*** WIP WIP *** same more changes !

public/javascripts/map.js

@@ -154,7 +154,7 @@ function getMedian(markers) {
     console.log(markers);
     let i = 0;                                            // now find the 'offlines' (value == -1)
     for (i = 0; i < markers.length; i++) {
-        if (markers[i].options.value != -1) {
+        if (markers[i].options.value > 0) {
             break;
         }
     }
@@ -196,7 +196,7 @@ function buildIcon(color, n, indoor) {
             'y="400" font-size="1500%" font-family="Verdana,Lucida Sans Unicode,sans-serif" ' +
             'fill="' + txtColor + '">' + n + '</text>';
     }
-    if(indoor !== 0) {
+    if(indoor) {
         circIcon += '<line x1="125" y1="475" x2="475" y2="125" stroke="black" stroke-width="20" />'
     }
     circIcon += '</svg>';
@@ -242,7 +242,7 @@ export async function buildMarkers() {
             name: x.id,
             value: x.value,
             url: '/graph?sid=' + x.id,
-            lastseen: dt.formatJSDate(x.lastseen),
+            lastseen: dt.formatISODate(x.lastseen),
             indoor: x.indoor
         })
             .on('click', e => onMarkerClick(e, true))        // define click- and
@@ -273,7 +273,7 @@ async function onMarkerClick(e, click) {
             ${item.value < 0 ? offlinetext : normaltext}
         </table>
         <div id="infoBtn">
-            <a href="#" class="speciallink">Grafik anzeigen</a>
+            <a href="#" class="speciallink">Show chart</a>
         </div>
     </div>
 </div>`
@@ -298,3 +298,37 @@ async function setCenter(adr) {
     map.setView([parseFloat(data.lat), parseFloat(data.lon)]);
     console.log(data);
 }
+
+/*
+// Show the last date below tha map grafics
+async function showLastDate(dt) {
+    const url = `http://localhost:3004/getproperties?type=noise&box=${bounds.toBBoxString()}`
+
+    let ret = await fetch(url)
+        .catch(e => {
+            console.log(e)
+        });
+    let sensors = await ret.json()
+
+    let url = '/api/getdata';
+    let ld = moment(dt);
+    let last = ld.subtract(1,'h')
+    let erg;
+    let allsens
+    try {
+        erg = await $.getJSON(url + `?data=props&last=1900-01-01`);
+        allsens = erg.count
+        erg = await $.getJSON(url + `?data=props&last=${last.format('YYYY-MM-DD HH:mm')}`);
+        if ((erg != undefined) && (erg.values[0].error != undefined)) {
+            showError(3,erg.values[0].error,aktsensorid);
+            return;
+        }
+    }
+    catch(e) {
+        console.log(e)
+    }
+    $('#mapdate').html('Werte von ' + ld.format('YYYY-MM-DD HH:mm'));
+    $('#actsensors').html(`${erg.count} aktive Sensoren (angemeldet ${allsens})`)
+}
+
+ */