Recent diary entries
OSM SHANTOU PROJECT
Greeting to all OSM editors,
As (former) local citizen of Shantou city I've recently begun to edit the Shantou Area OSM (Wikipedia of Shantou: https://en.wikipedia.org/wiki/Shantou). The project is not, however, limited to Shantou municipal area. Several modifications of mine were located in Jieyang and Chaozhou (the Chaoshan Intl. Airport and Chaoshan Railway Station as well as their proximity areas).
So far I've completed some blocks of the center city area of Shantou, particularly those around big commercial center, schools and some hospitals. The airport and railway stations are also completed from my point of view.
Since I've lived in the center city, the local knowledge serves well.
Generally there are already some works done at Shantou area: most of the main streets and highways, the coastline. I believe that there were some OSM editors who had already made some contributions (probably students of Shantou University since there is a well structured STU area on OSM now).
The project consists rougly of:
- The center of the Shantou City (Jinping* and Longhu Districts): buildings, neighbourhoods, local streets and alleys, etc. which is relatively easy for me to complete.
- The rural area (Chenhai, Haojiang, Chaoyang, Chaonan Districts, of which I don't possess enough local knowledge for these areas).
- The island Nao'ao County: I've made some modifications about the landscapes and added some buildings but it's far from done.
The project can be expanded to a Grand Chaoshan Area Project if local editors of Chaozhou and Jieyang City join in.
- It would be very interesting if the historical area of Jinping District (老市区), especially the area of Sun Yet-Sen Memorial Pavilion (小公园纪念亭) be completed by marking all historical buildings. It would be useful for the memorial protection work (actually some NGO in Shantou has done some remarkable works, ex. 汕头山水社).
#Premium DigitalGlobe imagery
With Premium DigitalGlobe imagery at 100m you can see buildings and it is not comfortable to edit them at this zoom level being too small but the height when you zoom out 50m the buildings disappear. As I use JOSM frequently, I tried ID editor and it's the same thing. That's weird. photo 1 zoom at 100 m photo 2 zoom at 50 m
It is with great pleasure that I announce the launch of the 3D Model Repository, available at https://3dmr.eu!
The main aim of the project is to enable a better 3D rendering of OSM data, placing 3D models at everything from landmarks, such as the Eiffel Tower, to benches on the street.
Starting off from my Google Summer of Code project, over the past few months, along with my mentors, Jan and Tobias, I have been working hard on setting up the infrastructure required for the launch, namely a web server and the domain, which have been warmly provided by FOSSGIS. Along with this, some new features and bugfixes were added to the repository, including a PR by dkiselev. Finally, the last few miscellaneous issues before the launch have been resolved, and a few sample models were added to the repository.
On the renderer side, -karlos- has been making great progress with OSM go, having provided us with an easy way to show off the features of the repository. An example rendering can be seen here or in the picture below.
Contributions are always welcome, in any form! There's several ways to contribute to the repository, such as modelling or developing. If you know how to use Blender or Google SketchUp, you can get started right away modelling features of your town, consult the wiki for more information. Otherwise, if you'd rather develop, you can implement the repository in a 3D renderer (more information available on the wiki and the API documentation), or add new features to the repository itself (a Gitlab repository is available). Other than that, if you have any other idea, make sure to get in contact.
Hope to see your additions!
Điện thoại Bình Trang Bạc Liêu
I am testing "taginfo" instances:
- "Taginfo is a system for finding and aggregating information about OSM tags and making it browsable and searchable. It was created by Jochen Topf." link
You can reach my testing site here for the next 2 weeks( after I will shut down )
- Africa: every country - daily refresh
- Central-America: every country - daily refresh
- Antarctica: daily refresh
- other (Asia ,Antartica and Oceania, Europe, North-America, South-America, Russia )
- just some examples ... - no refresh .
About ~ 120 testing areas, some examples:
- Berlin: http://eu-de-be.taginfo-dev.opengeodata.hu/
- California: http://na-us-ca.taginfo-dev.opengeodata.hu/
- Istanbul http://eu-tr-34.taginfo-dev.opengeodata.hu/
- Burkina Faso : http://af-bf.taginfo-dev.opengeodata.hu/
- Costa Rica : http://ca-cr.taginfo-dev.opengeodata.hu/
- Cuba: http://ca-cu.taginfo-dev.opengeodata.hu/
- Haiti: http://ca-ht.taginfo-dev.opengeodata.hu/
- Kenya: http://af-ke.taginfo-dev.opengeodata.hu/
- Madagascar: http://af-mg.taginfo-dev.opengeodata.hu/
- Mali : http://af-ml.taginfo-dev.opengeodata.hu/
- Nicaragua : http://ca-ni.taginfo-dev.opengeodata.hu/
- Sri Lanka : http://as-lk.taginfo-dev.opengeodata.hu/
- Tanzania: http://af-tz.taginfo-dev.opengeodata.hu/
I am also looking hosting/dev sponsors - if it is useful.
After 2 weeks - you can reach the latest info in the source code repo : https://github.com/taginfo/dockerized-taginfo
Witam, to mój pierwszy wpis testowy. Zobaczymy co z tego wyjdzie :)
Un changement de dernière minute ayant libéré mes deux premières semaines de mars, j’ai donné du samedi 10 au mardi 13 une formation de 4 jours à destination des mappers les plus avancés de la communauté OSM SN dakaroise, dans le cadre d’une action bénévole organisée et soutenue par l’association Les Libres Géographes dont je suis l’un des membres fondateurs. Les deux premières journées ont eu lieu au CEDT-G15, les deux dernières à l’IRD de Hann Maristes, deux structures qui font partie des lieux qui accueillent volontiers des activités OSM, ce dont nous les remercions tous chaleureusement.
La formation comportait deux dimensions, techniques et organisationnelles, qui ont été abordées en alternance sur les 4 jours, avec des reprises d’un jour à l’autre par l’un des participants, afin de favoriser l’assimilation et au besoin de pouvoir revenir sur un point.
La dimension technique de l’atelier
L’un des principaux objectifs de cet atelier de formation était de donner les moyens aux participants de produire une donnée OSM de meilleure qualité. Un premier axe de travail a consisté à simplement perfectionner leur œil de cartographe, afin qu’ils soient capables de :
- repérer de suite ce qui est suspect dans la donnée existante, comme la taille et la forme des bâtiments ou les vides dans un quartier urbain pourtant dense
- analyser un paysage urbain et le reproduire le mieux possible sur la carte, notamment lorsqu’il est très organisé (alignements, lotissements réguliers, etc.), ce dont ne rend pas compte une cartographie incomplète de bâtiments peu précis, même si dessinés avec le greffon building_tool, ou la juxtaposition de « boites à chaussures » sans détails, peu appréciées du groupe de travail Data de la Fondation OSM
Nous avons passé du temps sur des outils essentiels de qualité, souvent trop peu utilisés, pour vraiment se les approprier : le validateur de JOSM (pas seulement sur ses propres éditions, mais sur l’ensemble de sa zone de travail) et Osmose, toujours sur des zones de travail connues et parcourues au quotidien. Chacun a pu mettre tous ces aspects en pratique dans son quartier de résidence et y améliorer grandement la carte OSM.
De longs moments ont également été consacrés à la bonne utilisation des différentes imageries disponibles sur Dakar : Bing, ESRI World Imagery et Pleiades 2017. Nous avons vu comment déterminer la date de capture si celle-ci n’est pas connue, comment gérer les décalages de géoréférencement, les devers plus ou moins prononcés, quels attributs pour renseigner sur la source ou la période de construction. La récupération de l’URL de l’imagerie Pleaides disponible depuis l’IDS Francophone Libre (et bientôt directement depuis JOSM) a fourni l’occasion d’aborder les Infrastructures de Données Spatiales et découvrir geOrchestra.
Une session de découverte d’Overpass a permis aux participants de découvrir ou redécouvrir ce requêteur/extracteur en ligne de la donnée OSM, et son adaptation dans QGIS avec QuickOSM. J’ai montré comment il peut notamment servir à suivre les évolutions d’une cartographie de terrain, comme par exemple celle de Sunu Gox, et constituer ainsi un outil qui contribue également à la qualité et la complétude de la donnée.
Des applications Android récentes, utiles tant pour le formateur que le cartographe ont aussi été abordées :
- AirDroid pour projeter l’écran de son smartphone lors d’une formation sur une application mobile,
- StreetComplete (sur le terrain lors d’un retour de déjeuner) pour cartographier le nom, la surface, la limite de vitesse et l’éclairage des rues
- Mapillary, déjà connue mais qui bénéficie désormais d’un chapitre dans le « Guide de la Géomatique Libre et de la donnée ouverte ». Nous avons vus la prise de vue en mode automatique basée sur la distance depuis un véhicule et la visée de biais que j’avais testée avec succès il y a quelques semaines. J’ai saisi l’occasion de faire un don d’un pod qui m’avait été transmis par Mapillary à Moussa Diouf, qui l’utilisera dans les véhicules de la mairie de Rufisque.
La dimension organisationnelle de l’atelier
Le camp a été l’occasion de présenter à nouveau l’action et l’approche des Libres Géographes depuis 2012 en termes de construction de capacités OSM locales : si un renforcement technique est bien sûr indispensable, il doit également s’accompagner d’un renforcement organisationnel au sens large. Dans le peu de temps que nous avions, l’aspect organisationnel a surtout porté sur deux axes.
Le premier a consisté à présenter l’écosystème OSM, qu’il soit mondial, régional ou local, la manière dont s’articulent collectifs informels, associations nationales, transnationales comme Projet Espace OSM Francophone et opérateurs économiques. Un temps conséquent a été consacré à la Fondation OSM, souvent méconnue (en partie dû au fait que sa documentation et ses échanges sont faits en anglais) : son organisation, son rôle, ses groupes de travail, et ses actions et fait ensemble une revue commentée des dernières minutes de la réunion mensuelle de son bureau bénévole (qui a lieu en phonie sur Mumble et est ouverte au public). Présentations et échanges ont abordé également les State Of The Map monde, régionaux (SOTM Africa ou SOTMBF 2015) ou locaux. Les aspects légaux d’OSM ont aussi été discutés à travers la page wiki de FAQ qui leurs sont consacrés. Sur les questions de tags OSM manquants dans le contexte africain, j’ai encouragé à s’abonner et participer à la nouvelle liste francophone tagging-fr qui est justement conçue pour cela. En tant que deuxième plus gros contributeur depuis 6 mois aux traductions en français de HebdoOSM (que la plupart des présents lisent régulièrement), j’ai également montré comment fonctionnait la contribution volontaire à ce projet communautaire indépendant de la Fondation OSM.
Le deuxième axe organisationnel a été centré sur la présentation et la discussion des "Communs organisationnels" en partie forgés au Sénégal en 2014 avec le concours de l’OIF. Ils regroupent différents documents génériques d’appui à la structuration associative et coopérative de communautés en cartographie numérique libre (OSM) dans une perspective d’économie sociale et solidaire : modèles de note de projet, de budget, de rapports technique et financier, ainsi que des documents de support présentant les structures OSM existantes, une typologie d'usages économiques d’OSM, une offre technique bâtie sur OSM couplée à un guide pour la mise en œuvre d’activités OSM ainsi que des conseils de communication. Certains de ces documents ont été passés en revue, là encore sur deux jours, pour revenir sur l’assimilation de la veille et aborder de nouvelles questions.
J’aurais souhaité qu’il y ait un peu plus de participants, mais les présent-e-s étaient particulièrement motivé-e-s, ce qui est le plus important. La formation s’est déroulée dans une ambiance à la fois studieuse et chaleureuse (nous avons partagé aussi de bons moments à l’heure du déjeuner autour d’un thiep, d’un C’est bon ou d’une soupou kandja !) et chacun a pu présenter son parcours passé et actuel dans OSM.
J’ai notamment été impressionné et heureux de savoir que Moussa Diouf, responsable de la gestion de déchets à Rufisque, qui planifie depuis longtemps ce travail à l’aide d’OSM, a engagé un ancien élève du BTS géomatique qui réalise désormais des cartes de belle facture avec la donnée OSM, et promeut en interne une cartographie complète de la commune ; ou qu’Alpha Diallo, ancien du G15 également, a publié sur OSM plus de 900 POI sur la commune de Biscuiterie, issus de son projet intégrateur de fin de BTS. Je suis convaincu que le temps passé ensemble aura renforcé toutes les personnes présents dans leurs activités liées à OSM, et qu’elles sauront retransmettre ces éléments techniques et organisationnels au sein de la communauté OSM Sénégal.
Wikimania 2018 is happening in Cape Town, South Africa on July 18-22, 2018, it's the annual international conference that celebrates Wikipedia and its sister free knowledge projects.
The previous year, Montréal, Canada, was the host of this conference. The OSM community in Montréal had set up a booth and did an amazing work of introducing people to the OSM project. It also became a great place for answering questions related to OSM as well as explore more ways to collaborate with different Wiki projects.
There were some interesting sessions related to OpenStreetMap in the previous Wikimania:
- Workshop - Mapathon! Contribute and connect OpenStreetMap and Wikipedia using Wikidata
- OpenStreetMap project and how to get involved
- OpenStreetMap loves Wikipedia
The last date for submitting proposals for talks/sessions/workshops was 18th March but the community can still attend and give a lightning talk and/or organise a Birds of the Feather (BoF) session.
It’ll be great if the South Africa/Cape Town OSM communities would want to do something along these lines. OpenStreetMap and Wikipedia communities have a lot in common, let's meet, collaborate and make the most of this opportunity!✨
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First, thank you all for improving the mapping of subway networks all around the world! In just half a year, we made more than 150 networks routable, of 180 total. That is very impressive. Today, OpenStreetMap has more data on subways than any other source, open or proprietary.
Last week, I have made a few improvements to the validator. The major one is a change to how stations are counted. We had an issue of transfer stations: for some cities they were counted once, for other — twice, depending on how they are mapped. This simplified calculating a projected total number of stations (just copy it from wikipedia), but affected mapping.
Now, thanks to disc12, it sums up numbers of stations for each line. This is more predictable and allows for different interchange mapping styles. In the spreadsheet, counts of stations have been mostly updated in form of a formula: =line1+line2+...+lineN. You can clearly see how many stations it expects for each subway line. If you find an error there, add a comment and I'll update the number.
Having trouble with missing or extra stations? Click on "Y" near the city name, and you'll get a YAML file with all stations, transfers and lines. What's new is a number of stations for each line (calculated as a number of unique stations for all its itineraries), along with a list of stations. Comparing it to wikipedia is much easier.
There are some improvements planned still. For example, handling of stations under construction: you cannot add these to routes at the moment, or you'll get an error. And there is a "nowhere near the tracks" error that is hard to track — I really should do something with it. And the preprocessor calls for a GTFS output.
Thanks for mapping, now let's finish the last cities and then monitor the world for new subway and light rail stations. If you are an app developer, please consider using the validator output for your app. Contact me if you have any questions.
Although Ubuntu 18.04 ("Bionic Beaver") isn't released yet, it's due out fairly soon and daily builds can be downloaded from here. There are actually very few changes from the 16.04 version - mostly just updated versions of software (including some Mapnik fixes). Following these instructions shouldn't take more than a couple of hours for small areas - the longest period of the setup is waiting for the shapefiles used by the style to download.
As before, the page is designed to be "the least you need to do" to get a rendering server working. As before I also wrote a wiki page which goes into a bit more detail, including other things that you might want to do.
It's also worth mentioning than there are many more resources available now than there were a couple of years ago - see for example Ircama's tutorials, and also this guide that covers the setup of an OSM Carto renderer within Docker.
Visited Grahame Park estate in Colindale on Saturday 17 March for an in-depth survey of the revised road and building layout. Further research of the development plan for the area indicates that there will be a lot more substantial changes in the coming months, however, the following has been done.
New road added: Bristol Avenue
Changes to following roads: Lanacre Avenue; Hazel Close, Five Acre; Hundred Acre; Cherry Close; Lower Strand; Percival Avenue; Valentina Avenue
Removal of following roads: Belvedere Strand; Further Acre, which no longer exist. Removal of associated footpaths and meadows which have changed too.
Addition of new Points: Barnet Southgate College, Colindale Library and adjustment of former Grahame Park library to a Hindu temple.
New residential buildings added and a small number of buildings removed.
Movement of bus stops from previous locations and alignment of bus routes to the new layout.
Other small-scale editing took place in the Golders Green, Edgware, Hendon and Borehamwood areas, mainly changes to building names
The beta release of 10.2 that is now available in the beta channel on the google play store, or from the releases on github does not change an awful lot that is end user visible outside of a new upload UI, however there are two core changes that I want to touch on quickly.
Support for "network" location providers
Historically Vespucci has only supported using the on-device GPS location provider, or nothing at all. That meant that you were unable to get a rough location approximation on devices that didn't have onboard GPS, or that had GPS disabled for example to reduce power requirements. The main reason for this is that on the one hand we wanted to avoid location information potentially tainted by your devices Android provider and avoid our users position being tracked by them.
We now support using so-called "network" location providers, that is location sources that derive your position from the mobile network, WLAN and other signals your device is receiving. If you've enabled such providers on your phone, more on that later, Vespucci will use all available providers for centering the map display on your position and for auto-downloads, tracks will still exclusively be generated from GPS data.
The change in opinion is mainly due to less and less people caring about such matters and at least google tracking in any case (see for example https://www.theverge.com/2017/11/21/16684818/google-location-tracking-cell-tower-data-android-os-firebase-privacy), further allowing such providers enables better indoor positioning which is a clear advantage.
If Vespucci detects that network positions can at least potentially be used, it will display this icon instead of the classic GPS icon on the screen and will alert you to which provider it is currently using via toasts (the short on-screen messages).
Modern devices running a google variant of Android have three location mode setting (besides turning location services completely off):
- Device only - use only the on device GPS location information, does not require sharing your location data with google
- Battery saving - doesn't use GPS, instead uses mobile network, WLAN and other signals to determine your location, requires sharing of your location data with google
- High accuracy - uses GPS and other signals to determine your location, requires sharing of your location data with google, this is typically only more "accurate" than Device only if receiving GPS signals is seriously impaired
Vespucci does not use the Google play servers "fused" location service and remains usable independent of if you are running it in a Google sanctioned environment or not.
Better https support
Given the push for more and more services on the Internet to be accessible only via encrypted transport (https) Android apps are faced with two challenges:
- the standard Java API for accessing http services does not support protocol level redirects, that is http to https or the other way around this is not difficult to work around but would still require codes changes at every impacted place in the code
- more and more sites are turning off TLS 1.0 support for security reasons, unluckily TLS 1.1 and 1.2 are only supported from Android 4.1 on and are only enabled by default since 4.4, again addressing this requires touching all the same code as above
In the end I decided to address these issues by migrating all the networking code to OkHttp that we've already been using for some things, for example for map tile retrieval since 10.1. As OkHttp exposes a different programming model and it didn't require massive changes, it wasn't a drop in replacement and we appreciate all feedback on the changes as some aspects of the networking code are difficult to test automatically.
- yes this means that users with devices running Android 4.0 and older are not able to access any services that have turned off TLS 1.0, for example you will not be able to update the imagery configuration on the fly from github.
- modern Android versions actually use OkHttp under the hood wrapped in code that emulates the standard Java API, so we are not doing anything particularly exotic.
I finally got around to adding statues in Ylham Park between Gorogly and Azady streets. The Mapillary imagery is available for those interested in seeing what the statues look like.
Ann and I spent a chunk of this weekend collecting street names and GPS traces of unmapped streets in Bagyr and Yanbash, former villages (and before that, Soviet collective farm villages) that are now formally neighborhoods of the city of Ashgabat since being annexed. It had rained, and some of the streets were muddy enough we had to use four-wheel-drive! Over the two days we shot over 3,000 Mapillary images while searching for street signs and marking mosques, schools, and other POIs on the GPS. The GPS traces are public so anybody has access to them.
With these two neighborhoods largely done, we have completed base mapping of all neighborhoods of the greater Ashgabat metropolitan area, i.e., everything inside the new city limits. Much remains to be done--more POIs, new buildings soon to be under construction in central Ashgabat, and a number of streets with no names (and we missed a few in Bagyr this weekend), but we are in a better place now than before.
Chinese proverb says "The journey of a thousand miles starts with a single step". Well, I did not know it was my first step towards a long journey when I walked into the "Map your community" workshop arranged by Save the Children International in Bangladesh. The workshop was arranged for the "Kolorob" project, aiming to completely map two slum areas where the Kolorob app will be launched. The purpose of the app was to provide slum dwellers with necessary information so they can make informed decision. The chosen map was OpenStreetMap. In the two days workshop, I was first introduced to mapping and I got hooked.
I had no idea how maps were made, no idea about GPS, no idea about anything related to mapping. As a completely new area, it was able to grab my attention pretty tight and I started learning more about it. I was hired by "Save the Children" as a volunteer mapper in Kolorob project and I started doing field mapping using different tools. I also assisted in OSM traning and lead field mapping team for the "Data4Action" project by American Red Cross in association with Bangladesh Red Crescent and Red Cross Society.
My interest stretched out to GIS and I started learning the basics by myself. Along with my learning, I continued mapping and became an active member of the OpenStreetMap Bangladesh (OSMBD) team, which is the OSM community in Bangladesh who were actively working with OSM as it's contributor, advocate and as a learning sharing platform.
I joined Save the Children as a Project Officer in OpenStreetMapping and as a graphic designer in the "Kolorob" project, the same project that started my OSM journey. Here I lead my team to map, collect data, take GPS track to map road network etc. Through work in professional area, my knowledge and expertise level grew a lot. I became more interested in GIS and started learning QGIS and ArcGIS. I took courses in advanced ArcGIS which helped clarifying a lot of concepts and made me aware of the numerous possibilities that GIS give access to. I also started volunteering for Tanzania Development Trust as a mapper and also as a member of the mapping group. These interactions helped me learn more and more and gave me the opportunity to expand my knowledge and understanding of OpenStreetMap.
We (me and some other members of OSM community) did not want to limit ourselves to mapping only. We wanted to use mapping and merge our other ideas together to form a group that will work for humanitarian and development purposes which ultimately will contribute to the wellbeing of our environment, society, country and our planet. So we formed Bangladesh Open Innovation Lab (BOIL) and Bangladesh Humanitarian OpenStreetMap Operational Team (BHOOT which means Ghost in Bengali, indicating the mappers behind the map whose actions are so visible, but they themselves are not) to expand our scope of work.
Data is nothing if it is not used by people. You may have thousands of data on how to improve wellbeing of your society, but if that data is not open and not used, that data amounts to nothing. That is where OSM is making the difference. The data is open here, open for anyone to use, analyze and share. This presents myriads of opportunities to create different platforms to utilize this data in sectors such as humanitarian, disaster risk reduction, environment and conservation, road and transport network etc. and even to day to day life for navigation or finding your nearest shop.
My journey continues. My mapping continues and with each step I am learning more, and realizing more of the potential that is around us. All we need to do is take the first step and the path will stretch out before us.
In the last few days -
I discovered that with this month's  update of OsmAnd's PT data, all my work on bus route relations was finally visible in the app. Suddenly, so many bus stops on the map of Delhi (in OsmAnd) now show bus routes - it is a wonderful feeling! :D It also means that I can now begin using OsmAnd to aid my own commuting.
I took my first two bus trips exclusively for the purpose of mapping them. (I recorded a GPS trace, and tried to add as many bus stops on the way using OsmAnd as I could. If I could spot benches or tactile paving, I'd tag that, too; if I saw another bus, I'd add a local OsmAnd note for it.) 
This also led to what is perhaps the first bus route relation in Delhi approaching completion - Bus 680 is (as far as I know) the first route relation in Delhi to have both the first and the last stop_position added. It still has some stops to be added, and some sections need to be surveyed, to be on the safe side.
Lastly, my faithful Moto G 5s Plus, which I had hoped to keep for at least ten years, was stolen - ironically as I was boarding a bus, guitar in hand. Most of my data was synced to my laptops via Syncthing and NextCloud...but not the ~500 local OsmAnd notes in it - of which ~300 were bus sightings. Oh well. The last few days I've been working off a borrowed Moto G with a cracked screen, waiting for the Moto G6 series to be launched.
 See issue #5078
 I added 28 stops this way on this trip; the total number of bus stops I've added in Delhi is now 388, accounting for 65% of the stops mapped in Delhi 😲
Appena iscritto ad Openstreetmap ho subito cominciato a mappare il comune di Bussero.
Estate 2011: il punto zero
Nell'estate 2011 nella mappa erano presenti solamente la SP120, il viale Europa, la via Monza e la metropolitana. Ho cominciato così a mappare tutte le vie, inserendo tutti i dettagli: corsie, velocità, marciapiedi, luci, sensi unici. A seguire ho mappato piste ciclabili, parcheggi e luoghi pubblici.
Nell'agosto del 2011 avevo necessità di realizzare una mappa personalizzata del mio paese, cercando in rete ho scoperto il Openstreetmap. Ho cominciato così a documentarmi e cercare di capire meglio di cosa si trattava. Openstreetmal era nato da qualche anno e maggior parte dei comuni della provincia di Milano non erano mappati, oppure era solamente abbozzati con le vie principali ed i principali mezzi di trasporto. Da qui nasce l'idea di iscrivermi e cominciare a mappare il comune di Bussero e appassionandomi ad OSM. Un progetto fantastico dove ho imparato che le mappe non servono solo ad orientarsi ma anche a dare aiuto in caso di emergenza, dove ogni minimo particolare può essere utile: dell'indicazione presente su un cartello di direzione, alla più banale mappatura di edifici e vie.