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gulpfile.js
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gulpfile.js
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var gulp = require('gulp');
var browserSync = require("browser-sync");
var shapefile = require('shapefile');
var fs = require('fs');
var inside = require('point-in-polygon');
var runSequence = require('run-sequence');
var csv = require('csv');
var iconv = require('iconv-lite');
var sutil = require('line-stream-util')
var GeoJSON = require('geojson');
// ローカルサーバ起動
gulp.task("serve", () => {
browserSync({
server: {
baseDir: "."
}
});
// 監視対象ファイル一覧
gulp.watch(["css/**/*", "data/**/*", "image/**/*", "js/**/*", "index.html"], () => {
browserSync.reload();
});
});
// 全データ更新
gulp.task("updatedata", (cb) => {
runSequence(['data-wards', 'data-middleSchool', 'data-elementary', 'data-school'], 'data-station', 'data-nursery', cb);
});
// 行政区域のデータ更新
gulp.task("data-wards", (cb) => {
shapefile.read('data_org/N03-17_07_170101.shp', {encoding: 'shift_jis'}, (err, json) => {
if(err) {
console.log(err);
} else {
json.features = json.features.filter((feature) => {
var cityCode = feature.properties.N03_007;
return cityCode && cityCode.indexOf('07203') === 0;
});
fs.writeFileSync( 'data/wards.geojson', JSON.stringify(json) );
}
cb();
});
});
// 中学校区域のデータ更新
gulp.task("data-middleSchool", (cb) => {
shapefile.read('data_org/A32-16_07.shp', {encoding: 'shift_jis'}, (err, json) => {
if(err) {
console.log(err);
} else {
json.features = json.features.filter((feature) => {
var cityCode = feature.properties.A32_001;
return cityCode && cityCode.indexOf('07203') === 0;
});
fs.writeFileSync( 'data/MiddleSchool.geojson', JSON.stringify(json) );
}
cb();
});
});
// 小学校区域のデータ更新
gulp.task("data-elementary", (cb) => {
shapefile.read('data_org/A27-16_07.shp', {encoding: 'shift_jis'}, (err, json) => {
if(err) {
console.log(err);
} else {
json.features = json.features.filter((feature) => {
var cityCode = feature.properties.A27_005;
return cityCode && cityCode.indexOf('07203') === 0;
});
fs.writeFileSync( 'data/Elementary.geojson', JSON.stringify(json) );
}
cb();
});
});
// 学校のデータ作成
gulp.task("data-school", (cb) => {
shapefile.read('data_org/p29-13_07.shp', {encoding: 'shift_jis'}, (err, json) => {
if(err) {
console.log(err);
} else {
var features = json.features.filter((feature) => {
var cityCode = feature.properties.P29_001;
feature.properties.label = feature.properties.P29_005.replace(/学校$/, '');
return cityCode && cityCode.indexOf('07203') === 0;
});
// 小学校
json.features = features.filter((feature) => {
return feature.properties.P29_004 === '16001';
});
fs.writeFileSync( 'data/Elementary_loc.geojson', JSON.stringify(json) );
// 中学校
json.features = features.filter((feature) => {
return feature.properties.P29_004 === '16002' || feature.properties.P29_004 === '16003';
});
fs.writeFileSync( 'data/MiddleSchool_loc.geojson', JSON.stringify(json) );
}
cb();
});
});
// 駅のデータ更新
gulp.task("data-station", (cb) => {
shapefile.read('data_org/N02-16_Station.shp', {encoding: 'shift_jis'}, (err, json) => {
if(err) {
console.log(err);
} else {
var wardsJson = JSON.parse(fs.readFileSync('data/wards.geojson', 'utf8'));
json.features = json.features.filter((feature) => {
var ward = wardsJson.features.find((wardFeature) => {
return inside(feature.geometry.coordinates[0], wardFeature.geometry.coordinates[0]);
});
return !!(ward);
});
json.features = json.features.map((feature) => {
var data = {type: "Feature", properties: {}, geometry: {type: "Point", coordinates:[]}};
data.properties.line = feature.properties.N02_003;
data.properties.station_name = feature.properties.N02_005;
data.properties.shubetsu = feature.properties.N02_004;
data.properties.lon = (feature.geometry.coordinates[0][0] + feature.geometry.coordinates[1][0]) / 2;
data.properties.lat = (feature.geometry.coordinates[0][1] + feature.geometry.coordinates[1][1]) / 2;
data.geometry.coordinates[0] = data.properties.lon;
data.geometry.coordinates[1] = data.properties.lat;
return data;
});
fs.writeFileSync( 'data/station.geojson', JSON.stringify(json) );
}
cb();
});
});
// 保育園等のデータ更新(国土数値情報 ダウンロードサービスベース)
gulp.task("data-nursery-bk", (cb) => {
shapefile.read('data_org/P14-15_07.shp', {encoding: 'shift_jis'}, (err, json) => {
if(err) {
console.log(err);
} else {
json.features = json.features.filter((feature) => {
var code = feature.properties.P14_006;
var cityName = feature.properties.P14_002;
return cityName.indexOf('郡山市') === 0
//&& (code === '801' || code === '802' || code === '803' || code === '804' || code === '805');
&& (code === '804');
});
json.features.forEach((feature) => {
feature.properties.Name = feature.properties.P14_007;
feature.properties.Label = feature.properties.P14_007;
feature.properties.Add1 = feature.properties.P14_002;
feature.properties.Add2 = feature.properties.P14_003;
var code = feature.properties.P14_006;
switch (code) {
case '801':
feature.properties.Type = '認可保育所'
break;
case '802':
feature.properties.Type = '認可保育所'
break;
case '803':
feature.properties.Type = '認可外'
break;
case '804':
feature.properties.Type = '幼稚園'
break;
case '805':
feature.properties.Type = '認可保育所'
break;
}
});
fs.writeFileSync( 'data/nurseryFacilities_temp.geojson', JSON.stringify(json) );
}
cb();
});
});
// 保育園等のデータ更新(データCSV)
gulp.task("data-nursery", (cb) => {
var fileName = 'data_org/nurseryData.csv';
fs.createReadStream(fileName)
.pipe(sutil.head(1)) // get head lines
.pipe(sutil.split())
.setEncoding('utf8')
.pipe(csv.parse())
.on('data', function(headers){
var dataList = [];
fs.createReadStream(fileName)
.pipe(iconv.decodeStream('shift_jis'))
.pipe(csv.parse())
.pipe(csv.transform(function(record){
var json = {};
record.forEach(function(data, index) {
json[headers[index]] = data ? data : null;
});
return json;
}))
.on('data', function(data) {
dataList.push(data)
}).on('end', function(){
fs.writeFileSync( 'data/nurseryFacilities.geojson', JSON.stringify(GeoJSON.parse(dataList.slice(1), {Point: ['Y', 'X']})) );
cb();
});
});
});