August 2, 2019
by chris
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Some time ago i introduced a new technique for producing accurate color mosaics from Landsat and Sentinel-2 data using pixel statistics methods. Here now some larger area 3d views of Europe produced using this imagery allowing for a more accurate … Continue reading
July 30, 2019
by chris
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I have a bit of a backlog of 3d views i have not yet introduced here on the blog and which i am trying to work through in the next few posts. The first is a set of globe views … Continue reading
January 21, 2018
by chris
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Many on my readers probably have heard about the company Mapzen closing down. In that context the Mapzen CEO Randy Meech has published (or more precisely: re-published) a piece on volatileness and permanence in tech business which reminded me of … Continue reading
March 3, 2016
by chris
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After the Landsat mosaic of Scandinavia i also produced a shading compensated version of this image to use for creating new 3d views of the area. Here are a few examples from the coast of northern Norway produced based on … Continue reading
September 22, 2015
by chris
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Supplemental to the Svalbard mosaic here some 3d views of the area created using this and elevation data from the Norwegian Polar Institute (CC-BY-4.0 license). The NPI data is detailed but quite outdated in large parts – here a map … Continue reading
August 13, 2015
by chris
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I put up a number of new 3d views of the Alps on the services.imagico.de catalog that were – like the previous images – created based on the Landsat mosaic of Germany and the Alps. In addition you can … Continue reading
June 20, 2015
by chris
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Digital elevation data is an important basis of map production and geodata processing these days. I have written about elevation data sources and use of such data previously on several occasions. SRTM data is the most widely used elevation data … Continue reading
May 21, 2015
by chris
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After introducing the Landsat mosaic of Germany and the Alps i also produced a shading compensated version. Here are a few new 3d renderings created using that image. In contrast to my earlier views of the Alps these show more … Continue reading
January 20, 2015
by chris
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The Atlas Mountains views introduced in the previous post are my first use of the SRTM high resolution data in 3d rendering. Here a higher resolution crop for comparison (first is the 1 arc second data, second 3 arc seconds): … Continue reading
January 20, 2015
by chris
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I put up some new 3d views of the Atlas Mountains with winterly snow cover on the services.imagico.de catalog. The Atlas Mountains are the largest region in Africa with extensive seasonal snow cover. At the same time most rain in … Continue reading
September 19, 2014
by chris
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The Green Marble global color mosaic i introduced recently allows producing 3d views of areas where previously available image data was not suited for high quality images. Here are a number of perspectives i wanted to do for quite a … Continue reading
July 12, 2014
by chris
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After the general discussion of the boundaries between 2d maps and and 3d perspective views i set up a version of the Franz Josef Land map in orthographic 3d perspective for a more practical demonstration: Producing this kind of map … Continue reading