On Fri, Aug 16, 2019 at 06:18:16PM -0700, Spencer Gardner wrote: > I'm working with pyOsmium for parsing OSM and things are working pretty > well. One problem I'm having is that I need to be able to apply a bounding > box filter to handle cases where an unnecessarily large extract is used. > (For example, a user downloads the extract for their entire country but is > only working within a single city). > > I can't find this addressed in the Osmium documentation. Does this > functionality exist? If not, are there clever ways to achieve this? At the > moment I've created a shapely feature representing the bounding box and am > comparing nodes and ways for an intersection. This is highly inefficient > and I'm sure there's a better way. Thanks for any advice.
I recommend using the osmium tool, specifically the "extract" command (see https://docs.osmcode.org/osmium/latest/osmium-extract.html ) on the data first. This is written in C++ and well optimized. After that use PyOsmium to work on the details. Jochen -- Jochen Topf joc...@remote.org https://www.jochentopf.com/ +49-351-31778688 _______________________________________________ dev mailing list email@example.com https://lists.openstreetmap.org/listinfo/dev