Chaos Communication Congress/36C3

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36C3 or Chaos Communication Congress 2019 took place 27th–30th December 2019 in Leipzig.


OpenStreetMap basics.


  • Print an OSM sail
  • Map printer (A1)
  • Live edits screeen
  • Humanitarian corner

Who Brings What

Wired network is the most reliable network access at the Congress. Please mind to bring a patchcable and, if your device lacks an RJ45 port, a suitable adapter.

What Who
Large Printer (A1) Hartmut
Extension cords Hartmut (1x short, 1x 15m), MichaelK (1-2x short)
Small ethernet switch Hartmut (1x), MichaelK (1x)
8-port switch D-Link DGS-108 (inkl. Netzteil, 1 Patchkabel für Uplink) Nakaner
Donation box Hartmut
Demo laptop Hartmut
Big demo screens Hartmut - klappt nicht da Transportkarton verschwunden (wenn sich nichts findet dann schaue ich am Dienstag früh bei Saturn nach was bezahlbarem, könnte meinen 4:3 17zöller Zweitmonitor daheim eh mal gegen was aktuelleres austauschen)
OSM Puzzle Hartmut
Flyers de/en Nakaner
Stickers Nakaner
Printed maps Nakaner, Marc, Hartmut
Tablet + Stand for Demos
Projector / Beamer (möglichst klein, soll an Holzstange befestigt werden von gegenüberliegenden Tisch und das OSM Logo auf ein Stück Stoff des OSM Assembly projizieren.) Hartmut (720P, ca. 24x16x8cm, ca. 1.5kg)
Raspi, Netzteil, HDMI Kabel Hartmut

Who Is Coming

Wenn du kommen möchtest, aber kein Ticket hast, erst mal eintragen. Wir versuchen, für jeden ein Vouchercode zu bekommen.

  • Marc 25.-30.12, Germany (Ticket vorhanden)
  • nw520, 26.-30.12, Germany (Ticket vorhanden)
  • xamanu, 26.-30.12, Germany (Ticket vorhanden)
  • Christopher, (26.)27.-30.12, Germany (Ticket vorhanden)
  • Dorothea, 26.-30.12, Greece (Ticket vorhanden)
  • Datendelphin (talk), 26.-31.12, Switzerland (Ticket vorhanden)
  • MichaelK, 26.-31.12, Germany (Ticket vorhanden)
  • Mstock, 25.12.-03.01., Switzerland (Ticket vorhanden)
  • Oliver, 26.-30.12, Germany (Ticket vorhanden)
  • Tirkon, 26.-30.12, Germany (Ticket vorhanden)
  • Nakaner, 26.–31.12., Germany (Ticket vorhanden)
  • Hartmut, 27.-30.12, Germany (Ticket vorhanden)
  • Moritzm (talk), 26.-30.12, Germany (Ticket vorhanden)
  • Ulf , 27.-30.12, Germany (Ticket vorhanden)
  • Poergi 26. - 30.12.19, (benötige Ticket)
  • TeXnicer, 26.-30.12, Germany (Ticket vorhanden) – neu bei OSM no mail. no plan.


We do not have a lot of photos due to the very restrictive photographing guidelines at the Congress. However, a few photos were taken when nearly nobody was present at the assembly.

OpenStreetMap at Open Infrastructure Orbit 03.jpg OpenStreetMap at Open Infrastructure Orbit 02.jpg OpenStreetMap at Open Infrastructure Orbit.jpg OpenStreetMap at Open Infrastructure Orbit at 36C3 01.jpg OpenStreetMap at Open Infrastructure Orbit at 36C3 02.jpg OpenStreetMap at Open Infrastructure Orbit at 36C3 03.jpg OpenStreetMap at Open Infrastructure Orbit at 36C3 04.jpg OpenStreetMap at Open Infrastructure Orbit at 36C3 05.jpg OpenStreetMap at Open Infrastructure Orbit at 36C3 06.jpg



The OSM mapping workshop on day 3 had far more people interested in it than we could teach OSM because the workshop took place at the table of our assembly. Next year, we should use a dedicated workshop place where it is not that loud (i.e. the Open Infrastructure Orbit Workshop Dome) and more people can participate. --Nakaner (talk) 11:01, 31 December 2019 (UTC)

Or even use one of the dedicated self organized session rooms in CCL or Messehaus, at least some of them also have tables and a projector available, and it's certainly even more quiet. --Mstock (talk) 12:09, 3 January 2020 (UTC)

Depending on how many experienced mappers we are, we could also hold more than one workshop and announce them in the official Fahrplan. Maybe even specialise on different topics (that's probably going too far though) or hold them in different languages. --Mstock (talk) 12:09, 3 January 2020 (UTC)

It might be better to have an english slide deck for the presentation/workshop. --Mstock (talk) 12:09, 3 January 2020 (UTC)

There's a fundus for Presentations here in the OSM Wiki which might provide a good starting point for (english) slides. --Nw520 (talk) 11:47, 14 March 2020 (UTC)
  • A little bit disappointing was the network during congress and especially during the workshop. Maybe nothing we can do about.
  • Feedback was good, at least 3 people liked the "ID first steps" function.
  • Wide range of questions and use cases. (routing, apps, extracts, gpx traces)
  • there is still need for OSM newcomer as well as more advanced topics
  • a room (or again the boat) can hold the hands on workshop
  • better and earlier preparation (wiki page, info beamer slide)

Gislars (talk) 14:18, 5 January 2020 (UTC)

Presentation by HSBE

On day 2 there was a presentation on OSM and OsmAnd by HSBE. This was also met with great interest while having too little space. --Nw520 (talk) 15:06, 1 January 2020 (UTC)

maybe we can check before and coordinate with other OSM workshops/events Gislars (talk) 14:18, 5 January 2020 (UTC)

Be present on the OIO stage

We should submit one or two talks for the OIO stage. The general introduction part of a workshop can also happen there. --Nakaner (talk) 11:01, 31 December 2019 (UTC)

I like that, if it gets recorded we can reuse the video for other events Gislars (talk) 14:18, 5 January 2020 (UTC)


After giving about one third of our stickers to the Sticker Operation Centre at the morning of day 1, we had almost exactly the number of stickers we needed. --Nakaner (talk) 11:01, 31 December 2019 (UTC)


We received € 202,20 of donations. Most of them (€ 175) was donated on day 1 when the printer was working properly. --Nakaner (talk) 11:01, 31 December 2019 (UTC)

Printing maps

That people can print their own maps is a huge attraction IMO. I really would like to discuss ideas where we could get a printer. My idea is to find a sponsor (printer manufacturer?) to have a device long term (1-2 years?). We (as in OSM/FOSSGIS) would take care of the transportation and we would be able to print on more events. Hartmut is putting lots of efforts in his device and service, I really appreciate it. Let us brain storm about how we can enhance it. Gislars (talk) 14:18, 5 January 2020 (UTC)

Hartmut suggested already on the congress to buy a printer and a flightcase by Fossgis and pay the money back by the donations. Possibly Fossgis could buy a larger monitor or beamer as well. All this and other stuff i.e. stickers and flyers could be packed into a "tradefair"-flightcase and thus sent to every place where a Fossgis or OSM assembly/booth is placed. As we know this works for the sensitive video equipment of the Chaos Computer Club used at the Fossgis conference as well. -- Tirkon (talk) 08:16, 10 January 2020 (UTC)


Maybe bring a bigger screen and a current Raspi or similar for something like show-me-the-way (the laptop from this year was certainly fine, but having a bigger screen is nearly always better), and if we get a boat again, a VESA mount to screw it to the mast above the InfoBeamer screen. --Mstock (talk) 12:33, 3 January 2020 (UTC)

If we get a boat again, bring a beamer and some white paper or silver screen to put on the 'box' at the back of the boat and use this as a projection surface. This might be useful as a fallback in case we have to hold the workshop at our assembly again or at least during the practical part of the workshop if we hold it on some nearby stage. --Mstock (talk) 12:33, 3 January 2020 (UTC)

I agree. Our eyecatcher was tooooo small. More people like the year before visited our assembly. But this was still far away from the success two years ago. A large rectangular sail (instead of triangular one on the photo) attached between the two big masts of the ship could be a projection surface for the beamer that perfectly catches the angle of passing people's eyes. Watching the passing people nobody payed attention to thinks like "FOSSGIS" or "SOTM" on the screen. Of course we as insiders know what it is. But other people ...? The only real eyecatcher was "Show me the way", which was hacked and optimized by Mstock and thus ran smoothly for 24 hours ... until a person called "Simon Poole" was catched editing OSM. :-) -- Tirkon (talk) 07:46, 10 January 2020 (UTC)

I generally liked the location in the OIO and the ship, and having the cuboid next to the ship where we could setup the printer and put some large, printed maps was also very nice. We should also definitely put up the 'spinnaker sail' with the logo and the banner again the next time. Maybe we could also put some printed OSM logos on the provided sail, using eg. fixing pins (or look for an assembly with an embroidery machine and see if they can create something for us that we can put on the sail ;)) --Mstock (talk) 13:34, 5 January 2020 (UTC)

The waste bin at the front of the ship certainly has its uses, but is probably not ideal if one wants to put up stickers, flyers or similar stuff. --Mstock (talk) 13:34, 5 January 2020 (UTC)

The assembly was named "OSM" instead of "OpenStreetMap" in C3nav. Many of the visitors don't know this abbreviation. -- Tirkon (talk) 07:46, 10 January 2020 (UTC)

The spot on the OpenStreetMap sail was good. Maybe another spot shining on the printer-cuboid could attract more people. -- Tirkon (talk) 07:46, 10 January 2020 (UTC)