Method _addDataflowLayer

src/common/mapping/WebMapV2.js:1184–1243

(layerInfo, feature)

    }

    async _addDataflowLayer(layerInfo, feature) {
      const layerID = layerInfo.layerID;
      if (layerInfo.layerType === 'DATAFLOW_HEAT') {
        if (!this.map.getSource(layerID)) {
          this._createHeatLayer(layerInfo, [feature], false);
        } else {
          this._updateDataFlowFeature(layerID, feature, layerInfo);
        }
      } else {
        const layerStyle = layerInfo.pointStyle;
        layerInfo.style = layerStyle;
        if (!this.map.getSource(layerID)) {
          const iconRotateExpression = this._getDataFlowRotateStyle(
            [feature],
            layerInfo.directionField,
            layerInfo.identifyField
          );
          if (['BASIC_POINT', 'SVG_POINT', 'IMAGE_POINT'].includes(layerStyle.type)) {
            await this._createGraphicLayer(layerInfo, [feature], null, iconRotateExpression, false);
          } else {
            this._createSymbolLayer(layerInfo, [feature], null, iconRotateExpression, false);
          }
        } else {
          this._updateDataFlowFeature(layerID, feature, layerInfo, 'point');
        }
        if (layerInfo.labelStyle && layerInfo.visible) {
          const labelSymbolLayerId = this._getSymbolLabelLayerName(layerID);
          if (!this.map.getSource(labelSymbolLayerId)) {
            this._addLabelLayer(layerInfo, [feature], true);
          } else {
            this._updateDataFlowFeature(labelSymbolLayerId, feature, layerInfo);
          }
        }
        if (layerInfo.lineStyle && layerInfo.visible) {
          if (!this.map.getSource(layerID + '-line')) {
            const geometry = feature.geometry.coordinates;
            const lineFeature = {
              type: 'Feature',
              properties: feature.properties,
              geometry: {
                type: 'LineString',
                coordinates: [geometry]
              }
            };
            this._createVectorLayer(
              {
                style: layerInfo.lineStyle,
                featureType: 'LINE',
                visible: 'visible',
                layerID: layerID + '-line',
                parentLayerId: layerID
              },
              [lineFeature]
            );
          } else {
            this._updateDataFlowFeature(layerID + '-line', feature, layerInfo, 'line');
          }
        }