QGIS Download 3 28: A Guide to Install and Use the Free and Open Source GIS Software
QGIS is a popular geographic information system (GIS) software that allows you to create, edit, analyze, and publish geospatial data. It is free and open source, meaning that anyone can download, use, modify, and share it without any restrictions. In this article, we will show you how to download QGIS 3 28, the latest long-term release (LTR) version of the software, and how to use its main features and functions.
What is QGIS and why use it?
QGIS is a desktop GIS application that runs on various operating systems, such as Windows, macOS, Linux, and Android. It supports a wide range of vector, raster, mesh, and online data formats, as well as web services such as WMS, WMTS, WCS, WFS, and WFS-T. It also integrates with other open source tools such as GDAL/OGR, GRASS GIS, SAGA GIS, and R.
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QGIS features and capabilities
QGIS offers a wealth of GIS functions, provided by core features and plugins. Some of the main features include:
Vector digitizing tools for creating and editing various data formats
Raster tools for image processing, classification, georeferencing, and analysis
Mesh tools for working with TINs and regular grids
Geoprocessing tools for spatial analysis, geostatistics, network analysis, sampling, geometry operations, and more
Symbology tools for data-defined vector and raster styling
Labeling tools for data-defined feature labeling
Layout tools for composing maps with elements such as scale bar, north arrow, legend, etc.
Report tools for creating dynamic reports based on map layouts
Atlas tools for generating map series based on feature attributes
3D tools for visualizing data in 3D scenes
Temporal tools for working with time-dependent data
Python console and API for scripting and developing custom plugins
QGIS comparison with other GIS software
QGIS is often compared with other GIS software applications such as ArcGIS, GRASS GIS, SAGA GIS, etc. Each software has its own strengths and weaknesses depending on the user's needs and preferences. Here are some of the advantages and disadvantages of QGIS compared to other GIS software:
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AdvantagesDisadvantages
Free and open source
Versatile and flexible
Large user community and support
Innovative plugins and extensions
Easy integration with other open source tools
Lack of some specialized tools or functions
Possible stability or compatibility issues
Limited web mapping or online capabilities
Lagging behind in emerging technologies such as AI or IoT
Inconsistent documentation or quality control
How to download QGIS 3 28
To download QGIS 3 28, you need to visit the official QGIS website at [1]( QGIS system requirements
Before you download QGIS 3 28, you need to make sure that your system meets the minimum requirements for running the software. Here are the system requirements for QGIS 3 28 according to the official QGIS website:
Operating SystemMinimum Requirements
Windows
Windows 7 or later (64-bit only)
4 GB RAM (8 GB recommended)
2 GB disk space (10 GB recommended)
OpenGL 2.0 compatible graphics card
macOS
macOS High Sierra (10.13) or later
4 GB RAM (8 GB recommended)
2 GB disk space (10 GB recommended)
OpenGL 2.0 compatible graphics card
Linux
Any Linux distribution supported by Qt5 (e.g. Ubuntu, Fedora, openSUSE, etc.)
4 GB RAM (8 GB recommended)
2 GB disk space (10 GB recommended)
OpenGL 2.0 compatible graphics card
Android
Android 4.0 or later
1 GB RAM (2 GB recommended)
500 MB disk space (2 GB recommended)
OpenGL ES 2.0 compatible graphics card
If your system does not meet these requirements, you may experience performance issues or errors when using QGIS 3 28. You may also consider using an older version of QGIS that is compatible with your system, such as QGIS 3 22 LTR or QGIS 3 16 LTR.
QGIS installation guide for Windows, macOS, Linux, and Android
To install QGIS 3 28 on your system, you need to follow the steps below according to your operating system:
Windows
Go to the [QGIS download page](^1^) and select the Windows option.
Select the OSGeo4W Network Installer option and download the executable file.
Run the installer and follow the instructions on the screen. You can choose between Express Desktop Install or Advanced Install depending on your preferences.
Select QGIS 3 28 LTR from the list of available packages and click Next.
Select a folder to install QGIS and click Next.
Select a folder to create shortcuts and click Next.
Select whether to create a start menu folder and click Next.
Select whether to create a desktop icon and click Next.
Select whether to associate QGIS with various file types and click Next.
Select whether to install GRASS GIS and SAGA GIS along with QGIS and click Next.
Select a download source and click Next.
The installer will download and install QGIS and its dependencies. Wait until the process is completed and click Finish.
You can now launch QGIS from the start menu, desktop icon, or file explorer.
macOS
Go to the [QGIS download page](^1^) and select the macOS option.
Select the KyngChaos option and download the dmg file.
Open the dmg file and drag the QGIS app to the Applications folder.
You may also need to install some additional frameworks such as GDAL, Python, etc. You can find them in the same dmg file or on the [KyngChaos website].
To run QGIS, you need to control-click on the app icon and choose Open from the context menu. This is because QGIS is not yet notarized as required by macOS security rules.
A confirmation dialog will appear and you need to click Open again.
You can now use QGIS on your macOS system.
Linux
Go to the [QGIS download page](^1^) and select the Linux option.
Select your Linux distribution from the list of available options (e.g. Debian/Ubuntu, Fedora, openSUSE, etc.).
You will see instructions on how to add the the QGIS repository to your system and how to install QGIS using your package manager (e.g. apt, dnf, zypper, etc.).
Follow the instructions for your distribution and install QGIS 3 28 LTR on your system.
You can now run QGIS from your application menu or terminal.
Android
Go to the [QGIS download page] and select the Android option.
Select the QField option and download the apk file.
Alternatively, you can install QField from the [Google Play Store] or the [F-Droid Store].
To install QField from the apk file, you need to enable the installation of apps from unknown sources on your device settings.
Open the apk file and follow the instructions on the screen to install QField.
You can now use QField on your Android device. Note that QField is not a full-fledged QGIS app, but a simplified version designed for field work.
How to use QGIS 3 28
Once you have installed QGIS 3 28 on your system, you can start using it for various GIS tasks. Here are some of the basic steps to use QGIS 3 28:
Loading and viewing data in QGIS
To load data in QGIS, you can use one of the following methods:
Drag and drop data files from your file explorer to the QGIS window.
Use the Data Source Manager button on the toolbar or press Ctrl+L to open the Data Source Manager dialog. Here you can add various types of data sources such as vector, raster, mesh, database, web service, etc.
Use the Browser panel on the left side of the QGIS window. Here you can browse and add data sources from your file system, databases, web services, etc.
To view data in QGIS, you can use one of the following methods:
Use the Layers panel on the left side of the QGIS window. Here you can see the list of loaded layers and their properties. You can also change the order, visibility, opacity, and style of each layer.
Use the Map Canvas in the center of the QGIS window. Here you can see the map display of your loaded layers. You can also zoom, pan, rotate, measure, identify, select, and edit features on the map canvas.
Use the Map Overview panel on the right side of the QGIS window. Here you can see a small overview map of your entire project extent. You can also use it to navigate and zoom to different parts of your project.
Editing and managing data in QGIS
To edit data in QGIS, you need to enable editing mode for each layer that you want to modify. You can do this by selecting a layer in the Layers panel and clicking on the Toggle Editing button on the toolbar or pressing Ctrl+E. You can also right-click on a layer and choose Toggle Editing from the context menu. When editing mode is enabled, you will see a pencil icon next to the layer name and a set of editing tools on the toolbar.
To edit vector data in QGIS, you can use one of the following methods:
Use the Vertex Tool to move, add, or delete vertices of features.
Use the Move Feature(s) Tool to move entire features or selected parts of features.
Use the Rotate Feature(s) Tool to rotate entire features or selected parts of features.
Use the Scale Feature(s) Tool to scale entire features or selected parts of features.
Use the Add Feature Tool to create new features by drawing their geometry.
Use the Delete Selected Tool to delete selected features or parts of features.
Use the Advanced Digitizing Toolbar to perform more precise and complex editing operations such as snapping, tracing, splitting, merging, offsetting, etc.
To edit raster data in QGIS, you can use one of the following methods:
Use the Raster Calculator to perform arithmetic operations on raster layers or values.
Use the Raster Toolbar to perform basic raster editing operations such as clipping, resampling, reprojecting, etc.
Use the Processing Toolbox to access more advanced raster editing algorithms such as classification, segmentation, filtering, enhancement, etc.
To manage data in QGIS, you can use one of the following methods:
Use the Data Source Manager to add, remove, or modify data sources in your project.
Use the Browser panel to browse and manage data sources from your file system, databases, web services, etc.
Use the Layer Properties dialog to change the properties of each layer such as name, source, style, labels, attributes, etc.
Use the Project Properties dialog to change the properties of your project such as title, CRS, metadata, variables, etc.
Analyzing and visualizing data in QGIS
To analyze data in QGIS, you can use one of the following methods:
Use the Attribute Table to view and edit the attribute data of vector layers. You can also perform queries, calculations, selections, and joins on the attribute table.
Use the Identify Features Tool to view and edit the attribute data of individual features on the map canvas. You can also view related features or media files associated with each feature.
Use the Statistics Panel to view basic statistics of numeric or categorical attributes of vector layers. You can also create histograms and scatter plots of attribute values.
Use the Processing Toolbox to access a variety of geoprocessing algorithms for spatial analysis, geostatistics, network analysis, sampling, geometry operations, and more. You can also create custom models or scripts using the graphical modeler or the Python editor.
To visualize data in QGIS, you can use one of the following methods:
Use the Symbology panel to change the appearance of vector or raster layers on the map canvas. You can choose from different types of symbols such as simple markers, categorized symbols, graduated symbols, rule-based symbols, etc. You can also customize the color ramp, size scale, rotation angle, transparency level, and other properties of each symbol.
Use the Labeling panel to change the appearance and placement of labels for vector layers on the map canvas. You can choose from different types of labels such as single labels such as simple labels, callout labels, curved labels, etc. You can also customize the font, color, size, buffer, background, and other properties of each label.
Use the Layout Manager to create and export map layouts for printing or publishing. You can add various elements to your layout such as map frames, scale bars, north arrows, legends, text boxes, images, charts, etc. You can also adjust the size, position, alignment, rotation, and other properties of each element.
Use the 3D Map View to create and explore 3D scenes of your data. You can add elevation data, extrude features, apply 3D symbols and labels, adjust the lighting and shadows, and navigate the scene using different tools and modes.
Use the Temporal Controller to work with time-dependent data. You can set the temporal range and resolution of your data, animate the changes over time, filter or style the data based on time values, and export the animation as a video or image sequence.
Publishing and sharing data in QGIS
To publish and share data in QGIS, you can use one of the following methods:
Use the Export Project to GeoPackage option to save your entire project as a single GeoPackage file. This file will contain all your layers, styles, layouts, reports, etc. You can then share this file with other QGIS users or open it on other devices.
Use the Save as Image option to save your map canvas or layout as an image file. You can choose from different formats such as PNG, JPEG, TIFF, etc. You can also set the resolution, size, extent, and background color of the image.
Use the Save as PDF option to save your layout as a PDF file. You can choose from different options such as rasterize or vectorize the output, embed fonts or images, georeference the output, etc.
Use the Save as SVG option to save your layout as an SVG file. This file will preserve the vector quality of your layout elements and allow you to edit them in other vector graphics software.
Use the Export to Web Map option to create a web map from your project. This option will generate an HTML file that contains a Leaflet map with your layers and styles. You can then upload this file to a web server or share it online.
Conclusion
In this article, we have shown you how to download QGIS 3 28 and how to use its main features and functions. QGIS is a powerful and versatile GIS software that allows you to create, edit, analyze, and publish geospatial data. It is free and open source, meaning that anyone can use it without any restrictions. It also has a large user community and support network that provides help and resources for QGIS users. QGIS is constantly evolving and improving, thanks to the contributions of developers and users around the world.
If you want to learn more about QGIS and how to use it for your GIS projects, you can visit the official QGIS website, where you can find documentation, tutorials, courses, books, blogs, forums, and more. You can also join the QGIS community on various platforms such as GitHub, Twitter, Facebook, YouTube, etc. You can also support QGIS by donating, sponsoring, volunteering, or reporting bugs.
We hope that this article has helped you get started with QGIS 3 28 and that you enjoy using this amazing GIS software. Happy mapping!
FAQs
Here are some frequently asked questions about QGIS 3 28:
What is the difference between QGIS 3 28 LTR and QGIS 3 32?
QGIS 3 28 LTR is the latest long-term release version of QGIS, which means that it is stable and reliable for production use. It will receive bug fixes and security updates for at least one year. QGIS 3 32 is the latest regular release version of QGIS, which means that it has the newest features and improvements, but it may also have some bugs or issues. It will be replaced by a new regular release every four months.
How can I update QGIS to the latest version?
To update QGIS to the latest version, you need to download and install the new version from the official QGIS website. You can also use your package manager if you are using Linux. You may need to uninstall the old version of QGIS before installing the new one, depending on your system.
How can I install plugins in QGIS?
To install plugins in QGIS, you need to open the Plugins menu and choose Manage and Install Plugins. Here you can browse and search for plugins from the official QGIS plugin repository or from other sources. You can also install plugins from zip files or from GitHub repositories. To enable or disable plugins, you need to check or uncheck them in the Installed tab of the Plugins dialog.
How can I get help with QGIS?
To get help with QGIS, you can use one of the following methods:
Use the Help menu in QGIS to access the user manual, the training manual, the API documentation, or the online help.
Use the Help button in any dialog or tool in QGIS to access context-sensitive help.
Use the Processing Help tab in the Processing Toolbox to access help for any algorithm.
Use the Expression Help panel in any expression builder dialog to access help for any expression function.
Use the [QGIS website] to access documentation, tutorials, courses, books, blogs, forums, and more.
Use the [QGIS community]( platforms such as GitHub, Twitter, Facebook, YouTube, etc. to ask questions, share tips, report bugs, or provide feedback.
How can I contribute to QGIS?
To contribute to QGIS, you can use one of the following methods:
Donate money to support the development and maintenance of QGIS.
Sponsor a feature or a bug fix that you want to see in QGIS.
Volunteer your time and skills to help with coding, testing, translating, documenting, designing, teaching, or promoting QGIS.
Report bugs or issues that you encounter when using QGIS.
Provide feedback or suggestions for improving QGIS.
You can find more information on how to contribute to QGIS on the [QGIS website]. 44f88ac181
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