gtran-shapefile
convert geojson to shapefile and backwards
Installation
npm install gtran-shapefileFunctions
-
setPromiseLib(object)
Specify the promise library. If not, the library will use the native Promise.
-
fromGeoJson(geojson, fileName, options)
Save the geojson into the given file name.
Options:
- esriWKT: ESRI WTK string that specifies the shapefile's spatial reference and generates .prj file. It could be found at SpatialReference.org.
-
toGeoJson(fileName)
Read the given file and convert it into geojson.
Use Example
var shp = require('gtran-shapefile');
// if specific promise library is needed
shp.setPromiseLib(require('bluebird'));
// Read shapefile
shp.toGeoJson('source.shp')
.then(function(object) {
var geojson = object;
});
// Save geojson into shapefile
shp.fromGeoJson(geojson, 'point.shp', {
// ESRI WKT string of WGS84
esriWKT: 'GEOGCS["GCS_WGS_1984",DATUM["D_WGS_1984",SPHEROID["WGS_1984",6378137,298.257223563]],PRIMEM["Greenwich",0],UNIT["Degree",0.017453292519943295]]'
})
.then(function(fileNames) {
console.log('files have been saved at:' + fileNames);
});
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