geojson 0.1.0

Manipulate geojson data. Load and parse geojson from a string or a file.

Geojson

Utilities to work with geojson data in Dart.

Example

import 'dart:io';
import 'package:geojson/geojson.dart';

void main() async {
  polygons();
  lines();
}

void polygons() async {
  final file = File("lakes_of_europe.geojson");
  final geoSeries = await geoSerieFromGeoJsonFile(file, nameProperty: "label");
  for (final geoSerie in geoSeries) {
    print("${geoSerie.name}: ${geoSerie.geoPoints.length} geopoints");
  }
}

void lines() async {
  final file = File("railroads_of_north_america.geojson");
  final geoSeries = await geoSerieFromGeoJsonFile(file, nameProperty: "continent");
  for (final geoSerie in geoSeries) {
    print("${geoSerie.name}: ${geoSerie.geoPoints.length} geopoints");
  }
}

Api

geoSerieFromGeoJson: create geoseries from geojson string data. Parameters:

• data: a string with the geojson data, required
• nameProperty: the property used for the geoserie name, automaticaly set if null
• type: the geoserie type, infered from data if not provided
• verbose: print data if true

geoSerieFromGeoJsonFile: create geoseries from a geojson file. Parameters:

• file: the file to load, required
• nameProperty: the property used for the geoserie name, automaticaly set if null
• type: the geoserie type, infered from the file if not provided
• verbose: print data if true