Questions tagged [qgis]
QGIS is a cross-platform GIS application licensed under the GNU General Public License.
42,818 questions
3
votes
2
answers
45
views
Display map labels over coordinate grid in QGIS 3.x
In Print Layout coordinate grids draw over the top of feature labels obscuring them. The answer to this question suggests a workaround. Is there a better way to do this in QGIS 3?
Altering grid line ...
0
votes
0
answers
12
views
Using the GeoCat Bridge Plugin in QGIS to Publish Data to PostGIS and GeoServer
I use the GeoCat Bridge plugin with GeoServer. All the data was successfully imported into PostGIS, but in GeoServer, the import was not fully successful. Only some of the data was imported correctly.
...
1
vote
0
answers
34
views
Calculating shortest road distance between two polygon layers in QGIS
I have two polygon layers (A and B) and a road layer dataset that intersects both polygons in QGIS.
I am looking to find and generate the shortest/least cost road distance from every feature in ...
0
votes
0
answers
21
views
Double password prompt when logging into the PostGIS database
I have the problem, that my colleagues have to put in their login information two times in a row when clicking on the postGIS connection in QGIS 3.40.x, while I (admin of the db) am not even asked one ...
0
votes
0
answers
24
views
SQL syntax for joining multiple CSV in QGIS model builder
I need to join seperate values from two different CSV sources in the QGIS model builder.
I have used the answer from Modeler does not allow choosing of CSV for joining in QGIS with the following code
...
1
vote
0
answers
31
views
Buffer layers (generated from rivers) not rendering in Google Earth (when exported as a KML)
I exported buffer layers generated from line features as KML using QGIS 3.28, and they are not rendering in Google Earth; other polygon layers (not buffered) are rendering properly. What could be the ...
0
votes
0
answers
16
views
Exporting LiDAR to DXF - Option not available
I have recently downloaded QGIS again and the DXF CAD format has vanished from the save raster layer as... menu.
I am wanting to convert lidar data into DXF format.
2
votes
1
answer
96
views
Keeping layer styling when making permanent in QGIS
I'm constantly exporting raster and vector data to make it permanent. I think it would be useful to have a checkbox when exporting to keep/transfer the current layer's styling to the permanent data ...
3
votes
2
answers
151
views
I want to press the smaller polygon into the larger, QGIS?
I have cases where one polygon is on top of another. I want to press the smaller polygon into the larger one so that the surface underneath the smaller polygon disappears, and the smaller polygon ...
0
votes
0
answers
39
views
After reopening the shapefile disappears in canvas although it exists in the QGIS Layer panel
Every time I create a shapefile in QGIS 3, when I reopen QGIS, I find the file in the Layers panel, but it does not appear on the canvas. I don't change anything in the file properties it is the same ...
0
votes
0
answers
29
views
Using project based custom functions in QGIS
Now project based custom functions are a thing (QGIS 3.44) I could streamline some of my management of QGIS expressions that get used in various places, so rather than finding all the instances of a ...
1
vote
0
answers
29
views
Creating contour lines for Vectorworks in QGIS
I have a raster DTM from which I need to extract contour lines for vectorworks. I was able to create the contour lines in QGIS, but when I load them into Vectorworks, it does not show me any Z ...
0
votes
1
answer
38
views
Correcting DEM raster using ground reference points (e.g., DEM 5 m + ~2000 samples)
I’m looking for a method or tool to correct or adjust a DEM raster, specifically an ALOS PALSAR DEM that has been enhanced and resampled to 5 m resolution.
I have about 2000 reference points randomly ...
-1
votes
0
answers
24
views
Rain2flood plugin installation [closed]
Am trying to install the Rain2flood plugin in QGIS 3.42 ,but when I install it's telling that it needs addition plugins such as matplot,xarray rasterio and others for it to work ,if anyone knows how ...
3
votes
0
answers
51
views
Missing GRASS in QGIS Processing Toolbox
Problem :
GRASS is disappeared from my processing toolbox with the error message:
Problem with GRASS installation: GRASS was not found or is not
correctly installed.
but it showed in provide menu in ...