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Questions tagged [.net]

A framework, developed by Microsoft, that compiles any of several COM-based programming languages into machine-executable language.

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11
votes
3answers
21k 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 ...
14
votes
2answers
4k 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 ...
14
votes
6answers
8k views

ArcMap Add-in with app.settings not recognizing app.config changes?

I have developed an ArcMap Add-in which requires a configuration file. After spending a while trying to read config values from a single App.Config file (and always getting null) I believe that the ...
6
votes
2answers
6k views

How to perform transformations using ProjNet?

While writing some unit tests I thought it would be convenient/possible to use ProjNet to convert from EPSG:4326 into several other coordinate systems (3875,3395). I figured it would be as easy as ...
2
votes
1answer
2k 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 ...
12
votes
12answers
10k 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 ...
8
votes
3answers
4k views

Do any open-source .Net libraries (commercially usable) exist for reading/writing LiDAR data?

I have a few LiDAR point data (.las files) with me. I would like to read the X,Y and Z from it using .Net. I found liblas, which is in C++ and I am not sure if it can be used commercially after ...
5
votes
1answer
2k views

How can I programmatically display the “Create Features” dockable window in ArcMap 10?

When I start editing in ArcMap 10, by default the "Create Features" window is automatically opened and docked. Stopping the edit session hides this window. When I use the IEditor:StartEditing method ...
2
votes
1answer
2k views

Implementing WFS within .NET

There are several discussion about implementing (or not implementing) WFS with .net from scratch. However, if I do need to, how do I get started? I know it's a broad question. I apologize for that. ...
-1
votes
1answer
2k views

How to learn ArcObjects (.NET, C#) for desktop applications but having only Arcmap desktop license? [closed]

How can I learn .NET and C# for desktop applications having only a desktop license? I want to upgrade myself in the development side so I'm trying to learn this stuff and I'm searching all the ...
2
votes
1answer
1k views

How to control which Fields are exported in ArcObjects? (via Field Mapping)

In ArcMap 10.x, if you use the Export Data command on a layer that has hidden/disabled fields, those fields will not be present in the created feature class/table. My question is simple: how do you ...
15
votes
2answers
3k 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 ...
11
votes
3answers
4k views

What are pros and cons of Python add-ins vs .NET add-ins to ArcGIS for Desktop?

I found in ESRI .NET help: Python All ArcGIS Desktop applications include an embedded scripting language called Python. Many areas of ArcGIS—particularly geoprocessing—are accessible through ...
6
votes
1answer
12k views

.NET Entity Framework with PostGIS?

Is it possible to use the .NET Entity Framework with PostGIS? I've reviewed a few options, including hookup it up with Npgsql using http://npgsql.com/index.php/2009/08/how-to-set-up-entity-framework-...
10
votes
1answer
1k views

Implement ArcGIS Custom Features with C#?

Is it possible to implement custom features in .NET? If so, how? I suspect the issue is being able to do COM aggregation with .NET, but I can't find anything on that ... Does anyone know if it is ...
8
votes
1answer
3k 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 ...
11
votes
1answer
805 views

Integrating Whitebox GAT (free and open) with ArcMap UI? [closed]

I wrote a number of ArcGIS VBA automations in grad school; however, they're fully dependent on the ArcGIS Spatial Analyst extension, which is not only closed-source but expensive to the point of ...
10
votes
7answers
7k views

Are there any .Net opensource library for geometry operations?

Are there any opensource librarys for doing geometry operations (union, intersect, relation...) in .Net?
9
votes
4answers
5k views

How can you find ArcGIS version programatically?

Is there a way using ArcObjects.net to find out what version of ArcGIS is installed on a machine (i.e. 9.3., 10.0, 10.1)?
5
votes
3answers
2k views

Get part of polyline based on 2 points in Arc Engine

Currently I have a layer with polylines; in another layer, I allowed the user to create 2 points on the polyline. I want to know if there is a function for the polyline feature that I can use to get ...
4
votes
1answer
3k views

ArcObjects 10.1 .NET Convert Point from WGS1984 to OSGB1936

Please can someone help me convert a point in WGS1984 to OSGB1936, I have followed all the documentation (or so i think...) and yet have not made any headway into this problem. This is my code : Type ...
8
votes
2answers
2k views

Can custom map tiles be consumed via ArcObjects within my ArcGIS 10 Desktop AddIn?

Can I programmatically consume and render custom map tiles in ArcMap via our ArcGIS 10 Desktop AddIn? The AddIn is built using the ArcObjects SDK for C#/.NET and ArcGIS 10. Pulling and rendering map ...
6
votes
3answers
7k views

Is it possible to use DotNet to show a QGIS map?

Has anybody ever tried to show and interact with a QGIS map from a DotNet language like C#? What I have in mind is, to write a desktop application with C#, and show an embedded map with the QGIS-API ...
6
votes
2answers
3k views

Split a Polyline into small segments

I am writing an addin, which needs to split a polyline into a number of segments taking the number of segments as an input from user. How can I accomplish this?
6
votes
1answer
4k views

Updating MXD file using ArcObjects?

I'm using ArcGIS 9.3.1. product line and MXD files. At our customer we have multiple environment (DEV, QAS, PROD) which should be more or less identical except they use different datbases and a few ...
5
votes
2answers
13k views

How do I change the targeted .NET 4.0 Framework to version 3.5 in an existing VS 2010 EXPRESS project?

I am upgrading from ArcGIS desktop 10.0 to 10.1 and I have a bunch of addins developed in VS 2008 Express using ArcObjects 10.0. I would like to upgrade everything to 10.1 using VS 2010 Express. I ...
5
votes
1answer
718 views

Can you use ArcObjects in an MVC service at v10.1

I'm slighlty confused with the changes at 10.1 and understand this version no longer supports DCOM or remote arcobjects. Can you use ArcObjects in a webservice (in my case a .NET MVC 4 service) that ...
4
votes
1answer
529 views

Choice approaches for passing a selected feature to a method in ArcObjects? (C#)

It pains me to ask such a basic question, but after several hours (not exaggerating) of trying to figure this out and failing, I come to GIS.se What I am trying to do is pass a selected feature and/...
4
votes
1answer
1k views

Can custom map tiles be properly rendered via ArcObjects within my ArcGIS 10.1 Desktop AddIn?

Within ArcObjects for ArcGIS 10.1, we are attempting to render pre-generated map tiles as a basemap (group) layer. The tiles themselves are of the typical web mercator aux. spherical tiling scheme. ...
4
votes
2answers
1k views

Is it possible to deploy on a ArcGIS 9.3.1 machine a component created with ArcGIS 10?

We are developping a C# ArcObjects Class extension assembly. Our development machine was recently updgraded to ArcGIS 10, but when we try to install the assembly on a 9.3.1 machine, we get an R0000 ...
2
votes
1answer
1k views

Schema Lock issue when using ITable.AddField via ArcObjects

During a process I am running, I sometimes need to create a field that is missing in an attribute table. Unfortunately, the program is complaining that the table I am adding the field to has a schema ...
1
vote
1answer
2k views

GeoReference tiff image into the Google map?

I want to Geo-reference a tiff image contain a Map for a specific region, I need to add this region(image) and Geo-reference it on the Google map, SO I can see on the map for the region I select the ...
10
votes
1answer
1k views

ArcMap Addin - add interoperability connection programatically

I'm currently building an add-in for ArcMap - ArcView using the .Net framework. The user of ArcMap and the Add-in should access data published from WFS services. I am aware that it is possible to ...
10
votes
2answers
612 views

File Geodatabase API .NET Wrapper: How to determine if Table/Feature Class Is Locked?

I have been using the file gdb API .NET wrapper, and it has suited my needs quite nicely (vs. using ArcObjects). One of the things I have yet to figure out is if there is a proper way to determine if ...
9
votes
2answers
341 views

Custom implementation of ArcGIS function

I would like to find out what it takes to create a custom implementation of an ArcGIS function. In particular, I would like to implement GeoAnalyst.ISurfaceOp2.Visibility() in order to get it to run ...
7
votes
0answers
607 views

Newbie to GIS Development in ArcGIS? [duplicate]

I am new to GIS development and was wondering if there are tutorials available for development in ArcGIS 10. I have some experience writing simple scripts in python and fooling around in model builder,...
4
votes
1answer
390 views

ArcGIS and .Net compatibility (Extending ArcObjects)

Backstory Historically, when compiling a custom dll that extends ArcObjects you would compile on a PC with the lowest compatible version of ArcMap installed, for example 10.1. Then that custom ...
4
votes
1answer
1k views

How to set focus on ArcMap map window using arcobjects and c#.net

I have developed a custom dockable window with textboxes, comboboxes and a button for use in ArcMap. After the user clicks on the button in the dockable window a function is invoked. After the ...
3
votes
2answers
718 views

How to use shortcuts in dockable windows?

I have developed a custom dockable window with textboxes, comboboxes and buttons for use in ArcMap. After the user clicks on a button in the dockable window a function is invoked. How can I invoke the ...
3
votes
1answer
629 views

Null values in plugin data source

How do you appropriately setup a plugin data source to allow for null values (in .NET - C# preferred)? I'm currently setting up a field using: field.Type_2 = esriFieldType.esriFieldTypeSingle; field....
3
votes
0answers
1k views

How to create a Polygon around a Linestring as a GeoFence in C# .NET

I'm looking for a .net library that will help to create a polygon that I can use as a Geo-fence around a route on a map. The following image demonstrates the result I'm after. Imagine that this ...
2
votes
2answers
868 views

Finding point with highest elevation in area using ArcObjects?

Is there a way to find a point with highest elevation in specified area by using ArcObjects? Let's say that I have a raster with DEM and I would like to establish some areas of interest in this raster....
2
votes
2answers
950 views

How to set min and max value for stretchType: esriRasterStretch_PercentMinimumMaximum

How can I set the min and max values for the stretch type "Percent Clip" in arcobjects? It's possible to set the Stretch type: rasterStretch.StretchType = esriRasterStretchTypesEnum....
1
vote
1answer
3k views

Writing In-memory IFeatureLayer to Shapefile using ArcObjects (Engine SDK)

I've been working on this for a little while now, and can not seem to get this thing working. I've managed to export a geodatabase feature class and shapefile to a shapefile, but what I'm struggling ...
1
vote
2answers
193 views

Since upgrading to ArcGIS 10, my application doesn't rescale the map when the window is resized

I am upgrading a .NET application from ArcGIS 9.3 to ArcGIS 10.3. I've noticed that the map control behaves differently: the map no longer automatically rescales itself when the window is resized. To ...
1
vote
3answers
2k views

Using GDAL to get vertices of a multipolygon

I am successfully using GDAL to get the vertices of a polygon from a ShapeFile using .NET code. This link showed me how to do that: http://geoinformaticstutorial.blogspot.com/2012/10/accessing-...
1
vote
0answers
3k views

How to cut polygon or split polygon using polyline and ArcObjects?

I have ArcMap10.1 and ArcObject.net. i have created tool and on mouse down event i write some code I tried it using topologicalOperator4.Cut2(newPolyline) but i get error "A polygon cut operation ...
1
vote
1answer
400 views

Changing data source of table using ArcObjects?

Cross post from: https://geonet.esri.com/thread/125010 Does anyone know how to change the data source of a table using arcobjects? I know it can be done with arcpy, but I'm using C#. I've managed to ...
1
vote
1answer
408 views

SDE FeatureClass Granting and Revoking Privilege with ArcObjects

How can I with ArcObjects GRANT or REVOKE Privileges like SELECT, UPDATE on SDE FeatureClasses to/from Roles? The equivalent in normal Oracle would be something like this: GRANT SELECT ON SCHEMA....
1
vote
0answers
366 views

Are there any exisiting .NET implementations for WFS that are extendable?

I've been told its a bad idea to implement WFS from scratch: Implementing WFS within .NET Does anybody know of any exisiting .net implementations that I can extend?