Questions tagged [qgis]
QGIS is a cross-platform GIS application licensed under the GNU General Public License.
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Why is there a difference between Raw and Rendered results?
I saved two images from a Dem Tiff file in two different formats. There is no problem when saved as raw format. However, when you save it in rendered format, something like the second picture appears. ...
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Where to find the pg_service.cnfg file for an existing QGIS project with PostgreSQL connection? And how to make the file if the service name is blank?
I have an existing QGIS project to work on and the layers are from a postgresql connection. I want to open this project on QField on Android but it couldn't load the layers because it requires ...
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QGIS 3.xx Mac Version installation clarification - What gets installed from single dmg file?
Can someone clarify what is installed exactly when I download the Mac versions of QQIS from the QGIS.org homepage? The .dmg file gets downloaded and I can drag the application to the Applications ...
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QGIS crashes when I set the labels
I'm writing a script for QGIS, using the Python console. I noticed that when the script processes the rows about the label settings, when I delete the layer "terrFiltrati", QGIS crashes and ...
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Converting patch ID output file from FRAGSTATS into vector file with QGIS
I am trying to convert a patch ID file (raster) which I generated using FRAGSTATS into a vector file to perform a table join between this vector file and the .patch file that contains the patch IDs ...
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Selecting unsymbolised features in QGIS
In QGIS 3.34.5, I am symbolising a large area of point features extracted from OpenStreetMap.
I currently have an ELSE clause that shows me the features that have not yet been symbolised in a large ...
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Lizmap-publishing WMTS
I'm struggling to read a WMTS layer generated with GeoServer, in Lizmap
Lizmap send me this error message service not available
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QGIS point sampling misses data on edge of raster (possible bug?)
It seems I may have discovered a shortcoming in the way QGIS handles raster sampling in points. Since yesterday evening (18/7), one small issue has begun to elude me (during my comeback geofictional ...
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Clean up polygon after difference tool QGIS
So I'm using the difference tool in QGIS to remove a bunch of areas from a polygon representing a state. Problem is, these areas don't fit together perfectly, and the result looks very messy.
How can ...
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Loading result of PostGIS query that contains temporary table delete statements as new layer
I am trying to run then load the result of a PostGIS query using the DB Manager on QGIS 3.30.2. The query is a call to a PostGIS custom function defined in the database that generates some polygons. ...
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QGIS: Horizontal alignment of legend symbol to multi-line label
Using QGIS 3.28.15
I have a legend label that is spanning over multiple lines. Can I horziontally align the coresponding (non-simple fill) symbol to appear in the center of the label?
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QGIS and MapInfo projections - EPSG3301 (Estonian Coordinate system/projection: L-EST97 1 mm)
I have MapInfo .tab file with points. Tab file is created with MapInfo Pro version 2023 (release build 142). The .tab file's coordinate system (projection) is Estonian coordinate system. In MapInfo it'...
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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 ...
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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 ...
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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 ...
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