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shp2json

Convert shapefile zip archives to streaming GeoJSON using ogr2ogr and JSONStream.

example

shp2json.js

var toJSON = require('shp2json');
toJSON(process.stdin).pipe(process.stdout);
process.stdin.resume();

shp2json command

$ shp2json ~/citylots.zip 2>/dev/null | head -n5
{
"type": "FeatureCollection",
"features": [
{ "type": "Feature", "properties": { "MAPBLKLOT": "0001001", "BLKLOT":
"0001001", "BLOCK_NUM": "0001", "LOT_NUM": "001", "FROM_ST": "", "TO_ST": "",
"STREET": "", "ST_TYPE": "", "ODD_EVEN": "" }, "geometry": { "type": "Polygon",
"coordinates": [ [ [ 6006455.879902, 2122549.308040 ], [ 6006437.598115,
2122678.946560 ], [ 6006718.635610, 2122661.708405 ], [ 6006728.561443,
2122587.762031 ], [ 6006455.879902, 2122549.308040 ] ] ] } }
,

methods

var toJSON = require('shp2json')

var outStream = toJSON(inStream)

Create a streaming json output stream outStream from the streaming shapefile zip archive inStream.

command-line usage

Usage: shp2json {infile|-} {outfile|-}

install

Make sure you have the ogr2ogr command from gdal.

sudo apt-get install gdal-bin

To install the library, with npm do:

npm install shp2json

and to install the command do:

npm install -g shp2json

license

MIT/X11

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