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- var fs = require("fs"),
- csv = require("csv-parser"),
- stringify = require("csv-stringify"),
- proj4 = require("proj4");
- var nypdProj = 'PROJCS["NAD_1983_StatePlane_New_York_Long_Island_FIPS_3104_Feet",GEOGCS["GCS_North_American_1983",DATUM["D_North_American_1983",SPHEROID["GRS_1980",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Lambert_Conformal_Conic"],PARAMETER["False_Easting",984250.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",-74.0],PARAMETER["Standard_Parallel_1",40.66666666666666],PARAMETER["Standard_Parallel_2",41.03333333333333],PARAMETER["Latitude_Of_Origin",40.16666666666666],UNIT["Foot_US",0.3048006096012192]]';
- var stateplane = proj4(nypdProj);
- fs.createReadStream("2013.csv")
- .pipe(csv())
- .on('data', function(row) {
- var wgs84 = stateplane.inverse([row.xcoord,row.ycoord]);
- row.lng = wgs84[0];
- row.lat = wgs84[1];
- return row;
- })
- .pipe(stringify())
- .pipe(fs.createWriteStream("2013-with-latlng.csv"));
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