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30 Απρ 2014 · I want to process OSM files and the best would be to do it all within C++. My goal is to be able to get grayscale maps, eventually I am considering also clustered recognized shapes (circles for round buildings, long 'thick' splines for roads, rectangulars etc.)
It should be possible to generate suitable tiles for MemoryMap EuropeanEdition versions 5 and above using OSM data, but I have not succeeded. This is the version of the software which can be used with UK Ordnance Survey StreetView Tiles.
How OSM Works. Let’s consider how OpenStreetMap works. Thousands of users around the world continually add to and edit the map, but what goes on behind the scenes? When you or any other user makes changes using editing software such as JOSM or iD, the software communicates with a central OpenStreetMap server and notifies it of your changes.
How can I exactly know how much memory would I need to parse for example hamburg.osm into Postgres with osm2pgrouting? (hamburg.osm is 17 mb zipped and more than 100 mb unzipped). Is that possible to calculate the required memory size at least approximately?
OpenStreetMap data can be quite complex and software using the data difficult to test. This git repository contains various pieces of OSM data to be used for testing OSM software. The data is collected at this one location to help all OSM software projects.
I was simply wondering what DBMS was used to store OSM data. By entering such a question on Google, you get so many informations on how to extract data and import them into various DBMS, but no basic information (just for curious guys) about the way data are stored.
The scale means, how many cm in reality is 1 cm on the paper (or on the screen). So if you have a screen with 96 dpi, you get that one pixel is 1.1943 meters. And you get a scale of 1 : 4 231 which means that 1 cm on your screen is 42.3 m in reality.
