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tiny-osmpbf
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A lightweight parsing library for the osm.pbf format used for OpenStreetMap raw data. Written in pure javascript. Works in nodejs and the browser.
Contrary to other osm pbf parsing libraries, tiny-osmpbf isn't purely optimized for speed, but mainly towards ease-of-use and small code footprint (it's less than 16kB minified and gzipped).
This is mainly achived by using two great alternatives to the typical go-to libraries for parsing pbf and decompressing zlib deflated data, namely mapbox's pbf library and tiny-inflate (a port of Joergen Ibsen's tiny inflate for C).
The second main difference is the synchronous API, which makes it easier to use the library (e.g. when integrating it into existing synchronous workflows). This comes at the cost of having to load the whole osmpbf input data into memory, so keep that in mind in case you're planning to parse larger files.
install via npm install --save tiny-osmpbf
Then
var tinyosmpbf = require('tiny-osmpbf');
var dataBuffer = … // e.g. from fs.readFileSync(…)
var osmData = tinyosmpbf(dataBuffer);
result = tinyosmpbf(dataBuffer [, handler])
dataBuffer
– the pbf data to be parsedhandler
– a callback function that is called for each parsed osm element (node, way and relation), optionalresult
– an object in JSON format containing both the metadata and osm elements from the parsed pbf file (if a custom handler is defined, the osm elements are not included here again)The returned data is in the OSM-JSON format used by the Overpass API. For example:
{
"version": 0.6,
"generator": "Overpass API prototype",
"osm3s": {
"timestamp_osm_base": "2016-05-01T00:00:00Z",
"copyright": "The data included in this document is from www.openstreetmap.org. The data is made available under ODbL."
},
"elements": [
{
"type": "node",
"id": 251429,
"lat": 51.0326209,
"lon": -0.9538873,
"tags": {},
"version": 3,
"timestamp": "2010-10-31T20:48:14Z",
"changeset": 6246399,
"uid": 4745,
"user": "Philip"
},
…
{
"type": "way",
"id": 666,
"nodes": [
251714,
…
],
"tags": {
"designation": "public_bridleway",
"highway": "path"
},
"version": 10,
"timestamp": "2016-03-20T14:37:06Z",
"changeset": 37956794,
"uid": 873940,
"user": "Mike Baggaley"
}
]
}
FAQs
smallest osm.pbf parser
The npm package tiny-osmpbf receives a total of 3,142 weekly downloads. As such, tiny-osmpbf popularity was classified as popular.
We found that tiny-osmpbf demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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