ArcObjects is a set of COM-based APIs from ESRI Inc. that are used in several of their products including ArcGIS Desktop, ArcGIS Engine and ArcGIS Server.

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how can i export a shapefile

hi I want to select the cities that exist in Morocco and export it to a shape file and I used this code but its not working, it gives me an error: code: import arcpy from arcpy import env ...
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1answer
80 views

How do I perform a raster overlay analysis in ArcObjects?

Using the "IMultivariateOp.MLClassify" Method, it will create a field call "Count",which can be used for calculating area, as shown in the figure below: But now I want to calculate the increase ...
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1answer
63 views

How to get Name of IRaster object using ArcObjects?

I have an IRaster object as output from a function. I need to be able to get the name of that raster. Is there a way that I can do that? I know that I can't mask an IRaster as an IRasterDataset. If I ...
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1answer
150 views

How to add features to geometry collection using .ShapeCopy

I'm having an issue with trying to complete the loop of adding the selected geometry to my geometry collection. The goal is finding streets that intersect the given streetname (then locating the ...
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1answer
37 views

Help with ArcObjects language to open or access a shapefile?

I am writing a program with a dialog box that when they click on the map button a shapefile will open. I wrote a program that opened a map document is it the same language as that is. Which is the ...
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1answer
244 views

Adding FeatureLayer on a thread crashes ArcMap

I asked this question on the ESRI forums but got nothing so I thought I would try it here (hope that is consider ok). I am creating an extension for ArcMap 10.2 using Visual Studio 2012 C# WPF. ...
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1answer
136 views

Get a spatial reference object by name from a saved string

I am creating an ArcMap 10.2 extension is VS 2012 and C#. I want to give the user the option to select a spatial reference to be applied to a layer - planning to use the Dialog for that. But then, ...
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2answers
21 views

working with hydrography raster the cost array ignores the end of water

We have our maps laid out using hydrography maps from NOAA. We had to run the graphics through several steps to create the water feature raster. I have a process that pulls in that raster, sets a ...
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164 views

ArcGIS Engine--load mxd file to map control or pagelayout control?

When load a mxd file using ArcGis engine,how to automatically detect whether it's saved in mapcontrol or pagelayout control?Thanks!
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3answers
1k views

Zoom to selected features with ArcObjects

I am trying to figure out what is the best way to set the active view extent to be able to view all the selected features on the Arc Map. 1.The Map has only one layer. 2.The features are filtered ...
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2answers
73 views

Is it possible to create an addin for a specifc MXD?

I am currently in the process of creating Addin's and also converting our VBA projects to .NET addins. With the VBA applications, they would only work with specific MXD's. Is this possible to do with ...
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48 views

Suggestions on how to find street intersections

I'm running AGS 10.2 with AGS Desktop 10.1 and SQL 2012. I have a REST SOE which is currently providing custom services to a JSAPI app. I'm working with a basic streets layer with only street names ...
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1answer
114 views

Get Polygon or IGeometry from Envelope in ArcObjects

I would like to create a Polygon Feature from the geometry of an IEnvelope in C# ArcObjects SDK 10. Is there an easy way how to do it?
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1answer
59 views

Store user settings in map document?

I have created a custom tool for ArcMap with .NET and would like to know if there is any way to store user defined settings in a MXD. The tool simply draws a graphic circle of a certain radius with ...
2
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1answer
55 views

How to get a collection of georeferencing control points in an ArcMap document?

I have created control points (i.e. links) using ArcMap's Georeferencing toolbar. How can I programmatically retrieve a list of these points? I'm looking for something like an enum of the links you ...
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0answers
51 views

Issue on IFeatureDataConverter.ConvertFeatureClass

Does anyone know if it's possible to reuse this method with a "feature dataset" already present ? I'm trying to import multiple shapefiles under a featuredataset inside a fgeodb. Everything it's ...
2
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1answer
98 views

Replace error message in ArcObjects .net custom geoprocessing tool

I am writing some validation in the updateparameters method of my custom geoprocessing tool. I need to post an error message when specific conditions exists and I would like to include a standard esri ...
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34 views

NextBuffer operation takes a long time when there are no rows in a table

We're trying to get data from a table which contains no rows. The query runs fast, but the SDE gets stuck on NextBuffer command. Some code that we're using: IQueryName2 queryName2 = (IQueryName2)new ...
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34 views

Getting value from IRow is slower while edit mode is on? [closed]

When I access a value in an IRow using get_Value(index), it usually takes 0 to 1 ms. But when edit mode is on, the same operation takes 0 to 15 ms (most common values are 0 and 10 ms)! What could be ...
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1answer
125 views

Shp to featuredataset (GeoDB)

I'm trying to import a shapefile into a featuredataset under a geodatabase using FeatureDataConverter.ConvertFeatureClass. All the examples that I found are not concerning the import under an existing ...
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2answers
170 views

How to get Database name for layer in ArcObjects?

I am writing an ArcGIS ArcMap Add-In and need to determine what database a given layer from. How can I determine this information? I attempted to use the FeatureLayer to get a FeatureClass, and then ...
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0answers
126 views

ArcObjects - Export map to PDF - graphics not appearing

I'm having an issue with our ArcObjects code for exporting a map to PDF. There is a section of code that adds graphics on to the map (polygons, lines, text etc). This seems to work fine for the first ...
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2answers
268 views

Why unable to edit ArcSDE from multiple computers on LAN using custom ArcGIS Engine application?

I cannot edit an ArcSDE database from multiple computers on a LAN network using a custom ArcGIS Engine application, I have tried both versioned and non-versioned feature classes, but they cannot be ...
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2answers
137 views

Maximum length of WHERE clause with IN statement

I need to get all features from feature class where their field value matches to input array. To achive this one may set IQueryFilter.WhereClause property similar to 'FIELD_NAME IN (array[0], ...
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1answer
321 views

In ArcObjects, how do I change the spatial reference of a Map (Data Frame) in an existing MXD?

I need to change the spatial reference of an existing MXD programmatically. In ArcMap UI, I would take the following steps: 1) Open the data frame properties and go to the Coordinate System tab; 2) ...
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1answer
114 views

Geoprocessor Execute HRESULT COM Error

Recently, I started having problems with my C# projects running ArcGIS10.1 geoprocessing tools. My tools point to custom scripts in project toolboxes. The code in question has run without issue in the ...
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55 views

Command doesn't show up on ICommandBar

I'm trying to put a custom command into the Help menu on startup if it isn't already there. This is my code to do so: private void OnCreate() { // other stuff in OnCreate()... // registering ...
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49 views

Icon missing when adding custom combobox command to Toolbar

I have a custom command: class ATL_NO_VTABLE CSliceSelector : public CComObjectRootEx<CComSingleThreadModel>, public CComCoClass<CSliceSelector, &CLSID_SliceSelector>, ...
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1answer
44 views

Handle string or int in server object extension

How would you also check to see if the value you are passing into into an SOE is an integer as well? This checks for string, but returns 0 when passing number: string searchValStr; int ...
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72 views

GP-Tool: Detect if running in background or foreground ? (ArcObjects)

I got a geoprocessing tool which I want to prevent from running in background, due to some weird crashes that happens. Is it possible to programmatically detect if background processing is enabled ? ...
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1answer
79 views

Errors when creating a TextElement from ArcObjects

I am attempting to add some text in the layout view of ArcMap. I’m using the following line for the TextElement that I’ve found online from numerous places including ArcObjects Library Reference. ...
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2answers
1k views

ArcObjects - find nearest feature to a point - has to be FAST

I've seen lots of discussion on this, especially using IIndexQuery.NearestFeature() on a FeatureIndex instance. Something like this: private IdDistancePair FindNearest(IGeometry g, IFeatureClass fc, ...
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100 views

What is the correct approach to handle mouse events for a tool that is called by a button?

I have a dockable window with a 2 buttons that call 2 different tools (Draw Marker and Select Features), What i want to happen is when the user clicks on the relevant button on the dockable window and ...
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24 views

Implementing day night functionality [duplicate]

I want to implement day/night functionality on world map i.e there will be dark layer showing countires having night now. This world map could be creaeted through ESRI or SVG map.I want to ...
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36 views

Is it possible to add dynamic controls to a dockable window?

I am writing a small application that uses the dockable window. What will happen is that for each layer in the TOC a label and checkboxes will appear within the dockable window. However what do i need ...
3
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1answer
230 views

How do I draw transparent polygons with ArcObjects?

How do I draw transparent polygons in ArcObjects? I mean is it possible to set alpha channel?
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1answer
65 views

How can i uncheck leader lines show in piechart using ArcObject?

I'd like to uncheck the leader lines of my piecharts programmatically . I surf in the internet and found nothing about this.It's simple to uncheck the leader lines in ArcMap. Just go to properties of ...
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144 views

converting a distance to a map distance

I have a point and a polyline. I need to find the perpendicular distance between each segment of the polyline and the point. By each segemnt of the polyline I mean that, each polyline may contain more ...
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34 views

IfeatureClass.searc(Iqueryfilter pqueryfilter, bool recy) is throwing external component has thrown exception [closed]

I am running my code to trace features approx 20 lacs and my code is working fine for 2 or 3 lacs features and after sometime it thrown external component exception. Please provide any code ...
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32 views

Manipulating Rasters and Cost Arrays

I have a map file created by an external group. Within this file is the hydrography map. In one existing piece of code we are making a call ... passing a CostArray as follows, the FeatureClass being ...
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2answers
98 views

Can SqlWorkspaceFactory connection files be created with ArcGIS Desktop?

With ArcObjects, I can use IWorkspaceFactory.Create I can create a connection file for a SqlWorkspaceFactory. Is there an out-of-the-box method to create the same file in ArcGIS Desktop? Update: I ...
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40 views

Issues using Arc 10.0 extension recompiled for 10.1

I have a written an ArcGIS extension in C# .Net for version 10.0. I have attempted to recompile this extension for 10.1 and that works. But running the extension in 10.1 is causing ArcGIS to crash. ...
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1answer
196 views

Why does Exporting Document to JPEG using ArcObjects in Layout View result in bad picture quality?

I want to export the Active View with ArcObjects to JPEG. All Layers in the Document are raster layers (GeoTiff). I use this code which works quite well when in Data View, but when I perform the same ...
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2answers
79 views

How to convert an IGeometryCollection into a Polyline

I am using the CostPathAsPolyline method which returns the Polyline as an IGeometryCollection. I now need to get this converted back into a polyline. But it seems to be more complex than just a ...
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168 views

How to get the top left and lower right coordinates of polygon in ArcObjects?

First of all, draw the rectangle ESRI.ArcGIS.Display.IScreenDisplay screenDisplay = Map1.ActiveView.ScreenDisplay; screenDisplay.StartDrawing(screenDisplay.hDC, (System.Int16) ...
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0answers
54 views

How to return shapes from geo service?

I have a geo service that seems to finally be working. I have the service setup with a list of Polylines as the returned object. This is what I'm trying to implement but it doesn't work: ...
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1answer
362 views

How to create windows form based tools as add-ins in arcgis 10.0 using vb2010

Here i am again with a query again. Let me explain the project layout first. I am writing a project in vb2010 in which i want to add a package having 4 toolbars with about 48 tools in them in ArcMap ...
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2answers
350 views

How to draw one rectangle in ArcObjects?

Is there button in ArcObjects "draw rectangle" such as in openlayers? Update Well, I use this code for drawing: ESRI.ArcGIS.Display.IScreenDisplay screenDisplay = Map1.ActiveView.ScreenDisplay; ...
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1answer
69 views

CreateRasterCatalog on the fly using ArcObject 10 .NET SDK

My debugger crashes without showing any error. It crashes not even catches exception on the line: rasterWorkspace.CreateRasterCatalog(catalogName, fields, "Shape", "Raster", "defaults"); Code ...
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49 views

How to access functions from another project in vb2010

I have written a project which has common functions in Visual Basic 2010 i.e. Visual Studio 2010. for e.g. Public Function FlashPolygon(pDisplay As IScreenDisplay, pGeometry As IGeometry) Dim ...