Talk:GRASS Community Meeting Prague 2023

Tasks for participants

• Create section for you in the Reports section.
• List all the things you are working on in the section. Update the list each day. Include things you work on with other people.
• Link the GRASS Community Meeting Prague 2023 project on GitHub to each PR or issue you are working on or plan to be working on.
• If you are or will be working on an issue or on a PR which is not originally submitted by you, assign yourself to the issue or PR. (You can unassign yourself later if you change your mind.)

Planning and organizing

• Initial planning: Veronica Andreo, Martin Landa, Vaclav Petras, Helmut Kudrnovsky, Anna Petrasova, Huidae Cho, Markus Neteler, Helena Mitasova, Micha Silver, Linda Kladivova
• Funding acquisition: Veronica Andreo, Markus Neteler, Vaclav Petras, Anna Petrasova, Huidae Cho, Luca Delucchi, Venkatesh Raghavan
• Budget: Vaclav Petras, Markus Neteler, Veronica Andreo
• Venue and local organizing: Martin Landa
• T-shirts, hoodies, stickers: Vaclav Petras, Anna Petrasova
• Promotion, invitations, and social media: Caitlin Haedrich, Veronica Andreo, Vaclav Petras
• Wiki page: Martin Landa, Markus Neteler, Vaclav Petras, Veronica Andreo
• Virtual meeting organizing: Veronica Andreo
• Photography: Caitlin Haedrich

Ideas for the meeting agenda

Collect ideas here :-)

Markus Neteler

• Improve QGIS-GRASS GIS integration; update of provider to GRASS GIS 8
• GRASS GIS addons overview generator for entire GitHub (and more?) based on tag "grass-gis-addons"
• Discuss about a 4th edition of "Open Source GIS: A GRASS GIS Approach"
• message translation: Easy machine translation of messages in OSGeo-Weblate with DeepL API
  • my tests with DeepL show that the quality is very good; average translation time of a user message shrinks to 15 seconds √
  • note: one needs to login to Weblate to see the "Automatic suggestion" button (using the OSGeo-ID)
• Fix docs:
  • Provide better explanation for radius parameter for r.resamp.filter: https://github.com/OSGeo/grass/issues/2569
  • improve v.clean docs

Vero

• All - think about GRASS GIS mission and vision: Where do we want to be as a project in 5 years time? What do we want to have? What do we want to be?
• Participate in discussions about GRASS interfaces with QGIS and R (rgrass)
• Discuss sponsoring
• Student grant for (python) documentation?
• Discuss about wiki clean-up/update (Anna was working on a list of pages)
• Website enhancements: complete open PR's, meet Daniel Torres, new support item in main menu
• Discuss State of GRASS presentation for FOSS4G 2023
• i.landsat if time permits
• ...

Reports

Caitlin Haedrich

• Photos, social media and wiki page
• grass.jupyter:
  • add feature for animating series of rasters

Vaclav Petras

• Rename location to project
  • wxGUI: Rename location to project #2993
  • Discussion
• Python API
  • grass.experimental: Add object to access modules as functions #2923
• CI
  • CI: Switch Travis to Ubuntu 22.04 (jammmy) #3002
• Reviews and merges:
  • t.rast.algebra/testsuite: split file test_raster_algebra.py #2974
  • Imagery: add libsvm based imagery classification #2189
  • r.random.walk: Add module to create random walks #606

Anna Petrasova

• Fix bug in querying
• review, merge and backport of fix in datacatalog
• review of wxGUI: fix show MASK statusbar button widget if mask is created
• merge of wxGUI: adding a button for undocking an AuiNotebook tab to wx.Frame (Single-Window GUI)
• edit check min required wx version when starting wxgui

Maris Nartiss

• i.svm.* cleanup and preparation for a review
• A conceptual proposal for a new start up screen
• Initial version of imagery signature management module i.signatures
• Remove obsolete parts of locale README file

Micha Silver

Working on a new GRASS addon: r.optram the repo on github

02/06: Initialize main file r.optram.py

includes these functions:

1. getImgList() - get list of IMG_FILEs in a Sentinel 2 SAFE Directory
2. cropToAOI() - Crop the images to the Area of Interest
3. prepareSTR() - Convert SWIR to the SWIR Transformed Reflectance
4. prepareVI() - Prepare the (user chosen) vegetation index

03/06:

1. Split to three modules: r.optram.preprocess, r.optram, r.optram.soilmoisture
2. new function: prepareTrapezoid() - to get wet-dry regression lines and slope, intercept values

04/06 Initialize second file/function: r.optram.soilmoisture.py

1. createSoilMoisture() - creates new GRASS raster

Luís de Sousa

Work on GRASS add-on r.mblend

• Module is still maintained and fully functional in GRASS 8.2 (now included in the GRASS global add-ons repository)
• However was not longer producing correct results due to new behaviour in v.what.rast
• Solution identified, using inner buffer to interpolation area (PR #910)
• A small unit test suite was developed (PR #911)

Documentation

• Expanded instructions on Pre-commit (PR #3006)
• Mini guidelines on unit tests for add-ons (PR #916)

Aaron Saw Min Sern

• Fix bug to complete r.univar parallelization. PR

Martin Landa

• Check min required wx version when starting wxgui PR #2990
• Graphical modeler: avoid overlapping module parameters PR #2991
• Show ModelRelation in white on dark mode PR #2997
• Add OSGeo4W workflow to compile Addons PR #912
• Integrate Grapical Modeler into single window layout PR #3003

Markus Neteler

• backport of "HTML header charset changed from ISO-8859-1 to UTF-8" PR #2547 to GRASS GIS 8.2.1 (fixing r.forcircular manual encoding bug)
• improve "Update alpine Docker tag to v3.18 PR #2953
• backport of Alpine Dockerfile improvements
• discussion about "location/mapset" vs "project/..." terminology
• initial QGIS-GRASS update discussion
• Google Photo album feeds
• Use of pre-commit (recommended to all devs!)
• GRASS GIS manual pages: re-styling and conversion of all pages to markdown:
  • convert to markdown with pandoc (draft script see https://app.gitter.im/#/room/#grassgis_sprint:gitter.im discussion)
  • using mkdocs (https://www.mkdocs.org/): it provides menus and a search window
  • check: automatic formatting for mkdocs: https://github.com/KyleKing/mdformat-mkdocs

Helmut Kudrnovsky

• discuss (win)GRASS-R issues initGrass Error and feature requests

• Review and initial tests of PR compilation with cmake on Windows

Ondřej Pešek

• gmodeler: add export to an actinia script: PR #3005
• fix GRASS GIS broken for Python 3.12: PR #3009, PR #3010, PR #3011

Floris Vanderhaeghe

• Explore reading straight from the GRASS database into R (https://github.com/rsbivand/rgrass/issues/75)
• Help arranging a meeting with Nyall Dawson for the QGIS GRASS interfase
• Participate in a two-hour meeting with Roger Bivand, Vero Andreo, Vaclav, Anna, Helmut, Micha, ..... about rgrass development

Vero Andreo

• Participated in the discussion about renaming locations to projects
• Call with Paulo on diverse topics, r.niche.similarity PR revision and merge
• Participated in a two-hour meeting with Roger, Floris, Vaclav, Anna, Helmut, Micha, ..... about rgrass development
• Worked on GRASS Website:
  • Apply fixes and merge the DOI and first draft of sponsoring tiers PRs
  • Beautify tables and content of sponsoring page #368
  • New menu and submenus (some reordered), please comment #369
• Other minor revisions