Questions tagged [qgis]
QGIS is an open source program used to process and visualize geospatial data. It is available for most desktop and mobile operating systems.
qgis
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GeoServer Layer Not Displaying Entire GeoTIFF Image
I'm having an issue with GeoServer not displaying the entire GeoTIFF image. The image is about 5.23 GB and displays correctly in QGIS, but when I create a layer in GeoServer, only a portion of the ...
- 11
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'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 ...
- 181
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Raster Align QGIS - mismatch in layer projection
I have been given two raster by a colleague, both of which have a pixel size of 50x50m. The first layer is a DEM and the other is a type of habitat layer (Scored from 1-10, and includes a value of 128 ...
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QGIS - distance from point to point on a specific bearing e.g. north (0 degrees)
I am using QGIS and have a layer that is the country centroids, tectonic plate boundaries in both line and point form. This is what I have achieved so far - shortest distance from centroid to tectonic ...
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remove "(null)" from dropdown when column has enum type in qgis
I created a temporary polygon layer with a column called "class". This layer is empty, and I want to start adding features in. But I want to limit my class values to be either A, B, or C (...
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Creating HD maps for AD from laser scan data and other sources
Currently I am working with a project, where my goal is to real time map updates for AD through RGB-d video feed. The problem I am facing is with the creation of the base map which will be updated ...
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QGIS service area analysis issue - Isochrones from Point-Layer tool
I wanted to run the “Isochrones from Point-Layer” tool under the ORS tool in the QGIS environment. But now I am getting this error. could you please tell me the reason for this error? please.enter ...
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The SolverFactory was unable to create the solver "_glpk_shell"
I have developed a processing script in qgis which calls and solves an optimization model. The solver is glpk. However, access to the solver does not seem to work, neither via the relative nor via the ...
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Qgis does not automatically enable enum drop down through Postgis
Not sure why Qgis likes playing magic on me. But here is the context:
1, In Postgres database, I have a table with two columns: "class" and "client", each referring to an enum that ...
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QGIS GeoJSON Newline Delimited format compatibility with BigQuery
I'm trying to use BigQuery UI to create a table from a GeoJSON file loaded in GCS.
And it looks like the file has been exported successfully from QGIS:
And yet when I go to create a table I still ...
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Apply affine transformation to LiDAR .las file
I'am currently working on a project that use a Local Coordinate system, and I need to reproject the file to UTM WGS84, to be able to load it to qgis.
I have the formula and values to reproject the ...
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How to avoid "Project Has Changed on Disk" warning when saving a QGIS project after saving it in a PyQGIS plugin?
I have a PyQGIS plugin where I save the current QGIS project to a PostgreSQL database using the following code:
uri = 'postgresql://postgres:createch@localhost:5432sslmode=disable&dbname=postgres&...
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Error: There were errors reading plugin package (please check also your plugin's metadata). Could not unzip file
I'm trying to upload a new version of my plugin in QGIS repository and I get this error, I checked the metadata and it's good. I don't know what is the problem.
The content of zip file is: i18n folder,...
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Modify QGIS layer every/after ~5 seconds (without blocking the main thread)
I wrote a Python script for QGIS 3.36.2 (uses Python 3.12.3) that does the following:
Create a layer
Start an HTTP GET request to fetch new coordinates (runs asynchronously by default)
Use these ...
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How to combine polygons using a same ID in the current layer without creating a new layer using python?
I have many polygons that need to be combined bu attributes. The problem is that the result of the merge must be saved in the original layer without creating a new one.
I used this function but it ...
