ArcObjects is a set of COM-based APIs from ESRI Inc. that are used in several of their products including ArcGIS Desktop, ArcGIS Engine and ArcGIS Server.

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93
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How do I access ArcObjects from Python?

I would like to be able to script some things that are not exposed via arcgisscripting or ArcPy. How do I access ArcObjects from Python?
32
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4answers
5k views

Performance of ArcGISScripting and large spatial data sets

I am currently writing a python script using the arcgisscripting module to process a reasonably large data set (~10,000 records in total) normalised over a small number of tables, 8 in total. The ...
18
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10answers
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Getting started with ArcObjects?

What is the best route or place to get started with ArcObjects if one is not a developer and not aiming to become a developer? I've been using gis professionally for a long time, almost two decades, ...
5
votes
3answers
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Python, comtypes and ArcObjects: Error creating AppROT object

I am experimenting with comtypes and ArcObjects under Python 2.6.5 and ArcGIS 10 SP1. I'm using the pure Python method to wrap the ArcObjects OLBs described in this answer, but getting an error in the ...
10
votes
4answers
3k views

Connecting line features and determining the length of the longest line

I have a line feature (see image) representing a river that I created using the Stream_to_Feature tool. The attribute table contains several records representing different lines - the problem is the ...
12
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8answers
5k views

ArcObjects Resources [closed]

What are the best books/web sites for C# development with ArcObjects? The ArcGIS Resource Center is very helpful, but I am trying to find sources with more examples.
1
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2answers
291 views

How to define Subroutines and functions?

I am working in VBA. My error is sub and function are not defined. Here is my code: Private Sub CreateMap(cboDistrict As String) Dim mapDocument As New mapDocument If ...
14
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2answers
4k views

How can I create weighted Thiessen polygons?

I have a point shape file and I create Thiessen (Voronoi) polygons programmatically using this scripting syntax: CreateThiessenPolygons_analysis (in_features, out_feature_class, fields_to_copy) ...
7
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3answers
10k views

Remove lock on feature class

When i try to delete a feature class , after or during the use of an Arcgis engine app which uses the same feature class i got an error concerning the lock , so i can't get ride of this lock until i ...
6
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2answers
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ArcObjects + comtypes at 10.1 and newer

Has anyone played around with using ArcObjects in Python at version 10.1? I am having all sorts of problems, such as TypeErrors when wrapping the ESRI OLB modules and AttributeErrors when attempting ...
16
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3answers
2k views

Algorithm to find out points of inflection for a polyline

I am trying to find out the points of inflection , i.e. points where the curves in a line start and end. If you look at the image, the green line may be a road or a stream, and the black points are ...
6
votes
3answers
4k views

How to use ArcObjects to choose GeoTransformation?

I’m currently building a Desktop add-in tool with ArcObjects that: Asks a user to select a feature class Reprojects the feature class to Web Mercator Executes some geoprocessing The initial ...
6
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5answers
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Programmatically edit/update metadata in ArcGIS?

Has anyone succeeded in programmatically updating metadata in ArcGIS 10? Considering using Python/arcpy but ArcObjects (C# or Python/comtypes) is also a possibility. I need to update both the FGDC ...
9
votes
3answers
7k views

How does ArcGIS compute the distance between two points with a non-equidistant projection?

This is a follow-up question to my previous one, Can you suggest some well-written introductory texts about coordinate system projections? Let's assume I'm working with the CH1903 map projection, ...
11
votes
2answers
3k views

Avoiding fails from ArcObjects geoprocessing with .NET?

There are some nice features in ArcToolbox we can use, but for some reason, this is NOT working properly. It doesn't even throw me an error. My software is running inside ArcMap, so no need to ...
15
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2answers
2k views

Calling arcpy/python from .NET?

Are there any available examples that show how python can be integrated into a .NET ArcGIS Addin or Extension? I have a series of python scripts that I would like to call from form events (e.g. button ...
15
votes
6answers
8k views

Converting between Esri Geometry and WKT using ArcObjects?

It seems like there is no means of converting an ArcObjects geometry to the Well-Known Text representation (and vice versa) in ArcGIS ArcObjects API. The only thing I was able to find is conversion to ...
4
votes
2answers
2k views

Running ArcPy script from ArcObjects?

the standard method requires to run ArcPy script in command line, i've struggled with it to run but without a result, i can import arcpy, set the workspace to the geodatabase path and describe the env ...
3
votes
1answer
907 views

Using annotation layer inside group layer without getting error adding element?

How do you get an annotation layer working inside a group layer? When I try, I get the error message "error adding element". I have a project that requires several annotation layer to be organised ...
3
votes
2answers
990 views

ArcObjects: Alternative workflow to using a SQL query with over 1000 values in IN statement

I have a ListBox listing the unique values of a column in a feature class; the user can select any number of values and click a button to then zoom to the set of features matching those values. A ...
2
votes
3answers
387 views

Using .NET Runtime SDK or .NET ArcObjects?

I want to build a desktop GIS application with following features in it: It can be able to read all the attributes of any digitized map It can be able to draw polygon or line With the help of that ...
6
votes
3answers
2k views

ArcMap/ArcObjects - Drawing graphics onscreen: Explanation or tutorial for Draw/Refresh/PartialRefresh methods?

I find myself woefully lacking in understanding of when, why, and how (which type) to do screen draw/refresh/partial refresh. For instance, in a standalone Python script outside the application ...
4
votes
2answers
724 views

Guidelines for using ArcObjects from Python

By far, How do I access ArcObjects from Python? is my most read and referenced Q&A on GIS Stack Exchange. In spite of that success, it's probably one of my weakest areas when it comes to actual ...
14
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5answers
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Is Hillshade option in ArcMap rubbish or is it me?

Here is a pretty pic of the raster I am using - with no effects applied - just the color ramp and historgram adjusted to show out all the relief - all be it in a very 2D way! I have a raster layer ...
10
votes
2answers
1k views

How to unit test ArcObjects with Mocking?

I'm a huge fan of unit testing, but still make use of a FGDB to grab features for running unit tests against when using the ArcObjects framework. Is anyone successfully using mocking against thinks ...
15
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3answers
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ArcObjects: Memory leak in IFeatureClass.Search (only on SDE with direct connect)

UPDATE 6/30/11: ESRI Support say they have reproduced the issue and have opened a bug report (NIM070156). I have determined that there is a memory leak (in unmanaged heap memory) that occurs when a ...
4
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1answer
3k views

How do I programmatically create non-feature-linked, simple line callout annotation and set the anchor point?

Vitals: ArcGIS-ArcView 10.0, Python 2.6.5, PythonWin, comtypes I'll start with my main questions: How, using ArcObjects, do I go about creating non-feature-linked geodatabase annotation features ...
2
votes
1answer
175 views

ArcObjects/Python: Add JPG to layout

I am attempting (and failing) to add an image to a map layout using ArcObjects via Python comtypes. I do need to run this outside of ArcMap (i.e. not in the ArcMap Python window). The basic idea is: ...
9
votes
5answers
7k views

Activating custom ITool from form without adding it to ArcMap AddIn toolbar?

I'm working on an add-in for ArcMap 10.0 that adds a toolbar to ArcMap. One command (OpenModelessDialogCommand) button on that toolbar opens a modeless WinForms dialog, from which a tool (MyTool) can ...
6
votes
4answers
417 views

Storing ArcObject inside BLOB or XML field of geodatabase?

Is it possible to store an ESRI object inside a blob field inside a geodatabase? If not, perhaps a serialized XML representation? I'm thinking about storing IFeatureRenderers inside these fields. ...
3
votes
2answers
2k views

ESRI Flash Command in custom code

I would like to implement the same flash feature command that ESRI uses when accessing the context menu on a table row. I have used the following successfully to flash a selected feature: ...
3
votes
3answers
3k views

Can you programmatically change the button image for a ESRI.ArcGIS.Desktop.AddIns.Button?

I'm new to the AddIn customization model in ArcGIS 10 and I'm trying to figure out how to change a button image for a button. I'm looking for the equivalent to the BaseCommand UpdateBitmap method and ...
2
votes
2answers
983 views

Creating layer from in-memory shape data using ArcObjects?

In my current project, a feature layer is created based on shape data generated after some complicated surface analysis procedure. The sequence right now is like [Surface Analysis Algorithm] -> ...
10
votes
1answer
1k views

Arcobjects in Python: assign interface to objects with feature (shape) geometry

I am trying to use ArcObject in Python. I do have problem with assigning an interface (i.e. IZ.InterpolateZsBetween) to my object with geometry data, code is: from Comtypes.client import ...
4
votes
4answers
5k views

How do I remove Schema Locks from a File GeoDatabase in Java in ArcGis 9.3?

I have an application written in Java which uses ArcObjects 9.3. The application accesses a file GeoDatabase. The application produces output in the GeoDatabase that will be accessed by ArcMap. The ...
2
votes
1answer
1k views

ArcObjects: Setting image of a command button to a partially transparent bitmap

In an ArcMap 10 add-in, I am attempting to create a toggle button of sorts whose image changes based on the button's state. This answer describes how to set an add-in button's image programmatically ...
0
votes
1answer
116 views

Finding points in extent using VBA

Is there a way to select a point from my map's current extent? I want to use ArcObjects to tell me if there is at least one point visible in my extent. I'd like to do this entirely in VBA, and without ...
-1
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1answer
100 views

Executing ModelBuilder using C# classes?

How can I execute ModelBuilder in ArcMap 10.1 using .NET 2013 C# classes?
12
votes
12answers
8k views

Learning .NET for ArcGIS (mainly Desktop) use?

I have basic programming skills (I program simple vba python and lisp scripts and had gone through a java course a long time ago), but it seems to me (judging by ESRI publications) that there is no ...
12
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5answers
4k views

What are the rules for releasing ArcObjects from memory in .NET?

Do I need to release each object? Is some memory management handled for me? ArcEngine 10, VS2010 C#
6
votes
3answers
2k views

Is it possible to target an ArcMap add-in to an earlier version?

My development environment is Visual studio 2010 with ArcGIS Desktop 10.1 installed. I need my add-in to support 10.0 AND 10.1. Right now, if I try to install it on ArcMap 10.0, it fails. Is it ...
7
votes
3answers
2k views

How to determine on which side of a line a polygon feature falls?

I have parcel data intersecting line data. In the parcel data there are some parcels that don't intersect the line. How could I programmatically figure out if the non-intersecting parcel is on the ...
4
votes
1answer
419 views

ArcObjects .NET - How to close/release FeatureClass, Workspace, Factory

I have a long-running process. I want to prevent resource leaks or rogue database connections. At intervals during the process I want to do this: get an ArcSDE (Oracle) workspace factory open a ...
4
votes
4answers
1k views

Exploring ArcObjects through C# or VB from Python background

While I understand that this may be off topic to an extent, I am in a bit of a bind and could use some help directing my thought process and research. I have little programming background aside ...
3
votes
1answer
2k views

Calculate polygon area inside extent

We're using ArcMap 10.0 sp5, creating a tool in c# using the ArcObjects sdk. Is there a built in function or simple set of steps that calculates the area of each feature of a polygon layer within a ...
6
votes
6answers
1k views

How do I remove a join (between a standalone table and a feature layer) with ArcObjects?

I already know how to do a table join with ArcObjects, via the IDisplayTable, IMemoryRelationshipClassFactory etc. interfaces. Here are some links to resources that have example code for this: ...
6
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6answers
9k views

ArcObjects - Create and Draw a Transparent Polygon

I'm trying to create a transparent Polygon in ArcMap; however, it's never transparent. Here's the code I have. // Create polygon IPolygon polygon = new PolygonClass(); // create & add ...
5
votes
2answers
718 views

Near analysis with mixed feature types in ArcObjects

I am trying to emulate the Near (analysis) ArcGIS tool in ArcObjects. http://help.arcgis.com/en/arcgisdesktop/10.0/help/index.html#//00080000001q000000 I want to use Mixed Feature Types. I have a ...
4
votes
2answers
833 views

Is IPolygon2.QueryExteriorRingsEx Method not working in ArcGIS version 10.1 SP1?

I am updating my addins from 10.0 to 10.1 and my code is crashing on the IPolygon2.QueryExteriorRingsEx Method. I understand there is something strange going on with this method because Developer ...
3
votes
3answers
4k views

Creating StreetView/Bing Bird's Eye Add-In?

I'm trying to create an Add-In for this tool: Link to Google Maps and Bing from MXD (Streetview and Bird's Eye supported) I'm not receiving an error however my browser is not opening after I select ...