Report of mapping party + custom scripts

Posted by Binnette on 8 November 2023 in English (English). Last updated on 11 November 2023.

Greetings to all OSM contributors, I have finally found some time to share my mapping party report. I wrote it in English and French. This mapping party was held in France near Grenoble, in a village called Saint-Barthélemy-de-Séchilienne. There were 8 of us who participated in this mapping event.


For the report, I wrote some scripts: a bash script that uses the osmosis command to extract the following metrics like : number of roads, tracks, roads with names, alleys, shops, libraries, buildings, …, see the full list in the report.

The idea of this script was to download the data of the city/village before the mapping party and run the script on the resulting osm file. Then, do the same after the mapping party to see how many objects were added. Info about my script can be found here

I also created a custom Jekyll theme with OSM POI icons in the background to make the report look nice. Jekyll theme background

If you read the report, you saw that I added some before/after gifs. I actually made a lot more of them. And to make my life easier, I wrote two python scripts. One to download the single before and after pngs. And another one to merge the two pngs into an animated gif.

Compare gif

Please let me know in the comments if you have any suggestions to improve my report or if you want to share a link to your own mapping party reports.

Have a nice day

Again the links to the report:

Comment from gregorywpower on 11 November 2023 at 19:12

This is really excellent work!

Comment from Binnette on 11 November 2023 at 20:48

Thank you @gregorywpower 😇👍️

Comment from Koreller on 19 November 2023 at 15:05

Waouh, super travail, c’est trop bien ! En plus, j’adore les GIF avant/après, on y voit une bonne part des ajouts !

Par ailleurs, est-ce que vous avez pensé – pour certaines des photos prises, surtout celles du patrimoine local – à les mettre sur Wikimedia Commons ? (la catégorie sur ville est assez pauvre en photo…)

Félicitation encore pour le travail abattu !

Comment from Binnette on 20 November 2023 at 22:21

Salut Koreller, merci pour tes compliments 😇👍️ Au sujet des photos, je pourrais effectivement uploader certaines de mes photos sur commons. Dans notre groupe de contributeur nous avons également un wikipédia équipé d’un bon appareil photo, je pense qu’il ajoutera ces photos quand il aura le temps.

Bonne journée et bonnes contributions

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