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JTS IsSimple gets simpler (and faster)
Hard to believe that the JTS Topology Suite is almost 20 years old. That's 140 in dog years! Despite what they say about old dogs, one of the benefits of longevity is that you have the opportun…
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Fixing Invalid Geometry with JTS
TLDR: JTS can now fix invalid geometry!The JTS Topology Suite implements the Geometry model defined in the OGC Simple Features specification. An important part of the specification is the definition …
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Fixing Invalid Geometry with JTS
TLDR: JTS can now fix invalid geometry!The JTS Topology Suite implements the Geometry model defined in the OGC Simple Features specification. An important part of the specification is the definition …
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Sol Katz Award for Geospatial Free and Open Source Software - Call for Nominations 2021
2021-04-26 Sol Katz was an early pioneer of FOSS4G and left behind a large body of work in the form of applications, format specifications, and utilities while at the U.S. Bureau of Land Management…
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GeoServer 2.19.0 Released
We are happy to announce GeoServer 2.19.0 release is available for download (zip and war) along with docs and extensions. This GeoServer 2.19.0 release was produced in conjunction with GeoTools 25.0…
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GeoServer 2.19-RC Released
We are happy to announce GeoServer 2.19-RC release candidate is available for testing. Downloads are available (zip and war) along with docs and extensions. This is a GeoServer release candidate made…
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Upcoming INSPIRE Free Workshop: Smart Data Loader and Templating for GeoServer
Dear Reader, We are excited to invite you to the free online workshop “Smart Data Loader and Templating for GeoServer” to be held on February 11th at 14h00 CET (UTC+1). This workshop was created in pa…
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MapStore Release 2021.01.00
Dear Reader, We are pleased to announce the release 2021.01.00 of MapStore, our flagship Open Source WebGIS product. The full list of changes for this release can be found here. This blog highlights t…
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That Was 2020
Overview of my professional life in 2020. Highlights of living and working in the Open Source Geospatial and OSGeo(.nl|.org)-world in 2020. Organized by “Theme”. Yes, 2020 was a “special year” in pand…
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Fixing Buffer for fixing Polygons
The OGC Simple Features specification implemented by JTS has strict rules about what constitutes a valid polygonal geometry. These include:Polygon rings must be simple; i.e. they may not touch or cro…
