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Upgrading postgis_sfcgal to 3.1 or higher
As of PostGIS 3.1, the PostGIS sfcgal support library is no longer part of the postgis core library, but instead spun off into a new library postgis_sfcgal-3. This change is not an issue for people do…
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Validating Polygonal Coverages in JTS
The previous post discussed polygonal coverages and outlined the plan to support them in the JTS Topology Suite. This post presents the first step of the plan: algorithms to validate polygonal covera…
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pygeoapi Graduates OSGeo Incubation
Date: 2022-08-21 OSGeo is pleased to announce that the pygeoapi project has graduated from incubation and is now a full-fledged OSGeo project. Tom Kralidis, pygeoapi founder and chair of the pygeoa…
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A New Trick up QField’s Sleeve: Animated Maps
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Forget label buffers! Better maps with selective label masks in QGIS
Cartographers use all kind of tricks to make their maps look deceptively simple. Yet, anyone who has ever tried to reproduce a cartographer’s design using only automatic GIS styling and labeling knows…
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How to create Google Street View pop-ups with CARTO
Did you know it’s now been over 15 years since Google Street View was launched? It’s been a truly revolutionary technology, allowing users to immerse themselves in places a...
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Announcing: MapGuide Maestro 6.0m11
In the interest of getting back into the habit of releasing things again and to line up authoring expectations/experience for another upcoming MapGuide Open Source 4.0 preview release, here's a l…
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GeoTools 27.1 Released
The GeoTools team is pleased to share the availability GeoTools 27.1 : geotools-27.1-bin.zip geotools-27.1-doc.zip geotools-27.1-userguide.zip geotools-27.1-…
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GeoServer 2.21.1 Release
GeoServer 2.21.1 release is now available with downloads (bin, war, windows), along with docs and extensions. This is a stable release of the GeoServer 1.21.x series, made in conjunction with GeoTool…
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Polygonal Coverages and Operations in JTS
An important concept in spatial data modelling is that of a coverage. A coverage models a two-dimensional region in which every point has a value out of a range (which may be defined over one or a se…
