Tagged Questions

0
votes
0answers
23 views

Is snapping working when changing from NAD83(decimal degree) to NAD83 Zone UTM 11N(meters)?

I've used the following ESRI snippet to Convert the display extents in Pixels (at the current map scale) and then return out the map units. public System.Double ...
0
votes
0answers
22 views

How to specify field name in raster to feature conversion tool or intersect tool?

What I want to do : input: raster file, polygon feature layer process: Convert raster to polygon using IConversionOp.RasterDataToPolygonFeatureData Method Intersect resultant polygon feature class ...
1
vote
1answer
31 views

How to get polyline out of multipart feature using ArcObjects C#

I've got a polyline feature class and I've identified the first feature that is a multipart feature. I now want to find out which of the paths of this multipart feature intersects with a point. Up ...
0
votes
0answers
39 views

Snapping with mutiple custom tool using diffrent snapping types

I have a custom tool with snapping type is (snapping to point + snapping to edge), and the second tool having snapping type is snapping to point only, so when i select the first tool it works well, ...
0
votes
1answer
24 views

ArcObjects IDataset.Copy causes program to crash

My implementation of IDataset.Copy continues to crash and I cannot figure out why. The program attempts to copy a shapefile from a temporary folder in one directory to a final folder in another ...
3
votes
1answer
25 views

Does IDistanceOP.EucDistanceFull require a projected coordinate system?

I have designed an implementation of ArcObjects' IDistanceOP.EucDistanceFull. It takes its input as a feature class and converts it to a GeoDataset with which EucDistanceFull can work with. It works ...
0
votes
2answers
41 views

Zoom and Pan using scroll wheel in Arcobjects

is there any way to zoom using scroll wheel ? i have tried AutoMouseWheel of map control, it works well for the first used custom tool, but once i change the tool, it stops working , i would like to ...
1
vote
0answers
42 views

How to get hold of the Activated Event for the ArcMap window?

I am using ArcObjects 9.3 .NET. In my ArcMap dockable window, I have a single element host hosting a WPF user control (That's the only means of using WPF for ArcMap extensions as far as I know). ...
1
vote
1answer
33 views

How to extend a custom NASolver in ArcGIS Server 10.1?

The past year we developed a custom NASolver with C# , it works fine and that job has finished. Now we are planning to use it from ArcGIS Server. The problem is that we have no information for that. ...
2
votes
2answers
68 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 ...
2
votes
1answer
58 views

Arcgis 10.0 desktop: how to clear All transformations from map

I have a custom extension which adds some custom transformations to the map. When turned off, the extension is supposed to remove all the added transformations. However, when calling ...
1
vote
1answer
50 views

What is the preferable value for setting tolerance for selecting a feature

I know it's really a basic question. But I am really confused about this. For selecting a point feature by mouse click, we need to set a tolerance value to create the envelope. And here is the problem ...
0
votes
0answers
26 views

add data to toccontrol

When i open MXD file, it isn't add to TOCControl, but it is dispalyed. How solve it or it is imposible? Code from standart ArcEngine MapControll APP private void menuOpenDoc_Click(object sender, ...
3
votes
1answer
49 views

Set unique values to different groups programmatically

I have a polyline feature layer. After doing some computation, I update a field of that layer and want to set unique color for different value of that field. We can do this from symbology using unique ...
1
vote
1answer
67 views

How to create dynamic sub-menu in ArcMap?

I created a static menu contains 3 static items like in this link create menus, I want to add a sub-menu and get the menu's items from database like in this image: I already did the left part with ...
2
votes
0answers
54 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. ...
1
vote
1answer
77 views

Problem in splitting and removing Polyline

I am stuck at a problem for weeks, Please Help!!! I am making program in C# Here is what I need to do --- I have two polylines that are intersecting with each other at some points. I want to delete ...
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 ...
3
votes
1answer
119 views

Pivot a polyline at vertex or distance using ArcObjects C#

I hope you can help me with that one. I'm using ArcObjects with C# trying to rotate only one part of a polyline at a vertex or distance along the polyline. The polyline is zAware and has values at ...
4
votes
1answer
94 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
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. ...
1
vote
0answers
51 views

Distance Units of a Layer

I am developing an ArcGIS desktop addin. I am attempting to get the distance units (ft, mm, km, etc.) from a layer in my .mxd and display it on a windows form. How can I do this? I can access the ...
3
votes
3answers
127 views

ArcObjects C#: select intersecting polylines

My questions seems trivial but it is a real blocker for me. So please help!!! How can I, using ArcObjects with C#, select only those polylines in one layer that intersect with each other? It sounds ...
0
votes
1answer
64 views

Object does not exist in the namespace “http://schemas.esri.com/arcgis/client/2009”

I am trying to move all of my GIS code over the Visual Studio 2012. I have added the following references: C#: using ESRI.ArcGIS.Client; using ESRI.ArcGIS.Client.Geometry; using ...
1
vote
1answer
121 views

Get the distance from a point on a polyline to polyline's from point

I have a polyline and a point on the polyline. I need to find the distance from the from point of the polyline to that point. ICurve.QueryPoint method does the opposite thing. It gives a point ...
1
vote
0answers
77 views

Using custom contextMenu in Arcobjects(C# and ArcMap)

I added a new custom tree to TOC which looks like this: IObjectClass IFeature IFeature ... IObjectClass IRow ... made context menu using this sample ...
2
votes
1answer
88 views

Write string to status bar that doesn't go away

I'm attempting to write the number of items matching a given query to the statusbar. when i debug through the code, i am able to step through and see the message hit the statusbar, but then it ...
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
1answer
38 views

Reading Attributes from Attributed Relationship Class ArcObjects

I have an M-N relationship class with attributes. I am listening to the IRelationshipClassEvents.OnCreate Event event to see if any new relations are created. How can I read these attributes from an ...
2
votes
1answer
50 views

How to save raster results of IExtractionOp?

I'm using IExtractionOp to clip a raster by polygon: IExtractionOp operation = (IExtractionOp)(new RasterExtractionOp()); IRasterBandCollection rasterBandCollection = ...
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 ...
4
votes
0answers
43 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 ...
2
votes
0answers
73 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 ...
0
votes
0answers
28 views

How to get the nearest line to a feature?

I have features on map, and i want to get the nearest poly-line to each one. How to write spatial query to get the nearest one. I tried to use ISpatialFilter but i couldn't reach anything.
0
votes
0answers
36 views

ArcEngine crashes on IProjectedCoordinateSystemEdit.Define

I need to create a projected coordinate system in my ArcEngine (Version 10.0) application from this .prj-file. Since I don't want to load from a file (with ...
2
votes
0answers
76 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 ...
1
vote
0answers
79 views

What is the correct way to handle assembly resolution in .NET ArcGIS add-ins?

This has been a thorn in my side for some time now -- in .NET ArcGIS add-ins, assembly dependencies packaged with the add-in are often not resolved correctly. I am still not sure why and under which ...
0
votes
1answer
54 views

How to get the absolute raster row / column of rastercell when using ArcObject Raster Cursor?

When using the ArcObject RasterCursor (see snippet below), how do I get the absolute row / column of the current pixel value? IRasterCursor rasterCursor = raster.CreateCursorEx(null); do { ...
3
votes
1answer
157 views

Intersect, Union are failing on 10.1

After a huge help from Blah238. I found exactly what is the problem. I wasted few days checking our data, and trying many things. The problem that I cannot do intersection between two polylines to ...
4
votes
1answer
167 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 ...
2
votes
1answer
85 views

Can't cast from IFeatureClass to IFeatureClassLoad [duplicate]

I'm attempting to load a large number of features (up to 310k) into a feature class. It is functional at the moment, but speed is a major issue. It takes about .42 seconds per 1000 features. I've ...
1
vote
2answers
91 views

How to drag a layer from ArcMap Add-in into its MXD?

I have a simple ArcMap Add-in that displays all featureclass names in a database inside of a ListBox. If I select a name or multiple names in the listbox, how can I drag and drop it in ArcMap? Just ...
2
votes
1answer
87 views

Problem Updating the Location of an SDE Feature Using ArcObjects .NET

I have been able to connect to an Enterprise GeoDatabase, retrieve features from it and update attributes. However I am having problems accessing and then updating the shape property of a feature. ...
0
votes
0answers
28 views

creating hyperlink form by arcengine into c#

I want to hyperlink three files to one point from a point layer,when I added this layer into Axmapcontroller I need to create a form to show a list of three files in order to choose by user, I could ...
1
vote
0answers
28 views

Can't find MapFrame of GraphicsContainer in PageLayoutControl (C#) ?

I am getting a problem: I added element (text, line) in a ActiveView.FocusMap of a PageLayoutControl, then all elements are showed in the MapFrame of PageLayoutControl.GraphicsContainer. If I don't ...
3
votes
2answers
209 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?
2
votes
1answer
205 views

How to get all selected features from a specific feature class in C#

I am looking for a way to get all selected features from a map which belongs to a specific feature class (shape file, geo database,…). To be more specific and to give you a real case for my ...
1
vote
0answers
307 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 ...
1
vote
1answer
130 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 ...
2
votes
1answer
146 views

Benefits of relationship classes and how they can be accessed in c#

At the moment I've a personal geodatabase with two imported feature classes from shape files and an own created table. This table has columns for the IDs of the elements in the two feature classes. ...

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