The ArcGIS JavaScript, Flex and Silverlight Web APIs offer a feature layer class for working with client-side graphic features. Feature layers are also used in various forms in ArcGIS Desktop, ArcGIS Explorer and other APIs.

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824 views

FeatureClass to IFeatureLayer

I am trying to covert my feature class to feature layer so that i can pass "IQueryByLayer" over my feature class. Till now i have my feature class --- FeatureClass className = new FeatureClass(cc); ...
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1answer
76 views

unable to find “attribute” field in “ClassBreaksRenderer ” class

I am trying to run Map ServerLayer sample given on arcgis resource center.When I pasted the code in my FlashBuilder 4.6 then it is showing error on this line <esri:ClassBreaksRenderer ...
2
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0answers
110 views

Jsonp Callback error

Recently we have started migrating application from Javascript API 3.1 to 3.5 and we are finding this jsonp error coming sometimes during adding the layer.When we add the layer we also zoom to the ...
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2answers
224 views

Polyline will not turn into a feature layer via MakeFeatureLayer_management (arcpy)

I've got a python script that is connecting a sequence of points to make lines (script is based on answers to my previous question). To attempt to make subsequent processing more efficient, I would ...
4
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1answer
89 views

How to select behind feature which is overlapped with the same layer on QGIS 1.8.0

My issue: I received data which was created without "Avoid intersection of new polygon". There a few overlapped feature with the same layer. I could fine overlapped feature by the spatial query. But ...
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0answers
97 views

Does the ArcGIS Flex API simplify polygons by default?

I have a feature access map service that I use on an ArcGIS Flex web application. Some polygons published by the feature service, seem to be "simplified" by the Flex API before they are drawn on the ...
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1answer
155 views

Legend is stuck on startup()

All my layer URLs and Feature Layers are stored in an array. with an foreach loop, I am creating the FeatureLayers from the URLs, dojo.forEach(window.layerUrls, function (info, idx) { ...
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3answers
2k views

Why is it important to use feature layers in ModelBuilder?

I am trying to understand creation of a geoprocess with ModelBuilder, but I don't know why it's important to use feature layers instead of feature classes when creating a geoprocess with ModelBuilder. ...
2
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1answer
167 views

ArcObjects 10/10.1 Get rid of Invalid layer symbol in TOC

I've written an add-in (VS2010, C#) that finds specific invalid feature layers in ArcMap and fixes them. After the layer is fixed, the red invalid symbol still appears in the TOC. An ...
2
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1answer
103 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?
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1answer
468 views

arcpy.mapping Graduated Colors Symbology

I'm trying to figure out how to apply graduated color symbology to a feature class by using arcpy.mapping in ArcMap 10.1. To start, a script runs and a feature class is added to a map document, no ...
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1answer
609 views

Querytask/query - executed select

Is there a way to get to the query condition, which is executed under the querytask ? I have an example, which is actually a copy of this ArcGIS example ...
1
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1answer
283 views

Cannot input new data into FeatureDataForm

I am wanting to update the fields on my server using a FeatureDataForm. I have followed the documentation, but it still does not work. It also does not have the buttons in the form that say 'OK' and ...
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1answer
95 views

Interpreting Firebug results on ESRI Javascript feature layers in the NET tab

This was cross-posted to the ESRI Javascript API forum yesterday. I need help in interpreting what I am seeing and wondering why I'm seeing duplicate features. I'm using this example: ...
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1answer
2k views

ESRI Javascript API: setting feature layer selection symbol

This seems like it should be a relatively simple thing to do, but for whatever reason I can't figure it out. I'm trying to add functionality to select a group of parcels as laid out in this example, ...
1
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1answer
120 views

What ArcGIS Online feature layer can I use to display European states with unique country codes?

I'm writing a web page to display ECB statistics on an ArcGIS JavaScript API-based web map. I'm a bit lost when selecting a feature layer so that I can use the UniqueValueRenderer to make the states ...
2
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2answers
96 views

Can MakeFeatureLayer Object be Passed into ExportReport Function Layer Parameter?

I'm trying to pass an in memory layer object created from a feature class using Code: arcpy.MakeFeatureLayer_management() into the Code: arcpy.mapping.ExportReport() function. It's erroring out, ...
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0answers
423 views

ArcGIS API Javascript - FeatureLayer from json: problem with queries and popup

Hello everybody I've tried this code proposed by Derek Swingley in JSFIDDLE: JSFIDDLE-FeatureLayer from JSON Everything "seems" to work fine, but not always. If you go down to the closer scale (level ...
3
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1answer
325 views

How to control the rendering priority/order of feature layers?

I am displaying polygon, line and point feature layers on a button click event and adding layers in order based on their geometry type, e.g.: polygon -> line -> point. In certain cases layers are ...
2
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1answer
604 views

HTML5 local storage for tile maps and feature layers using ArcGIS Java Script API

I am developing a mobile arcgis application I want to store data locally so that when a user is offline he/she can use the maps. I want to store tile layers,feature layers and a table data. Any ...
2
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1answer
258 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
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1answer
232 views

Feature Layer (Polygon) Rendering issue in ArcGIS Server 10.1

I have a feature layer consisting of 96,000 features, but we are displaying a maximum of 13,000 features in our map application. There is an issue that for some zoom levels the features are visible ...
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1answer
402 views

Unable to see the featureLayer but it is present on the map

I have created a featureLayer from featureCollection and I am able to add it to the map and when I execute, map.graphicsLayerIds, it also returns the id of the featureLayer, ["resultLayer"]. But I am ...
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1answer
901 views

Is there any way to set polygon features fill color and outline programmatically?

By some process I am creating a polygon feature layer. Before adding the layer in the map, I want to set polygon's fill color to no color and set polygon's outline color and width. I am working with ...
4
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1answer
808 views

Feature Service layer issues

What is the maximum number of records returned by WFS protocol? What is maximum number of records returned by a Feature Layer in ArcGIS Server 10.1? What is maximum number of records the ArcGIS ...
3
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1answer
393 views

How to select several disseminate features with ArcGIS JS API?

I have a cadastral map similar to this one from an ArcGIS Javascript API example: Cadastral map What I would like to do is selecting several parcels clicking on them and show the information related ...
3
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1answer
794 views

Feature Layer is not showing the points on the map

I have a simple feature layer. The points will show up if I put the URL in a DynamicMapServiceLayer, but I need to use maptips, so that will not work. Below is my relevant XAML. If you need anymore ...
2
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3answers
887 views

How to count features in polygon using ArcGIS JS API?

I have published in my ArcGIS Server two layers: A polygon one and a point feature one. Points are contained in polygons. I would like to know how to count the number of points belonging/contained to ...
1
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1answer
1k views

Adding layers using ArcGISDynamicMapServiceLayer

I am right now adding individual layers using FeatureLayer but it takes quite some time to load as the map is for US Counties (3076 count). I tried to load it using ArcGISDynamicMapServiceLayer but I ...
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1answer
220 views

Custom Layer Properties

I am coding a custom layer for ArcMap using C#. I want the eleven standard property pages to display for the layer (General, Source, Selection, ... , HTML Popup), when the user selects Properties from ...
1
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1answer
896 views

Unable to removeLayers from Map

I was trying to create a FeatureLayer from the features returned from the ViewShed GP and I was successful at doing it. So when I click on the map, that featureSet is sent to the GP Tool and the ...
0
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1answer
2k views

Feature Layer from JSON file

I would like to project my shapefile information on the maps. I converted my shapefile into a JSON file. How can use the Json file to create a featurecollection object in the ARCGIS Javascript API. ...
4
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2answers
1k views

“TypeError: Unable to draw graphic (geometry:null, symbol:null)” after adding tiled and feature layers

I'm seeing the following error when attempting to add a tiled and feature layer to the same map when using the ArcGIS Server JS API 3.1: TypeError: Unable to draw graphic (geometry:null, ...
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2answers
635 views

Toggle Visibility of Features in FeatureLayer

How to toggle the visibility of features in a feature-layer using check-boxes .I have grid containing check-boxes in a columns representing each feature in Feature-layer and so if I check off the ...
1
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1answer
703 views

Overlaping graphics not visible in featureLayer

I have constructed featureCollection from Json and feature collection has 44 features. I have given this feature collection as input to the Featurelayer which is showing only 32 graphics objects of ...
3
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1answer
3k views

automatic zoom to layer in arcgis js api

I'm trying to zoom to layer automatically as soon as the map finishes loading using the guide here. To be clear, I'm only loading one layer and just want to zoom in on one of the layers provided by ...
21
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5answers
10k views

What is difference between map layer and spatial dataset (e.g. feature class, shapefile)?

This may be very trivial question. To me they seems very similar in concept. What is the difference between feature class and feature layer?
0
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1answer
930 views

Creating an AttributeInspector via JavaScript API v2.7

I'm trying to display an AttributeInspector when I click on an object from a layer. I'm following this sample, but I cannot get it to work. Here is my sample code: dojo.require("esri.map"); ...
2
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1answer
1k views

ARCGIS Javascript API Feature Layer retrieval

I would want to develop an application where we could query the layer based on a result set of certain attributes of the features and highlight features. Approach Currently I tried using the feature ...
4
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2answers
5k views

Adding a FeatureLayer ARCGIS JavaScript API

Hi I am currently exploring ARCGIS Javascript API. I have my own map services and feature services up on my local server. I would want to use the FeatuerLayer to select and highlight feature on the ...
3
votes
1answer
834 views

How do I use a toggle button with the ESRI javascript api

I am trying to use two toggle buttons which have been added to a map to toggle layers on and off in my simple web application. I am having problems getting the toggle button to respond when clicked or ...
4
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0answers
3k views

Populate an existing popup with an AttributeInspector after RelationshipQuery returns results

Here's the workflow: A user selects a feature layer polygon, views a popup. A link added to the popup will run a RelationshipQuery to view related records. How can I get the RelationshipQuery results ...
3
votes
1answer
6k views

How to Zoom to a FeatureLayer Using ArcGIS Javascript API

I am making a web application using the Javascript API and am trying to zoom to a feature layer from a row click in a dojo data grid. I have this working for a dynamic layer, but am having issues with ...
2
votes
1answer
1k views

How to vary the infoWindow size for different feature layers

I have multiple feature layers on the map, and I wish to display a different sized infoWindow for each layer. As far as I can tell, the map has one infoWindow, which can be resized using: ...
3
votes
0answers
2k views

Choosing between Dynamic layers and Feature layers [closed]

I'm building a client using the ArcGIS WPF libraries, that's displaying my entities on a world map. I'm using an ArcGISDynamicMapServiceLayer to display the geographic and topographic base map, and ...
1
vote
1answer
234 views

Does a graphic or graphicsLayer support time-awareness?

In the ArcGIS Server JavaScript API 2.6 I'm looking to implement map graphics. I can't see whether they support time-awareness. The help entry for graphicsLayer doesn't mention timeInfo, which is ...
2
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0answers
121 views

Proper disposal of layers

I have a group layer. Its purpose is to show feature layers over a base map. Those feature layers are logically grouped into categories and we provide the ability to add/remove whole categories ...
2
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2answers
1k views

Populating a Dojo widget with country names based on an ESRI hosted layer

Wow, Javascript is not that easy - can someone help me make a simple breakthrough just to understand some basic concepts. Does anyone know how to populate a filteringSelect Dojo dijit with the names ...
9
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4answers
977 views

what is the right way to delete all features from featureLayer

I have a featureLayer and I don't want to kill it and create another one. I want to delete all features from the current featureLayer. I found that I can use applyEdits method but in order to use it I ...
8
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1answer
347 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? ...