gtran-csv

convert geojson to csv file and backwards

This is a sub-project of gtran.

Installation

npm install gtran-csv

Functions

• setPromiseLib(object)

  Specify the promise library. If not, the library will use the native Promise.

• fromGeoJson(geojson, fileName)

  Save the geojson into the given file name.

• toGeoJson(fileName, options)

  Read the given file into geojson.

  options:

  • mapping - Map csv columns to geojson attributes. Specifically, geographic coordinates are required:

  {
      x: 'x_column_name',
      y: 'y_column_name'
  }

Use Example

var csv = require('gtran-csv');
 
// if specific promise library is needed
csv.setPromiseLib(require('bluebird'));
 
// Read CSV file
csv.toGeoJson('source.csv')
.then(function(object) {
    var geojson = object;
});
 
// Save geojson into CSV file
csv.fromGeoJson(geojson, 'point.csv', {
    mapping: { x: 'longitude', y: 'latitude'}
})
.then(function(fileName) {
    console.log('CSV file has been saved at:' + fileName);
});