In ArcGIS, a collection of geographic features with the same geometry type (such as point, line, or polygon), the same attributes, and the same spatial reference.

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28
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5answers
19k views

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

What is the difference between feature class and feature layer? To me they seems very similar in concept.
10
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4answers
4k views

How to extract the number of vertices in each polygon?

I have ArcGIS Desktop 10.2 and my challenge is how to extract the of number vertices in each polygon for all features like this: I have many parcels in my feature class and I want to extract ...
8
votes
3answers
5k 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. ...
7
votes
5answers
3k views

What is hierarchy (object model) of features in ArcGIS?

I'm new to GIS. My understanding of shapefiles is that they are (contain?) featureclasses, that contain features (points, polylines, polygons). Is there a clear hierarchy for these files. Would the ...
7
votes
2answers
266 views

Best Practices for Tracking Feature Changes and Supporting Documentation

In my organization, it is very important that we have documentation from an authoritative source to support every feature that we add to our data and every edit that we make to each feature. ...
7
votes
1answer
325 views

Is it possible to localize ArcGIS Feature-Classes?

I wondered if it is possible to translate an ArcGIS feature-class into different languages? For example I want to translate the Fields of the class and then add the data for the defined languages. I ...
6
votes
3answers
598 views

What is the best practice for editing feature class?

I am working with some feature classes. I create those feature classes using my add-in. User can add/ delete features from these feature classes clicking on "add", "delete" buttons and selecting ...
6
votes
3answers
299 views

Is the filename of a shapefile the same as its Feature Class name?

This is a very basic question, but I'm not finding the answer on Google or here... I have a bundle of files I have to submit in an incredibly specific format. Our sub-consultants gave us a set of ...
6
votes
1answer
131 views

How to export ArcGIS feature class to Waze?

I've got a geodatabase containing a local municipality road system. I'm looking for a way to export it into Waze in order to improve Waze existing road system. The only way I found so far is to edit ...
4
votes
2answers
2k views

How to programmatically work with featureclasses from multiple geodatabases?

I have produced a Python script which creates multiple buffers of specific (listed) feature classes within a geodatabase. This is achieved by running each feature class through a for loop. I would ...
4
votes
3answers
2k views

How to create a geodatabase feature class using a geodatabase table schema with ArcPy?

Is there a way in ArcPy to create an empty polygon geodatabase feature class that will acquire the schema of a geodatabase table? I know that it's possible in ArcCatalog (New -> Feature Class and ...
4
votes
2answers
1k views

How to efficiently check for feature overlaps with Arcpy?

In an effort to reduce processing time, I am looking for ways to pre-process data within my script. I have ~18,000 featureclasses with ~500 features each (all simple circle polygons) from which I want ...
4
votes
1answer
297 views

How to make two feature layers congruent using ArcGIS for Desktop?

I have two feature layers (polyline/polygon) which should be congruent but there's an offset of about 220 meters. The Georeferencing tool only works with raster layers. How do I do the equivalent ...
4
votes
1answer
177 views

How to access the feature extent of a feature class using arcpy?

How can i access to feature extent of a feature class and change the extent using arcpy ?
4
votes
2answers
621 views

How to upload polygon data for appending to a geodatabase via a JS API web application

After a many hours of research, I am having a hard time determining the feasibility of an application I am trying to build. Basic proposed functionality is: user logs in, uploads polygon (either ...
4
votes
3answers
774 views

How to add XY coordinates (latitude/longitude) to a DEM raster in ArcGIS 10.1

I would like to add xy coordinates of about 10 sites to a raster. I am using ArcGIS 10.1 and my xy coordinates are on Access 2013 database - saved as .mdb. The steps I have taken so far: 1) In ...
4
votes
1answer
145 views

end execution of script and send email if schema has changed

I would like to append the data from one feature class to another after confirming that the schemas match in both feature classes. I can append the data from one FC to another by using this simple ...
4
votes
1answer
1k views

Is there a faster way to get unique values for a given FeatureClass in ArcObject?

I'm trying to count rows by unique values for a given FeatureClass. I'm using DataStatistics to get the unique values for a specific column for a given FeatureClass. This seems to be (very) slow with ...
4
votes
1answer
210 views

Remove duplicate feature based on Condition

I have a line dataset that was produced from ModelBuilder (not built by me) that involves splitting lines into individual segments using existing Point dataset in between as the split zone. However, ...
3
votes
3answers
216 views

Can a feature class be stored as a shapefile?

This is a general question about how a feature class is stored or can be stored using python/arcpy. Can a list of created points (a feature class) be saved as a shapefile or in a shapefile, or to ...
3
votes
2answers
4k views

Constructing file path within Python for Feature Class within Feature Dataset?

Based on my understanding of the ArcGIS path structure, a feature class inside a feature dataset inside a geodatabase can be accessed by the following: C:\Menu\Lunch.gdb\Sandwich\Cheese Where ...
3
votes
3answers
5k views

Create Feature Class From XY Table Using Python

I have some txt files that are basically attribute tables (object ID, latitude, longitude, area). In ArcMaps, I have been converting these files into feature classes and saving them in a geodatabase ...
3
votes
2answers
9k views

How do I convert GML to ESRI featureclasses?

I have a series of xml files containing gml tags such as : <gml:posList srsDimension="2">454780.3125 525867.9375 454762.0625 525994.5625 and I need to convert these into esri featureclasses. ...
3
votes
2answers
286 views

Adding descriptions to feature class in a geodatabase using arcpy

I am trying to populate the properties of a feature class in a geodatabase using arcpy. In the past I have been given geodatabases with features classes that already have their property descriptions ...
3
votes
1answer
1k views

How to get all the FeatureClasses from IWorkspace?

Well i create a Geodatabse in my SQL Server using ArcCatalog then i create 5 new FeatureClass, i want to get all the FeatureClasses in this GDB, this is my function to get all the FeatureClasses from ...
3
votes
1answer
1k views

How to read feature class in file geodatabase using R?

I have a feature contained in a geodatabase that is larger than 2GB as an exported shapefile. I need to run an extract function in R to attribute the polygons with data from a raster file. Exporting ...
3
votes
1answer
135 views

How can I move and resize features with an ArcView license?

this might be a silly question but I have a problem with moving features in ArcGis 10. I'm only using the ArcView license so the editing tool "representation" is deactivated. Is there an easy way to ...
3
votes
1answer
44 views

Feature Class relate with table

I use ArcGIS 10.1 for Desktop. I have a polygon Feature Class with municipalities. In a non-geographic table, I have these same municipalities, with an additional contract information. The ...
3
votes
2answers
1k views

Open Failed - Attribute Column Not Found

I'm running a PostgreSQL database on my local machine and have set up an connection to it from ArcMap 10.1. I can see all of my tables in the Catalog pane. There is one table that I cannot seem to ...
3
votes
2answers
109 views

Creating Feature Class in ArcPy gives RuntimeError?

I am new to Python. I am trying to create a new Feature Class within a long script but before I do so, I am running it separately to make sure I have the syntax correct. The code below mimics the ...
3
votes
2answers
890 views

ArcGIS 10.2.2: How to clip vector data from raster data?

I have two files: National land cover data (raster) HUC 8 (vector files of watersheds) Both are national scale but the HUC 8 takes up a larger geographic region than the raster set so I want ...
3
votes
1answer
71 views

For loop within SDE

I have a list of SDE connection files in a folder in my computer. I can use arcpy.listWorkspaces("*", "SDE") to find the workspaces. But I then want to dig deeper into each of the SDE files and list ...
3
votes
1answer
362 views

Is there any way to reset feature cursor?

When we search within a feature class, it returns a feature cursor. To get features from a feature cursor, I use following code snippet: private List<IFeature> GetFeatureList(IFeatureCursor ...
3
votes
1answer
909 views

Automatically update feature class based on another feature class in same geodatabase

I work at headquarters and there are 3 regions. Each region is responsible for their data and headquarters is responsible for merging the data and creating a national coverage. All regions and ...
3
votes
1answer
72 views

Merging Feature Classes and keeping the metadata

Is there a way that while merging two feature classes we can keep the metadata? We are merging feature classes with templates so we can import specific fields into our data. Is there a way to keep ...
2
votes
2answers
721 views

Renaming a variable input to replace spaces with underscores to be used in an output's name

This may be easier than i am making it. Using Model Builder, I have a variable input "Name", which is set as a model parameter, used for a 'Select by Attribute' early in the model. I would like to ...
2
votes
3answers
270 views

Combining multiple feature classes into single feature class using ArcGIS for Desktop?

I am using ArcGIS 10.2.2 for Desktop? I would like to combine multiple feature classes (same geometry) into a single feature class. The catch is that all of the feature classes have identical fields ...
2
votes
2answers
78 views

Edit Copy Feature Class Output Name

I have created a model that allows the user to delete and edit certain fields in a feature class (Simple model for first time users of ArcGIS so they don't mess up data). The first step of the model ...
2
votes
1answer
114 views

Feature is a point or polygon

Im new to GIS and am just curious if there is an instance where a feature can be a point in one map and a polygon in another map and vice versa?
2
votes
2answers
940 views

Add a new field in a already created feature class

I have a feature class. On the basis of some calculation, I want to create a new field in that table and set value of that field. To do so, my algorithm is: void UpdateFeatureClass(IFeatureClass ...
2
votes
2answers
62 views

Feature Geometry/shape changed event in arcObjects

I have a feature class(polyline). there are 5 features in the feature class. I want to get notification when user changed property any of feature of feature class. How it can be achieved ? I am using ...
2
votes
2answers
230 views

Publish a Feature class on ArcDesktop with C#?

I have a feature class in ArcCatalog. I need to save the feature class to a Map and then publish the map to the Arcserver. All programatically and hopefully in C#. I can't seem to find any examples ...
2
votes
2answers
188 views

Event layer to feature class - fastest method?

There are three methods to convert the output of a Make XY Event Layer to a Feature Class: Copy Features Feature to Point Feature Class to Feature Class Which one is the fastest method? I need to ...
2
votes
1answer
54 views

Rename feature classes in file geodatabase in bulk

I see may versions of this post but none quite get me to where I need to be. I have 50,000 features classes in a file geodb. They are a1_xxxxx_xx I need to rename them all to a6_xxxxx_xxx This is ...
2
votes
1answer
1k views

How to get a feature class from a File Geodatabase in ArcObjects? (VB.NET)

I just started out with ArcObjects and I've been stuck on this for days. How do you open up a File GDB and read out a simple feature class? The snippet for retreiving a shapefile from a regular ...
2
votes
1answer
220 views

Losing Subtypes when exporting selected Feature Class Data

Trying to understand why I am losing my subtypes. Work flow: Loading a line feature class (FC) from a file Geodabase (FGDB) into the table of contents of a ArcMap version 10.2.2. Using "Select ...
2
votes
2answers
204 views

Feature Class to Feature Class Keeps Layer Name In Fields 10.2?

I have a model that makes a join, adds two fields, and calculates the fields, then uses Feature Class to Feature Class to create a new output. The new output is named "Permit." Once the output is ...
2
votes
1answer
153 views

Setting creation of feature dataset as precondition to iterative process using ArcGIS ModelBuilder?

When using ArcGIS ModelBuilder, how do you set the creation of a feature dataset as a precondition to an iterative process, and not have it re-create the feature dataset each time through? This is ...
2
votes
2answers
245 views

'DEFeatureClass' vs. 'IFeatureClass'

I'm writing an ArcGIS 10.1 .pyt toolbox to accept a feature class as input (not a shapefile). Referencing ESRI's online guide to 'Geoprocessing Data Types of Parameters and Environments' [PDF ...
2
votes
1answer
652 views

Unable to change name of feature class using ArcGIS Desktop?

I am in ArcView 9.3. I have created a personal gdb and a Feature Class. I was able to change the name of the gdb, but why CAN'T I change the name for the Feature Class (FC)?