Questions tagged [connection]

for questions related to the connection of some GIS software to a database

Filter by
Sorted by
Tagged with
0 votes
1 answer
29 views

Delete Features of a layer from PostgreSQL on QGIS itself

I have layers that I need to edit using QGIS that I import from my company's PostgreSQL server. I currently have the ability to add features, for example the line that I have drawn below: However, ...
Nandula's user avatar
  • 783
3 votes
0 answers
57 views

How to close a GDAL PostGIS connection?

This issue has been bugging me for years, desperation got the better of me so now I'm here to seek the help of the public. I'm storing raster data in a PostGIS database, and I'm using GDAL from Python ...
Jeroen's user avatar
  • 31
0 votes
0 answers
23 views

Create network from GPS coordinates QGIS

I'm trying to map all the recent flights that a friend has taken. I have GPS coordinates in excel that I've converted into a .CSV file and imported into QGIS. I now have one layer of origin airport ...
nicogis's user avatar
4 votes
1 answer
242 views

Drawing line arrow from origin/destination coordinates fields using Geometry Generator in QGIS

From the following table structure with the fields "ORIG_LATITUDE", "ORIG_LONGITUDE", "DEST_LATITUDE", "DEST_LONGITUDE": I clarify that the field names ...
Ingrid Ingravida's user avatar
1 vote
0 answers
110 views

Why QGIS removes the XYZ Tile Connection Referer?

In QGIS when i make a XYZ Tile connection with a referer, QGIS removes the referer! Why? See animated gif:
Exceere's user avatar
  • 21
1 vote
0 answers
48 views

Read the URL in the QGIS Layer's Tooltip [duplicate]

From a YouTube video, I made a screenshot for the QGIS layer's tooltip that contains URL of the XYZ tiles connection (See attached pic). How can I read this URL and re-use it to make the same ...
Exceere's user avatar
  • 21
0 votes
0 answers
156 views

Could not list layers for this store, an error occurred retrieving them: Cannot find JNDI data source: java:comp/env/jdbc/postgres

While creating a PostGIS featuretypes using request method of python or add a layer using geoserver getting error like "Could not list layers for this store, an error occurred retrieving them: ...
JAYKUMAR GUPTA's user avatar
0 votes
0 answers
305 views

Autodesk to ArcGIS Portal Connection limits loaded features in Civil 3D

I am using the Autodesk Connector for ArcGIS in a Civil 3D project to connect to data my organization has stored in its ArcGIS Enterprise Portal. I have found that any vector layer I connect to using ...
Finn's user avatar
  • 1
1 vote
1 answer
307 views

Accessing SpatiaLite tables in custom QGIS Plugin

I have a SpatiaLite database that has relational tables to link geo entities that can be reflected in QGIS as layers. To link the relations I need some custom forms where I can select these entities ...
Pixelfahnder's user avatar
0 votes
0 answers
178 views

Connection errors with PostGIS database

I am trying to import vector data into a managed PostGIS database with QGIS and I get this error: server closed the connection unexpectedly This probably means the server terminated abnormally before ...
Enzo Baldini's user avatar
  • 2,337
2 votes
2 answers
2k views

ArcGIS Pro (Catalog Pane) will not make folder connection to external hard drive

I have an external hard drive that is storing spatial data and ESRI 10x projects. I would like to add this letter drive as a folder connect but ArcGIS Pro v2.9 seems unwilling or unable to do this. I ...
GBG's user avatar
  • 9,757
1 vote
1 answer
2k views

Authentication method 10 not supported (QGIS)

I have a problem when I am trying to connect the database that I have in pgadmin with my QGIS project. I am trying to create a New PostGIS connection like in the following picture: But I am always ...
Anas.S's user avatar
  • 223
1 vote
2 answers
298 views

Create one PostGIS connection in QGIS with multiple databases from one host?

I have a number of spatial databases each containing multiple schemas on one server, I want to use QGIS to examine layers, Is it possible to create one PostGIS connection in QGIS and add all databases ...
Boskic777's user avatar
1 vote
0 answers
54 views

PostGIS table visualization in QGIS without download permission

I'm used to work with PostGIS databases and accessing them from QGIS. I know how to create schemas or grant permissions, but I was wondering if it is feasible to set a user profile that could "...
jpinilla's user avatar
  • 3,230
1 vote
0 answers
352 views

Failure to connect QGIS to FIRMS WMS - Failed to download capabilities

I'm following this tutorial from (NASA) FIRMS that shows how to ingest FIRMS fire data into QGIS. I've followed the first steps but I get the following error: Failed to download capabilities server ...
Ludovic Beghin's user avatar
0 votes
0 answers
267 views

Unable to connect ArcPy with ArcMap to MS SQL Server accessed via ArcSDE

Why can I not connect my ArcPy to our enterprise database hosted on a Microsoft SQL Server? I'm running Python 2.7, ArcMap 10.6.1, MSSQL Server 12.0 (2014) I've created an SDE connection file in ...
megabytes's user avatar
0 votes
1 answer
118 views

Remove gpkg delated QGIS

I accidentally deleted a gpkg file from QGIS browser… I thought it was to delete the connection and the file was deleted… does anyone know any way to recover it? Does QGIS save deleted files somewhere?...
Anna Seuba i Barcons's user avatar
1 vote
0 answers
65 views

Unable to logon when connecting to Oracle database with QGIS 3.20

After I updated QGIS to 3.20 my old oracle connections doesn't work anymore. I get the message "Unable to logon". Under QGIS 3.16 everything works fine. This is what I have read in the ...
Hotto's user avatar
  • 11
0 votes
0 answers
136 views

PostGIS database connection

I am basic QGIS user and I have database created and data loaded in it. However, when I try to connect to the database, I am getting the following error. Connection failed - consult message log for ...
user153171's user avatar
1 vote
1 answer
550 views

Unable to logon when connecting to Oracle database with QGIS

I started using QGIS recently and wanted to connect it with our database set on a standalone server. the database installed is (screenshot below). Windows ODBC and lister are well configured, the ...
DarKing's user avatar
  • 83
1 vote
2 answers
347 views

Connect to Oracle SQL DB using JDBC connection

My IP address changes frequently and hence I use ssh tunnel via bastion host to connect to Oracle SQL DB. I used JDBC to connect to the Oracle SQL and it works successfully. However, I want to connect ...
Swathi Venkatesh's user avatar
1 vote
2 answers
680 views

QGIS - How do I embed my layer's database connections into the project (rather than DB Manager)? [closed]

Situation: I have projects, lots of projects. They call dozens of layers from the corporate PostGIS. This is largely public data, and the data is referenced via a readonly user account. As it happens, ...
Mat's user avatar
  • 27
1 vote
0 answers
214 views

How to define PG connection to a distant server for grass gis v.in.ogr?

OS: debian stretch ; GRASS version: 7.2. I'm writing a standalone python script using grass_session. with Session(gisdb="/tmp", location="mylocation", ...
jean pierre huart's user avatar
1 vote
2 answers
639 views

QGIS: RiverGIS: Couldn't connect to river database

Trying to connect to the PostGIS DB for RiverGIS fails with Couldn't connect to river database: var@localhost Please, check you database connection settings! This happens despite the DB being ...
SBerendsen's user avatar
0 votes
1 answer
306 views

MapServer FastCGI connection pool configuration

I posted this question in the MapServer User mailing list but hoping I can get more eyeballs on it here. I'll update both threads if I make any progress. The MapServer LAYER documentation says the ...
tomfumb's user avatar
  • 3,678
0 votes
1 answer
137 views

Access MDB connection file result does not have an object ID in ArcGIS 10.8

I have made an MDB Access Connection by linking the Excel file with the Access one, but when I looked at the result in ArcMap the feature class table does not have an Object ID on it. I tried to ...
Mounir AB's user avatar
2 votes
0 answers
168 views

Connection pooling in OGR PostgreSQL driver

OGR (GDAL) provides a vector driver for "PostgreSQL" and data in the DB can be accessed with something like the following: driver = ogr.GetDriverByName("PostgreSQL") datasource = ...
tomfumb's user avatar
  • 3,678
1 vote
0 answers
1k views

Connecting nodes to existing network lines using QGIS

I have road network (polyline layer) and point layer: I am trying to connect nodes to the existing network lines. I able to connect nodes with lines using connect nodes to lines in Networks in QGIS ...
Case Msee's user avatar
  • 855
5 votes
2 answers
947 views

Connecting points with line using virtual layer in QGIS

I have 10 points in QGIS layer as shown in Image 1. I am trying to connect points with lines in required sequence as shown in Image 2. However, when I tried to connect all points with virtual layer, ...
Case Msee's user avatar
  • 855
4 votes
2 answers
757 views

Connecting points with line in a specific sequence

I have 6 points in one layer as shown in the first image. I am trying to: connect points with lines in a required sequence. Save data of line connections (From_point and To_point) in the seperate ...
Case Msee's user avatar
  • 855
8 votes
1 answer
352 views

Connecting points with lines and saving starting and ending points in new layer

I have 3 points in one layer as shown in the first image. I am trying to connect a building points with junction point by 2 lines. For demo, I have manually drawn a lines in image 2. Here, I am trying ...
Case Msee's user avatar
  • 855
1 vote
0 answers
36 views

Connect to single table within a MSSQL database or terminate connection to database once layer added to QGIS project?

I'm connecting to MSSQL server '123' that contains 100s of databases and I am connecting to just database 'ABC'. 'ABC' contains roughly ~700 tables. Once I add the 'xyzTable' as a layer to my QGIS ...
bhayes's user avatar
  • 11
3 votes
1 answer
108 views

Saving Starting / Ending points of connecting line in attribute table

I have 3 layers ( 1 line and 2 points) as shown in image. The layer id,s are mixture of integers and text such as cable4389175, node1 , service_point5316. I connect the two point layers (node and ...
Case Msee's user avatar
  • 855
1 vote
0 answers
220 views

Create PostgreSQL ODBC Excel table

I want to allow a non-GIS user edit a CSV file which is hosted on QGIS Cloud on a PostGIS database. My method is to load the table from the QGIS Cloud database into Excel via ODBC. Here are my steps ...
James B's user avatar
  • 2,139
2 votes
1 answer
1k views

Opening gdb in QGIS

I have been given an ESRI gdb file by a vendor. I can connect it in the usual fashion in QGIS but it only shows a couple of the layers that are contained and they show no entities in them. Has anyone ...
Mikeoramma's user avatar
4 votes
2 answers
2k views

Connection to ArcGIS Server via QGIS fails

I am trying to load this map that comes from an ESRI Server in QGIS. I tried two different ways: DATA SOURCE MANAGER / PROTOCOL HTTPS or FILE and then adding the URL. When I do this it fails and ...
David Jimenez Iniesta's user avatar
3 votes
0 answers
297 views

Connecting to Azure PostgreSQL using domain user account through QGIS

We are using QGIS over the top of an Azure PostgreSQL database. We have it working using SQL user / password combination but security policy dictates this should be a domain user authenticated ...
fuzzybear's user avatar
0 votes
1 answer
1k views

Extending lines using ArcGIS Pro

I am using ArcGIS Pro 2.6.1. I have massive map of roads in multiple road files. I need to extend lines to their intersect point. Intersect tool does not seem to work to my satisfaction. Any other ...
Roman Pilip's user avatar
0 votes
0 answers
26 views

Connecting ArcMap to secure folder

I am accessing data from a National Data Services secure server. Within the server, all my project data is in one folder, and applications like ArcMap are in a separate folder. In ArcMap, "add ...
Kerri's user avatar
  • 23
2 votes
1 answer
265 views

Access SpatiaLite connections with PyQGIS QgsProviderMetadata (QGIS 3.10.7 LTR)

I would like to list spatialite connections and access a specific connectionwith PyQGIS. For postgres provider it's pretty straightforward: >>> QgsProviderRegistry.instance().providerMetadata(...
Jochen Schwarze's user avatar
1 vote
2 answers
360 views

Creating linear connections among points

I would like to create in an automatic way a linear feature representing the connections among all points using ArcMap or Python. That is I would like that each point is connected to the others one ...
Michele Papasidero's user avatar
2 votes
1 answer
109 views

Use QgsAbstractProviderConnection in PyQGIS (3.14)

I created a PostGIS connection named 'test_conn' and try to access it via from qgis.core import QgsAbstractProviderConnection con = QgsAbstractProviderConnection('test_conn') as described in ...
Jochen Schwarze's user avatar
3 votes
2 answers
124 views

Measuring distance between certain relations in QGIS

I need to measure the direct distance between busstops in meters, not taking roads/networks into account. I have the WGS 84 Coordinates + globalIDs for 28.000 pairs. I already imported the Busstops ...
yadigar3851's user avatar
0 votes
1 answer
918 views

Connection failure to WMS/WMTS or WFS

Why can't I connect to any of the Web Map Services (WMS/WMTS/WFS) in QGIS? I don't think its a problem with the servers I'm using, but more about QGIS not being connected to the internet maybe. The ...
Pod's user avatar
  • 9
1 vote
1 answer
349 views

Loading layers into QGIS - Heavy work in the background - Too many clients already

I am 3rd year geoinformatics bachelor student currently developing a QGIS plugin that will allow me to import a larger number of layers from the data storage (Postgres) into the software. For the ...
MatiasGIS's user avatar
0 votes
0 answers
80 views

Connect a Python script to a database

I need to run a script tool from ArcCatalog. It needs to access a feature class in an ArcSDE database so I can link the script to the layer as a source layer. I have connected the folder the script's ...
Regulus's user avatar
  • 113
1 vote
1 answer
656 views

Error Loading .xml file to WFS in QGIS

In this link xml-link, there is a .xml file from a website (WFS) which contains vector data regarding water bodies for a specific area. I saved it as .xml by just right-clicking -> "Save as" and I ...
Ilias Machairas's user avatar
3 votes
0 answers
144 views

Reduce QGIS project needed PostgreSQL connections

I have a QGIS project, based on data from a PostgreSQL database. The project should be used by a lot people from my company. In a performance test I noticed, that every person, who opens the project ...
joe_gerner's user avatar
0 votes
0 answers
28 views

Database Population in wrong Authentication Type

I've populated a database while connected to it as an editor with an Operating System Authentication Type. I should have populated it while connected to the Database as the GIS administrator with a ...
GV Le P's user avatar
1 vote
1 answer
2k views

GeoServer Connection Pool uses most available connections and not releasing them

We are using GeoServer with a geoserver cache for some layers. Most of our layer updates frequently and therefore we do not want to setup a cache for them (they do have in memory cache though). ...
Migael Hartzenberg's user avatar