GlobalBuildingAtlas is the world's first complete three-dimensional map of global construction. It was created by a squad of researchers from Munich University of Technology (TUM). The base contained about 2.75 billion buildings. Each has a marked shape, position and approximate height. It is not only an effective visualization, but a fresh tool to survey urbanization or climate change.
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What is GlobalBuildingAtlas? An different map for the first time showing the full building of the Earth
At GlobalBuildingAtlas all objects are presented as 3D models with resolution of up to 3×3 metres. As many as 97 percent of the buildings were recorded in the LoD1 standard, i.e. as simplified figures with real height. This makes it possible for the first time to calculate not only the building area, but besides its actual scale. This is simply a key difference to conventional 2D maps, which frequently mask real disparities between regions. Scientists have introduced a fresh indicator: the volume of buildings per capita. It shows where people have more space to live and where they nest in low, dense buildings. The data clearly indicates that richer regions have a much larger cucature per person, while in poorer parts of the planet surviving space is heavy limited.
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Until recently, the creation of specified an accurate map of the planet seemed unrealistic. It required costly laser scanning or very detailed satellite images. However, scientists from Munich University of Technology chose a different path. They first reached for mention data from 168 cities, mainly in Europe and North America. LiDAR measurements were utilized there, or laser scans measuring the time of return of the pulse reflected from the surface. On this basis, the algorithm learned to combine satellite imagery with actual build height. Later, artificial intelligence analyzed about 800,000 scenes dating from 2019. The consequence is simply a uniform data collection covering virtually everything: from houses in African villages, through European blocks, to skyscrapers of large metropolises. Only at this level can we see a real scale of differences between regions. Asia, for example, focuses almost half of all the objects, while Africa, despite its immense number, has a very tiny full build volume.
A map that betrays more than it seems. The task is available online for anyone willing
GlobalBuildingAtlas is an open and publically accessible project. You can browse the map online, bring the view closer to the level of individual objects and download data for your own analysis. It is simply a powerful tool for urbanists, governments, humanitarian organisations and climate change researchers. This is crucial due to the fact that buildings account for nearly 40 percent of global carbon dioxide emissions, and accurate cognition of their distribution makes it easier to estimation energy consumption. A three-dimensional construction mapping can besides aid detect chaotic investments, infrastructure planning, and even analysis of corruption mechanisms. erstwhile each object has a circumstantial volume, it is much harder to hide what had previously died on flat combinations.
Source: National Geographic, Nature, Focus, Spider's Web
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