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@ -5,14 +5,186 @@
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<h1 class="header" id="title">GEO</h1>
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<p id="position"></p>
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<button id="store_location" onclick="store_location()">store my position</button>
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<button id="add_text" onclick="add_text()">add message</button>
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<button id="add_audio" onclick="add_audio()">add audio</button>
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<br><br><br>
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{% for location in locations %}
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<div >{{location.id}}: {{location.longitude}}, {{location.latitude}} <a href="location/{{location.id}}/delete">delete</a></div>
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<div >{{location.id}}: {{location.longitude}}, {{location.latitude}} {{location.message if location.loc_type == "message"}}
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{% if location.loc_type == "audio" %}
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<audio id="audio-player" controls="" src="uploads/{{location.audio}}"></audio>
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{% endif %}
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<a href="location/{{location.id}}/delete">delete</a></div>
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{% endfor %}
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</div>
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{% endblock %}
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{% endblock main %}
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{% block js %}
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<script>
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var locations;
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function assign_data(data) {
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console.log(data);
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locations = data;
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}
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assign_data({{ data_locations|tojson }});
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var map = L.map('map', {zoomControl:false,
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attributionControl:false,
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scrollWheelZoom: false,
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zoom: 2000
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}).setView([48.505, 1.09], 10);
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L.tileLayer('https://tile.openstreetmap.org/{z}/{x}/{y}.png', {
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maxZoom: 19,
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zoom:2,
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attribution: '© <a href="http://www.openstreetmap.org/copyright">OpenStreetMap</a>'
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}).addTo(map);
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locations.forEach(function (item, index) {
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try {
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var circle = L.circle([item.latitude, item.longitude], {
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color: 'red',
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fillColor: 'red',
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fillOpacity: 1,
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radius: 30
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}).addTo(map);
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} catch (error) {
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console.error(error);
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}
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});
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var myPositionCircle = L.circle([48.172934, 9.01236], {
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color: 'black',
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fillColor: 'black',
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fillOpacity: 1,
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radius: 30
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}).addTo(map);
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var x = document.getElementById("position");
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let id;
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let target;
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let options;
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//first: latitude, second: longitude
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target = {
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latitude : 48.172934,
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longitude: 9.01236
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};
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var my_location = {
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latitude : 0,
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longitude: 0
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};
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function success(pos) {
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const crd = pos.coords;
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my_location.longitude = crd.longitude;
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my_location.latitude = crd.latitude;
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map.setView([my_location.latitude, my_location.longitude], 16);
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myPositionCircle.setLatLng([my_location.latitude, my_location.longitude])
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console.log("updated")
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x.innerHTML = "Latitude: " + crd.latitude +
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"<br>Longitude: " + crd.longitude +
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"<br>Distance: " + distance(target.longitude, target.latitude, crd.longitude, crd.latitude);
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// if we want to clear the watch
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// if (target.latitude === crd.latitude && target.longitude === crd.longitude) {
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// console.log('Congratulations, you reached the target');
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// navigator.geolocation.clearWatch(id);
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// }
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}
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function error(err) {
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console.error(`ERROR(${err.code}): ${err.message}`);
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console.log("trying again")
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// id = navigator.geolocation.watchPosition(success, error, options);
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}
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options = {
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enableHighAccuracy: true,
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timeout: 1000,
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maximumAge: 1000
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};
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id = navigator.geolocation.watchPosition(success, error, options);
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function distance(lon1, lat1, lon2, lat2) {
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var R = 6371; // Radius of the earth in km
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var dLat = (lat2-lat1).toRad(); // Javascript functions in radians
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var dLon = (lon2-lon1).toRad();
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var a = Math.sin(dLat/2) * Math.sin(dLat/2) +
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Math.cos(lat1.toRad()) * Math.cos(lat2.toRad()) *
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Math.sin(dLon/2) * Math.sin(dLon/2);
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var c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1-a));
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var d = R * c; // Distance in km
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return d;
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}
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/** Converts numeric degrees to radians */
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if (typeof(Number.prototype.toRad) === "undefined") {
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Number.prototype.toRad = function() {
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return this * Math.PI / 180;
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}
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}
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function store_location(){
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console.log("storing location");
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console.log(my_location)
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var xhr = new XMLHttpRequest();
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xhr.open("POST", "./addlocation", true);
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xhr.setRequestHeader('Content-Type', 'application/json');
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xhr.send(JSON.stringify({
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longitude: my_location.longitude,
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latitude: my_location.latitude
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}));
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xhr.onreadystatechange=function(){
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if (xhr.readyState==4 && xhr.status==200){
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location.reload();
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}
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}
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}
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function add_text(){
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window.location.href = "addtext?longitude="+ my_location.longitude +"&latitude="+my_location.latitude;
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}
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function add_audio(){
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window.location.href = "addaudio?longitude="+ my_location.longitude +"&latitude="+my_location.latitude;
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}
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</script>
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{% endblock js %}
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Alexander Roidl
2 years ago