Questions tagged [feature-layer]

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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37
votes
6answers
37k views

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

What is the difference between a feature class and a feature layer? To me they seem very similar in concept.
5
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3answers
3k 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 ...
10
votes
1answer
5k views

Difference between Make Feature Layer (Data Management) and using in_memory workspace?

I was wondering the difference is between Make Feature Layer (Data Management) and using an in_memory workspace? To me, one can use either to do some steps in memory, instead of writing data to a ...
9
votes
3answers
9k 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. ...
4
votes
1answer
7k 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
2answers
365 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, ...
3
votes
1answer
139 views

Ensure model runs from a specific layer?

I have some models for various routines but I really want them to run on a specific layer. I don't want to be able to run the model with any input layer as if done so by accident it can mean crashing ...
2
votes
1answer
399 views

Creating buffer around features using GeoTools?

I want to develop a simple GIS application using GeoTools. I have looked at the tutorials but i could get to much meaningful from them. I have a simple JMapFrame to which add can add a featureLayer ...
5
votes
1answer
9k views

how to allow null values in a feature-layer

I'm using ArcDesktop 10.2. I have 30 x,y locations that have 20 fields of numeric data, stored in an Excel spreadsheet. Some cells have no data, and I want those cells to be represented as null values ...
7
votes
2answers
2k views

Using FeatureLayer as pure client side query in ArcGIS API for JavaScript?

I've created this wrapper around feature layer where I create the empty feature layer as is in the API help page : new FeatureLayer(featureCollectionObject, options?) providing the first ...
6
votes
4answers
12k 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 ...
6
votes
1answer
2k views

Using toggle button with ArcGIS API for JavaScript?

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 ...
10
votes
5answers
3k 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
2answers
11k views

Adding a FeatureLayer ARCGIS JavaScript API

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 map. ...
4
votes
1answer
4k 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 a ...
4
votes
0answers
3k 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 I'...
3
votes
1answer
611 views

ArcPy inconsistently accepts SQL queries for MakeFeatureLayer or SelectLayerByAttribute

I need to buffer a subset of features in a particular feature class. To do this, I am first creating a feature layer (using a SQL query to select only what I want), and then running Buffer. So my ...
3
votes
3answers
3k views

How to count point features in polygon using ArcGIS API for JavaScript?

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
1answer
5k 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
1answer
3k views

Overlaping graphics not visible in featureLayer?

I have constructed a featureCollection from JSON and the feature collection has 44 features. I have given this feature collection as input to the Featurelayer which is showing only 32 graphics ...
1
vote
2answers
584 views

ESRI JavaScript FeatureLayer constructor makes graphic geometry null in featurecollection object

I'm pulling point data by lat long from my SQLServer database via webservice and creating a JSON FeatureCollection object as the webservic response. When I attempt to create a FeatureLayer from this ...
0
votes
1answer
134 views

Adding data to a feature layer on ArcGIS Online using arcrest and arcresthelper.featureservicetools?

I'm attempting to automate some web map updates on ArcGIS Online through the use of the arcrest module. The following two methods are intended to act as the interface between local data sources and ...