All Questions

Filter by
Sorted by
Tagged with
0 votes
0 answers
4 views

qgis fill individual sink

I’m trying to determine the maximum extent of a pond when it is filled to its maximum capacity. I think this is the same logic as the sink filling algorithms used for hydraulically correct dem’s - but ...
tomtomnz's user avatar
  • 617
0 votes
0 answers
5 views

'ImportError: attempted relative import with no known parent package' when QGIS-Plugin code running in PyCharm

I have created a 'raw' plugin with the pluginbuilder. The structure is as follows: It runs perfectly when opened in QGIS. However, when I open the plugin-folder as a pycharm project and run the ...
i.i.k.'s user avatar
  • 1,755
0 votes
0 answers
15 views

Copy and Paste in QGIS for plugin

I want to create a plugin where I can choose a layer to copy and paste. For copying a layer, I will select the specific layer and choose the field and features. Then, for pasting the layer, I only ...
unknown's user avatar
  • 11
0 votes
0 answers
8 views

use ogr2ogr shp to s57 error

I have used ogr2ogr -f "S57" 12345.000 12345.shp -skipfailures --Debug ON, but it fails. The console show: GDAL: Proxy driver FileGDB not registered due to ogr_FileGDB.dll not being found ...
user251467's user avatar
2 votes
0 answers
15 views

QGIS rotate/translate features on several layers with different geometries simultaneously

I am working in QGIS with three vector layers (points, lines, polygons) and an aerial image. The features from these three layers are "connected", i.e. they should stay in the same position ...
Honeybear's user avatar
  • 2,494
0 votes
0 answers
19 views

QGIS - list/string comparison using SQLite

I'm using SQLite to process multiple queries while working with SpatiaLite layers. I need to identify which string has been added to a list after updating the layer. Currently, my approach involves ...
Giene's user avatar
  • 753
0 votes
0 answers
14 views

Performing Empirical Bayesian Kriging in Qgis [closed]

Does anyone know if a plugin to perform Empirical Bayesian Kriging (EBK) is being developed for QGIS? I'm interested in this method because, according to Perera-Burgos et al., 2024: "EBK is an ...
Mariana GN's user avatar
0 votes
1 answer
24 views

Putting points on map using ArcGIS Pro

I am trying to create a map that shows a shaded region and a bunch of labeled dots of landmarks in the area. For example, I want to have a map of New York City with Manhattan shaded and then a dot ...
asterlid's user avatar
0 votes
0 answers
16 views

To and from nodes in stream network using Whitebox Tools (in R)

I am experimenting with the WhiteboxTools via the WBT library in R. This is to design a scriptable and open-source workflow to extract stream networks from a digital elevation model (DEM). From ...
RJPS's user avatar
  • 51
0 votes
0 answers
31 views

QGIS CRS differs from CRS extent [closed]

I am having the same issue described in this post QGIS: CRS and CRS in extent different - what to do?, but there are no suggested fixes or answers. I have two polar grid layers, one created by me in R,...
Setophaga's user avatar
0 votes
0 answers
23 views

QGIS crashes when the script runs [closed]

I'm writing a script on PyQGIS, but when I start it, this always crashes and I don't understand the reason. Is there someone with the same problem?
Salvatore Diolosà's user avatar
0 votes
0 answers
11 views

Publish ArcGIS FeatureServer layers in GeoServer

Is it possible to publish layers from ArcGIS REST Service (ArcGIS FeatureServer) in GeoServer? If this service is not available as WMTS. Example: https://services2.arcgis.com/ZASkNq1SMoPvFBOv/arcgis/...
9 Val's user avatar
  • 1
0 votes
1 answer
29 views

Running script converted from PyQtDesigner on PyQGIS

I converted a .ui file of a project built on PyQtDesigner into a file .py. In an external IDE, the code works and the dialog window shows, while on the Python console in Qgis doesn't work. Here is the ...
Salvatore Diolosà's user avatar
0 votes
0 answers
21 views

Unable to update GML Multisurface after GeoServer upgrade

We are testing a (much needed) upgrade from GeoServer 2.17.2 to 2.25.1. We are currently stumped as to why we can't seem to be able to update or insert a multisurface using the same WFS transaction ...
CarteTon's user avatar
  • 116
0 votes
0 answers
5 views

Google Earth Engine JavaScript API reduceRegion vs. reduceRegions computation efficiency

Context I often need to calculate zonal statistics in the Google Earth Engine JavaScript API across many features in a feature collection. I usually use the reduceRegion() function and map over the ...
Thierry's user avatar
  • 119
0 votes
0 answers
11 views

xxx.reduceRegion is not a function [closed]

I'm new at coding in Gee and I have a "xxx.reduceRgion is not a function" error (line 94). The overall task is to extract 4 different indices from Sentinel-2 images for 40 sites in Canada, ...
Melanie Desrochers's user avatar
0 votes
1 answer
34 views

How to import other scripts in the same folder?

I'm writing a PyQGIS script and I would import in my script other external scripts. I tried in this way but the code doesn't work. from PyQt5.QtGui import * from PyQt5.QtCore import * import ...
Salvatore Diolosà's user avatar
0 votes
0 answers
10 views

MapLibre : Issue with style.json and tiles vector declarations in HTML

As explained and asked in Slack Forum : https://osmus.slack.com/archives/C01G3D28DAB/p1721219062146369?thread_ts=1721213195.422509&cid=C01G3D28DAB I want to use this TileServer: https://tileserver....
Raphael10's user avatar
  • 101
0 votes
0 answers
16 views

Using openid-connect access token and getting 403 in postman and 401 in logs

My keycloak is on 8080 and GeoServer is running on 8081. I have setup authentication using openid connect. I've set the openid-adapter using the below configuration from my screenshot. I've added ...
yoda's user avatar
  • 101
0 votes
0 answers
6 views

Could not load file or assembly ArcGIS.Desktop.Core.XmlSerializers

I've upgraded ArcGIS Pro from 3.2 to 3.3. To adjust the AddIn I develop, I've upgraded it from .NET 6 to 8, and I made all necessary updates. Now, while running it, before ArcGIS Pro opens, I get the ...
Pavel V.'s user avatar
  • 1,517
0 votes
0 answers
12 views

GeoDjango fails to load Spatialite, but not Jupyter?

I am trying to use Spatialite for a GeoDjango application on a Windows 10 machine using Anaconda, but, when I run python manage.py dbshell, I get an error "CommandError: You appear not to have ...
jwx's user avatar
  • 713
0 votes
0 answers
14 views

Multiline legend entry for diagram (pie charts) in QGIS

I have a map with pie charts and I am struggling to format the legend entry for these charts as needed. I know how to wrap "normal" legend entries (add a defined character on which to wrap ...
pottsbill's user avatar
0 votes
0 answers
7 views

Error: Error: SaTScan in the continuous Poisson model

When I run the analysis using the continuous Poisson model in SaTScan, defining the polygon as everything within the distances between the furthest points on the map, I get the following message: &...
anna's user avatar
  • 1
0 votes
1 answer
18 views

Image '0' does not have a 'system:time_start' property - Google Earth Engine

I'm getting this error in code below while running the unique_dates. FeatureCollection (Error) Error in map(ID=0): Image.date: Image '0' does not have a 'system:time_start' property. // Define the ...
AYUSH RATHORE's user avatar
0 votes
0 answers
14 views

Getting a list of layers with non-null pixels in the viewport in Openlayers [closed]

I am making an OpenLayers web map that will contain many layers from a WMS. However the overlap between the layers is pretty small, so I'd like to get a list of only the layers that are visible in the ...
Nic's user avatar
  • 1
2 votes
0 answers
29 views

"Enable" custom icon to give it QGIS' default white border

QGIS 3.36.2, Python 3.12.3 If you hover over an icon of the default toolbars in QGIS (e.g. the Toolbox), then that icon gets a light grey background and a black border (leftmost) until you move your ...
Neph's user avatar
  • 257
2 votes
1 answer
85 views

Moving features of different geometries at the same time in QGIS

In QGIS 3.34 I would like to move a point feature and a polygon feature at the same time. The polygon is a round buffer around a point. I am only able to edit the point and polygon one after the other....
Kevin_S2021's user avatar
0 votes
0 answers
11 views

Classifier training failed: 'Only one class.' in GEE [closed]

I trying to run random forest on my study area with a number of created polygons with different class values. In spite of that, the error is coming Classifier training failed: 'Only one class.' Here ...
Payel Ghosh Dastidar IRRI IN's user avatar
0 votes
0 answers
26 views

Load results of split vector tool into group using PYQGIS

I try to write a script to automatically merge some input layers (all of the same structure) of a geopackage into one, afterwards split it by a specific attribute and save the output as geopackages to ...
Calidris's user avatar
0 votes
0 answers
9 views

When I run geemap.Map() with Visual Studio Code ,there is no box below to enter code

When I run geemap.Map() with Visual Studio Code ,there is no box below to enter code.
haima's user avatar
  • 1
0 votes
0 answers
51 views

Creating a 'group' or 'menu' in QGIS of multiple plugins

I will create a bundle of plugins (one is already created). Instead of storing each plugin loosely as a single plugin, I would like to have them stored in a group,smiliar to a a menu like this: How ...
i.i.k.'s user avatar
  • 1,755
0 votes
0 answers
23 views

Function addgeometrycolumn does not exist in QGIS Model designer

I'm using Export to PostgreSQL algorythm in QGIS Model Designer to load my layer into PostGIS database. You can see the parameters on the screenshot. I manage to connect to the database after I run ...
barney stinson 2's user avatar
0 votes
2 answers
31 views

Splitting lines and getting the lengths in QGIS

I am new to QGIS. I need to split my vegetation line (2.19km length) into segments based on the erosion and accretion and want to get the length of those segments. I was able to split the vegetation ...
Darsh's user avatar
  • 1
0 votes
0 answers
34 views

Reasons not to convert raster to vector to plot on basemap in different projection [closed]

I have raster data in EPSG 4326. I would like to plot it on raster basemaps which are in EPSG 3857. Plotting in 4326 distorts the basemap, so I'd like to plot in 3857. Of course, plotting in 3857 ...
Unrelated's user avatar
  • 191
0 votes
0 answers
9 views

Tooltip missing when copying geometries across files in Google Earth Engine

In Google Earth Engine, I am trying to copy geometries from one project to another (thousands of points), and the tooltip to convert the geometries does not come up when I copy into a fresh script. ...
Obleo Demandre's user avatar
0 votes
1 answer
28 views

Clip polygon with vector points freehand

I am trying to crop/clip a polygon with overlapping vector data points in QGIS, so that I can extract all points from a certain area. However, I want to clip not based on the polygon but on a freehand ...
Nat's user avatar
  • 63
-2 votes
0 answers
17 views

Help rendering task update messages as they are completed in Shiny App [closed]

Within an observer button event, I'm trying to render an update message to the Shiny UI upon completion. In the code below, each task is timestamped correctly however they aren't rendered to the UI ...
Summitbri's user avatar
0 votes
2 answers
48 views

Removing duplicates values from QGIS Attribute table

I have some fields with the same values after that I need to remove them. Some of the values are duplicates after I merged values from different layers and grouped them using the same ID number. For ...
Nista.geo's user avatar
0 votes
0 answers
14 views

Extract regional data from USGS faults KMZ file

I am trying to extract fault data from USGS qfaults.kmz for a specific area so I can get it onto my Garmin GPS. I got the USGS file on QGIS, can see the area I want on the map. But I can't figure ...
John Springer's user avatar
0 votes
0 answers
18 views

Image Coversion tool and Land cover change tool not working [closed]

I am working with QGIS version 3.34.5 and SCP version 8.2.2-infinity. First, SCP Image conversion to reflectance and temperature doesnt detect or pick landsat image lands in Tif or original format ...
Silas's user avatar
  • 1
0 votes
1 answer
39 views

Generalize/Denoise Multipolygons [duplicate]

I am looking for any Python function, that is able to denoise the area to become more spatially homogenous. In other words, I would like to vanish all small polygons beyond some tolerance. Maybe ...
Luckasino's user avatar
  • 293
0 votes
1 answer
16 views

Trying to export a feature collection in Google Earth Engine

I have obtained sea surface temperature data for Ascension Island and now want to export this into a csv. I managed to export the mean SST values for a previous package I was looking at (NASA/...
Charlie Riddick's user avatar
0 votes
0 answers
23 views

How to make a heatmap to show the distribution of attribute values more accurately?

I want to be able to create a heatmap that shows the distribution of the attributed "carbon" value within a merged layer. I have a merged vector point layer that represents the combination ...
Greeny's user avatar
  • 1
0 votes
1 answer
31 views

QGIS processing plugin: How to select the current layer?

I want to create a plugin, where you create a copy of the selected layer from the project but where you rename the variables in it. I created processing plugin as described here https://www....
i.i.k.'s user avatar
  • 1,755
0 votes
0 answers
20 views

How to extract all fuel stations (points and ways) from OpenStreetMap using Osmosis?

Currently, I am using the following Osmosis-Code: osmosis --read-pbf europe-latest.osm.pbf --tf accept-nodes amenity=fuel --tf accept-ways amenity=fuel --tf reject-relations --used-node --write-pbf ...
Funkwecker's user avatar
0 votes
0 answers
16 views

Is it possible to display the distance travelled while route tracking in QField?

We are using QField to track routes and collect data on certain parts of the route. The routes are not predetermined, we decide in the field which way to go. The tracking layer is a MultiLine-layer. ...
Pompoensoep's user avatar
0 votes
0 answers
37 views

GDAL Warp extremely slow on Python API

I am trying to export one VRT to TIFF using GDAL Warp. My VRT has some scale, offset, reprojections, etc, but nothing too crazy. I have observed that trying to perform the warp from the Python API is ...
Guillermo Moreno Castaño's user avatar
0 votes
1 answer
28 views

QGIS 3.34.7 Single sided buffer changes - creating unexpected result

On QGIS 3.34.7 LTR, if you try to "Single sided buffer" a self closing line/full encircle (yellow line), with a value let's say 2 meters it will create a polygon inside and the edge where ...
Marin Marian's user avatar
0 votes
0 answers
38 views

Developing projects using QGIS and QField with QFieldCloud sync

I am quite new to QGIS and QField, but with all the documentation and videos, I have made a good start. However, I think I must have missed it in the documentation for QField and QFieldCloud, but I ...
Karen's user avatar
  • 1
0 votes
0 answers
28 views

Multiple QGIS project files

I'm unable to use the Mergin maps as 'found multiple QGIS project files' I do not know where to start?
Arb-aiD's user avatar

15 30 50 per page
1
2 3 4 5
3301