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MFGkarteV21h.html
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<!DOCTYPE html>
<html>
<head>
<title>MFG Übersicht</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta charset="utf-8">
<!-- <meta charset="windows-1252"> -->
<!-- Load Leaflet code library - see updates at http://leafletjs.com/download.html -->
<link rel="stylesheet" href="https://unpkg.com/[email protected]/dist/leaflet.css"/>
<script src="https://unpkg.com/[email protected]/dist/leaflet.js"></script>
<!-- Load jQuery and PapaParse to read data from a CSV file -->
<script src="https://code.jquery.com/jquery-3.5.1.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/[email protected]/papaparse.min.js"></script>
<!-- Load library to read data from a gpx file
<script src="https://cdn.jsdelivr.net/npm/[email protected]/gpx.min.js"></script> -->
<script src="Skripte/gpx.js"></script>
<!-- Position the map with Cascading Style Sheet (CSS) -->
<style>
body { margin:0; padding:0; }
#map { position: absolute; top:0; bottom:0; right:0; left:0; }
</style>
</head>
<body>
<!-- Insert HTML division tag to layout the map -->
<div id="map"></div>
<!-- Insert Javascript (.js) code to create the map -->
<script>
// set csv name for mult. purpose
const csvname = 'Teilnehmer/MFGteilnehmer.csv';
// ======================================================================================
// originally from: https://leafletjs.com/examples/custom-icons/
// marker grouping from: https://leafletjs.com/examples/layers-control/
function makePOI(csvFile) {
// alert(csvFile);
// model for various icons
var SDIcon = L.Icon.extend({
options: {
iconSize: [40, 40],
iconAnchor: [20, 20],
popupAnchor:[0, -10],
}
});
const markers = L.layerGroup();
// Read markers data from file csvString
$.get(csvFile, function(csvString) {
// Use PapaParse to convert string to array of objects
var data = Papa.parse(csvString, {header: true, dynamicTyping: true}).data;
// For each row in data, create a marker and add it to clubs
// For each row, columns `Latitude`, `Longitude`, Description, Icon, and `Title` are required
ll=data.length;
// alert('size of data:'+ ll.toString());
// alert('data[0]:'+data[0].Title+' data[ll-2]:'+data[ll-2].Title);
const tnames = [];
for ( let i = ll-2; i>=0; i--) { // run loop backword, skip last empty element
var row = data[i];
if ( tnames.includes(row.Title) ) {
alert('Name already exists: '+ row.Title);
continue;
}
tnames.push(row.Title);
// console.log('Title:'+row.Title+' '+row.Latitude+' '+row.Longitude);
reformated = formatPopup(row.Title, row.Description);
// console.log(reformated);
var marker = L.marker([row.Latitude, row.Longitude], {
icon: new SDIcon({iconUrl: row.Icon })
}).bindPopup(reformated).addTo(markers);
}
console.log(tnames.toString());
});
return markers;
}
// ======================================================================================
// function to format text in popup
function formatPopup(title, description) {
let count = 0;
for (let i = 0; i < description.length; i++) {
if (description[i] === '=') {
count++;
}
}
var outstr = "";
if (count > 1) {
// console.log('========================================');
// console.log(title);
const params = description.split(":");
outstr = outstr + "<ul>"
let emptyS = true; // noch kein Eintrag
for (i in params) {
// console.log(params[i]);
const parts = params[i].split("=");
switch(parts[0]) {
case 'hin':
outstr = outstr + '<li>Hinfahrt: ' + parts[1]+'</li>';
break;
case 'rueck':
outstr = outstr + '<li>Rückfahrt: ' + parts[1]+'</li>';
break;
case 'MfgBahn':
if (parts[1] == 'on' ) {
emptyS = false;
outstr = outstr + '<li>Fahre mit der Bahn und suche Mitfahrende</li>';
}
break;
case 'MfgBieteAutoZahl':
if (parts[1] > 0 ) {
emptyS = false;
if (parts[1] == 1 ) {
outstr = outstr + '<li>Biete 1 Platz im Auto</li>';
} else {
outstr = outstr + '<li>Biete '+parts[1]+' Plätze im Auto</li>';
}
}
break;
case 'MfgSucheAutoZahl':
if (parts[1] > 0 ) {
emptyS = false;
if (parts[1] == 1 ) {
outstr = outstr + '<li>Suche 1 Platz im Auto</li>';
} else {
outstr = outstr + '<li>Suche '+parts[1]+' Plätze im Auto</li>';
}
}
break; default:
outstr = outstr + '<li>' + parts[0]+' not implemented </li>';
}
}
outstr = outstr + "</ul>";
if (emptyS) {
outstr = "<ul>kein Angebot (mehr)</ul>";
}
}
else {
outstr = description;
}
// console.log(outstr);
const name_email = title.split(":");
const formated = "<strong>"+name_email[0]+"</strong>"+outstr + "<strong>e-mail: "+name_email[1]+"</strong>";
return formated;
}
// ======================================================================================
// function to be performed on click
function onClickCoord(e) {
// alert("You clicked the map at " + e.latlng);
z = map.getZoom();
// alert(e.latlng.lat+':'+ e.latlng.lng + ' zoom:', z);
window.location.href = "Skripte/MFGformular.php?latlng="+e.latlng;
}
// ======================================================================================
// Strahlen...
function makeStar2(csvFile, dist, center) {
// Read position of markers data from file csvString
// alert('makeStar:'+csvFile +' '+ dist.toString());
const lines = [];
const difflatlng = [];
const latfak = 0.65; // correction for long contraction
var dfak = 0.0;
var ldist ;
const star = L.layerGroup();
$.get(csvFile, function(csvString) {
// Use PapaParse to convert string to array of objects
var data = Papa.parse(csvString, {header: true, dynamicTyping: true}).data;
// For each row in data, create a marker and add it to clubs
// For each row, columns `Latitude`, `Longitude`, Description, Icon, and `Title` are required
ll=data.length;
// for all points draw a line from Marker to a circle of radius = dist around center
for ( let i = ll-2; i>=0; i--) { // run loop backword, skip last empty element
var row = data[i];
if (i<3000) { // allow to reduce data for testing
difflatlng[0] = center[0] - row.Latitude; difflatlng[1] = center[1] - row.Longitude;
// alert('difflatlng:'+difflatlng.toString());
ldist = Math.sqrt(difflatlng[0]**2 + (difflatlng[1]*latfak)**2)*111;
dfak = dist / 1000 / ldist;
lines[i] = [[center[0]-dfak*difflatlng[0],center[1]-dfak*difflatlng[1]],[row.Latitude,row.Longitude]];
// alert(lines[i].toString());
polyline = L.polyline([lines[i]], {color: 'green'}).addTo(star).bindPopup('Entfernung nach Erlangen: '+ Math.round(ldist).toString()+' km');
}
}
});
return star;
}
// =========================== start of script ======================================
// getting parameter from commandline
// see https://www.sitepoint.com/get-url-parameters-with-javascript/
const queryString = window.location.search;
// alert('queryString: ' + queryString);
const urlParams = new URLSearchParams(queryString);
// alert('urlParams: ' + urlParams.toString());
var zoom = 9;
if ( urlParams.has('zoom') ) { // alert('has zoom');
zoom = parseInt(urlParams.get('zoom')); }
var lat = 49.75;
if ( urlParams.has('lat') ) { // alert('has lat');
lat = Number(urlParams.get('lat')); }
var lon = 11.0;
if ( urlParams.has('lon') ) { // alert('has lon');
lon =urlParams.get('lon'); }
// alert('zoom: ' + zoom.toString() + ' lat: ' + lat.toString() +' lon: ' + lon.toString()); /* */
// make markers for input file -> overlays
msMarkers = makePOI(csvname);
const overlays = { 'Teilnehmer': msMarkers };
// init OSM org tiles -> baseLayers
const OpenStreetMap_org = L.tileLayer('https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', {
maxZoom: 18,
attribution: '© <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors'
});
const baseLayers = { 'OSM org': OpenStreetMap_org };
// Set up initial map center and zoom level
const map = L.map('map', {
center: [lat, lon], // EDIT latitude, longitude to re-center map
zoom: zoom, // EDIT from 1 to 18 -- decrease to zoom out, increase to zoom in
layers: [OpenStreetMap_org, msMarkers],
scrollWheelZoom: true
});
// alert('zoom: '+ map.getZoom());
// hier was besseres einbauen !
/* map.attributionControl.setPrefix(
'View <a href="https://github.com/HandsOnDataViz/leaflet-map-csv" target="_blank">code on GitHub</a>'
); */
// Erlangen (Kreis)
const circle = L.circle([49.5922, 11.0310], {
color: 'red',
fillColor: '#f03',
fillOpacity: 0.1,
radius: 3000
}).addTo(map).bindPopup('Erlangen');
// einzelne Marker vor Ort
var bahnhof = L.icon({
iconUrl: 'Daten/hbf.png',
iconSize: [40, 40],
iconAnchor:[18, 40] // point of the icon which will correspond to marker's location
});
// Bahnhof: 49.59605, 11.0021
// --> Bahnhof-Marker
L.marker([49.59605, 11.0021],{icon: bahnhof }).addTo(map)
.bindPopup('<b>Bahnhof Erlangen</b><br>150m zum Hugenottenplatz<br>mit Bus <b>294</b>, in 7 Minuten<br>nach "Röthelheimpark-Zentrum"').openPopup();
var bus_gruen = L.icon({
iconUrl: 'Daten/bus_green.png',
iconSize: [40, 40],
iconAnchor:[18, 40] // point of the icon which will correspond to marker's location
});
// Bus Hugenottenplatz: 49.5964, 11.00405
L.marker([49.5964,11.00405],{icon: bus_gruen}).addTo(map)
.bindPopup('<b>Hugenottenplatz</b><br>mit Bus <b>294</b>, in 7 Minuten<br>nach "<b>Röthelheimpark-Zentrum</b>"');
// Bus Röthelheim-Zentral: 49.592 11.02
// --> Bus-Marker
L.marker([49.592, 11.0289],{icon: bus_gruen}).addTo(map)
.bindPopup('Röthelheimpark-Zentrum, Bus 294').openPopup();
// Veranstaltungsort: 49.5922 11.0310
// --> Popup soll offen bleiben
// --> Logo einbinden hat noch Fehler beim 1, Öffnen
const scaleF = 0.35;
var mhome = L.icon({
iconUrl: 'Daten/marker_gruppengefluester.png',
iconSize: [170*scaleF, 200*scaleF],
iconAnchor:[170*scaleF/2, 200*scaleF] // point of the icon which will correspond to marker's location
});
var popuptext = '<img src="./Daten/Logo_Gruppengefluester-07-200px.jpg" align="left"><p>mit Cornelia<br>zu Gast bei Spiritlink<br>';
popuptext = popuptext + '<a href="https://cornelia-dietz.de" title="mehr Informationen" target="_new">Gruppenflüsterer-Camp</a></p>';
popuptext = popuptext + '<strong> <a href="MFGintro_hilfe.html">zu Einleitung und Hilfe </a>';
L.marker([49.5921, 11.0310],{icon: mhome}).addTo(map)
.bindPopup(popuptext).openPopup();
// Buslinie
var latlngs = [
[49.591847, 11.029072],[49.592395, 11.022050],[49.593793, 11.022270],[49.594311, 11.015036],[49.594320, 11.014569],
[49.594047, 11.009641],[49.597213, 11.008485],[49.596554, 11.004114],[49.596447, 11.004023],[49.596381, 11.004041]
];
polyline = L.polyline(latlngs, {color: 'green'}).addTo(map);
/* Control panel to display map layers */
const controlLayers = L.control.layers( baseLayers, overlays, {
position: "topright",
collapsed: false
}).addTo(map);
// make star from file 1 -> star and add to map
stars = makeStar2(csvname, 3000, [49.5921, 11.0310]);
controlLayers.addOverlay(stars , 'Stern');
//alert('GPX');
new L.GPX('Daten/Fussweg.gpx', {
async: true,
marker_options: {
startIconUrl: 'Daten/dgreen.png',
endIconUrl: 'Daten/dred.png'
} } ).addTo(map).bindPopup('Fussweg');
map.on('click', onClickCoord); // add onClickCoord to map
</script>
</body>
</html>