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Celebrating 18 Years of the Open Source Geospatial Foundation (OSGeo)

The Open Source Geospatial Foundation (OSGeo) today celebrates its 18th anniversary, underscoring its pivotal role in the development of open source geospatial software and its impact on the world. Founded in 2006, OSGeo’s mission is to support and promote the collaborative development of open geospatial technologies and data. Over the years, it has become a cornerstone of the open geospatial community, fostering innovation, education and adoption of open source geospatial software worldwide.

The post Celebrating 18 Years of the Open Source Geospatial Foundation (OSGeo) appeared first on Markus Neteler Consulting.

GRASS GIS 8.3.2 released

The GRASS GIS 8.3.2 maintenance release contains more than 30 changes compared to 8.3.1. This new patch release includes important fixes and improvements to the GRASS GIS modules and the graphical user interface (GUI), making it even more stable for daily work.

The post GRASS GIS 8.3.2 released appeared first on Markus Neteler Consulting.

Using leafmap with actinia in a Jupyter notebook

This blog post gives an overview of how to easily perform a geodata analysis of an online available dataset (here: a GeoTIFF file) with actinia and display the result in Leafmap browser-based.

The post Using leafmap with actinia in a Jupyter notebook appeared first on Markus Neteler Consulting.

GRASS GIS Annual Report 2023

The GRASS GIS Annual Report for 2023 highlights a year of significant achievements and developments in the GRASS GIS project, which celebrated its 40th anniversary. Here’s a summary of the report: Community Meeting: The GRASS GIS Community Meeting was held in June at the Czech Technical University in Prague, bringing together a diverse group of […]

The post GRASS GIS Annual Report 2023 appeared first on Markus Neteler Consulting.

Translating Open Source Software with Weblate: A GRASS GIS Case Study

Open source software projects thrive on the contributions of the community, not only for the code, but also for making the software accessible to a global audience. One of the critical aspects of this accessibility is the localization or translation of the software’s messages and interfaces. In this context, Weblate (https://weblate.org/) has proven to be […]

The post Translating Open Source Software with Weblate: A GRASS GIS Case Study appeared first on Markus Neteler Consulting.

GRASS GIS 8.3.1 released

What’s new in a nutshell The GRASS GIS 8.3.1 maintenance release provides more than 60 changes compared to 8.3.0. This new patch release brings in important fixes and improvements in GRASS GIS modules and the graphical user interface (GUI) which stabilizes the new single window layout active by default. Some of the most relevant changes […]

The post GRASS GIS 8.3.1 released appeared first on Markus Neteler Consulting.

GRASS GIS 8.3.0 released

What’s new in a nutshell The GRASS GIS 8.3.0 release provides more than 360 changes compared to the 8.2 branch. This new minor release brings in many fixes and improvements in GRASS GIS modules and the graphical user interface (GUI) which now has the single window layout by default. Some of the most relevant changes […]

The post GRASS GIS 8.3.0 released appeared first on Markus Neteler Consulting.

GRASS GIS 8.2.0 released

The 8.2.0 release of GRASS GIS is now available with results from the GSoC 2021 and many other additions. A new grass.jupyter package is now included for interacting with Jupyter notebooks. Single window graphical user interface is available in GUI settings. r.series and three other modules are newly parallelized. Additionally, the release includes a series […]

The post GRASS GIS 8.2.0 released appeared first on Markus Neteler Consulting.

GRASS GIS 8.0.1 released

This is an update release of the GRASS GIS 8.0 series. Download source code tarball at https://grass.osgeo.org/grass80/source/grass-8.0.1.tar.gz https://grass.osgeo.org/grass80/source/grass-8.0.1.md5sum For further release details (bug fixes and enhancements), see https://trac.osgeo.org/grass/wiki/Grass8/NewFeatures80 The GRASS GIS 8.0.1 release provides more than 20 fixes and improvements with respect to the release 8.0.0. What’s Changed Important fixes utils/mkhtml: fix print warning/fatal message […]

The post GRASS GIS 8.0.1 released appeared first on Markus Neteler Consulting.

GRASS GIS 8.0.0 released! Finally…

Overview of changes After more than 3 year of development the first stable release GRASS GIS 8.0.0 is available. Efforts have concentrated on making the user experience even better, providing many new useful additional functionalities to modules and further improving the graphical user interface. Breaking news: new graphical user interface with entirely rewritten startup sequence! […]

The post GRASS GIS 8.0.0 released! Finally… appeared first on Markus Neteler Consulting.

GRASS GIS 8.0.0RC2 released

Overview of changes

After more than 3 year of development the first stable release GRASS GIS 8.0.0 is available. Efforts have concentrated on making the user experience even better, providing many new useful additional functionalities to modules and further improving the graphical user interface.

Breaking news: new graphical user interface with entirely rewritten startup sequence!

This re-establishes user experience compatibility with QGIS and other connected software packages.

The GRASS GIS 8.0.0 release provides more than 1,300 fixes and improvements with respect to the release 7.8.6.

With the introduction of the semantic label raster metadata class, the temporal database was modified to version 3. Hence, to be able to read and process GRASS 7.x space-time datasets, users will be prompted to run t.upgrade. If users want to read newly created space-time datasets back in GRASS 7.x, they can run t.downgrade.

Launching the software

The user experience of the graphical user interface has been completely rewritten: no more clumsy selection screens – just enter the menu system directly!

And on command line, GRASS GIS now starts versionless, i.e. as grass.

Download and detailed list of changes

See https://github.com/OSGeo/grass/releases/tag/8.0.0RC2

Thanks to all contributors!

GRASS GIS 8.0.0RC2 contributors

The post GRASS GIS 8.0.0RC2 released appeared first on Markus Neteler Consulting.

GRASS GIS 7.8.5 released

What’s new in a nutshell Zanzibar Mapping Initiative data processed in OpenDroneMap and interpolated respecting building footprints using v.surf.icw

As a follow-up to the previous GRASS GIS 7.8.4 we have published the new release GRASS GIS 7.8.5 with more than 80 improvements. This minor release offers new wxGUI fixes across the tree. Also the addon extension manager received various stability fixes. VRT raster map with tiled raster maps can now be properly exported and imported in the native GRASS GIS raster format.

The overview of new features in the 7.8 release series is available at new features in GRASS GIS 7.8. See also our detailed announcement with the full list of changes and bugs fixed at https://trac.osgeo.org/grass/wiki/Release/7.8.5-News.

Binaries/Installer download:

Source code download:

First time users may explore the first steps tutorial after installation.

About GRASS GIS

The Geographic Resources Analysis Support System (https://grass.osgeo.org/), commonly referred to as GRASS GIS, is an Open Source Geographic Information System providing powerful raster, vector and geospatial processing capabilities. It can be used either as a stand-alone application or as backend for other software packages such as QGIS and R geostatistics or in the cloud. It is distributed freely under the terms of the GNU General Public License (GPL). GRASS GIS is a founding member of the Open Source Geospatial Foundation (OSGeo).

The GRASS Development Team, Dec 2020

The post GRASS GIS 7.8.5 released appeared first on Markus Neteler Consulting.

OSGeo at FOSDEM 2021 (Online) – Call for Participation for the geospatial devroom

Call for Participation for FOSDEM 2021 geospatial devroom

Submission Deadline: 26.12.2020

FOSDEM is the largest free and open source developers meeting in Europe, with 8000+ participants. It normally takes place in Brussels (Belgium).

FOSDEM 2021 will be an online event. We will have a geospatial devroom again. The geospatial devroom will be on Saturday, 6 February 2021. In 2021 it will be our opportunity to bring our global community to FOSDEM.

The geospatial devroom is the place to talk about the state of the art of open, geo-related data, free and open source geospatial software and its ecosystem. This includes standards and tools, e.g. spatial databases, online mapping tools, geospatial services, used for collecting, storing, delivering, analysing, and visualizing geodata.

We are looking for you to be part of the geospatial devroom. The geospatial devroom aims to host talks about geospatial topics, GIS, and geodata projects, standards and open data.

Please submit your talk till 26. December 2020.

You find detailed information about the CfP at:
https://www.osgeo.org/foundation-news/osgeo-at-fosdem-2021-online-call-for-participation/

We hope you will submit a talk or come around at FOSDEM 2021.

See you at FOSDEM 2021

The post OSGeo at FOSDEM 2021 (Online) – Call for Participation for the geospatial devroom appeared first on Markus Neteler Consulting.

MapScaping podcast: GRASS GIS probably doesn’t get the attention it deserves

THE MAPSCAPING PODCAST, GRASS GIS episode

In episode 86 of MapScaping podcast, Markus Neteler talks about the functionality offered (the topological vector engine, 2D and 3D raster analysis, image processing and available programming interfaces), and whom GRASS GIS is for.

Markus is the cofounder of mundialis, a Bonn based business. He is also the Chairman of the GRASS GIS Project Steering Committee.

Enjoy the podcast and the transcript!

The post MapScaping podcast: GRASS GIS probably doesn’t get the attention it deserves appeared first on Markus Neteler | Geospatial Analysis | Remote sensing | GRASS GIS.

GRASS GIS 7.8.4 released

1. What’s new in a nutshell

Processed LiDAR data in GRASS GIS (screenshot by @neteler)As a follow-up to the previous GRASS GIS 7.8.3 we have published the new release GRASS GIS 7.8.4 with more than 170 improvements. This minor release again focuses on wxGUI fixes, especially in the animation export, the layer management, 3D visualization and the data catalogue. Many display modules received fixes as well, and the vector digitizer now works as expected.

The overview of new features in the 7.8 release series is available at new features in GRASS GIS 7.8. See also our detailed announcement with the full list of changes and bugs fixed at https://trac.osgeo.org/grass/wiki/Release/7.8.4-News.

Binaries/Installer download:

Source code download:

First time users may explore the first steps tutorial after installation.

About GRASS GIS

The Geographic Resources Analysis Support System (https://grass.osgeo.org/), commonly referred to as GRASS GIS, is an Open Source Geographic Information System providing powerful raster, vector and geospatial processing capabilities. It can be used either as a stand-alone application or as backend for other software packages such as QGIS and R geostatistics or in the cloud. It is distributed freely under the terms of the GNU General Public License (GPL). GRASS GIS is a founding member of the Open Source Geospatial Foundation (OSGeo).

The GRASS Development Team, Oct 2020

The post GRASS GIS 7.8.4 released appeared first on GFOSS Blog | GRASS GIS and OSGeo News.

GRASS GIS 7.8.2 released

GRASS GIS 7.8.2 released with updated PROJ 6 and GDAL 3 support

What’s new in a nutshell

As a follow-up to the recent GRASS GIS 7.8.1 we have pusblished the new stable release GRASS GIS 7.8.2.
Besides other improvements, the release contains important PROJ 4/5/6 related datum handling fixes, wxGUI fixes and a fix for the vector import from PostGIS databases.

An overview of the new features in the 7.8 release series is available at new features in GRASS GIS 7.8.

Binaries/Installer download:

Source code download:

See also our detailed announcement:

First time users may explore the first steps tutorial after installation.

About GRASS GIS

The Geographic Resources Analysis Support System (https://grass.osgeo.org/), commonly referred to as GRASS GIS, is an Open Source Geographic Information System providing powerful raster, vector and geospatial processing capabilities in a single integrated software suite. GRASS GIS includes tools for spatial modeling, visualization of raster and vector data, management and analysis of geospatial data, and the processing of satellite and aerial imagery. It also provides the capability to produce sophisticated presentation graphics and hardcopy maps. GRASS GIS has been translated into about twenty languages and supports a huge array of data formats. It can be used either as a stand-alone application or as backend for other software packages such as QGIS and R geostatistics. It is distributed freely under the terms of the GNU General Public License (GPL). GRASS GIS is a founding member of the Open Source Geospatial Foundation (OSGeo).

The GRASS Development Team, December 2019

The post GRASS GIS 7.8.2 released appeared first on GFOSS Blog | GRASS GIS and OSGeo News.

Remarks on SVN-trac to GitHub migration

GRASS GIS is an open source geoinformation system which is developed by a globally distributed team of developers. Besides the source code developers also message translators, people who write documentation, those who report bugs and wishes and more are involved.

1. Early days… from pre-Internet to CVS and SVN

While GRASS GIS is under development since 1982 (no typo!) it has been put into a centralized source code management system in December 1999. Why so late? Because the World Wide Web (WWW) became available in the 1990s along with tools like browsers and such, followed by the development of distributed source code management tools. We moved on 29th Dec 1999 (think Y2K bug) the entire code into our instance of CVS (Concurrent Versioning System). With OSGeo being founded in 2006, we migrated the CVS repository to SVN (Subversion for the source code management) and trac (bug and wish tracker) on 8 Dec 2007. See here for historic details on our various bug trackers.

2. Time to move on: git

Now, after more than 10 years using SVN/trac time had come to move on and join the large group of projects managing their source code in git (see also our related Wiki page on migration). Git comes with numerous advantages, yet we needed to decide which hosting platform to use. Options where github.com, gitlab.com, gitlab or gitea on OSGeo infrastructure, or other platforms. Through a survey we found out that the preference among contributors is GitHub. While not being open source itself it offers several advantages: it is widely known (good to get new developers interested and involved), numerous OSGeo projects are hosted there under the GitHub “OSGeo organization“.

If all fails (say, one day GitHub no longer being a reasonable choice) the import of our project from GitHub to GitLab is always possible. Indeed, we meanwhile mirror our code on OSGeo’s gitea server.

Relevant script code and migration ticket:

Relevant steps:

  • migrated SVN trunk -> git master
  • migrated and tagged release branches (milestones)
  • deleted “develbranch6” (we compared it to “releasebranch_6_4” and didn’t discover relevant differences)
  • Fix commit messages (yes, we really wanted to be brave, updating decades of commit messages!):
    • references to old RT tracker tickets (used Dec 2000 – Dec 2006)
    • references to old GForge tracker tickets (used Jan 2007 – Dec 2008)
    • references to other trac tickets (#x -> https://trac.osgeo.org/…)

3. Source code migration: the new git repositories

  • github repository “grass” (repo)

    • Source code from 1999 to present day (SVN-trunk -> git-master)
    • all 7.x release branches
  • github repository “grass-legacy” (repo)

    • separate repository for older GRASS GIS releases (3.2, 4.x, 5.x, 6.x), hence source code now available in git since 1987!
  • github repository “grass-addons” (repo)

    • repository for addons
  • github repository “grass-promo” (repo)
    • repository for promotional material
  • github repository “grass-website” (repo)
    • repository for upcoming new Website

4. Remarks on the “grass-legacy” repository

What special about it:

  • the source code goes back to 1987!
  • file timestamps (which I tried to preserve for decades :-) have been used to reconstruct the source code history (e.g., releasebranch_3_2)
  • junk files removed (plenty of leftover old binary files, files consisting of a special char only etc)
  • having this grass-legacy repo available in parallel to the main grass repo which contains the  recent source code we have a continuous source code coverage from 1987 to today in git.
  • size is about 250MB

What’s missing

  • the 4.3 source code doesn’t have distinct timestamps. Someone must have once packaged without mtime preservation… a pity. Perhaps a volunteer may fix that by carrying over the timestamps from GRASS GIS 4.2 in case the md5sum of a file is identical (or so).

5. Trac issue migration

A series of links had to be updated. Martin Landa invested days and days on that (thanks!!). He used the related GDAL efforts as a basis (Even Rouault: thanks!). As the date for the trac migration we selected 2007-12-09 (r25479) as it was the first SVN commit (after the years in CVS). The migration of trac bugs to github (i.e. transfer of trac ticket content) required several steps:

Link updates in the ticket texts:

  • links to other tickets (now to be pointed to full trac URL). Note that there were many styles of referring in the commit log message which had to be parsed accordingly
  • links to trac wiki (now to be pointed to full trac URL)
  • links source code in SVN (now to be pointed to full trac URL)
  • images and attachments (now to be pointed to full trac URL)

Transferring:

  • “operating system” trac label into the github issue text itself (following the new issue reporting template)
  • converting milestones/tickets/comments/labels
  • converting trac usernames to Github usernames
  • setting assignees if possible, set new “grass-svn2git” an assignee otherwise
  • slowing down transfer to match the 60 requests per second API limit rate at github

6. Fun with user name mapping

Given GRASS GIS’ history of 35+ years we had to invest major effort in identifying and mapping user names throughout the decades (see also bug tracker history). The following circumstances could be identified:

  • user present in CVS but not in SVN
  • user present in SVN but not in CVS
  • user present in both with identical name
  • user present in both with different name (well, in our initial CVS days in 1999 we often naivly picked our surnames like “martin”, “helena”, “markus”, “michael” … cute yet no scaling very much over the years!) as some were changed in the CVS to SVN migration in 2007, leading to
    • colliding user names
  • some users already having a github account (with mostly different name again)

We came up with several lookup tables, aiming at catching all variants. Just a “few” hours to dig in old source code files and in emails for finding all the missing email addresses…

7. Labels for issues

We cleaned up the trac component of the bug reports, coming up with the following categories which have to be visually grouped by color since the label list is just sorted alphabetically in github/gitlab:

  • Issue category:
    • bug
    • enhancement
  • Issue solution (other than fixing and closing it normally):
    • duplicate
    • invalid
    • wontfix
    • worksforme
  • Priority:
    • blocker
    • critical
    • feedback needed
  • Components:
    • docs
    • GUI
    • libs
    • modules
    • packaging
    • python
    • translations
    • unittests
    • Windows specific

Note that the complete issue migration is still to be done (as of Nov. 2019). Hopefully addressed at the GRASS GIS Community Sprint Prague 2019.

8. Setting up the github repository

In order to avoid users being flooded by emails due to the parsing of user contributions which normally triggers an email from github) we reached out to GitHub support in order to temporarily disable these notifications until all source code and selected issues were migrated.

The issue conversion rate was 4 min per trac bug to be converted and uploaded to github. Fairly slow but likely due to the API rate limit imposed and the fact that the migration script above generates a lot of API requests rather than combined ones..
Note to future projects to be migrated: use the new gihub import API (unfortunately we got to know about its existence too late in our migration process).

Here out timings which occurred during the GRASS GIS project migration from SVN to github:

  • grass repo: XX hours (all GRASS GIS 7.x code)
  • grass-legacy repo: XX hours (all GRASS GIS 3.x-6.x code)
  • NNN issues: XX hours – forthcoming.

9. New issue reporting template

In order to guide the user when reporting new issues, we will develop a small template – forthcoming.

10. Email notifications: issues to grass-dev and commits to grass-commit

We changed the settings from SVN post-hook to Github commit notifications and they flow in smoothly into the grass-commit mailing list. Join it to follow the development.

Overall, after now several months of using our new workflow we can state that things work fine.

The post Remarks on SVN-trac to GitHub migration appeared first on GFOSS Blog | GRASS GIS and OSGeo News.

Happy birthday OSGeo!

On February 4, 2006 OSGeo held its first meeting in Chicago, with 25 participants representing 18 groups and over 20 different Open Source GIS projects, and 39 others participating via Internet Relay Chat. During the meeting, participants made important decisions in the formation and organization of the foundation, including the name, structure and purpose. The consensus reached in Chicago opened the way for the establishment of a productive and representative foundation.

Today we are happy to announce that the we have meanwhile over 32,800 unique subscribers in the huge list of over 290 OSGeo mailing lists!

And: check out the web site of the OSGeo foundation.

1. More to come this year!

… see here for the growing list of events

The post Happy birthday OSGeo! appeared first on GFOSS Blog | GRASS GIS and OSGeo News.

Call for testing: GRASS GIS with Python 3

Please help us testing the Python3 support in the yet unreleased GRASS GIS trunk (i.e., version “grass77” which will be released as “grass78” in the near future).

1. Why Python 3?

Python 2 is end-of-life (EOL); the current Python 2.7 will retire in 11 months from today (see https://pythonclock.org). We want to follow the “Moving to require Python 3” and complete the change to Python 3. And we need a broader community testing.

2. Download and test!

Packages are available at time:

3. Instructions for testing

4. Problems found? Please report them to us

Problems and bugs can be reported in the GRASS GIS trac. Code changes are welcome!

Thanks for testing grass77!

The post Call for testing: GRASS GIS with Python 3 appeared first on GFOSS Blog | GRASS GIS and OSGeo News.

GRASS GIS 7.6.0 released

We are pleased to announce the GRASS GIS 7.6.0 release

What’s new in a nutshell

After almost 1 year of development the new stable release GRASS GIS 7.6.0 is available. Efforts have concentrated on making the user experience even better, providing many new useful additional functionalities to modules and further improving the graphical user interface. Furthermore, ZSTD has been added a new raster compression method which is an improvement over ZLIB’s deflate method, providing both faster and higher compression than ZLIB. Also a new raster map type has been added: GRASS virtual raster (VRT) which is a virtual mosaic of the list of input raster maps. In addition, support for PROJ v. 5 has been implemented. An overview of the new features in the 7.6 release series is available at new features in GRASS GIS 7.6.

Binaries/Installer download:

Source code download:

More details:

See also our detailed announcement:

First time users may explore the first steps tutorial after installation.

About GRASS GIS

The Geographic Resources Analysis Support System (https://grass.osgeo.org/), commonly referred to as GRASS GIS, is an Open Source Geographic Information System providing powerful raster, vector and geospatial processing capabilities in a single integrated software suite. GRASS GIS includes tools for spatial modeling, visualization of raster and vector data, management and analysis of geospatial data, and the processing of satellite and aerial imagery. It also provides the capability to produce sophisticated presentation graphics and hardcopy maps. GRASS GIS has been translated into about twenty languages and supports a huge array of data formats. It can be used either as a stand-alone application or as backend for other software packages such as QGIS and R geostatistics. It is distributed freely under the terms of the GNU General Public License (GPL). GRASS GIS is a founding member of the Open Source Geospatial Foundation (OSGeo).

The GRASS Development Team, January 2019

The post GRASS GIS 7.6.0 released appeared first on GFOSS Blog | GRASS GIS and OSGeo News.

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