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Geographic Information Systems

Questions tagged [qgis]

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QGIS is a cross-platform GIS application licensed under the GNU General Public License.

42,991 questions
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In QGIS I want to use 1 single points table with various attribute fields, to hold many different types of point data for my project. All points are related and on the same projection. The points ...
Matt Beamish's user avatar
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Ok, so I have two layers - a data repository, and a contributed layer. I want to copy the "contributed" features into the final data repo, however my contributor has misnamed the attributs. ...
jfmoyen's user avatar
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I am able to load data into QGIS, but after updating QGIS to the most recent stable version (3.44.9) I noticed that sometimes it gets very slow when I load any EE data (this did not happen before) and ...
Luis Lizcano's user avatar
  • 342
4 votes
1 answer
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Inside a GeoPackage, I have a table without geometry that stores information about trees inventory. I also have a point layer representing trees. A single record in the inventory table can be related ...
Maryla's user avatar
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1 vote
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Cannot select or delete text in QGIS. I have added some text to a project which I am unable to Select or delete. I have added text in the mapview with the T+, text tool. Usually you are able to ...
Paul Kelly's user avatar
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2 votes
0 answers
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I’m trying to convert a GeoJSON file to a shapefile in QGIS 3.34. I used ‘Export → Save Features As’, but some attribute fields are missing or truncated in the output shapefile. The original GeoJSON ...
Kaylen's user avatar
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2 votes
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I'd like to bookend this post by stating that I'm not from a GIS background, nor do I have a massive amount of experience with the software, bur I'm trying to to streamline my company's process in ...
user346298's user avatar
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1 vote
1 answer
25 views

For some reason, whenever I use a service area analysis or shortest path (from a point), QGIS doesn't let me pick the starting point and instead minimizes the window. Yet, I cannot actually use these ...
qgis_questioner40's user avatar
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1 vote
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I had carefully crafted 335 vector layers in QGIS over the last 12 months. On adding a 336th, all of the existing vector layer data seems to have been deleted. As a known imbecile, I had mysteriously ...
Fraser's user avatar
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2 votes
0 answers
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I am working on a transport model in QGIS and I am facing an issue with assigning trips to a road network. So far, I have: Created transport zone centroids Calculated centroid-to-centroid distances ...
Alema Sarac's user avatar
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I am still a beginner in QGIS 3.40.10 (German version) and would like to create a simple application for editing existing data and capturing new data. The goal is to provide users with access to a ...
Frank's user avatar
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I’m a QGIS beginner. I’ve been teaching myself through online resources because there are no many local institutions offering GIS training. I am interested in analyzing land degradation caused by war ...
Ga young Son's user avatar
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6 votes
2 answers
198 views

I am trying to match the CRS of my layer to the project CRS. So from EPSG:3003 to EPSG:7791. I have downloaded the following information from Sardegna Geoportale. https://webgis2.regione.sardegna.it/...
Bilgeyts's user avatar
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2 votes
1 answer
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I am not an expert on QGIS, but I have used it a bit while studying and now as a urban designer I would like to use it for simple site analyses. Recently I have been trying to extract average data by ...
Niels's user avatar
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19 views

Getting unexpected behavior: fields in child features seem to have their default action executed when I update the parent feature. Version: QGIS 3.44.9 Configuration: Parent layer: nca_surveys has a ...
Danny's user avatar
  • 105

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