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Simon | 07.08.2023

How Is Geodata Collected?

Kartensoftware > How Is Geodata Collected?

Geodata encompasses a wide range of information collected through diverse methods and advanced technologies, all aimed at capturing precise details about specific locations on the Earth's surface. The collection techniques vary based on the specific type of data required for different purposes, for example spatial data used in softwaredevelopment..

One prominent approach for geodata collection is through online platforms that enable users to access and contribute to geospatial datasets. OpenStreetMap is a prime example of such a platform, empowering users to add, edit, and share data on an open-source map. This collaborative effort, known as crowdsourcing, plays a vital role in gathering geospatial data, leveraging the contributions of volunteers from across the globe.

Additionally, Global Positioning Systems (GPS) stand as a widely-used and accessible method for collecting geodata. Incorporated in smartphones and navigation devices, GPS accurately determines the longitude, latitude, and altitude of objects and locations.

Satellites equipped with high-resolution imaging capabilities offer another significant means of geodata acquisition. Capturing detailed images of the Earth's surface, satellite imagery is instrumental in creating comprehensive maps and monitoring environmental changes over time.

LiDAR (Light Detection and Ranging), an advanced technology employing laser pulses to measure distances to the Earth's surface, proves invaluable in generating accurate digital elevation models and terrain data. Such data finds applications in diverse fields, including forestry, urban planning, and flood risk assessment.

Traditional surveying and ground-based techniques continue to be widely employed in conjunction with digital technologies to collect geodata. Using tools such as theodolites and total stations, these methods precisely measure angles, distances, and elevations, supporting cartography and engineering projects.

Crowdsourcing, as previously mentioned, not only enriches geospatial databases but also contributes real-time traffic data and location-based information, which is shared through popular apps like 'Waze.'

Another significant source of geodata is mobile apps and IoT devices, particularly the Internet of Spatial Things (IoST). These devices utilize GPS and cellular networks to provide real-time location information, facilitating various applications like asset tracking and location-based services. IoST devices transmit data encompassing location, size, shape, and orientation of objects.

Finally, environmental data is collected through sensors and telemetry systems. These specialized instruments monitor weather conditions, air quality, water levels, and other essential environmental parameters, ensuring continuous data acquisition for environmental monitoring and research.

In conclusion, the multifaceted nature of geodata collection allows for a comprehensive understanding of spatial information, empowering various industries and applications with accurate and up-to-date geographical data.

Simon Jakubowski
Simon (Softwareentwickler)

… ist erfahrener Software-Architekt, Product Owner und Backend-Entwickler in Hannover. Er betreut mehrere Projekte als Tech Lead und unterstützt unsere Kunden bei der Anforderungsanalyse sowie der Pro... mehr anzeigen


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