-
Citymapper – London’s Uber?
Travel Puzzle Last week Citymapper (one of the poster children of the UK’s OpenData movement) announced the launch of their CityMapper PASS card. Citymapper started out with a travel app based …
-
Towards gvSIG 2.5: New geoprocess, Ring map
In the last gvSIG Conferences we talked about a series of geoprocess created for criminology developed with Universidad Jaume I (UJI). You can see the video here (in spanish, if you have any question …
-
Proj6 in PostGIS
Map projection is a core feature of any spatial database, taking coordinates from one coordinate system and converting them to another, and PostGIS has depended on the Proj library for coordinate repr…
-
Inspiring techies to become great writers
How to inspire and empower Open Source software developers to write great documentation, and improve the world while you're at it.Reading time: 8 minutesPresented at Write The Docs - Sydney [sli…
-
Better/Faster Interior Point for Polygons - now in GEOS
As a gentle introduction to GEOS development I took on the task of porting the recent improvements to the JTS InteriorPointArea algorithm. This is a fairly small chunk o'code, but it touches mo…
-
Towards gvSIG 2.5: Improvements at geoprocessing framework
The gvSIG Desktop 2.5 version, that you can test with the new distribution candidate to final version, includes a series of improvements in the geoprocess framework that we explain below. Visual imp…
-
gvSIG 2.5 RC1 available, first release candidate to final version
The first release candidate (RC1) of the new gvSIG 2.5 version is now available to download. This version can be downloaded from the development versions section of the project website. The novelties …
-
Free course about Geographic Information Systems applied to archaeology: Certification and links to the complete course
The certification of the course about Geographic Information Systems applied to archaeology is now available. This certification starts after publishing the seven modules that form the course, but it …
-
Towards gvSIG 2.5: Saving and loading labelling
We continue with more novelties. In this case it is a simple functionality, but very useful. This new tool allows to save a labelling configuration, being able to recover it later to apply it. Any GIS…
-
Better and Faster Interior Point for Polygons in JTS/GEOS
A humble workhorse of geospatial processing is the ability to compute a point which is guaranteed to lie in the interior of a polygon. In the OGC Simple Features for SQL specification (and hence in P…
