GIS Stack Exchange
GIS Stack Exchange

Questions tagged [qgis]

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

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QGIS (formerly Quantum GIS) is a user-friendly, cross-platform Geographic Information System (GIS) application with support for Linux, Unix, MacOS X, Android, and Windows. News updates are available from the QGIS blog.

QGIS supports numerous vector, raster, and database formats and provides numerous features for exploring, creating, analyzing, converting and exporting geospatial data. The core functions can also be extended through external plugins written in Python.

QGIS is an official project of the Open Source Geospatial Foundation (OSGeo) and is licensed under the GNU General Public License.

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Where does QGIS write its error log messages?

I want to read and copypaste the error log for the crashes I am experiencing in QGIS 2.0. The error I am getting freezes QGIS so I have to ctrl-alt-del. I can see the last message in the panel, but can't copy it or scroll back to see the earlier…
IanS
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Transferring custom QGIS settings from one computer to another?

Can I export custom general settings from my QGIS installation to a file so that I can transfer the settings to QGIS on a different computer? Does QGIS have them already saved to a file located somewhere on hard disk?
Guest25
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Controlling Image Output Settings in QGIS?

I am exporting a QGIS map to an image format. I would like to have control over the output settings of the image (dpi), as currently it is only exporting the images at 96 dpi. Does anyone know if this is possible?
James S
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Turn on QGIS Dark Mode

How do you turn on the dark mode for QGIS 3.6.1? I see where people have an option in the general settings of the Project Properties menu, but I am not seeing that option in my version.
Matt
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Creating equidistant points in QGIS?

I am trying to create points (new layer) at specific distance along the road (existing layer) in QGIS. Creating Regular points every meter at county level using ArcGIS Desktop? gives solution for ArcGIS. How to achieve this in QGIS? Adding points…
Stat-R
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QGIS gives different resolution basemap in Print Layout

I use tiled background map, from online source with 512-pix tiles and try to use it as background for printed map, using Print Layout and PDF export features. Problem: it seems that the choice of tile zoom levels depends automatically from the DPI…
JaakL
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Delete points on a polygon using QGIS

I'm new at this, a novice at best. I'm using QGIS 1.7.3. I simply want to select a large number of points on a single polygon and delete them. Is this possible?
Mike Guillen
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How do I build a custom form for entering attributes in QGIS

I've done this many times in ArcGIS and ArcPad but I don't even know where to start building a custom form for data entry in QGIS. I would like to do this for field operations--QGIS would make a good field tool with a little customization
Terry Pavlis
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Simplifying adjacent polygons using QGIS Simplify Geometries tool

I have a big Shapefile with 200,000 polygons but the file is too big for the application that will use it. I would like to generalise these polygons and create much smaller file. I have tried to do this in QGIS using "Simplify Geometries" tool. I…
David
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Updating file locations in QGIS projects?

I have about 30 different QGIS Project files for 30 different clients. Each is saved onto my computer and all their relevant vector and raster files are all saved locally. We are now in the process of moving office and upgrading our computers. As…
Ger
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How to concatenate labels in QGIS?

I'm using QGIS 1.8 on windows XP machine and I try to do a concatenation of several fields to label the names of my local roads in the attribute table, but I can not find the correct syntax. The first field consists of om the street, the second type…
Gabriel Giroux
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QGIS - move a point object to specific coordinate

Is there a way of select an object (point, polygon) and move it to a specific coordinate (manually inserted)? (with Numerical Digitize plugin can not make a move of the object but rather it creates me a new object)
Pedro
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Is there a simple way to sort layers alphabetically in QGIS?

I am working on a big GIS project and not being able to sort the items in the Layers panel is giving me hard time. I can have up to 250 layers in the Layers panel. I have a special naming scheme for all the TIFF raster files I import and…
Samir
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Choosing multiple options from QGIS Check Box or Value Map for feature attribute?

I am presently working with some layers containing location data for plots/parcel data. Some of the parcels have multiple use types. Is it possible to configure the Check Box or Value Map (widgets type) so that it can allow me/user to input/choose…
mapperx
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How to zoom to specific lat/long point in QGIS

Does QGIS have the ability to Zoom to a specific lat/long point upon the user entering one. I can see it shows the coordinates in the bottom task bar but I'm not seeing a way to manually enter lat/long point and zoom to it. Possibly even harder, I…
wilbev
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