Questions tagged [.net]
A framework, developed by Microsoft, that compiles any of several COM-based programming languages into machine-executable language.
413
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Trouble with a line intersection algorithm
So to put this in perspective, I have a DXF file, I parsed the lines from the DXF file and I have to create polygons from those lines. I decided to save the created polygons from those lines to SVGs ...
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1
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59
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Open a vector .TAB (MapInfo Pro) file using C# (Net6.0) and GDAL
I'm trying to open a vector file using GDAL's C# bindings. However, running the below code keeps returning null instead of a Dataset for some reason for the dataset variable.
I've installed GDAL (v 3....
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14
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Hitting REST Feature services via console app (C#)
I have a console app that currently leverages arcObjects through a desktop license.
We are going to need it to transport data to and from a traditional versioned gdb to and from feature services along ...
- 213
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33
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Getting colour of raster for specific value based on its symbology using ArcObjects
For the software I'm working on I'm trying to get the colour that a raster would be using to display any given value based on the symbology set up for it.
I've been more or less able to work this out ...
- 119
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16
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ESRI ArcGIS: FDO_E_VERSION_REDEFINED - .NET Application
I have an application for ArcGIS 10.6 which it's built as follows:
A class called Geodatabase, which implements the interface IDisposable
Inside the class, there are some methods, like:
...
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45
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How the toolbox works after triggering in arcgis pro
I wrote an add-in in ArcGIS Pro, when a button is clicked into a button, I go and trigger the toolbox, that is, a .pyt file is triggered and the toolbox comes directly, there is no problem until here, ...
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2
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382
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NetTopologySuite distance between polygon and point in meters
I want to get distance between polygon and point in meters. When I'm using Distance() method I get it in cartesian units. How can I get in meters? I tried looking for solution but I can get only how ...
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51
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More than one ArcEngine GeoProcessor run at a time (concurrent)
I'm trying to run more than one AddRastersToMosaicDataset geoprocessor at the same from a test .NET 4.8 C# console application. So far I tried the below approach running in threads but it seems as if ...
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31
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In MAPGUIDE using .NET (aspx file) from OSGEO examples for MAPGUIDE, Cyrillic does not work
I did the following:
I loaded in CODE WRITER the file - ..\Web\www\dotnetviewersample\findaddress\findaddressmain.aspx
I changed:
Find Address
Search for an Address
Address:
...
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1
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107
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Incorrect coordinate translation using GDAL.NET compared to gdaltransform and epsg.io
I am working on a project to convert between one coordinate system, provided by an EPSG code, and EPSG:4326 or EPSG:4979 (WGS84 CS to include heights above ellipsoid).
Testing the following ...
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34
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Basemap in ArcGIS Runtime API for .NET WPF
I have a problem displaying the basemap. I can see my map via API but basemap is not coming.
What is the problem?
Here is the function:
Basemap Basemap = new Basemap(BasemapStyle.ArcGISDarkGrayLabels);...
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2
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1
answer
55
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Can geodatabase edits be canceled/modified with ArcObjects?
I am working on some tools to automate some field data collection. I would like to restrict the user's ability to delete features (such as when the DELETE key is pressed, or if the MERGE editor tool ...
- 5,787
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144
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GDAL Inverse Coordinate Translation
I have data in WGS84 and when I translate it to ED50 it doesn't appear in the correct place using GDAL and C#. I use CoordinateTransformationOptions.SetOperation using c# to set the specific ...
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1
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C# transform coordinates using specific transform code using GDAL
I have an application that can import / export geospatial data to / from an ESRI SDE Database (SQLServer). The data is transformed to WGS84 before it is inserted into the DB and again from WGS84 to ...
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1
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316
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Getting raster layer path in ArcGIS Pro using C#
I am creating an ArcGIS Pro Extension. I need to know the layer's path.
To get the layer path, code developed so far:
var pointLayer = MapView.Active.Map.Layers.OfType<FeatureLayer>()....
- 163
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1
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215
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Disable panning after loading a layer in ArcGIS Runtime
I have a MapView, I am loading a base map, and then I am loading a layer. Then I am setting the View Point to be that of the extent of the layer. The map loads and is zoomed to the extent of the Layer....
- 614
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52
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ExecutionEngineException due to getting SpatialReference parameters
We developed an ArcGIS .NET extension. The input datasets are one polygon and one raster layer. At first, we checked the SpatialReference of the layers. If the SpatialReferences are different, we show ...
- 163
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1
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252
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Storing MultiSurface and PolygonPatches in SQL database - conversion to basic OGC geometry types
I am new to GIS.
I am working on a requirement of storing in the database administrative units (states, counties, communities, cities, etc.) as geometries (borders / areas) in order to be able to make ...
- 121
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0
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598
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Convert MultiLineString geometry object in GeoJSON to WKT in SQL
I am trying to import a geographical object into SQL server from a GeoJSON file. So far i've managed to import all types of object into my database except for MultiLineString objects. I can't seem to ...
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220
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Draw line perpendicular to other line in ArcGIS Pro core host application
I am trying to draw a line perpendicular to a line segment in an ArcGIS Pro core host application. There used to be a construct point in the ArcMap SDK but it is not there any more. This is being ...
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151
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Is there a .NET ArcGIS Server REST Wrapper library that supports 10.6 or later?
I am looking for a .NET wrapper for the ArcGIS Server REST API. I have found several on nuget and github but they haven't been updated in several years.
I didn't see a a REST wrapper on https://...
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2
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557
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How to seralize ArcGIS JSON to .Net core object?
I want to get ArcGIS JSON response (like here) from server and save it to my database. I am using .Net core and entity framework net topologysuite for CRUD operations database. But I coud not convert ...
- 1,674
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641
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Arc 1960 / UTM zone 36S to Lat Long for Google Maps
I have this coordinate (778597.3125000001, 9148353). I am told this coordinate is Arc 1960 / UTM zone 36S.
When I go here: https://epsg.io/21036 and click "Get Position on Map" and enter in ...
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553
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How do you access PostGIS geometry data from .NET
I have a PostgreSQL / PostGIS database with both geometry and non spatial columns
I created a new Console App .Net framework project and added these nuget packages
EntityFramework
pgsql
...
- 89
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1
answer
707
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Getting HRESULT E_FAIL error when trying to open database connection via connection file
I developed an Addin in ArcGIS Pro 2.5 where I am using connection files to open database connections at runtime. So far that worked perfect. The connection files are stored on a network drive, ...
- 1,187
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1
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43
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ArcObjects access to ArcMap's Geoprocessing Results
Is it possible to get ArcObjects access to the geoprocessing results that show up in the geoprocessing Results window in ArcMap?
I'm looking to remove results from geoprocessing operations that are ...
- 2,368
2
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0
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481
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Create Esri File GDB from DataTable .Net Core?
I have data stored in a database in PostgreSQL created and handled via EF with dbContext in .Net Core. I need to export some tables into FileGDB using opensource libraries (I don't want to restrict ...
- 1,469
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1
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174
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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 ...
- 665
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121
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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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1
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222
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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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1
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67
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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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1
answer
931
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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 are also needed.
I have created a new Geodatabase using this ...
- 163
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1
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82
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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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0
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117
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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 ...
- 21
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1
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21
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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 ...
- 1,539
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0
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326
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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 ...
- 111
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3
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1k
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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 ...
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1
answer
955
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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 ...
- 436
3
votes
1
answer
328
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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 ...
- 249
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31
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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 ...
- 143
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1
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75
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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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3
votes
1
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770
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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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1
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109
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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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134
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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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1
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110
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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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2
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44
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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)
{
...
- 165
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2
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599
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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....
1
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1
answer
630
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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 ...
- 3,225
2
votes
1
answer
114
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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 ...
2
votes
2
answers
3k
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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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