In QGIS, the IN operator is used in expressions, particularly when you need to test if a value exists within a set of values. This is particularly useful in filtering data, styling layers, or defining conditional expressions in the Field Calculator.
Read MoreMeasuring and calculating line lengths accurately in QGIS with our comprehensive guide. From understanding the difference between $length and length($geometry) to converting units and ensuring your data reflects real-world distances accurately.
Read MoreDiscover why smartphones can’t deliver survey-grade GNSS precision due to technical, design, and economic challenges. Learn about alternatives and the future of high precision positioning.
Read MoreFree Options for Converting Geojson to GPX Converting GeoJSON data into GPX format involves transforming geographic data structured in the GeoJSON format, which is based on JSON, into the GPX (GPS Exchange Format), a lightweight XML data format designed for sharing GPS routes, waypoints, and tracks. To accomplish this conversion, you’ll typically use a script…
Read MoreWhat is GeoJson and why you should care? We can’t talk about GeoJson without first understanding JSON GeoJSON and JSON are both data interchange formats used for storing and exchanging data. While JSON (JavaScript Object Notation) is a text-based format that is used universally across various programming environments for encoding structured data, GeoJSON is a…
Read MoreDiscover the essential techniques for renaming fields and attributes in QGIS with our comprehensive guide. Whether you’re looking to make temporary changes using aliases or permanently modify field names, our step-by-step tutorial makes it easy for both beginners and seasoned GIS professionals
Read MoreExplore the intricacies of Ordnance Datum (OD) and its vital role in modern mapping, surveying, and environmental planning. Our comprehensive discussion delves into what OD is, how it’s established, and its significance in various applications like flood risk assessment, urban planning, and integration with GPS and digital technologies. Understand the key differences between OD and sea level, and uncover how this crucial geodetic tool shapes everything from topographical mapping to real-world GPS applications
Read MoreDiscover the power of QGIS on iPhone with our in-depth look at QField and Mergin Maps. Explore how these apps revolutionize field data collection, enhance real-time GIS collaboration, and seamlessly integrate with QGIS desktop for efficient geospatial management
Read MoreDiscover the power of QGIS on Android with our in-depth look at QField and Mergin Maps. Explore how these apps revolutionize field data collection, enhance real-time GIS collaboration, and seamlessly integrate with QGIS desktop for efficient geospatial management
Read MoreInteractive map of the World’s Oceans and bathymetry This ocean map is a visual representation of the seafloor, detailing its various features such as depths, underwater terrain, and geographical landmarks. Much like a topographical map illustrates the features of land elevations, an ocean map reveals the contours and compositions of the seabed. These maps are…
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