changed the speed to be m/s in metric rather than km/h and ft/m in imperial and added the measurement type for speed/velocity to the airflow component

src/models/UnitMeasurement.ts

@@ -256,5 +256,15 @@ function unitConversion(
       });
     }
   }
+  if (type === quack.MeasurementType.MEASUREMENT_TYPE_SPEED) {
+    if (user.settings.distanceUnit === pond.DistanceUnit.DISTANCE_UNIT_FEET) {
+      newVals.forEach((val, i) => {
+        val.values.forEach((v, j) => {
+          //convert m/s to ft/m by multiplying by 196.9
+          newVals[i].values[j] = v * 196.9
+        });
+      });
+    }
+  }
   return newVals;
 }

src/pbHelpers/ComponentType.tsx

@@ -146,7 +146,7 @@ export interface ComponentTypeExtension {
   interactionResultTypes: Array<quack.InteractionResultType>;
   states: Array<string>;
   measurements: Array<ComponentMeasurement>;
-  measurementSummary: Function; //Deprecated: this summary used the old measurement structure
+  measurementSummary?: Function; //Deprecated: this summary used the old measurement structure
   unitMeasurementSummary: (
     measurements: convertedUnitMeasurement,
     excludedNodes?: number[]
@@ -382,7 +382,8 @@ export async function getMeasurementSummary(
   measurement: quack.IMeasurement,
   filters: GraphFilters
 ): Promise<Array<Summary>> {
-  return extension(type, subtype).measurementSummary(measurement, filters);
+  let sumFunc = extension(type, subtype).measurementSummary
+  return sumFunc ? sumFunc(measurement, filters) : [];
 }
 
 const validNodes = (nodeVals: number[], filters?: GraphFilters) => {

src/pbHelpers/ComponentTypes/Airflow.ts

@@ -1,14 +1,15 @@
 import {
   ComponentTypeExtension,
   Summary,
-  simpleMeasurements,
-  simpleSummaries,
+  // simpleMeasurements,
+  // simpleSummaries,
   unitMeasurementSummaries,
   AreaChartData,
   GraphFilters,
   simpleAreaChartData,
   LineChartData,
-  simpleLineChartData
+  simpleLineChartData,
+  ComponentMeasurement
 } from "pbHelpers/ComponentType";
 import PressureDarkIcon from "assets/components/pressureDark.png";
 import PressureLightIcon from "assets/components/pressureLight.png";
@@ -18,11 +19,32 @@ import { convertedUnitMeasurement } from "models/UnitMeasurement";
 import { pond } from "protobuf-ts/pond";
 
 export function Airflow(subtype: number = 0): ComponentTypeExtension {
-  let airflow = describeMeasurement(
+  let cfm = describeMeasurement(
     quack.MeasurementType.MEASUREMENT_TYPE_CFM,
     quack.ComponentType.COMPONENT_TYPE_AIRFLOW,
     subtype
   );
+
+  let velocity = describeMeasurement(
+    quack.MeasurementType.MEASUREMENT_TYPE_CFM,
+    quack.ComponentType.COMPONENT_TYPE_AIRFLOW,
+    subtype
+  );
+
+  let measurementTypes = [
+      {
+        measurementType: quack.MeasurementType.MEASUREMENT_TYPE_PPM,
+        label: cfm.label(),
+        colour: cfm.colour(),
+        graphType: cfm.graph()
+      } as ComponentMeasurement,
+      {
+        measurementType: quack.MeasurementType.MEASUREMENT_TYPE_VOLTAGE,
+        label: velocity.label(),
+        colour: velocity.colour(),
+        graphType: velocity.graph()
+      } as ComponentMeasurement
+    ];
   return {
     type: quack.ComponentType.COMPONENT_TYPE_AIRFLOW,
     subtypes: [
@@ -47,10 +69,10 @@ export function Airflow(subtype: number = 0): ComponentTypeExtension {
     addressTypes: [quack.AddressType.ADDRESS_TYPE_I2C],
     interactionResultTypes: [],
     states: [],
-    measurements: simpleMeasurements(airflow),
-    measurementSummary: async function(measurement: quack.Measurement): Promise<Array<Summary>> {
-      return simpleSummaries(measurement, airflow);
-    },
+    measurements: measurementTypes,
+    // measurementSummary: async function(measurement: quack.Measurement): Promise<Array<Summary>> {
+    //   return simpleSummaries(measurement, airflow);
+    // },
     unitMeasurementSummary: (
       measurements: convertedUnitMeasurement,
       excludedNodes?: number[]

src/pbHelpers/MeasurementDescriber.ts

@@ -450,8 +450,9 @@ export class MeasurementDescriber {
         this.details.max = 100000;
         break;
       case quack.MeasurementType.MEASUREMENT_TYPE_SPEED:
+        let speedUnit = getDistanceUnit()
         this.details.label = "Speed";
-        this.details.unit = "km/h";
+        this.details.unit = speedUnit === pond.DistanceUnit.DISTANCE_UNIT_METERS ? "m/s" : "ft/m";
         this.details.colour = green["500"];
         this.details.path = "edgeTriggered.rises";
         this.details.max = 500;