
4
votes
1answer
443 views

How do I find the resolution of a scale range from the Arcgis Server REST services?

What's the best way to determine a LOD's resolution from the esri REST API? Currently, I make a request for a specific extent to the server from the flex api, and from that I divide the width of the ...
3
votes
1answer
289 views

How to check if layer is time enabled?

I want to be able to loop through the layers in my map, and return the names of layers that are time-enabled. I understand that I will need to check TimeInfo and this could be enabled on a dynamic, ...
3
votes
6answers
319 views

Drive Times issue with Rendering Graphics

I am trying to consume the Esri Drive times geoprocessing service within a Flex application, based around the v2.2 Flex API. I have seen the sample on how to do this. - However, mine is a bit more ...
3
votes
1answer
404 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
1answer
683 views

Consuming an asynchronous Geoprocessing service in ESRI's Flex API

I have been trying to consuming my own asyncronous Geoprocessing service using ESRI's FLEX api, but i am either doing something dumb, or there is some trick involved in getting the results out. Since ...
3
votes
1answer
558 views

Workaround for Raster data input in ArcGIS Server Geoprocessing Service

UPDATE I have accomplished the Python script, but only tested in desktop environment, i.e. ArcMap. #Import ArcPy site package module import arcpy from arcpy import env from arcpy import Extent from ...
3
votes
1answer
150 views

How to use 931 GP service with v10 Map Services?

Pinched the code from this profiler sample. Having some trouble setting it up with my custom Esri Flex application. My Flex application is using the Web Mercator Aux Sphere WKID and is using v10 map ...
3
votes
1answer
444 views

How to create mapping application with user input to dynamically weight/shade map layers

Does anyone know of any examples of web-apps that allow user-input to change variable weights used to calculate symbology? My organization is looking to build a dynamic mapping application and while ...
3
votes
2answers
561 views

Measure the Length of a Line on a Map after a MOUSE_MOVE Event

One of the actions a user can perform using the ESRI Flex Viewer application is to draw a shape on a map (e.g. a line). Once the user is finished drawing the line, they will double-click the mouse ...
3
votes
2answers
735 views

Setting the map projection in the flex API to an overlay layer

I'd like to use a basemap containing world map data as a backdrop to some point and outline data that I'm hosting in ArcGIS server in the ESRI Flex API, but I would like the map control to share a ...
3
votes
1answer
245 views

How can I set a layer visible dynamically using Flex Viewer?

I have a set of layers in operationallayers tag in my Flex Code connected to ArcGIS Server 10, and I want to make them visible dynamically in a ComboBox Change Handler. Is it possible? Thank you
3
votes
1answer
294 views

Disaggregating multiring polygon for editing, then recombining

BUMP? We have many rows of multi-ring polygons, displayed on a Flex front end. We need to be able to select a polygon (a row), split the rings for editing, edit them, then combine into one polygon ...
3
votes
1answer
213 views

ESRI Flex API - Dealing With Graphics Layers in Polar Regions

I have developed a Flex app that incorporates a number of geo-processing functions. The Base Layer of this app is the standard ESRI World Imagery in Web Mercator coordinate space. One of these ...
3
votes
1answer
253 views

Different data formats for the same graphic in Flex application

I have two ways to display an InfoWindow with the attributes of a graphic. The first is using a IdentifyTask to return the graphic and the other gets the selectedItem of a Datagrid (rovGrid) and using ...
3
votes
2answers
974 views

ArcGIS Viewer for Flex - multiple feature services

I have two operational feature service layers in the flex viewer config.xml file, when I try to load both layers I get this error: Office Locations layer failed to load: Fault code: 500 Fault ...
2
votes
1answer
38 views

Do FeatureLayers reproject their features to adapt them to the map projection?

I'm working with the ArcGIS Flex API. For example, ArcGISDynamicMapLayers do reproject their data in order to make it in the same projection as the map. Do FeatureLayers have the same behaviour?
2
votes
2answers
166 views

How to set minimum and maximum scale?

I have several layers on my map. I need to set minimum and maximum scale level to prevent zooming. What's the best way of implementing it? Thanks
2
votes
2answers
77 views

How can I disable snapping on one feature layer, among many feature layers on the map?

I'm using ArcGIS Flex API 3.1. I'd like to know if it is possible to choose the layer(s) on which I can snap the graphic I'm moving. Currently, when I activate snapping, my graphics are snapped on all ...
2
votes
2answers
1k views

Loading Shape file in flexviewer 2.2

I want to load Shape file in Flexviewer 2.2 Any sample would help a lot. Thanks
2
votes
1answer
178 views

Autocomplete against geocode.arcgis.com?

I have built a tool that allows my users to perform geocode requests against the World Geocoding Service provided from Esri. I would like to extend my tool to have an autocomplete feature, similar to ...
2
votes
2answers
324 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
1answer
327 views

ESRI Flex Viewer 2.4 - Changing Widget Title At Runtime

I have an "About" widget which displays information about the current active widget in my Flex Viewer app. I am trying to update the About widget's title accordingly. For example, if 'Super Fancy ...
2
votes
2answers
456 views

Composite Symbol in FlexViewer 2.2

I have two questions regarding picture marker symbol in flex viewer: How can I make a composite symbol so that users can re-size and drag it. Any example code could help a lot. I have three symbols ...
2
votes
1answer
463 views

Geometryutil, simplify polygon, querytask and query fault error

One of the tools in my app is to draw freehand polygons (counties) to show points (companies) in each county. Everything works great but if the user creates an intersecting polygon then I have a ...
2
votes
1answer
80 views

Is there an out of the box Flexviewer set up for a Flex Mobile Project?

Question: Is there an out of the box Flexviewer set up for a Flex Mobile Project? Background: I could just create a Flex Mobile AIR Project from one the samples that ESRI supplies, but that would ...
2
votes
1answer
145 views

Map Service Update - clearing browser temp files

I'm noticing whenever I make a change to an ArcGIS map service (add layer, remove layer...etc) I always have to clear server cache and my internet browser temp files in order for my flex viewer app to ...
2
votes
1answer
125 views

Custom JSONDecoder for ID Task Result, ESRI Flex API

The problem: When the ESRI API decodes a response from the identify task, there is a few second lock in the Flash application which is due to the decoding of the results. I have used chunk parsing ...
2
votes
1answer
123 views

Modifying the Score text in the Locate Widget of Flexviewer 2.4

I want to add text where it says "score" to make it more clear that this is an address matching score. I am using the LocateWidget_US.xml and do not think I can do it here. I think the place to do ...
2
votes
3answers
723 views

Do pop-ups really work in Flexviewer 2.4?

I am trying to configure pop-ups using this code: <layer label="Lansdslide Layers" type="dynamic" visible="true" alpha=".75" ...
2
votes
3answers
259 views

Using the excludelayer tag in Flex 2.3.1 with a cached service

I'm working on our first Flex server page using the Flex Viewer 2.3.1. The Legend widget works, but I cannot get the excludelayer tag to work. Here's where the problem probably is - it's a cached map ...
2
votes
3answers
566 views

Displaying operational layers in the overview map

Does anyone have the code to display an operational layer within the overview map?
2
votes
1answer
91 views

How can I select features by map clicks

I'm developing a flex web application using the ArcGIS flex API 3.1. I have a map with a polyline feature layer. I'd like to be able to select polylines from the map by clicking on the features on ...
2
votes
0answers
86 views

How to login arcgis secure service in Flex using 2.5 version?

I know, that I can use IdentityManager class to show login+password form for secured services. But it's available in version 3.0, and I'm using 2.5. How can I provide access for secured service in my ...
2
votes
1answer
108 views

How to convert a String variable to a Raster datatype using Calculate Value

I have a GP service I would like to consume in a Flex application, but one of the input data types can be a raster. ArcGIS Server does not support a raster data type as an input parameter, but ...
2
votes
0answers
1k views

How to zoom exactly to a desired scale in Flex?

I am using ArcGIS API for flex 2.4 with ArcGIS server 10. I am trying to write the widget where user can define the map scale (type it in text box) and it will zoom to that scale. I successfully ...
2
votes
1answer
287 views

FlexViewer 2.1 - Add scroll for widgetgroup

I have a site that is using the ArcGIS Viewer for Flex version 2.1. In the header I have a widget group that contains 25 items. The list is so long that it goes beyond the bottom of the browser ...
2
votes
0answers
350 views

Extending Identify widget and connect it with Legend widget

Sorry if its a ver basic question but I am new in Flex, so I'll appreciate your help. I am using latest Flex Identify widget and I have created my own legend widget. What I am trying to do is, when ...
2
votes
2answers
796 views

Using Flex to display single rasters from raster catalog in ArcSDE/ArcGIS server

One of the front end develoeprs here is having issues displaying, or working out how to display a single raster held in a raster catalog in ArcSDE using the Flex 2.2 API the Raster Catalog holds ...
1
vote
3answers
54 views

How can I send a parameter with a RouteTask and get it back in RouteResult

I'd like to send a parameter with the Route Task and be able to get that same parameter in the RouteResult object. The goal is to be able to recognize the routes I receive from the server when I ...
1
vote
2answers
414 views

KML and Spot and Swipe widget in flexviewer 2.2

I found the KML widget for Flex viewer but I was not able to make it work properly. Can anybody have any link for that. I came across SPOT and SWIPE tool code, but the links to download the code ...
1
vote
1answer
441 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?
1
vote
2answers
330 views

Replacing header in Flexviewer

Will the index.html swf need to be re-compiled in order to embed the flexviewer app in between a html header and footer wrapper? Or it this perhaps handled in the HeaderControllerWidget.mxml?
1
vote
3answers
2k views

ArcGIS Viewer for Flex - adding operational layers

I am new to Flex Viewer and am currently trying to view my Map Service that comes from remote Arc GIS Server over the Internet. All parameters in the config.xml file are set up as default (I made no ...

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