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.

learn more… | top users | synonyms

21
votes
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?
9
votes
4answers
974 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
votes
1answer
346 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? ...
7
votes
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. ...
5
votes
1answer
195 views

What is the difference between 'Make Feature Layer (Data Management)' and using 'in_memory workspace'?

I was wondering What is the difference between 'Make Feature Layer (Data Management)' and using 'in_memory workspace'? to me, one can use either to do some steps in memory instead of writing data to a ...
5
votes
1answer
1k 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])); ...
5
votes
3answers
260 views

How to visually sort the order of Points with QGIS, GDAL, …?

The following Points layer is the basis of a rendering in a Android application. Android allows to draw a shape from the provided points. I cannot use LineStrings. However, the order of points ...
4
votes
1answer
805 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 ...
4
votes
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, ...
4
votes
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 ...
4
votes
1answer
2k 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 ...
4
votes
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 ...
4
votes
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
3answers
5k 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 ...
3
votes
1answer
390 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
votes
1answer
790 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 ...
3
votes
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 ...
3
votes
1answer
830 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 ...
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 ...
3
votes
0answers
81 views

Filtered SimpleFeatureCollection really slow on Map and other operations

I'm working with a shapefile having about 85.000 features. I need to select some of these using a filter and then showing these on a map. Now... If I draw the entire shapefile's features the creation ...
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 ...
2
votes
3answers
879 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 ...
2
votes
2answers
94 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, ...
2
votes
1answer
231 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 ...
2
votes
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
votes
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?
2
votes
1answer
204 views

Using more than one graphics layer with a FeatureDataGrid

I am wanting to use the FeatureDataGrid to display data. The problem is I have more than one layer that contains data that needs to be displayed. This is how you use the DataGrid for one layer: ...
2
votes
1answer
320 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
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: ...
2
votes
1answer
602 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
votes
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 ...
2
votes
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 ...
2
votes
0answers
109 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 ...
2
votes
1answer
255 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
120 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 ...
1
vote
5answers
241 views

Only Capability appearing is Feature Access

I was wanting to know if anyone could explain why the only capability showing when I try to publish an ArcGIS Service is Feature Access (Picture Below). I am needing to create a service that will ...
1
vote
1answer
895 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 ...
1
vote
1answer
69 views

How do you set up XY Event Layer Parameters on ArcGIS Script Tool? (asking for user input)

I've made the XY Event Layer work through python script, but can't get it to work correctly as a python script tool on arc, asking for user input. Does anyone have any suggestions? This is the script ...
1
vote
1answer
120 views

Need iterator help in create near feature script

I'm having two specific problems with this python script I'm developing. Background: I am trying to generate near_tables from fc's stored in fgdb, join the near table back to target feats, and save ...
1
vote
1answer
765 views

Can Arcmap 10 do change detection?

I have an assignment to find out changed areas of the two different maps (2000 and 2010) by using Arcmap 10. Is it possible to use it?
1
vote
2answers
223 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 ...
1
vote
1answer
463 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 ...
1
vote
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 ...
1
vote
1answer
886 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 ...
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 ...
1
vote
1answer
2k 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. ...
1
vote
2answers
79 views

Get IFeatureLayer from ILayer using ArcGIS Engine?

I try to select object from layer by name. I think i found sollution here. First problem i got is that i use GroupLayer. So i made research how to get subLayer from GroupLayer. Sollution is here. Now ...
1
vote
1answer
173 views

ArcGIS JavaScript API Select Features

I'm having some trouble using the "selectFeatures" method with a feature layer. The code below builds a query using input text. If anyone has any pointers on what I could be doing wrong here, it'd be ...
1
vote
1answer
77 views

How to create feature layer in Google Maps? [closed]

In ArcGIS we have the ArcGIS Online portal kind of application where we can create a feature layer. Is there any application where I can maintain the feature data in Google? Or how we can do this in ...
1
vote
1answer
34 views

Export layer with symbology with open-source tool

Similar to ArcGIS's "Layers", and "Layer packages", are there any open-source analogs? If I have a PostGIS table opened in QGIS (or GRASS, etc.), can I export it WITH the data, as well as with a ...