2nd part of additions to fix after review

@@ -608,30 +608,30 @@ export default abstract class LeafletMap {
       return polygon;
     }
 
-  updatePoints(pointsData: FormattedData[][], getTooltip: (point: FormattedData[], setTooltip?: boolean) => string) {
-    for(let i = 0; i < pointsData.length; i++) {
-      let pointsList = pointsData[i];
-      if(i === 0) {
-        if (this.points) {
-          this.map.removeLayer(this.points);
-        }
-        this.points = new FeatureGroup();
+  updatePoints(pointsData: FormattedData[][], getTooltip: (point: FormattedData) => string) {
+    if(pointsData.length) {
+      if (this.points) {
+        this.map.removeLayer(this.points);
       }
+      this.points = new FeatureGroup();
+    }
+    for(let i = 0; i < pointsData.length; i++) {
+      const pointsList = pointsData[i];
       pointsList.filter(pdata => !!this.convertPosition(pdata)).forEach(data => {
         const point = L.circleMarker(this.convertPosition(data), {
           color: this.options.pointColor,
           radius: this.options.pointSize
         });
         if (!this.options.pointTooltipOnRightPanel) {
-          point.on('click', () => getTooltip([data]));
+          point.on('click', () => getTooltip(data));
         } else {
-          createTooltip(point, this.options, data.$datasource, getTooltip([data], false));
+          createTooltip(point, this.options, data.$datasource, getTooltip(data));
         }
         this.points.addLayer(point);
       });
-      if(i === (pointsData.length - 1)) {
-        this.map.addLayer(this.points);
-      }
+    }
+    if(pointsData.length) {
+      this.map.addLayer(this.points);
     }
   }
 

@@ -166,8 +166,8 @@ export class TripAnimationComponent implements OnInit, AfterViewInit, OnDestroy
         currentPosition[j] = this.calculateLastPoints(this.interpolatedTimeData[j], time);
       }
     }
-    this.calcLabel(currentPosition);
-    this.calcTooltip(currentPosition, true);
+    this.calcLabel();
+    this.calcMainTooltip(currentPosition);
     if (this.mapWidget && this.mapWidget.map && this.mapWidget.map.map) {
       const formattedInterpolatedTimeData = this.interpolatedTimeData.map(ds => _.values(ds));
       this.mapWidget.map.updatePolylines(formattedInterpolatedTimeData, true);
@@ -221,33 +221,26 @@ export class TripAnimationComponent implements OnInit, AfterViewInit, OnDestroy
     }
   }
 
-  calcTooltip = (points?: FormattedData[], isMainTooltip: boolean = false): string => {
-    let tooltipText;
-    if(isMainTooltip) {
-      this.mainTooltips = []
-    }
+  calcTooltip = (point: FormattedData): string => {
+    const data = point ? point : this.activeTrip;
+    const tooltipPattern: string = this.settings.useTooltipFunction ?
+      safeExecute(this.settings.tooltipFunction, [data, this.historicalData, point.dsIndex]) : this.settings.tooltipPattern;
+    return parseWithTranslation.parseTemplate(tooltipPattern, data, true);
+  }
+
+  private calcMainTooltip(points: FormattedData[]): void {
+    const tooltips = [];
     for (let point of points) {
-      const data = point ? point : this.activeTrip;
-      const tooltipPattern: string = this.settings.useTooltipFunction ?
-        safeExecute(this.settings.tooltipFunction, [data, this.historicalData, point.dsIndex]) : this.settings.tooltipPattern;
-      tooltipText = parseWithTranslation.parseTemplate(tooltipPattern, data, true);
-      if(isMainTooltip) {
-        this.mainTooltips.push(this.sanitizer.sanitize(SecurityContext.HTML, tooltipText));
-      }
+      tooltips.push(this.sanitizer.sanitize(SecurityContext.HTML, this.calcTooltip(point)));
     }
-    this.cd.detectChanges();
-    return tooltipText;
+    this.mainTooltips = tooltips;
   }
 
-  calcLabel(formattedDataArr: FormattedData[]) {
-    let labelToSet = '';
-    for (let formattedData of formattedDataArr) {
-      const labelText: string = this.settings.useLabelFunction ?
-        safeExecute(this.settings.labelFunction, [formattedData, this.historicalData, formattedData.dsIndex]) : this.settings.label;
-      const label = (parseWithTranslation.parseTemplate(labelText, formattedData, true));
-      labelToSet = labelToSet.length ? labelToSet + ',' + label : label;
-    }
-    this.label = labelToSet;
+  calcLabel() {
+    const data = this.activeTrip;
+    const labelText: string = this.settings.useLabelFunction ?
+      safeExecute(this.settings.labelFunction, [data, this.historicalData, data.dsIndex]) : this.settings.label;
+    this.label = (parseWithTranslation.parseTemplate(labelText, data, true));
   }
 
   interpolateArray(originData: FormattedData[]) {