Tagged Questions
1
vote
0answers
58 views
Getting started with development for ArcGIS Server
I'm currently working on upgrading a C# web service I wrote a couple of years ago built against ArcGIS Server to ArcGIS Server 10. The application in question does some basic spatial queries and ...
0
votes
0answers
35 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
1answer
30 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
0answers
15 views
xy tolerance from c#.net
For some graph work, I need the value of X,y tolerance. I found ISpatialReferenceTolerance.XYTolerance Property. But I couldn't find any option that how can I get ISpatialReferenceTolerance interface ...
0
votes
1answer
30 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 ...
2
votes
1answer
60 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 ...
3
votes
1answer
56 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 ...
2
votes
0answers
59 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. ...
0
votes
0answers
30 views
How can i draw an image on map?
I am using ArcGIS server 10.
and I'm programming with C#.
now I need draw an image to especially point on map.
How can I do it with C# ?
please help me :)
2
votes
2answers
90 views
Add a new field in a already created feature class
I have a feature class. On the basis of some calculation, I want to create a new field in that table and set value of that field. To do so, my algorithm is:
void UpdateFeatureClass(IFeatureClass ...
1
vote
1answer
127 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 ...
2
votes
1answer
93 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
1answer
39 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 ...
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 ...
1
vote
0answers
84 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 ...
2
votes
1answer
86 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 ...
2
votes
1answer
228 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
1answer
340 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 ...
2
votes
1answer
153 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. ...
2
votes
1answer
87 views
How to search an ITable with conditions [duplicate]
At the moment I am searching for the most effective method of searching an ITable with one or more conditions (like where clauses).
I can perform it manually by iterating through each row and proof ...
2
votes
1answer
75 views
IGeometryBridge.GetPoints throws NotImplementedException. Am I doing something wrong?
I am working on some .NET code that processes lots of polygon geometries at the vertex level. In order to reduce COM interop overhead, I want to call IGeometryBridge2.GetPoints once instead of calling ...
2
votes
1answer
97 views
How to access a table in a personal geodatabase using C#
I've a personal geodatabase which has some shape files included. To get a "complex" relation I've created a single table which will be have 1:1 or 1:N references which the different shape files (atm. ...
2
votes
2answers
132 views
How to cancel SaveEdits/StopEdits button press (ArcObjects)?
I have an interesting situation.Suppose a user creates 10 features in ArcMap in an edit session. Now the user tries to save this edits by clicking save edits or stop edits button. I would be ...
0
votes
1answer
128 views
Given a C# ArcMap custom toolbar with engine source files in a folder is there a way to install the toolbar and engine without going through VS?
I was given ArcMap toolbar and tool engine files without instructions on how to install but the code was done by someone else and it should work. How do I install it in ArcMap 10? I attempted to add ...
3
votes
0answers
160 views
How to create Relationship Classes successfully
I'm new to ArcGis and I'm making the first steps at this time. At the moment I've two different shape files. The first shape file represents streets on a map with some detailed information in the ...
5
votes
2answers
140 views
Is it possible to modify the ArcObjects IProgressDialog2?
It turns out that the best way to run long tasks in ArcMap is to use the IProgressDialog2. The BackgroundWorker in combination with ArcObjects (STA Threads) is a mess.
However, it seems that the only ...
12
votes
5answers
711 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 ...
2
votes
1answer
113 views
How to create multiple dockable windows?
I am building an add-in and I have several different windows, which I open with the code below. This works fine. However, how can I create the same window n times?
UID dockWinID = new UIDClass();
...
2
votes
1answer
92 views
Why IEnumFeature in ArcObjects returns duplicate features?
During development of ArcGis AddIn I've found strange behaviour of MapSelection when there are a lot of selected features. When I tryed to get selected features I've received duplicate features. So ...
0
votes
0answers
31 views
How can i fix the error of IApplication in Visual studio
I want to use IApplication interface in my program . but when i run my code, an exception occured in visual studio . i create an object from IApplication (IApplication paap) but i can't use it. help ...
2
votes
1answer
61 views
How can I multiply rows with a number using C#?
I have a dbf with a field named "ppa" .the type of ppa is double. users enter number (for example 0.023) in a textbox and select the dbf in a combobox . then click Run and program multiply 0.023 ...
0
votes
0answers
48 views
IF Statement for checking if the user clicked on a graphic in a Feature Layer
I am trying to display information in an InfoWindow when the user clicks on a point on a map. I have the content in the InfoWindow and it is popping up. The only problem is the InfoWindow pops up no ...
3
votes
1answer
182 views
Displaying information on a map using an InfoWindow
I am wanting to display information in an InfoWindow when the user clicks on a point on the map. I have implemented the InfoWindow in XAML, but I do not understand the code behind it. Any information ...
2
votes
1answer
51 views
How to output the ActiveView to a Jpeg image
I have an ArcGIS Desktop extension and I need to extract images from the map.
How can I programmatically output the active view to a jpeg image?
1
vote
2answers
45 views
How to edit the position of a banner text's pointer?
I have build an ITool where one can add text (ITextElement) to the map. The user can choose the symbol from the ESRI symbology. There one can choose a symbol called "Banner Text" which looks like this ...
2
votes
4answers
243 views
Why does ITopologicalOperator2 .ConstructUnion produce a somehow invalid polygon?
I try to add a single buffer around the shape of the selected features. So I step through each selected feature and add it's shape to a GeometryBag. With ITopologicalOperator2.ConstructUnion I create ...
1
vote
0answers
31 views
IMapControlEvents2.OnKeyDown not hit on Alt + key
I want to catch the Alt key plus an addionally hit key in the MapControl's OnKeyDown. I did already set MapControl's KeyIntercept to esriKeyIntercept.esriKeyInterceptAlt but the event handler doesn't ...
3
votes
0answers
94 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
1answer
73 views
Delete Custom Menu
How is it possible to delete a custom root menu developed in VS?
I have gone through some walkthroughs and added an add-in that includes a button like so:
<AddIn language="CLR" ...
1
vote
0answers
71 views
How to show size/length of sketch while creating new feature?
While adding a new feature to a feature layer I like to show the size (area)/length of the sketch so that the user has a better feedback while placing the vertexes.
So I hook up MapControl's ...
2
votes
0answers
118 views
How can I free esriControls.ControlsSelectTool? Or is it leaking memory?
In my application I have isues with unfreed memory. After several tries I broke down the problem to a simplified WPF project. It opens a simple System.Windows.Window with a Button, which starts the ...
6
votes
2answers
300 views
How to find all ICommandItem instances of a custom button command in an ArcMap add-in?
I have an ArcMap 10.0 add-in in which I have a button that the user can place (using the Customize dialog in ArcMap) on any toolbar including user-created toolbars as well as standard ones or even 3rd ...
1
vote
1answer
582 views
How do I add TIFF files to one layer/raster catalog?
We have several TIFF images (already tagged with position information) we want to load as a single layer into the map. It's the first time I dig into this raster/topology thing, but at least I managed ...
1
vote
1answer
149 views
Obtaining friendly names for ArcMap layer data types
Using ArcObjects, is there a way to programmatically obtain the "friendly name" for a layer's data type as seen in the ArcMap Source tab for layers in a map document?
e.g.:
File System Raster
...
1
vote
1answer
180 views
BaseCommand never show up in “Customize Toolbar Items”
I am developing in c# using ArcGIS Engine 10.
I created a BaseCommand class ZoomCommandTest using BaseCommand template in Visual Studio 2010 using .Net Framework 3.5
Following is the ZoomCommandTest ...
3
votes
1answer
697 views
How to make a WPF Window be a well-behaved child window of ArcMap?
I am pretty familiar with Windows Forms in ArcGIS but WPF, which I'm just starting to tinker with, seems to be a different animal. I've created an ArcMap add-in with a button that displays a Window ...
1
vote
0answers
53 views
Why are the special fonts in a .mxd-project not used/found?
I have a .mxd-project file from a customer which uses special fonts (TrueType). I installed these fonts in Windows but my application (mostly a MapControl) doesn't use these fonts for displaying. I ...
2
votes
2answers
990 views
Geoprocessor Select By Location Using Features Instead of Layers
I have a simple spatial feature selection function that includes:
public static void SelectByLocation(IFeatureClass sourceFC, ILayer selectLayer)
{
Geoprocessor GP = new ...
4
votes
1answer
473 views
I need help with saving Graphics to the a map
I have everything working just like I need it to, but when I add a new graphic to the map it does not save it. So I will add it, close the application, and when I reopen it the graphic is gone. I have ...
