![]() ![]() Trace a map like this is an operation in compliance with the guidance of OpenStreetMap: License IODL2.0 (Italian Open Data License v2.0). So I immediately tried to load it into JOSM, to see if I could start with my editor the massive way. In the geoportal of the Lombardy Region I found the service WMS – Regional Technical Map 1: 10,000 with updates of the new Topographic Database. I got the good news that Legnano has a new map! I headed immediately to check state of progress of the project in the Topographic Database with a few rounds of links. I got the idea of trying the project Topographic Database – DBT, which was signed by 1244 municipalities of 1544 also Legnano and that was over in the process of renovation. I began to search among the various WMS services if there was something interesting. ![]() I was ready to map Legnano, but: what kind of base map shall I use? By default I can use Bing maps, but often it does not have maximum visibility and the error due to shadows and “high roofs” can lead to mistakes, not negligible, although all things considered, it is often better to have a complete cartography with errors of 2-3m, which do not have it at all (in terms of public viewing, and / or navigation, but also spatial planning). It is not the first time that I want to pursue a complete mapping of the city: There were several letters to the City, in which I asked the technical plan to be updated, in order to reproduce it in OpenStreetMap, with documentation that is required in these cases. When I realized the state it was in my city, I was kind of ashamed. I always talk about OpenStreetMap on my blog and I invite and teach all kinds of mapping. Download PDF Atlas of Legnano (as it was).I immediately created an atlas with the online tool mapOSMatic and the result can be found here: I knew I did not find much, but hoped it would have been mapped to a large extent. One day last month, I came back to OpenStreetMap, to see how the city of Legnano (city of 60k people – near Milan – Italy) was mapped. ![]()
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