This post summarizes personal reports of community members who attended the 20^th Hackfest in Stone Town, Zanzibar the week before the FOSS4G in Dar Es Salaam.

Report from Matteo Ghetta

QGIS developers spent 3 days in the beautiful island of Zanzibar were they worked on bug fixing, improvement of new features and documentation enhancements. It is extremely important for developers to meet together and spend some days working side by side given that the geographical distribution is very wide.

Thanks to the (local government & Yves Barthelemy) we had the chance to visit the Land Mapping Commission in Stone Town: It has been an amazing experience for both developers and local council. Moreover developers visited the SUZA (University of Zanzibar) and saw the local infrastructure and GIS related workflow.

• I have merged many PR of the documentation
• Many old and not old issues have been closed or the author has been pinged
• Many new additions to the documentation both small corrections and new sections from scratch
• A new version of DataPlotly released
• A small presentation of DataPlotly to the QGIS crew

Report from Mario Baranzini

I spent one day of the Hackfest contributing to the SLYR project, improving the conversion of LAB colors. SLYR (https://github.com/nyalldawson/slyr) is a project started and almost entirely developed by Nyall (which was not present to the Hackfest) which aims to provide tools to extract and convert symbols from ESRI .lyr and .style files and use them in QGIS. Nyall has recently worked hard on the project and perhaps soon sponsorship will allow further development.

Around this theme there is a keen interest. Even during the FOSS4G there has been discussion of the conversion of ESRI symbols and there was also a presentation of how the conversion in Israel is currently managed.

During the rest of the hackfest, I worked on the implementation of the new QField file selector.

Report from Denis Rouzaud

Report from Tim Sutton

I have put various photos in the drive folder here: https://drive.google.com/open?id=1223mJQ3dP4D4XbaM1SkNTIYT1yFq9dJS 

Firstly let me thank the QGIS project for contributing to my travel and accommodation costs – I am most grateful for the support! This hackfest was special for me because it is the first hackfest in an African country. As an African born person living in the interface between “first world” and “third world”, I have always had a particular social agenda with QGIS: To bring spatial tools to support responsible and sustainable management of our world. There is a huge technological and skills divide between Europe and less developed societies where QGIS can be a valuable social enabler in helping to advance the standard of living and quality of life. Hosting a hackfest in an environment where we don’t have tree cadastres, street furniture cadastres and every aspect of civilian life mapped and systematised is an important way to build empathy and understanding in our QGIS core community members for a broader cross-section of our user base. Having the opportunity to meet with users from ZMI (the Zanzibar Mapping Initiative) and students from the local university was a really uplifting experience. ZMI are building the national cadastre from the ground up using QGIS, PostGIS and UAV mapping. We were privileged to have a number of Zanzibar residents join us on the hackfest and get to experience just how appreciative they are, first hand.

There were a number of interesting topics that arose during the hackfest which I will try to summarise here:

Certification:

We held an extended meeting on the QGIS Certification Programme, mainly detailing how we should go about the review process for onboarding new organisations.

Mac OS Build:

I spent quite a bit of time struggling with my MacOS build on QGIS. It’s definitely an area of the project that needs more work as the process can be non-trivial and the brew based formulas quickly become outdated.

QField Show and Tell:

Matthias showed off the latest version of QField and all the hard work they have been putting into the QGIS mobile client. This Android based version of QGIS for mobile data gathering is a really great project and is getting more and more useful with each release. There was also a translation sprint for QField during which I translated it to Afrikaans.

QField Autobuilds:

Denis and Matthias showed off the work they have done to automate the .apk builds for QField. Their system combines Travis and some git hooks to automatically build .APK’s whenever a pull request os made or a tag is made. See the QField travis for details: https://github.com/opengisch/QField/blob/master/.travis.yml

Plotly plugin:

Matteo Ghetta showed off the latest capabilities of the Data Plotly plugin for QGIS 3. The plugin supports the creation of a wide assortment of charts from your layer’s attribute data. See the plugin homepage here for examples and more detail: https://github.com/ghtmtt/DataPlotly 

Governance:

I took the opportunity to sign off the statute changes from 2017 general meeting. This was my last official act as outgoing project Chair. I was also extremely humbled to be awarded an Honorary PSC membership during the FOSS4G2018 conference.

Easter Eggs:

I contributed a couple of new easter eggs to QGIS. While easter eggs are fun, the data behind these hidden tools provide an important history of the project. I took the opportunity of having many long-time QGIS community members around the dinner table to collate all the previous QGIS meet-up dates. You can view this as a map here: https://github.com/qgis/QGIS/blob/master/resources/data/qgis-hackfests.json 

The spatial clustering of these events shows that going to Zanzibar and getting out of our geographical comfort zone is a really useful endeavour.

Report from Paolo Cavallini

During the HF in Zanzibar I mainly worked on:

• Plugins: I cleaned up the queue of unapproved plugins, contacting all individual authors, fixing what was possible and deprecating the worst cases; we also solved a long standing issue with a contentious plugin
• Issues: I examined many tickets, especially those waiting for feedback
• Training certification: through a very productive meeting we defined clear rules for accepting certifying organizations, with the main aim of driving people to actively support the project:
  • in the application process, the proponent should explain what are his contribution to QGIS project
  • following an initial review, the application will be sent to local QGIS groups for their opinion, which should take place in less than one monthly; where there is no user group, the responsibility will fall entirely on PSC shoulders
  • the training material for each course should be released with a free license, and a review will be done; if the material is not of adequate quality, this is a cause for refusal
  • then PSC will take a decision and publish the contributions as stated by the proponent, for transparency
• Other meetings helped focusing on our mission, defining the relationship between volunteer and paid work, and other
• I visited the Land Mapping Commission and the University, soliciting a tighter cooperation with QGIS project.

Report from Admire Nyakudya

During the heck fest in Zanzibar, I mainly worked on porting some common plugin we use to QGIS 3. The plugins I mainly worked on were Cogo Parcel plugin and Sg Diagram downloader. We visited the Zanzibar mapping agency and interacted with the people who were working on capturing cadastral data using QGIS and explained them about the COGO Parcel plugin which streamlines capturing cadastral boundaries in QGIS and storing the results in a PostgreSQL database. To summarise the work I was working on during the heck fest.

• Port Cogo Plugin from QGIS 2 to make it compatible with QGIS 3. This has been achieved and now awaiting one of my team members to approve the pull request.
• Expand functionality being offered by the COGO Parcel plugin to include the new reporting framework in QGIS 3.
• Investigate ways to generate projects on the fly after talking to Matteo and seeing the work he has done with QGIS project generator.

I also went to the Zanzibar university to see ways in which QGIS is being used in the local university and how students are integrating drone imagery with QGIS.

Report from Matthias Kuhn

The highest value of hackfests is actually to meet and greet and discuss ideas and bigger plans. There is a lot of communication on a high bandwidth channel (also known as face-to-face) that strengthens the community. This helps to quickly overcome technical problems sometimes. Or to give someone some tips and tricks you normally wouldn’t come to (e.g. optimizing a git workflow) that results in a long-term gain because of sustainable productivity improvements. I tend to walk around once in a while and just randomly bump into people where I – more or less successfully – try to help them solve their issues or discuss approaches. In the same area, there is the possibility to informally discuss plans about organization, workflows and strategies. The concept of an LTR was to a big degree discussed and built at a hackfest in Essen some years ago. This year there was a very interesting discussion about the topic LTR. For how much time the “long” in the term “long term release” should stand, about the life cycle of releases and of long-term releases. One of the important things when it comes to this question is what organisations think and do – because, in the end, it is mostly for organisations that the LTR exists – and how development resources can be assigned to the task of keeping a high quality of an LTR during its whole lifetime. There are no conclusions yet, but synchronizing on these ideas is often the seed for tomorrow’s exciting changes.

We were also visited by a group of students from the local university. It was really refreshing to talk to them about open source and QGIS and how we work and what the challenges of spatial data and GIS infrastructure are on an island like Zanzibar.

Feature-wise, the main thing I worked on feature wise was a new snap to grid functionality that is available for digitizing tools. It allows configuring a precision for vector layers. Whenever a new node is added or an existing one is edited on this vector layer, it will be automatically placed on this grid. Normally this is used to force the objects on a layer to something like cm or mm resolution.

And then, of course, I did my daily bunch of (mostly volunteer) pull request reviewing, some code cleanup and some bugfixes.

Report from Marco Bernasocchi

https://photos.app.goo.gl/seX2kSJ9vKxKBZt58

The Zanzibar hackfest was a special one for me, my first hackfest as QGIS.org co-chair. My main goal was definitely to get as much information out of Tim as possible so that I wouldn’t have to keep on bugging him all time ?

Beside that, multiple meetings where planned to which I took part, as Paolo already explained, we had very good meetings about:

• Certifications meeting
• Trademark discussion
• Creating a membership system that allows entities that are not allowed to budget sponsoring money to instead become paying members.
• Other meetings helped focusing on our mission, defining the relationship between volunteer and paid work, and other

On the first two days, we were joined by a largish group of local students to whom I explained how the structure of QGIS.org works and where they could help. I also helped them choosing a task to work and mentored them.

As I mentioned before, I spent a lot of time asking a lot of questions to Tim to get the biggest possible knowledge transfer about running QGIS.org and some time choosing and booking restaurants for our evening “meetings”

On the technical side, I worked with Mario on a new implementation of the QField File selector.

After everybody left, the OPENGIS.ch team stayed one day longer and introduced Mario to the real Brighton-style hackfest with take-away pizza ?

 

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