Questions tagged [c#]

C# is a .NET programming language.

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SimplifyPolygon Class in ArcObjects10.6

I want to use the SimplifyPolygon Class that existed in ArcObjects 10.3 in ArcObjects 10.6, but I cannot find it in 10.6. Does anyone know how to apply the SimplifyPolygon Class in ArcObjects 10.6?
momo's user avatar
  • 1
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25 views

Rasterizing GeoJSON in C# to generate TIFF file

I'm trying to use gdal and C# to rasterize a GeoJSON object to TIFF. I can get my code to compile and run but the image is coming up blank. I'm not sure what I'm doing wrong. Maybe I need to specify ...
Tommie Jones's user avatar
1 vote
0 answers
30 views

Programmatically check if editing session in progress for ArcGIS Pro SDK

I have a C# Add-In program for ArcGIS Pro. I would like to check if the user is currently editing, or no. I recommend my users carefully toggle their edit sessions, following the recommendation in ...
lep's user avatar
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21 views

How to make a Dynamic Resource ESRI Button as small as needed in an ArcGIS Pro Window?

How to make a button, on a ProWindow in an ArcGIS Pro Add-in, as large or small as I need? To create an Add-In for ArcGIS Pro, that adjusts for both dark mode and light mode, one needs to use the xaml ...
lep's user avatar
  • 117
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13 views

Add point name and style point layer C# NetTopo DotSpatial

How can I add point name and style? The point layer as blue and ellipse. My code is below: for (int i = 0; i < featureCollection.Count; i++) { List<Coordinate> ...
ayaz's user avatar
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28 views

Problem with Triangulation

I have a polygon: POLYGON((10 12,10 8,9 8,9 13,10 13,10 15,11 15,11 13,12 13,12 15,14 15,14 13,15 13,15 8,13 8,13 12,12 12,12 9,11 9,11 12,10 12)) and I need to triangulate it, so what I'm doing is ...
user17952421's user avatar
1 vote
0 answers
66 views

Create a Pixel-Is-Point GeoTIFF using GDAL C# Bindings

What is the appropriate way to create a GeoTIFF using GDAL such that the georeferencing is done based on the Pixel-Is-Point interpretation? My assumption is that this is the best bet at ensuring that ...
vquixote's user avatar
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1 answer
59 views

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....
Richard O's user avatar
0 votes
1 answer
76 views

View a single band floating-point GeoTIFF (generated with GDAL) in QGIS

I am a novice with GIS and geospatial data, so I may be missing something basic. I am working on a process which takes an input PNG, performs a calculation on each input pixel and writes the result to ...
vquixote's user avatar
1 vote
0 answers
39 views

Improving performance when loading data in current Map using ArcGIS Pro SDK and C#

I want to load data into a current map in ArcGIS Pro 2.9. For this purpose, I want to use a .lyrx file. Currently, I have implemented it with: Uri uriLayerPath = new Uri(strLayerPath); LayerFactory....
Stephan's user avatar
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2 answers
40 views

How to set and read a version in an ArcGIS Pro AddIn-File?

I am creating a c# AddIn for ArcGIS Pro 3.1. As there are a lot of users I want to use our deployment tool. This tool works with the version of the file to check if there is a need to deploy a new ...
Gener4tor's user avatar
  • 125
1 vote
2 answers
77 views

Using temporary layer in ArcGIS Pro

I use C# for creating an AddIn for ArcGIS Pro 3.1. One of the features of the AddIn is to jump to a position. var wgs84 = SpatialReferences.WGS84; var pointInWGS84 = MapPointBuilder.CreateMapPoint(...
Gener4tor's user avatar
  • 125
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0 answers
32 views

C# - Add GroupLayer to Active Map (ArcGIS Pro)

I'm trying to add a groupLayer to active map using C# and ArcGIS Pro. Devloping a plugin. This is my sample code or what I've tried so far: Esri.ArcGISRuntime.Mapping.Map myMap = new Esri....
Luiz's user avatar
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14 views

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 ...
Michael Rut's user avatar
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107 views

Creating line on map using DotSpatial C#

To create a line on map using DotSpatial, I wrote below code but it returns Error CS0029 Cannot implicitly convert type 'NetTopologySuite.Geometries.Coordinate' to 'DotSpatial.Topology.Coordinate' #...
ayaz's user avatar
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1 vote
1 answer
60 views

AddGeometryColumn not creating column on new Spatialite database

I'm creating a new Spatialite database using c# and .net through the following code: using var connection = new SqliteConnection($"Data Source={Path.Combine(outputDirectory, "data.db")}&...
Walter's user avatar
  • 249
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0 answers
33 views

SqlGeometry STBuffer producing abnormal polygon shape

I am currently not able to figure out what is causing the abnormal shape when drawing a polygon onto the map as shown below. Instead of being a complete polygon, there seems to be a triangle in the ...
KJSR's user avatar
  • 101
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0 answers
39 views

No layers in the exported image of the MXD project using C#

I have created a console application to export the active view of an MXD document using C# ArcObjects. The app works, but for some reason the exported image is missing all the layers in the map and ...
shadow031's user avatar
1 vote
2 answers
99 views

Points and MultiPoints while generating SHP file with NetTopologySuite

I'm trying to generate an SHP file from geometries I have in Postgres DB. Everything goes well with LineString / MultiLineString and Polygon/MultiPolygon, but there is and issue with Point / ...
predefined_'s user avatar
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0 answers
7 views

How to pass a URL into a dockable window?

How to pass a url into a dockable window? ''' public static IDockableWindow GetDockWin(string windowID) { UID dockWinId = new UIDClass(); dockWinId.Value = windowID; ...
lep's user avatar
  • 117
1 vote
0 answers
51 views

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 ...
Andy Arismendi's user avatar
2 votes
1 answer
126 views

Incorrect coordinate conversion results from ProjNET when converting across horizontal datums

Been fighting this for almost a week now, so I'm hoping that someone here has some insight or can tell me the obvious thing I'm missing. I am trying to add programmatic coordinate conversion on the ...
Ruud A.'s user avatar
  • 21
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1 answer
107 views

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 ...
TJames's user avatar
  • 29
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0 answers
70 views

Your login name has no roles assigned for the loaded extensions. ArcFM

i am trying to access process framework module in ArcFM using C#. connString = $"DRIVER= {driver}; SERVER= {server}; DATABASE= {database}; PORT= {port}; UId= {userId}; Password= {password}; ...
Vikrant Jain's user avatar
1 vote
2 answers
151 views

Leaflet script error

I use Leaflet in my WPF C# program. I want to draw polygon on the map. I use System.Windows.Forms.WebBrowser for showing the map: <Grid> <WindowsFormsHost Name="wfhSample"> ...
Nickname Nick's user avatar
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0 answers
51 views

Errors in GP Tool when executed within C# application

I have a custom geoprocessing task written for me in python that takes 2 inputs - input_rows.csv and event_rows.csv - and creates a file gdb with a feature class of a join of these 2 tables. ...
mfowler's user avatar
  • 345
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0 answers
86 views

Issue with GDAL Translate of a PDF to JPG and subsequent Gdalwarp EPGS:3338 (Alaska) to EPGS:3857 (Mercator)

I am quite new at GIS (GDAL and QGIS) but I was able to do 90% of what I need until I got this issue. I have downloaded two files of FAA (one PDF and one TIFF attached here) for the same area of ...
novreis's user avatar
  • 11
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0 answers
178 views

How to load spatial data from PostgreSQL to Visual Studio Window Form

I am a beginner in Visual Studio. I want to load spatial data from PostgreSQL to a GMap Windows form. I have no idea how to load that data, though now I can add normal coordinates direct (longitude ...
fridt's user avatar
  • 1
0 votes
1 answer
48 views

Creating DbGeometry instances that honor SRID

I maintain an ArcMap Add-in tasked with allowing people to see & edit some native SQL shapes in ArcMap, which of course require working with SqlGeometry and DbGeometry types. Converting between ...
Dan Narsavage's user avatar
-2 votes
1 answer
55 views

Upload and Display Image with Location coordinates [closed]

I want to upload an Image on Map and the image should contain some coordinates that when uploaded should display in the same location as the coordinates, I am working on C# and Wpf.
Mihir Choudhary's user avatar
0 votes
0 answers
226 views

Open OracleSpatial Layer via Ogr2ogr in C#

I want to transport an OracleSpatial Layer to Postgis. From within OSGeo4W-Shell this works very well. But from C#-Console-App the DataSource is null but no error occurs. Here is what I have tried: ...
Frau Schmidt's user avatar
  • 1,181
2 votes
2 answers
235 views

Set snap raster in GDAL(C#) rasterize functions

I want to set snap raster for the function rasterize of GDAL, but I can not found. The options parameters are as the following code (C#). What is wrong? rasterizeOptions = new string[] { "...
yixing's user avatar
  • 21
2 votes
1 answer
510 views

C# GDAL spatial transformation (reprojection) always fails

I have a C# project that may load several vector data files and then needs to transform the spatial reference system (whichever used) to WGS84. I tried mostly the way described here, and also cannot ...
BAGZZlash's user avatar
1 vote
0 answers
267 views

How can I access PostGIS Topologies with C#?

I would like to access a PostGIS Topology with C#. I looked through the nPgSQL PostGIS/NetTopologySuite Type Plugin but didn't see anything. With the word topology appearing in so many places, I may ...
Kirk Kuykendall's user avatar
0 votes
0 answers
144 views

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 ...
OoopseyDoodle's user avatar
0 votes
1 answer
138 views

Having trouble with Mapbox Isochrone FeatureCollection return type

I'm making a call to the Mapbox Isochrone API to obtain a FeatureCollection with this code: string getIso = lng.ToString() + "," + lat.ToString() + "?...
hatchetaxesaw's user avatar
0 votes
1 answer
105 views

Open split view maps using ArcGIG Pro SDK

Related to this question : Adding new map to current project using ArcGIS Pro .NET SDK? , however this question is quite old and not exactly what I am looking for. I want to create an add-in that ...
B.Quaink's user avatar
  • 455
1 vote
1 answer
208 views

Geocoordinates to pixel value in GDAL?

I'm trying to read a GeoTIFF with one band which stores a value between 0 and 3 ( 255 is no maks ). My Goal is to write a little program which takes in a latitude/longitude and returns the fitting ...
genaray's user avatar
  • 121
0 votes
0 answers
62 views

ReadRaster returns wrong pixel value

I'm trying to read a GeoTIFF with one band which stores a value between 0 and 3 ( 255 is no maks ). I downloaded it from here : https://dataverse.harvard.edu/dataset.xhtml?persistentId=doi:10.7910/DVN/...
genaray's user avatar
  • 121
0 votes
1 answer
509 views

Extracting the pixel value of a geocoordinate from a GeoTIFF [closed]

I have a simple GeoTIFF file where I want to query the pixel value of a certain geocoordinate. I have no experience in this topic and there nearly no tutorials or whatever about this topic. All I know ...
genaray's user avatar
  • 121
0 votes
1 answer
306 views

Invalid JSON When loading Hosted FeatureLayer from ESRI Portal via ArcGISRuntime C#

First time using ArcgisRuntime in C#. I need to be able to query data from hosted feature layers from an internally hosted (enterprise) ArcGIS Portal. I'm using the Tutorial examples on ESRI's dev ...
ErikJL's user avatar
  • 17
1 vote
1 answer
958 views

Convert local coordinates to WGS84 in C#

Some people working on a the construction site use a local custom coordinate system. I have been given a proj4 string like this: +proj=omerc +lat_0=46.325454996 +lonc=7.99050231 +alpha=60.4026421358 +...
Philiz's user avatar
  • 153
0 votes
1 answer
277 views

How would you configure Brutile to use Macrostrat.org as a tile server

I am wanting to create a active tile layer in a C#, WPF application that uses Mapsui and Brutile. Using Brutile, can geology map available MacroStrat.org be used as a map tile source? Macrostrat.org -...
Earth Science Expatriate's user avatar
3 votes
1 answer
261 views

Can you create a standalone program using the QGIS API? (Not QGIS Plugin.)

Can you create a standalone program using the QGIS API? (Not QGIS Plugin.) The functions of QGIS that our team uses are limited, so I would like to create a GUI by collecting only the functions that ...
bsg's user avatar
  • 467
1 vote
0 answers
243 views

How to calculate the daylight saving time given a latitude and longitude [closed]

I've been using an algorithm (https://gist.github.com/assaflavi/fc8cf83c167558ebf3ab159b5c5b0df2) to calculate sunrise and sunset times given a latitude and longitude and it works fine but this ...
PotatuesFri's user avatar
2 votes
1 answer
1k views

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 ...
OoopseyDoodle's user avatar
1 vote
1 answer
352 views

How to successfully project the map extent into a different spatial reference with C# and ArcGIS Pro SDK

I am having a really difficult time trying to project the map extent (WGS84) into an envelope of a different spatial reference (Web Mercator or UTM). I have tried multiple ways of changing the ...
Weequay's user avatar
  • 71
0 votes
1 answer
293 views

Converting screen pixels to map units with C# using ArcGIS Pro SDK

I am looking to create polygons (halos/rings) around the mouse cursor programmatically with C# using the ArcGIS Pro SDK. I have figured out how to create the halos by using System.Windows.Forms....
Weequay's user avatar
  • 71
0 votes
1 answer
259 views

How to move the center (centroid) of a circle programmatically using C# and the ArcGIS Pro SDK

Is there any way to move the center (centroid) of a circle/polygon to a new X/Y on the map, such as the current mouse location in C# using the ArcGIS Pro SDK? I have a solution that I found that ...
Weequay's user avatar
  • 71
0 votes
0 answers
58 views

Highlight a feature in ArcMap from a web page

I have a web page that calls a PowerShell script to switch to ArcMap. I only want one instance of ArcMap running. If I open a new instance of ArcMap I can easily pass the PlotId as an Argument. ...
Ruairi's user avatar
  • 11

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