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I want to import a geological cross section in PDF format into QGIS, then digitize the geological horizons and then export the z-values to vector layers. I have not been able to find any threads on ...
Jordaan Fouche's user avatar
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0 answers
6 views

I'm running a EC2 instance with t2.medium and 30 Gb EBS attached to it, and uses the geoserver binary to download the data from wget https://sourceforge.net/projects/geoserver/files/GeoServer/2.24.2/...
shamaayil ahmed's user avatar
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1 answer
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I'm trying to calculate a field based on a raster, I'm having an issue where it says the raster layer is invalid when I use the following raster name. If I change the name to say Lidar 1m with a space ...
Toby Beisly's user avatar
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6 views

I have a set of LAZ files that I'm trying to convert to GEOID18. The original files are assigned EPSG:6350+5703 - GEOID12B. I reprojected the files to EPSG:6340+5703 - GEOID12B using PDAL and then ...
Eric Chameroy's user avatar
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I am currently developing a QGIS Python plugin that connects to a database and should quickly access, inspect, and plot NetCDF data. For this I need packages such as numpy and netCDF4, which both rely ...
Initiative SSD RheinNeckar's user avatar
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All versions of PostGIS up to this point have been offered as .zip downloads. The exception is version 3.6, which currently only offers a setup .exe download. My project already handles the "...
MadMacks's user avatar
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6 views

I would like to know if it is possible, or if there are any loopholes, to upload a 3D map of my DEM into ArcGIS Dashboards. So far, I have been unsuccessful, any suggestions?
Lauren's user avatar
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2 votes
2 answers
67 views

I have a workflow with QGIS, where I open an entire gdb, filter all layers by a common column and save all the filtered layers in a gpkg. I'm trying to make those steps with geopandas, so I don't ...
Eric Verschoor's user avatar
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16 views

I have been looking at some S-100 area fill XML files. An example is: <?xml version="1.0" encoding="UTF-8"?> <?S100lineage source="S52Preslib4.0" format="...
gym's user avatar
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-1 votes
0 answers
36 views

I am new to GIS and chose QGIS as my starting point due to its open-source nature and zero cost. I am trying to use large language models (LLMs) like ChatGPT and Gemini as learning guides. I've ...
Peter H Wendel's user avatar
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This is my first attempt to access Ordnance Survey maps using Arcgis Javascript SDK. I have copied the example from the Esri Resource Centre and the code is shown below. Every request to the OS API ...
David Shearan's user avatar
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I have some complex symbology (over 600 separate classes) that used to display perfectly in ArcMap, that seems to use a Unique Values, Multi-Field Classification (as opposed to an expression combining ...
Veekerz's user avatar
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1 answer
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I have a large VRT (full_tileset.vrt) with several GeoTIFF. It takes several days to export full tileset. When I update one of GeoTIFFs I want to export only a part of tileset with the updated part. ...
Xeenych Xeenych's user avatar
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0 answers
44 views

Using QGIS, I have imported a dataset consisting of 288 raster layers. I am wanting to create a polygon layer for the data footprint (not extent) of the rasters that shows how the raster are ...
user225959's user avatar
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11 views

I am trying to to crop a TIFF file using a shapefile using WPS query builder feature in GeoServer. I tried text geometery and refrence using a link to GML both are not working. I am getting error ...
MdFarzan's user avatar
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i have a pointlayer with angle attributes and managed to rotate the labels accordingly, thanks to JR's code in the posting https://gis.stackexchange.com/a/361815/266633 : $x_at( -1)+((0.01*cos(radians(...
XPHUPZHJ's user avatar
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0 answers
18 views

I am trying to upload a layer using the GeoServer (2.28) REST API using the Importer extension in python. I ak not not what I am doing wrong.If I use the PUT method when the sld does not exists in an ...
GforGIS's user avatar
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42 views

I want to merge the two areas (features) in the picture, without them resulting to be a multipart-polygon. So part of the street should be part of the final feature. I have a lot of those problems in ...
Jorge Krist's user avatar
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1 answer
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I’m trying to simplify a polygon shapefile because the geometry is very detailed and too heavy for my laptop to process. However, when I use the Simplify tool in QGIS, it warns me that the geometry is ...
user334161's user avatar
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4 votes
1 answer
131 views

I have the EPSG:4326 coordinates of a point stored in src.geojson: { "type": "FeatureCollection", "name": "main", "features": [ { "type": &...
zabop's user avatar
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2 votes
1 answer
174 views

I'm trying to figure out why this shows a white region instead of color. I tried playing around with the min/max values and I cannot seem to find a solution to get true RBG color. import ee import ...
Brian Bergstrom's user avatar
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1 answer
51 views

I am from Austria and am using QGIS for boundary survey. My map has the EPSG:31255 (MGI Austria GK Central). For transformations from EPSG:25833 I use the grid at_bev_AT_GIS_GRID_2021_09_28.tif. This ...
Christoph Gradl's user avatar
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-1 votes
0 answers
17 views

I tried to convert my slope map (raster) to polygon, I don't know why but it said: One or more layers failed to draw: RTP_SlopeMuba: There was a problem drawing the shapefile. Drawing aborted. How ...
Rizki's user avatar
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4 votes
1 answer
77 views

I have a JPEG of a red square, example.jpeg. I use it as webmercator tile 6/36/16. I georeference it accordingly, using the bounds of 6/36/16 (I calculated them like this – details are irrelevant to ...
zabop's user avatar
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0 votes
0 answers
28 views

I am working on an application to render raster images on browser. I am having Cloud Optimized GeoTIFF (COG) based approach. I generate COG for input raster as: def generate_cog(input_path, ...
daas igenesys's user avatar
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3 votes
2 answers
70 views

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 ...
Oliver Burdekin's user avatar
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0 answers
27 views

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. ...
unknown's user avatar
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1 vote
0 answers
55 views

ArcGIS.com Web maps no longer display the map's table of contents in Firefox. However, the TOC displays just fine in Chrome. Here's the Firefox view: Here's the Chrome view: I open the Web map by ...
Stu Smith's user avatar
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1 vote
0 answers
48 views

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 ...
Stuart Miller's user avatar
  • 43
0 votes
0 answers
30 views

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 ...
lesto's user avatar
  • 377
0 votes
0 answers
31 views

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 ...
BAE_23's user avatar
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1 vote
0 answers
34 views

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 ...
Amelia Nicodemus's user avatar
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0 answers
20 views

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.
Jacob Riches's user avatar
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2 votes
1 answer
109 views

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 ...
FrenchfriesMC's user avatar
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-1 votes
0 answers
31 views

I'm trying to create spectral and geological analysis map for an area of interest and then correlate these maps with historical mines and mineral encounter maps to create a new map that will help to ...
anton dey's user avatar
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1 vote
0 answers
23 views

I'm trying to wrap my head around this datum. I found this article : South Africa Projections I currently have OpenLayers loading WKT string to set the projection when in an area then overlaying a ...
LrakWortep's user avatar
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3 votes
2 answers
166 views

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 ...
Frodo's user avatar
  • 2,507
0 votes
0 answers
43 views

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 ...
Solopro's user avatar
  • 1
0 votes
0 answers
31 views

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 ...
Sethinacan's user avatar
  • 2,360
1 vote
0 answers
30 views

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 ...
malin's user avatar
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0 votes
1 answer
44 views

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 ...
user333812's user avatar
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-1 votes
0 answers
25 views

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 ...
Musa Umali's user avatar
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2 votes
1 answer
56 views

I have large .tif file, and would like to reproject it and then create COG. But as a final result I have interrupted pixels on edges. How can i remove them? Furthermore, the values are not only 0, ...
Manap Shymyr's user avatar
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3 votes
1 answer
29 views

I'm trying to follow this post and output tiles as "application/json;type=geojson" in GeoServer 2.28.0 but I don't get that option under tiling caching. The only application type output is &...
GFL's user avatar
  • 133
3 votes
1 answer
79 views

I'm trying to delete all features in a layer hosted in ArcGIS Online. from arcgis.gis import GIS from arcgis.features import FeatureLayer #Login AGOL gis = GIS("https://www.arcgis.com", &...
Bera's user avatar
  • 82.2k
3 votes
0 answers
62 views

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 ...
MosquitoFist's user avatar
  • 31
4 votes
1 answer
126 views

I am looking to move snapped vertices (in one move) to adjust the boundary of two snapped polygons. I want to avoid adjusting the vertex of each polygon and re-snapping, but rather move them together ...
Aagwood's user avatar
  • 141
0 votes
0 answers
55 views

We routinely create Tree Protection Zone and Structural Root Zones from tree location point data that has the circle radius values in QGIS. However, QGIS, using the buffer tool, creates multi point ...
Roger George Greenwood's user avatar
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2 votes
0 answers
88 views
+50

I have a QGIS plugin that I would like to debug from PyCharm. I've made several attempts to get it to work and I've always failed. None of the HowTos online have worked. I suspect that I have a ...
marcp's user avatar
  • 905
0 votes
0 answers
25 views

I'm trying to create a piste map of a small ski centre in Iceland using QGIS. I've got a DEM of the area and have digitised the runs as line shapefiles. When I go into 3D view and set it up so I'm ...
Arran's user avatar
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