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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1answer
29 views

Adding GeoPackage to ArcGIS Desktop using ArcObjects

How do I add a GeoPackage layer to ArcGIS Desktop using ArcObjects code (preferably c#)? From the ESRI documentation: The WorkspaceFactoryProgID identifies the ProgID of the WorkspaceFactory object ...
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1answer
21 views

Setting DockableWindow Initial Size ArcObjects .NET SDK

In an ArcMap custom tool I used DockableWindow for user interaction. I want to set a size for the window while initial opening. I changed the height and width of InitialPlacement. After changing it ...
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1answer
23 views

Converting lat/long to northing/easting given data from a .prj file [duplicate]

I have been given the a file containing a bunch of lat long coordinates along with this information that came from a ".prj" file alongside a ".shp" file: GEOGCS["GCS_GDA_1994&...
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1answer
21 views

ArcGIS .Net SDK publish shapefile to ArcGIS Online

I am quite new with ArcGIS Online and their .Net SDK. I am trying to load shapefile into my ArcGIS online account using .Net SDK. On the ESRI tutorial portal, there is 0 information about it, all is ...
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14 views

SQL Server update statement using .NET made function does not run

In SQL Server I have a table called Track containing metadata of each track and a spatial representation of it: the field Geo, which is a LineString of the geography type. In Visual Studio I developed ...
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1answer
39 views

Creating new Geodatabase, FeatureClass, Table and adding Fields using ArcGIS Pro .NET SDK

I need to create a new Geodatabase and creating FeatureClass, Table in the Geodatabase. After that adding fields in FeatureClass and Table is also needed. I have created a new Geodatabase using this ...
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1answer
34 views

Running MosaicToNewRaster tool fails. C#

I am currently trying to run the MosaicToNewRaster tool via C#, on a set of TIFF files. I am inputting all the required parameters but am still receiving: ERROR 000582: error occurred during ...
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0answers
38 views

Lost ArcMap Add-in Toolbar Built with ArcObjects SDK in .NET and Problem with AssemblyCache folder and ArcGIS Cache Manager

Our organization manages an ArcMap 10.6.1 add-in written using the ArcObjects SDK for .NET Framework 4.7.2. We publish the add-in file to a server folder. We edited the registry to make ArcMap look ...
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12 views

CORS policy issues in .Net Core

So I have a .net core app which currently throws an error in console saying: Access to XMLHttpRequest at 'https://app.test.mk/arcgis/rest/services/karpos/Karpos_Vector_Izvodi/MapServer?f=json&dpi=...
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0answers
33 views

Import a shapefile into PostgreSQL using npgsql (.NET)

I want to import a shapefile (.shp) into a PostgreSQL database through a .NET application. I plan to use npgsql but I am unable to figure out how to import a shapefile using this library. PostgreSQL ...
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1answer
19 views

Geoprocessor cannot find input data, but only for some users

I am developing a stand alone application that at some point needs to run Dissolve on a subset of data in a feature class. This code works for me without issue, regardless of workstation. When another ...
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49 views

How to read the Microstation element attribute values from .Net C#?

I am using following code for read the element attribute from index.But it shown the error like Unable to cast object of type 'System.Object[]' to type 'MicroStationDGN.DataBlock[]'.Is there any ...
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1answer
199 views

Is there a proj4 string for GDA2020 (epsg:7844) that we use to transform from 3857 or 4326 to gda2020 using dot spatial .net library

We are using dot spatial library for transformation from one projection to other. We are planning to include the new release GDA 2020 projections. Is it as simple as just adding the proj string for ...
2
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1answer
115 views

Activate Map on the click of a button ArcGIS Pro SDK

In this case, when an ArcGIS Pro project is opened, non map panes are active. I would like the map pane to be activated on the click of the button as proceeding code requires the MapView.Active to not ...
2
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1answer
48 views

GDAL failing to recognize OSM pbf file

I'm using the GDAL .Net library to open a PBF file I've downloaded from the GeoFabrik website. The file opens fine in QGIS. However when I call the Gdal.Open method on the file, it throws an exception ...
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0answers
63 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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0answers
13 views

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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1answer
32 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 ...
2
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1answer
220 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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1answer
41 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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0answers
48 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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1answer
47 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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2answers
26 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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2answers
246 views

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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1answer
146 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 ...
2
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1answer
56 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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2answers
554 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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1answer
465 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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1answer
288 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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0answers
288 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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1answer
161 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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1answer
819 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
708 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 ...
4
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1answer
3k 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 ...
2
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1answer
63 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 ...
3
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1answer
53 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 ...
2
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1answer
120 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....
4
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1answer
114 views

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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1answer
126 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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1answer
2k 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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0answers
68 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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1answer
153 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 ...
2
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1answer
305 views

Getting 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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0answers
423 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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1answer
212 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 ...
2
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1answer
249 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
225 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
110 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 ...
5
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0answers
568 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 ...
4
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1answer
289 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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