Questions tagged [.net]

A framework, developed by Microsoft, that compiles any of several COM-based programming languages into machine-executable language.

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10 views

WSDL & XSD files for WFS and WMS services

I am working on creating a proxy for OGC WFS and WMS services using C#.NET WCF service. For that purpose, I need to create a reference to a WFS service so that I can get its classes and data types (Or ...
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GeoJSON: Truncate geometry based on circle

I have a database with a lot of GeoJSON, mostly representing roads and buildings. This GeoJSON is displayed on a map based on a chosen location, i.e. you choose a point on the map and the roads and ...
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21 views

RowChangedEvent doesn't catch every change

I'm using C# to create ArcGIS Pro add-ins. Until now I've been able to catch changes made directly on the attribute table. This is modify, create or remove a row. But, when I use a geoprocessing tool ...
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50 views

OpenLayers vector tile rendering problem on .NET Core 2.2

I working on OpenLayers vector tile. I am using PostGIS ST_AsMvt function for render my geom data. I sending query like this to PostgreSQL in my .NET Core server SELECT ST_AsMVT(mvt, 'geom', 4096, '...
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30 views

Duplicating feature layer with ArcObjects?

After opening a MxD document and getting the main map then a feature layer, I want to duplicate the layer with ArcObjects in order to inherit its properties (symbology, layer def and labelling). Then, ...
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Expose GeoServer Services to openlayers using .NET application

I have came across ways to consume GeoServer wms services and Bing maps at client side using openlayers , But openlayers is Javascript based framework and using this the Bing Map keys/ WMS urls and ...
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Importing geographical data into SQL Server Spatial

I'm uploading a shapefile containing all the world geometries of each country into SQL Server. The issue I'm facing is that for some of them I'm getting a SQL Exception during insert: A .NET ...
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37 views

Problem reprojecting coordinates using DotSpatial

I'm trying to reproject some coordinates from EPSG:27700 to WGS84. I can do this fine in JS using the proj4 port, but I'm getting different results using DotSpatial. Here is my .NET code: var wgs84 =...
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34 views

Query Data in ArcOnline REST API. Set-up error

I am attempting to query data that has been loaded into ArcGIS in the form of layers. I am attempting to query out basic data (Any data at this point) from a imported Layer. I think the error is ...
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21 views

ArcPy error handling within a C# wrapper

I'm running arcPy commands from a C# script i.e. RunPythonScript("arcpy.Delete_management(\"C:\\\\Temp\\\\NW\\\\land.gdb\", \"Table\")"); private static void RunPythonScript(string script) { ...
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Using Open GIS’s KML Schema Definition (ogckml22.xsd), Microsoft.Net XML Schema Definition Tool Fails

In brief, on one hand, I expect Open GIS’s KML Schema Definition, i.e. ogckml22.xsd, to be rock solid; fully debugged. Likewise, Microsoft.Net’s XSD XML Schema Definition tool (https://docs....
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88 views

Getting Field by name from feature using GDAL?

I have recently started using GDAL in C#, I want to get a value from a field of a feature using the name of that field. In the docs here it says that the operator [char*] is supported, however it's ...
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49 views

Getting line segment object from points

I am fairly new to Arc Programming and am currently using .net to build my tool. There is not much back ground information as I am starting from a Blank Map. The goal of my tool is just to create a ...
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219 views

Seeking library that reads/writes shapefiles to use with .net core 2.2?

Previously I used to use Easy Gis .net. Now we have a .netcore 2.2 project and I need to read/write Shapefiles. I have googled for 2 hours and I didn't find anything. I also tried to use dotspatial ...
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260 views

Reading Esri File Geodatabase (.gdb) from .NET?

I have been reading various threads on reading (not writing) an ESRI file geodatabase (.gdb). What I need to do is process a feature class in a geodb and extract the vertices of each feature. I do not ...
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170 views

Reading Esri file geodatabase (*.gdb) using DotSpatial?

I am a big user of DotSpatial and have even contributed some source code. However, I am having some roadblocks in trying to figure out if DotSpatial can read a file geodatabase. I have posted on the ...
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194 views

Reprojecting shapefile using DotSpatial gives unexpected lat/long coordinates?

I need to take an uploaded polygon shapefile and extract some information from it, including the lat/long positions of the centroids of the features. Using DotSpatial I attempt to Reproject the ...
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122 views

Using ArcGIS Engine with Background Geoprocessing (64 bit)

Could someone suggest how to use ArcGIS Engine Background Geoprocessing (64 bit) in ArcGIS Engine 10.4 ArcObjects console application? I am using C#, .Net 4.5.2 framework, ArcObjects SDK 10.4 to ...
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416 views

Seeking geospatial library for .NET Core?

I am trying hard to find any geospatial library that supports .NET Core, however with no success so far. Do you have tips for any? My requirements are: work with different coordinate systems ...
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3answers
304 views

Using WinForms with ArcGIS Pro SDK?

I want to port a tool developed in ArcObjects for ArcMaps into ArcGIS Pro using the ArcGIS Pro SDK. The tool's UI was created using WinForms but to recreate the UI in ArcGIS Pro is looks like I would ...
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2k views

Integrating Leaflet with ASP .NET MVC?

I am trying to use Leaflet (https://leafletjs.com/) javascript library in a project built on ASP .NET MVC5. For the sake of simplicity, let's just say I am trying to run the following code (provided ...
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1answer
51 views

Combine multiple adjacent polygons into 1 polygon

I have a third party tool that is creating a color filled area by placing many polygons side by side. I need to combine these polygons into 1 polygon. Unfortunately changing the 3rd party tool is not ...
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48 views

Is there a built in way to reduce the amount of points in an IElement

I have a polyline element and I want to reduce the number of points (vertices?) that make up the line. I know it will make the curved sections jagged and that is fine. I just want to control (perhaps ...
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1answer
72 views

Convert an IFeature to an IElement to display on the graphics layer

I have read some posts and looked at a few different examples but I am still having a problem. My problem seems to lay with the location of the IFeature's shape, they are coming back as x= 590241....
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Reshape ILineElement with ISelectionTracker in graphics container

End goal: Allow user to move points on a ILineElement using the selection handles from ISelectionTracker. Issue: Using my code below I am able to get the handles to appear on the line element, but it ...
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67 views

quickwatch on COM-objects does not show any information

While debugging my ArcObjects-code using VS2015 and .NET 4.5 I often try to inspect the data from my geodatabase. So for example see this code: public static bool PointsAreCollinear(IPoint from, ...
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1k views

GMAP.net markers are not shown in the correct position

I have to show on a gmap control in c # more markers to make use of the code below. The strange thing is that if I display only one marker is displayed correctly, while if I have more than one marker ...
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59 views

Convert OSM data to PostGIS polygons in .net?

I'm trying to obtain data from OSM and store it to a PostgreSQL + PostGIS database, with certain modifications to adapt to our tables. Is there any built way to convert OSM relations/ways/nodes into ...
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108 views

Facing Issue on Creating MVVM Pattern From An ESRI Runtime 100.2 Existing App

Following This Sample I am hoping to be able a real MVVM pattern from the tutorial but based on my understanding the application is missing the Model and View classes! I have the MapViewModel.cs like ...
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1answer
192 views

How to get Feature Attachments using ArcObjects .NET (using AttachToMemory)?

I am trying to retreive the Attachment of a Feature using ArcObjects in C#. The data is correct, I am able to dump the attachments to the disk using SaveToFile. I want to work in memory and not dump ...
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213 views

'object' does not contain a definition for 'AddValue'

I have been able to get past this error, but I don't know why it was happening. I'm attempting to set symbology on a layer using IUniqueValueRenderer in ArcMap 10.4. When I try and use the AddValue ...
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192 views

Network Based Geofence - .NET

Is it possible to create a Network Based Geofence using the .NET platform? For example, is there a way where users can "opt in" to a service on their phone without installing anything, that would ...
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1answer
193 views

Setting up IGeoProcessor2 object in .NET (C#)?

I'm wondering if I'm instantiating a new class with the IGeoProcessor2 object correctly. It's working the way I have it now, but I feel like there's something else I should be doing so I don't have to ...
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1answer
148 views

Merging pdf pages with vector layers in the backend

I've setup an openlayers instance on a webpage which can load static images. These images are actually the pages of a PDF you can upload. There is a pagination option on it so users can navigate ...
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1answer
103 views

No maps visible when downloading something with CartoPackageManager

I am facing such problem: while some package is downloading with Carto PackageManager, I can’t see neither other downloaded offline maps nor online maps of any other place. In other words, if there ...
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448 views

ESRI ArcObjects and Unit Testing the Geoprocessor dll

I have an issue with using ArcObjects and the Geoprocessor .dll library in a UnitTest environment (MSTest) in Visual Studio. When I test a program that creates an ESRI.ArcGIS.Geoprocessor object and I ...
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1answer
231 views

Get messages from erroneous python script run in C# .NET with ArcObjects

I'm trying to implement some error handling into my C# code for my .NET application. I feel like I'm missing something really obvious because I know there has to be a way to do this, but I just can't ...
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82 views

How to enable Latin names for places in some places instead of local ones in Carto Services?

Some places on the map is labeled with Cyrillic names, but I need only English/Latin names of places on the map, however sometimes there are only local names. In general I need transliteration to ...
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1answer
66 views

Can you do simple geoprocessing in .NET framework? (not mapping applications, not desktop add-ins)

So I will be creating a web application in .NET. It's a data entry application where someone will be inputting a bunch of a stuff from a datasheet and we'll suck it into some database tables that are ...
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128 views

Publish rasters in PostGIS into ArcGIS Server [closed]

Background I have a lot of, I mean a lot of rasters (GeoTiffs, around 10000) stored in a PostgreGIS database. I have developed a website and I want to allow users to extract a raster based on its ...
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624 views

How can I call a .NET / C# tool (i.e. a .DLL file) from a model workflow or a Python script?

I've developed Add-in tools (with Windows dialog GUIs) for ArcMap which work fine, but I would also like to be able to call these directly (passing in parameters so I won't need to display the dialog) ...
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392 views

ArcGIS and .Net compatibility (Extending ArcObjects)

Backstory Historically, when compiling a custom dll that extends ArcObjects you would compile on a PC with the lowest compatible version of ArcMap installed, for example 10.1. Then that custom ...
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1answer
493 views

ArcObjects c# .Net Merge with Geoprocessing?

I'm trying to run the Merge tool using ArcObjects c# .Net. I'm fairly new to the skill but I have been able to run other tools such as Buffer and Points to Line. However, I have met my match with ...
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1answer
73 views

Hiding particular field in parameter combo box using ArcObjects and C#?

I am currently fetching the all fields/attributes of feature class and display in Combo box parameter using below code: paramEdit = new GPParameterClass(); paramEdit.DataType = new DEFeatureClassType(...
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260 views

Why does DotSpatial return NaN for point reprojection?

From the master branch and examples @ https://github.com/DotSpatial/DotSpatial the following fills the xy array with NaN but we expect 1755668,5922511 Dim x As Double() = {2666109} Dim y As Double() =...
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What events are fired when a feature is copy and pasted?

I am trying to detect when a feature has been copied and pasted. The OnCreateFeature event fires, but I cannot tell if the feature object was copy/pasted. Is there an event or other method to ...
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2answers
83 views

Dialog Box Run-time error in ArcObjects

I am trying to open a dialog box which shows up only raster datasets so that I can select one and create Hill shade based on it. But I am facing a run time error for Dialog box when I click on the ...
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1answer
1k views

GeoJSON.Net Serializing to valid GeoJson file

Using the GeoJson.Net lib, how do I serialize a GeoJson.Net.Geometry.MultiPoint to a VALID MultiPoint GeoJSON file? All I can find is how to serialize a random Geometry object to a JSON file that ...
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167 views

ESRI Workspace Domains sometimes not implementing ICodedValueDomain2

I am attempting to use the .SortByName() and .SortByValue() methods of the interface ICodedValueDomain2. I use the same extension methods from an IWorkspace, however if I open the IWorkspace from an ....
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30 views

arcmap ExportFrame on FocusMap inconsistency

I have an issue where the ExportFrame would use the extent instead of the full extent after right clicking on arcmap and selected "Full extent". Sometime it will use the ExportFrame of the full ...