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21
votes
9answers
7k views

How can I implement ESRI REST API?

ESRI announced that they are releasing the ArcGIS REST API as open technology. I've got an ISP running Sql Server 2008 with IIS7. Does anyone know of a good walk through showing how I can write C# ...
15
votes
3answers
3k views

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 ...
15
votes
1answer
736 views

Understanding why ArcPy Cost Path Analysis tool faster than ArcObjects? [closed]

Although I use python to create geoprocessing scripts/services, I was under the impression that using ArcObjects to do the equivalent operation(s) will have better performance. I've posted ArcGIS ...
13
votes
5answers
6k views

How can I programmatically get the path of “Python.exe” used by ArcMap

I am working with an add-in of ArcMap in c#. From c# code, i have executed some python scripts. Now, to run those script, I have hard-coded python path. But this is not portable. So, I want to get the ...
13
votes
2answers
7k views

API documentation for Gdal/Ogr with C#

I want to assign projection to shapefile in my web C# application, for this i am using Gdal/OGR/OSR C# bindings and add osr_csharp.dll and ogr_csharp.dll references. But i am facing some difficulty ...
13
votes
1answer
2k views

How to get selected Features/Geometry from Windows Clipboard in ArcMap/C#?

I have a custom tool in ArcMap 10. The Workflow is the following: Select Features in a Layer with the "Select Features by Rectangle" tool Copy the Features to the Clipboard using STRG+c Select the ...
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
votes
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.
10
votes
6answers
3k views

How do I iterate through every cell in a continuous raster?

See this link for more details. The Problem: I want to loop through a continuous raster (one that has no attribute table), cell by cell, and get the value of the cell. I want to take those values ...
10
votes
2answers
1k views

ArcGIS 10 add-in: Top-level exception handling

The ArcGIS 10 add-in I'm working on is pretty simple -- just a tool control and a dockable window. I'm handling the specific exceptions I anticipate occuring at the source and throwing everything ...
10
votes
1answer
979 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 ...
9
votes
5answers
8k 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 ...
9
votes
3answers
904 views

New to ArcGIS and want to compute distance between two points “as the fish swims”

We have a layer named Hydrography which is the water area for a given assignment. I have a station point and a target point. I need to compute the distance between those two points but inside of the ...
9
votes
2answers
2k views

What is the best way of refreshing the view after drawing graphics?

I draw a polygon on button click to highlight a feature. Then I need to refresh the ActiveView to show the new polygon. This lines do work: ...
9
votes
1answer
3k views

Editing shapefile in ArcMap programmatically?

Is this something that can be done? For instance if I created an overlay on a map and saved it as a shape file, I want to go and edit this (pre-existing file.) overlay...Either add points/remove ...
8
votes
2answers
1k views

C# version for ArcObjects 9.3

Can I use C# 4.0 with the target framework set to .NET 3.5 to develop an extension for ArcMap 9.3? Or does it have to be C# 3.0 or earlier?
8
votes
3answers
2k views

Creating floating-only (non-dockable) window in ArcMap using ArcObjects?

I'm looking for a way to create a floating window in ArcMap. To give an example just look at the window of the Identify tool. Floating means that it stays in front of the map document at all times ...
8
votes
2answers
1k 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 ...
8
votes
3answers
4k views

ArcObjects (ArcGIS for Desktop and C#): How to cast between the ArcMap COM UI and my custom .Net UserControl objects?

I'm creating a utility to run in ArcGIS for Desktop using ArcObjects (9.3.1 SDK) and C#.Net. My prototype involves a toolbar with two comboboxes and a tool. The first combo selects a layer in the TOC, ...
8
votes
1answer
4k views

Geometry from multiple selected features into one geometry

Lets see if I can explain what I'm trying to do. First of all I have developed an AddIn for ArcMap that can take one selected feature (Polygon) on a layer, grab the geometry of that feature, and save ...
8
votes
1answer
890 views

Automatically display related records for selected feature in tablewindow with ArcObjects

Is there a way through ArcObjects to automatically display the related table(s) for the selected feature in ArcMap in the attribute window (tablewindow) without the user having to click on it and ...
8
votes
1answer
627 views

Custom panning using ArcGIS Engine

Due to some constraints, that I will not go into, I have found myself needing to implement custom panning in my application. The ArcGIS API reference suggests using the following methods: ...
8
votes
4answers
5k views

Convert Sql Server Spatial data to GeoJSON & plot on map

I have a sql server table with Geo spatial data. An example of row would be (with Column names): type: streetline code: 231001 geog: 0xE6100000011 ........ Centroid 0xE61000000C....... geom: ...
8
votes
1answer
278 views

ArcObjects running in Addin slower?

I have created a class library which does some geoprocessing. The addin calls a class that is an async process. I have ensured the thread is STA and the arcobjects are thread safe (ie. not passed from ...
7
votes
2answers
3k views

ArcObjects: How to insert data into a table?

I have a table in ArcCatalog named WorkOrderAss. This table contains 3 columns: (OBJECTID, FeatureName, Name). I want to insert data to this table from the code behind in C#. Any help would be ...
7
votes
2answers
3k views

Deploying Application With C# GDAL/OGR Bindings

I developed a relatively simple web app that uses the C# OGR bindings to do a couple of simple geometric functions; buffer, clip...etc. I developed this application on my local machine, which has ...
7
votes
2answers
2k views

C# Abstraction for Web Feature Service (WFS) Call

I'm currently working on a WFS client-side implementation in C# for a thick client application (Windows desktop application). The goal is to be able to choose some "layer" combinations to be shown ...
7
votes
2answers
1k views

How do I implement outbound arcobjects interfaces in C#?

I would like to write a class in C# that implements one or more outbound interfaces, for example ILayerEvents and IActiveViewEvents. Does anyone know how to do this with C#? Update Following @Chaz's ...
7
votes
2answers
2k views

Why do these annotations appear stacked/overlapping?

I've encountered a strange problem while trying to populate an annotation feature class programmatically (ArcObjects, C#). As you can see in the image below, the characters in each text string seem to ...
7
votes
4answers
1k views

US One Address locator style missing city, state and zip code fields?

I am using the file: C:\Program Files\ArcGIS\Desktop10.0\Locators\US One Address.lot To do address resolution on a parcel / polygon layer. I'm trying to understand why the file doesn't contain ...
7
votes
1answer
210 views

Convert longitude/latitude to pixels on the map

I have a map from here. I want to be able to simply convert arbitrary lon/lat pair to pixels on the map (also the ability to do reverse conversion). The maps come with .tfw file and projection info, ...
7
votes
2answers
2k views

ESRI ArcMap Add-in Config.esriaddinx

I'm in the process of converting an older ArcMap extension to an Add-In in C# and I am trying to best take advantage of the XML based configuration. Config.esriaddinx works great for the basic set up ...
7
votes
2answers
2k views

How to start using the SharpMap library?

I am a very newbie on GIS and also programming especially c#. I am trying to develop a program to: display map from geotiff, dted (level 2 i guess), shapfiles and jpeg type of files. display ...
7
votes
3answers
1k views

E_FAIL when calling ESRI.ArcGIS.Carto.IImageServer.Initialize()?

I am using ArcGIS Engine and Developer Kit 10 on Windows 7. Specifically, I'm writing an ArcObjects console program using Visual C# Express 2008. I am attempting connect to an image server via a URL ...
7
votes
1answer
206 views

Adding new map to current project using ArcGIS Pro .NET SDK?

The new ArcGIS Pro SDK for .NET is currently in beta for ArcGIS Pro 1.1, and I'm having trouble with map/project objects. I can add layers to an existing map, but I can't seem to figure out how to ...
7
votes
1answer
913 views

Find the nearest point on a line

I have a line that exists between two latlon positions, and a point on a certain latlon position. What I want to know is what the nearest point on that line is (in respect to the other point). So a ...
7
votes
1answer
576 views

GDAL.RasterizeLayer not ported to the C# bindings?

I am trying to use the OSGeo.GDAL.Gdal.RasterizeLayer(…) from GDAL 1.9.2 and it requires some SWIGTYPE parameters: OSGeo.GDAL.Gdal.RasterizeLayer( OSGeo.GDAL.Dataset dataset, int bands, ...
6
votes
5answers
4k views

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 ...
6
votes
5answers
1k views

Troubleshooting ArcObjects performance problems

We have developed a relatively complex geoprocessing routine using a C# / ArcObjects (COM) / ArcGIS Server 9.3.1 / ArcSDE 9.3.1 / Oracle 11g stack. Running the routine on a complete dataset takes ...
6
votes
4answers
18k views

Converting latitude and longitude into northing and easting?

I have the following UK postcode dy8 3xt and know that the latitude and longitude is:- 54.452772 -2.156082 I also know that the Easting, Northing for the postcode is:- 389490 283880 However ...
6
votes
2answers
2k views

Detect Table of Contents Changes in ArcMap using ArcObjects?

What is the preferred and/or most efficient method for detecting a change in the table of contents in ArcMap using ArcObjects? My current implementation relies on a dictionary with the names and ...
6
votes
2answers
1k views

MapScale not being persisted properly in mxd when programmatically changed outside of ArcMap environment

I am trying to change the scale of a map in an mxd OUTSIDE of ArcMap in a standalone Windows application. The problem is the scale is never persisted - the best code I have come up with is the ...
6
votes
2answers
178 views

What event is fired when a feature is edited?

When the user draws a new feature (line, point, etc.) in ArcMap, there are null attributes. If the user enters values in these null fields what is the event that is fired? I want to control the ...
6
votes
1answer
639 views

What is an IFeatureClassName?

I'm currently attempting to export a selected set of data from a feature class in a database to another database as a new feature class. I understand everything perfectly right up to the ...
6
votes
2answers
1k views

Is it permissible to update features after the feature cursor has been released?

In ArcObjects, is it permissible to modify and update a feature after the feature cursor (which was used to retrieve the feature) has been released? That is, do features in any way retain a link to ...
6
votes
1answer
2k views

Zooming to first queried feature using ArcObjects?

I'm attempting to query a feature class for all features that meet a certain criterion (in this case, the Status field is NULL). However, I'm not getting very far into the attempted method before ...
6
votes
2answers
1k views

how to cluster points of interest by lat lon for my WP7 app

I have alread asked this question on SO, so I appologies if duplicating this is bad form. I will link to each of the sites if I get the right answer... ...
6
votes
3answers
2k views

C# Library for consuming Geoserver REST?

I am currently experimenting with Geoserver and it's capabilities within C#. One thing I would like to do is query the server for basic information (existing workspaces, layers, layer attributes, ...
6
votes
1answer
1k views

How to persist a polygon to SQL Server database and vice versa?

How do I extract all the points from a Polygon drawn in ArcMAP and then persist that data into a SQLServer database table containing a geometry column and then when I've got the data persisted read ...
6
votes
2answers
2k views

How to use NASA Digital Elevation model data?

I've heard it is possible to use NASA elevation model to determine approximate elevation at (lat;lng) point. This might be really useful for my upcoming project since Google Elevation API has weird ...