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datacleanex.js
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datacleanex.js
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const fs = require('fs');
const placeToCoord = new Map();
const city="lyon";
console.log("***************DATACLEANEX-City: " + city + " **************");
convertPlaceCSVtoGeoJson();
convertEventCSVtoGeoJson();
const initPlaceInformationMapping = {
'art': 'art-gallery',
'institut':'museum',
'photo': 'attraction',
'theatre': 'theatre',
'music': 'music',
'undefined' : 'dot-11'
};
async function convertPlaceCSVtoGeoJson(){
console.log("*****Converting Place CSV to GeoJson (place,lat,long,url)*****");
// Getting the original template source file for event
const templateGeoJSONPplace = 'www/template/place_minimal.geojson';
// Read the existing GeoJSON file
fs.readFile(templateGeoJSONPplace, 'utf8', (err, data) => {
if (err) {
console.error('Error reading existing GeoJSON:', err);
return;
}
const existingGeoJSON = JSON.parse(data);
const csvFilePath = 'www/' + city + '_place.csv';
const csvData = fs.readFileSync(csvFilePath, 'utf8');
const table = csvData.split('\n').slice(1);
table.forEach(row => {
const columns = row.split(',');
const place=columns[0];
const latitude=parseFloat(columns[1]);
const longitude=parseFloat(columns[2]);
const url=columns[3];
var style = columns[4];
if(initPlaceInformationMapping[columns[4]]!=null){
style=initPlaceInformationMapping[columns[4]];
}else{
style= initPlaceInformationMapping['undefined'];
}
//console.log("Place: "+place+";"+latitude+";"+longitude+";"+url);
const newFeature = {
type: 'Feature',
id:place,
geometry:{
type: 'Point',
coordinates: [longitude,latitude],
},
properties:{
"title": place,
"icon": style,
"description":url
},
};
existingGeoJSON.features.push(newFeature);
});
// Define the path to the modified GeoJSON file
const modifiedGeoJSONPath = 'www/' + city + '_place.geojson';
// Save the modified GeoJSON to a new file
fs.writeFile(modifiedGeoJSONPath, JSON.stringify(existingGeoJSON), 'utf8', (err) => {
if (err) {
console.error('Error saving modified GeoJSON:', err);
} else {
console.log('Modified GeoJSON saved to', modifiedGeoJSONPath);
}
});
console.log("in convertPlaceCSVtoGeoJson(): "+ table.length + " places created")
});
}
async function convertEventCSVtoGeoJson(){
// Getting the original source file for event
console.log("*****Converting Event CSV*****");
const existingGeoJSONPath = 'www/template/event_minimal.geojson';
// Read the existing GeoJSON file
fs.readFile(existingGeoJSONPath, 'utf8', (err, data) => {
if (err) {
console.error('Error reading existing GeoJSON:', err);
return;
}
// Parse the existing GeoJSON data
const existingGeoJSON = JSON.parse(data);
const csvFilePath = 'scraping/generated/scrapexResult_'+city+'.csv';
const csvData = fs.readFileSync(csvFilePath, 'utf8');
const table = csvData.split('\n');
table.forEach(row => {
const columns = row.split(';');
const place=columns[0];
const title=columns[1];
const time=parseInt(columns[2]);
const size=parseInt(columns[3]);
const style=columns[4];
const detailedStyle=columns[5];
const url=columns[6];
const time_string=columns[7];
if(style!="Theatre"){
const newFeature = {
type: 'Feature',
id:parseInt(time*Math.random()),
geometry:{
type: 'Points',
//coordinates: placeToCoord.get(place),
},
properties:{
"title": title,
"size": size,
"icon": "marker-15",
"place": place,
"style": style,
"detailedStyle": detailedStyle,
"time":time,
"time_string":time_string,
"description":url
},
};
existingGeoJSON.features.push(newFeature);
}
})
// Define the path to the modified GeoJSON file
const modifiedGeoJSONPath = 'www/' + city + '_event.geojson';
// Save the modified GeoJSON to a new file
fs.writeFile(modifiedGeoJSONPath, JSON.stringify(existingGeoJSON), 'utf8', (err) => {
if (err) {
console.error('Error saving modified GeoJSON:', err);
} else {
console.log('Modified GeoJSON saved to', modifiedGeoJSONPath);
}
});
console.log("in convertEventCSVtoGeoJson(): " + existingGeoJSON.features.length + " events");
});
}
//printEachEvent();
//Getting the coordinate of each place
function printEachEvent(){
const placeGeoJSONPath = 'www/' + city + '_event.geojson';
fs.readFile(placeGeoJSONPath, 'utf8', (err, data) => {
if (err) {
console.error('Error reading existing GeoJSON:', err);
return;
}
const placeGeoJSONPath = JSON.parse(data);
for (var i = 0; i < placeGeoJSONPath.features.length; i++) {
console.log(placeGeoJSONPath.features[i].properties.place + "," + placeGeoJSONPath.features[i].properties.title + "," + placeGeoJSONPath.features[i].properties.time + "," + placeGeoJSONPath.features[i].properties.size + "," + placeGeoJSONPath.features[i].properties.style + "," + placeGeoJSONPath.features[i].properties.description);
}
});
}
function convertGeoJsontoCSV(){
console.log("converting geojson place to csv");
const placeGeoJSONPath = 'www/' + city + '_place.geojson';
var placeString="place,latitude,longitude,url\n";
fs.readFile(placeGeoJSONPath, 'utf8', (err, data) => {
if (err) {
console.error('Error reading existing GeoJSON:', err);
return;
}
const placeGeoJSONPath = JSON.parse(data);
for (var i = 0; i < placeGeoJSONPath.features.length; i++) {
placeString += placeGeoJSONPath.features[i].properties.title + "," + parseFloat(placeGeoJSONPath.features[i].geometry.coordinates[1])+ "," + parseFloat(placeGeoJSONPath.features[i].geometry.coordinates[0]) + "," + placeGeoJSONPath.features[i].properties.description + "\n";
}
// Define the path to the modified GeoJSON file
const modifiedPlacePath = 'www/' + city + '_place.csv';
console.log(placeString);
// Save the modified GeoJSON to a new file
fs.writeFile(modifiedPlacePath, placeString, 'utf8', (err) => {
if (err) {
console.error('Error saving modified GeoJSON:', err);
} else {
console.log('Modified CSV saved to', modifiedPlacePath);
}
});
});
}