ArcObjects is a set of COM-based APIs from ESRI Inc. that are used in several of their products, ArcGIS Desktop, ArcGIS Engine and ArcGIS Server.
12
votes
0answers
306 views
Hyperlink tool use in ArcEngine
I'm having some difficulties using the hyperlink tool (ControlsMapHyperlinkTool) in ArcEngine. Does anyone have any experience with it?
It looks like it behaves correctly except that every time a ...
6
votes
0answers
807 views
Add layer to open mxd using ArcObjects from outside the map document crashes ArcMap
I have an Access database (MS Access 2010) that allows users to enter a variety of land treatment information including associated points, lines, or polygons which users can select and the database ...
5
votes
0answers
71 views
Is it possible to add to the map a layer containing results from a sql query
I'm developping an ArcMap Extension and I need to join an existing feature class with data from a sql query located on another DBMS.
I already set up a Workspace with an OleDbWorkspaceFactory. I'm ...
5
votes
0answers
120 views
Slow performance when selecting features
I am trying to use the following code to select the features that have the attribute values that I pass in. The performance is really slow when it comes to a lot of values e.g >16k values to match ...
5
votes
0answers
149 views
Plugin Workspace: when to close an OleDbDataReader?
I'm developing a plugin workspace for ArcGIS. Internally, the plugin uses an OleDBconnection. All of the sample code I see seems to stress the importance of closing and disposing the connection.
...
5
votes
0answers
114 views
How can I control what is passed to the OnCreate() method when a command or tool is initialized?
In an ArcEngine application can I control what is passed to the OnCreate() method when a command or tool is initialized?
(I am using a synchronization object because I have both a map and a ...
5
votes
0answers
273 views
Scale in printed map (mxd) is different in code to manual printing
This question is related in part to a previous question I have asked.
I have tried printing an A3 mxd with the Print Active View code as published by ESRI and have changed only one line of code and ...
4
votes
0answers
44 views
Is it possible to share temporary (InMemoryWorkspace) FeatureClass between Threads?
I'm trying to run some operations (functions) in seperate threads so that the UI is not blocked. One of this operation is the generation of a feature class copy from an existing feature class into a ...
4
votes
0answers
47 views
Can I verify that attribute indexes are being used in a query from ArcObjects?
We have some software as part of a larger project written using ArcObjects via .NET. This software migrates and merges data from multiple file geodatabases in one schema to a single file geodatabase ...
4
votes
0answers
228 views
ArcGIS Cost Path Analysis - How Is Arcpy Cost Path Analysis Tool So Much Faster Than ArcObjects
Although I love slinging some 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 ...
4
votes
0answers
118 views
ArcObjects edit/update ODBC Oracle table
Can an ODBC Oracle table attached by OLE within ArcMap be edited/updated by using ArcObjects? If so, what are the procedural steps for doing this? Are there code examples out there showing how to do ...
4
votes
0answers
342 views
ArcGIS - find layer ID and name from a Identify query
I need to retrieve the layer ID of every layer returned by the IQueryFunctionality.Identify function (I am using ADF with .NET)
Identify function spits out a DataTable array for layers which have ...
4
votes
0answers
626 views
HRESULT E_FAIL error when doing batch geocoding in ArcObjects
I am trying to write a batch geocoding application in ArcObjects/C# and keep getting the meaningless "Error HRESULT E_FAIL has been returned from a call to a COM component" error (error code ...
3
votes
0answers
92 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. ...
3
votes
0answers
184 views
VBA Convert decimal degree to Meters button
I have 2 data frames one which has WGS data in it and the other OSGB1936. I am trying to create a button where the user can input decimal degrees (WGS) and it will zoom them to that location in ...
3
votes
0answers
226 views
Error opening feature class from SDE (which can be opened in another application)
We're using ArcGis 10.1 with ArcSDE 9.3.1 on Oracle 10g.
I've got 2 layers that cannot be opened or modified with ArcCatalog or ArcMap (but they show up in the list. Everything worked just fine ...
3
votes
0answers
46 views
Is IGraphicTracker leaking memory?
It seems that when geometries are removed from an IGraphicTracker instance, the geometries remain in memory until IAoInitialize.Shutdown() is called. I have tried removing the geometries by calling ...
3
votes
0answers
105 views
How to change page size of pagelayout for printing custom size?
I have a A3 printer (size: 297mm x 420mm). But I am wanting to print my pagelayout with paper size is: 265mm x 380mm
I tried to change the page size of my pagelayout to 265mm x 380mm by using the ...
3
votes
0answers
143 views
How to draw a rectangle graphic element (given feature and extents in meters) with ArcObjects?
I am trying to render a rectangle graphics box onto the map, given the center location of an polygonal feature and the extent dimensions (length and width) in meters. The feature has the spatial ...
3
votes
0answers
93 views
Is it possible to add a command to the ArcMap Find dialog context menu?
I think I already know the answer to this... which is "no", but I wrote this up so I'll ask anyways.
Is it possible using ArcObjects to extend/customize the ArcMap Find tool/dialog by adding a ...
3
votes
0answers
103 views
ArcGIS and SqlServer.Types: Does feature.Shape.SpatialReference.FactoryCode == srid?
I created a test implementation of the ESRI Geometry to WKT recipe provided by @SagebrushGIS. It seems to work great, but I'm wondering if the SRID value expected by Microsoft.SqlServer.Types ...
3
votes
0answers
40 views
How to use ITableEdit interface with ArcGIS 10?
I'm new with this technology. I modify data as you can see below:
private void changeVersion(IFeatureWorkspace ifw, IWorkspaceEdit iwep,
IServerContext m_serverContext, String versionName) ...
3
votes
0answers
90 views
GeoJSON support in ArcObjects 10 .NET
i am currently trying to build a geoprocessing application using OpenLayers and ArcObjects,
I have some features that user draws on openlayers and i need to send these features to arcobjects for ...
3
votes
0answers
118 views
How to read pixel values from an image server layer with ArcObjects?
I'm having a problem with reading pixel values from the image server layer. The image server layer class implements IRasterLayer, so when I tried to read pixel values using IRaster2 obtained through ...
3
votes
0answers
153 views
Viewing panoramic imagery in ArcGIS
Is there an ArcGIS extension or utility that will view 360 degree panoramic images? I've found utilities that are part of larger software packages for managing mobile scanning data, but all I'm after ...
3
votes
0answers
134 views
Elevation statistics for a given Area
I am attempting to determine the best way to calculate the Minimum and Maximum elevation for a defined area.
The area is defined by an IPolygon
The elevation is defined as an ISurface
Possible ...
3
votes
0answers
222 views
Problem refreshing GroupLayers in ArcScene (ArcObjects 10 .NET SDK)
The functionality I am seeking is to add a FeatureLayer (containing some data from a file selected for import) inside of a GroupLayer collecting all of the data from that particular source. The logic ...
3
votes
0answers
347 views
ArcObjects - IExportPDF2 and esriExportPDFLayerOptions Not Working as Expected
I have a small function that exports a map document to a pdf. The function works in the fact that it does export a pdf. However, regardless of what I set ...
3
votes
0answers
140 views
Should the IRelationalOperator.Equals return true regardless of vertex orientation?
I don't recall every having an issue with this method, but I am now. As I understand IRelationalOperator.Equals, vertex orientation shouldn't affect equality and if I take a polyline and reverse ...
3
votes
0answers
204 views
ArcObjects - WFS:
Hy,
has anybody an example concerning accessing data from a WFS server by using the DataInteropability in ArcObjects?
I'm getting the right field definistion, but don't know how to read the data.
...
3
votes
0answers
204 views
Alternative to IMapServer2.ExportScaleBar
Does anyone know a good alternative to the IMapServer2.ExportScaleBar function? I want to do essentialy the same task, but outside the ArcGIS Server environment. For a given map scale, predefined ...
3
votes
0answers
414 views
How to return FeatureLayer from gp service(using custom function tool) (.NET)?
My basic problem is that I have a custom function tool HLZCalulation that I created. It takes in a string to a file gdb , opens it, does some calculations, and then returns a featurelayer with the ...
3
votes
0answers
1k views
How to set margin on PageLayout in ArcGIS Engine?
When we create a PageLayout from the A4 Landscape template and print the layout on a pinter with A4 Landscape paper we get four pages instead of one. We are using the IPage.PageToPrinterMapping = ...
3
votes
0answers
265 views
How do I Convert from LayerDescription.SelectionFeatures to GraphicsLayer?
How do I convert (in a clear and concise way) from
ESRI.ArcGIS.ADF.ArcGISServer.LayerDescription.SelectionFeatures
to
ESRI.ArcGIS.ADF.Web.Display.Graphics.GraphicsLayer
I want the selected ...
3
votes
0answers
222 views
Bad data beaking IRelationshipclass.GetObjectsRelatedToObjectSet
I have two workspaces - one a File GDB, the other SDE (SQL Server). Both workspaces contain the same data with the same relationship classes. When identifying features in ArcCatalog, the results ...
2
votes
0answers
40 views
Differentiate between 10-based Locator and Other Locators
In ESRI documentation, it states that the IAdvancedIntersectionGeocoding interface is only available for use in older locators (9.3.1 and below). I have verified this statement. One major problem is ...
2
votes
0answers
55 views
Geodesic distance between two polygons in ArcGIS
Does the IGeometryServer2 interface work in desktop applications? My solution is an Add-in for ArcGIS 10. I'm currently passing it two valid polygon features that are in a projected coordinate system. ...
2
votes
0answers
48 views
Write table blob field to file
I have a table with blob field and some others as well. I am trying to read blob field and save it to file using IBlobStream, and the thing compiles. The problem comes up in run-time, when calling ...
2
votes
0answers
63 views
Can I use an Update cursor with a versioned feature class which has attachments in ArcObjects .NET
I have a problem with my code (C# ArcObjects 10.1). We are trying to update and insert 10 - 15 rows at a time into a feature class hosted in ArcSDE 10.1 on SQL Server 2008 R2.
We have a feature class ...
2
votes
0answers
47 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 ...
2
votes
0answers
74 views
How to copy a feature class within the same GDB
I'm trying to copy/clone a feature class within the same file gdb using C#.
I've figured out that this won't work with IDataset or IFeatureDataset.
So far I only found IGeoDBDataTransfer.Transfer but ...
2
votes
0answers
77 views
Processing arcobjects cursor is taking long time
I am maintaining a code on arcobjects 10.1, and there is a bug happening.
I have a code that is parsing through a cursor, and generate a where clause statement to run it on a second query.
So the code ...
2
votes
0answers
53 views
How to identify custom lines in .Dgn file using DgnLib?
I am getting a problem, I can't identify custom lines in .Dgn file.
As you know, in Microstation 7, we can assign the style value of lines from 0 to 7.
But if lines are customed lines, they always ...
2
votes
0answers
178 views
How can I copy selected polygon features to a polyline feature class with ArcObjects?
I would like to copy selected polygon features to a polyline feature class. (Similar to how polygon features can be copied and pasted inside an edit session in ArcMap)
Until recently I've been using ...
2
votes
0answers
35 views
ArcObjects custom GP tool: Multiple extensions using IGPFileDomain
I am using IGPFileDomain to make the user select between different file extensions, for example .type1, .type2, .type3. These are added using domain.AddType("type1") etc.
The dialog box then lists ...
2
votes
0answers
54 views
buffer using topological operator
IMap map = axMapControl1.ActiveView.FocusMap;
IFeatureSelection fSelection = map.get_Layer(0) as IFeatureSelection;
ISelectionSet selSet = fSelection.SelectionSet;
...
2
votes
0answers
115 views
AxSymbologyControl via WindowsFormsHost in WPF (ArcMap Add In Project)
I need a way to offer the user a choice of color ramps for the ClassBreaksRenderer.
I came across the AxSymbologyControl which was designed for WinForms. I tried also ESRIs (WinForms) example project ...
2
votes
0answers
164 views
Creating a new map frame: Error HRESULT E_FAIL has been returned from a call to a COM component
I am trying to create a new map frame in the PageLayout Control. But I got the error: Error HRESULT E_FAIL has been returned from a call to a COM component at the method AddElement.
Please see ...
2
votes
0answers
60 views
How to print two pagelayout on two sides at the same time ?
I am having a PageLayoutControl with name: PageControl1. I used below codes for printing it:
public override void OnClick()
{
try
{
PrintDialog ...
2
votes
0answers
54 views
Recommendations on universal projection API or algorithm for ArcObjects?
As asked on the esri forum here, we are trying to convert a geometry from any spatial reference to any other spatial reference. We have tried the default IGeometry.Project(target_spatial_reference) ...
