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Initial data for Finland
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@tomimick
tomimick committed Nov 21, 2013
1 parent 0f11613 commit 3b218eb
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229 changes: 229 additions & 0 deletions data-finland/data-raw-geo/GeoJSON.js
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var GeoJSON = function( geojson, options ){

var _geometryToGoogleMaps = function( geojsonGeometry, opts, geojsonProperties ){

var googleObj;

switch ( geojsonGeometry.type ){
case "Point":
opts.position = new google.maps.LatLng(geojsonGeometry.coordinates[1], geojsonGeometry.coordinates[0]);
googleObj = new google.maps.Marker(opts);
if (geojsonProperties) {
googleObj.set("geojsonProperties", geojsonProperties);
}
break;

case "MultiPoint":
googleObj = [];
for (var i = 0; i < geojsonGeometry.coordinates.length; i++){
opts.position = new google.maps.LatLng(geojsonGeometry.coordinates[i][1], geojsonGeometry.coordinates[i][0]);
googleObj.push(new google.maps.Marker(opts));
}
if (geojsonProperties) {
for (var k = 0; k < googleObj.length; k++){
googleObj[k].set("geojsonProperties", geojsonProperties);
}
}
break;

case "LineString":
var path = [];
for (var i = 0; i < geojsonGeometry.coordinates.length; i++){
var coord = geojsonGeometry.coordinates[i];
var ll = new google.maps.LatLng(coord[1], coord[0]);
path.push(ll);
}
opts.path = path;
googleObj = new google.maps.Polyline(opts);
if (geojsonProperties) {
googleObj.set("geojsonProperties", geojsonProperties);
}
break;

case "MultiLineString":
googleObj = [];
for (var i = 0; i < geojsonGeometry.coordinates.length; i++){
var path = [];
for (var j = 0; j < geojsonGeometry.coordinates[i].length; j++){
var coord = geojsonGeometry.coordinates[i][j];
var ll = new google.maps.LatLng(coord[1], coord[0]);
path.push(ll);
}
opts.path = path;
googleObj.push(new google.maps.Polyline(opts));
}
if (geojsonProperties) {
for (var k = 0; k < googleObj.length; k++){
googleObj[k].set("geojsonProperties", geojsonProperties);
}
}
break;

case "Polygon":
var paths = [];
var exteriorDirection;
var interiorDirection;
for (var i = 0; i < geojsonGeometry.coordinates.length; i++){
var path = [];
for (var j = 0; j < geojsonGeometry.coordinates[i].length; j++){
var ll = new google.maps.LatLng(geojsonGeometry.coordinates[i][j][1], geojsonGeometry.coordinates[i][j][0]);
path.push(ll);
}
if(!i){
exteriorDirection = _ccw(path);
paths.push(path);
}else if(i == 1){
interiorDirection = _ccw(path);
if(exteriorDirection == interiorDirection){
paths.push(path.reverse());
}else{
paths.push(path);
}
}else{
if(exteriorDirection == interiorDirection){
paths.push(path.reverse());
}else{
paths.push(path);
}
}
}
opts.paths = paths;
googleObj = new google.maps.Polygon(opts);
if (geojsonProperties) {
googleObj.set("geojsonProperties", geojsonProperties);
}
break;

case "MultiPolygon":
googleObj = [];
for (var i = 0; i < geojsonGeometry.coordinates.length; i++){
var paths = [];
var exteriorDirection;
var interiorDirection;
for (var j = 0; j < geojsonGeometry.coordinates[i].length; j++){
var path = [];
for (var k = 0; k < geojsonGeometry.coordinates[i][j].length; k++){
var ll = new google.maps.LatLng(geojsonGeometry.coordinates[i][j][k][1], geojsonGeometry.coordinates[i][j][k][0]);
path.push(ll);
}
if(!j){
exteriorDirection = _ccw(path);
paths.push(path);
}else if(j == 1){
interiorDirection = _ccw(path);
if(exteriorDirection == interiorDirection){
paths.push(path.reverse());
}else{
paths.push(path);
}
}else{
if(exteriorDirection == interiorDirection){
paths.push(path.reverse());
}else{
paths.push(path);
}
}
}
opts.paths = paths;
googleObj.push(new google.maps.Polygon(opts));
}
if (geojsonProperties) {
for (var k = 0; k < googleObj.length; k++){
googleObj[k].set("geojsonProperties", geojsonProperties);
}
}
break;

case "GeometryCollection":
googleObj = [];
if (!geojsonGeometry.geometries){
googleObj = _error("Invalid GeoJSON object: GeometryCollection object missing \"geometries\" member.");
}else{
for (var i = 0; i < geojsonGeometry.geometries.length; i++){
googleObj.push(_geometryToGoogleMaps(geojsonGeometry.geometries[i], opts, geojsonProperties || null));
}
}
break;

default:
googleObj = _error("Invalid GeoJSON object: Geometry object must be one of \"Point\", \"LineString\", \"Polygon\" or \"MultiPolygon\".");
}

return googleObj;

};

var _error = function( message ){

return {
type: "Error",
message: message
};

};

var _ccw = function( path ){
var isCCW;
var a = 0;
for (var i = 0; i < path.length-2; i++){
a += ((path[i+1].lat() - path[i].lat()) * (path[i+2].lng() - path[i].lng()) - (path[i+2].lat() - path[i].lat()) * (path[i+1].lng() - path[i].lng()));
}
if(a > 0){
isCCW = true;
}
else{
isCCW = false;
}
return isCCW;
};

var obj;

var opts = options || {};

switch ( geojson.type ){

case "FeatureCollection":
if (!geojson.features){
obj = _error("Invalid GeoJSON object: FeatureCollection object missing \"features\" member.");
}else{
obj = [];
for (var i = 0; i < geojson.features.length; i++){
obj.push(_geometryToGoogleMaps(geojson.features[i].geometry, opts, geojson.features[i].properties));
}
}
break;

case "GeometryCollection":
if (!geojson.geometries){
obj = _error("Invalid GeoJSON object: GeometryCollection object missing \"geometries\" member.");
}else{
obj = [];
for (var i = 0; i < geojson.geometries.length; i++){
obj.push(_geometryToGoogleMaps(geojson.geometries[i], opts));
}
}
break;

case "Feature":
if (!( geojson.properties && geojson.geometry )){
obj = _error("Invalid GeoJSON object: Feature object missing \"properties\" or \"geometry\" member.");
}else{
obj = _geometryToGoogleMaps(geojson.geometry, opts, geojson.properties);
}
break;

case "Point": case "MultiPoint": case "LineString": case "MultiLineString": case "Polygon": case "MultiPolygon":
obj = geojson.coordinates
? obj = _geometryToGoogleMaps(geojson, opts)
: _error("Invalid GeoJSON object: Geometry object missing \"coordinates\" member.");
break;

default:
obj = _error("Invalid GeoJSON object: GeoJSON object must be one of \"Point\", \"LineString\", \"Polygon\", \"MultiPolygon\", \"Feature\", \"FeatureCollection\" or \"GeometryCollection\".");

}

return obj;

};
642 changes: 642 additions & 0 deletions data-finland/data-raw-geo/kunnat.kml
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54 changes: 54 additions & 0 deletions data-finland/data-raw-geo/tokml.py
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#!/usr/bin/python
# -*- coding: utf-8 -*-

# tokml.py: convert Kuntarajat2013.csv to single .kml and then convert it to
# .geojson with GeoJSON.js.
#
# Author: Tomi.Mickelsson@iki.fi
# 31.10.2013 - Created

import sys
import csv
# import xml.etree.ElementTree as ET


# increase limit
csv.field_size_limit(500000)

# inits lib
def read(fname):
# klist = []
# json = {"type":"FeatureCollection", "features":klist}

dest = open("kunta.kml", "w")
dest.write("""<?xml version="1.0" encoding="UTF-8"?>
<kml xmlns="http://www.opengis.net/kml/2.2">""")

with open(fname, 'rb') as csvfile:
spamreader = csv.reader(csvfile, delimiter=',')
for i, row in enumerate(spamreader):
if i == 0: continue

print(i, row[0])
dest.write(""" <Placemark>
<name>%s</name>""" % row[0])
dest.write(row[2])
dest.write(""" </Placemark>
""")

# print(row[2])

# root = ET.fromstring(row[2])
# print root
# for child in root.findall(":
# print child.tag, child.attrib

# if i > 50: break

dest.write("</kml>")
dest.close()

# unit tests
if __name__ == '__main__':
read("Kuntarajat2013.csv")

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