2.0.4

Ejectable/GT2.tsx

@@ -59,11 +59,26 @@ interface expoGeoObj {
     }
 
     public get_glcoords() {
-        this.glCoords['lat'] = this.mLatitude;
+      this.glCoords['lat'] = this.mLatitude;
-        this.glCoords['lon'] = this.mLongitude;
+      this.glCoords['lon'] = this.mLongitude;
           }
 
+    public set_glcoords(lat:number,lon:number) {
+      this.glCoords['lat'] = lat;
+      this.glCoords['lon'] = lon;
+    }      
+
+    public roundTo(precision:number) {
+         var lat = this.mLatitude  * Math.pow(10,precision);
+         var lon = this.mLongitude * Math.pow(10,precision);
+             lat = (Math.round(lat)) / Math.pow(10,precision);
+             lon = (Math.round(lon)) / Math.pow(10, precision);
+         this.set_glcoords(lat,lon);   
+    }
+
     public distanceTo(otherPoint:Coordinate) : number {
+      this.roundTo(Trips.sensitivity)
+      otherPoint.roundTo(Trips.sensitivity);
       return geolib.getPreciseDistance(this.glCoords,otherPoint.glCoords,geoLibAccuracy);
     }
 
@@ -136,6 +151,7 @@ export class GT2 {
            displayInterval:number = displayBeat * heartbeat;
     public distance:number        = 0.0;
            co2Rate:number         = 250.0;  
+           sensitivity:number     = 3;
            z:number               = 0.0;
 	  public v:number               = 0.0;
     public inProgress:boolean     = false;
@@ -152,7 +168,9 @@ export class GT2 {
 
     public deltaLoc(lastFix:any) {
  
-        var t:number = 0.0;
+        var t:number   = 0.0; 
+        var lat:number = 0.0;
+        var lon:number = 0.0;
         lastFix                = JSON.stringify(lastFix);
         let expoFix:expoGeoObj = JSON.parse(lastFix);  
 
@@ -165,18 +183,18 @@ export class GT2 {
 
         }      
 
-        this.trip.loc.set(expoFix.coords['latitude'],expoFix.coords['longitude']);
+        lat = expoFix.coords['latitude']; lon = expoFix.coords['longitude'];
 
-        if (Trips.startPoint.mLatitude == 0.0) 
+        this.trip.loc.set(lat,lon);
-            Trips.startPoint.set(this.trip.loc.mLatitude,this.trip.loc.mLongitude);
+
+        if (Trips.startPoint.mLatitude == 0.0) Trips.startPoint.set(lat,lon);
     
         t = expoFix.coords['accuracy']; if (t <  minExpoAccuracy )  return;
 
-        if (this.trip.lastFix.mLatitude == 0.0)
+        if (this.trip.lastFix.mLatitude == 0.0)             this.trip.lastFix.set(lat,lon);
-            this.trip.lastFix.set(this.trip.loc.mLatitude,this.trip.loc.mLongitude);
         else 
           {this.trip.ds += this.trip.lastFix.distanceTo(this.trip.loc);          
-           this.trip.lastFix.set(this.trip.loc.mLatitude,this.trip.loc.mLongitude);
+           this.trip.lastFix.set(lat,lon);
            if (debug > 10) console.log('delta ' + this.trip.ds);
            
           }
@@ -188,7 +206,6 @@ export class GT2 {
 
         this.trip.stop();
         this.inProgress = false;
-        if (this.distance < 250) this.distance = 0;
         this.trip.CO2   = ( this.distance / 1000 ) * this.co2Rate;
         this.nTrips++;
         
@@ -243,6 +260,7 @@ export class GT2 {
       'Destination:  ' + 'lat: ' + this.trip.loc.mLatitude.toFixed(8) +
                    ' long: ' + this.trip.loc.mLongitude.toFixed(8) + '\n' +             
       'CO2:                ' + this.trip.CO2.toFixed(1) + ' grams ' + this.CO2Effect + '\n\n' +
+      'CO2 Rate / Sensitivity: ' + this.co2Rate + " / " + this.sensitivity + '\n' + 
       'Distance covered while consuming fuel: ' + preferredUnits.toFixed(2) + ' ' + this.units );
        
     }

Ejectable/components/EndScreenInfo.tsx

@@ -19,9 +19,10 @@ export default function EndScreenInfo({ path }: { path: string }) {
         </Text>
         <TripSummary/>
         <Text
+          style = {styles.helpLinkText}
           lightColor="rgba(0,0,0,0.8)"
           darkColor="rgba(255,255,255,0.8)">
-          Min trip is 250 meters.
+          {'Min trip for carbon accounting\n is 250 meters.'}
         </Text>
       </View>
 

Ejectable/components/ScreenInfo.tsx

@@ -1,19 +1,17 @@
-import * as WebBrowser from 'expo-web-browser';
 import React from 'react';
 import { StyleSheet, TouchableOpacity } from 'react-native';
-
-import Colors from '../constants/Colors';
-import { MonoText } from './StyledText';
 import { Text, View } from './Themed';
+import * as Device from 'expo-device';
+import { withSafeAreaInsets } from 'react-native-safe-area-context';
 
 export default function ScreenInfo() {
   return (
     <View style={styles.settingsContainer}>
         <Text
-          style={styles.settingsText}
+          style={styles.switchText}
           lightColor="rgba(0,0,0,0.8)"
           darkColor="rgba(255,255,255,0.8)">
-          {'Switch dark: km, light: mi\nset fuel, or CO2 g per km'}                  
+          {'Switch dark: km, light: mi'}                  
         </Text>  
     </View>
   );
@@ -30,6 +28,31 @@ export function ScreenInfo2() {
     </View>
   );
 }
+export function ScreenInfo4() {
+  return (
+    <View style={styles.settingsContainer}>
+        <Text
+          style={styles.sensitive}
+          lightColor="rgba(0,0,0,0.8)"
+          darkColor="rgba(255,255,255,0.8)">
+          {'higher sensitivity may cause spurious motion at rest'}                
+        </Text>  
+    </View>
+  );
+}
+
+export function ScreenInfo5() {
+  return (
+    <View style={styles.settingsContainer}>
+        <Text
+          style={styles.sensitive}
+          lightColor="rgba(0,0,0,0.8)"
+          darkColor="rgba(255,255,255,0.8)">
+          {'set CO2 rate or use fuel type buttons below'}                
+        </Text>  
+    </View>
+  );
+}
 
 export function ScreenInfo3() {
   return (
@@ -38,20 +61,19 @@ export function ScreenInfo3() {
           style={styles.titleText}
           lightColor="rgba(0,0,0,0.8)"
           darkColor="rgba(255,255,255,0.8)">
-          Green Travel Calculator v. 2.0.0
+          Green Travel Calculator v. 2.0.4
         </Text>  
         <Text
           style={styles.versionText}
           lightColor="rgba(0,0,0,0.8)"
           darkColor="rgba(255,255,255,0.8)">
-          expo version
+          expo {Device.osName == 'iOS' ? 'iOS ' : 'android '} version
         </Text>  
         <Text
           style={styles.cautionText}
           lightColor="rgba(0,0,0,0.8)"
           darkColor="rgba(255,255,255,0.8)">
-          Spurious motion from expo location when at rest, addressed at end of trip and
+          {'\nNote: accuracy depends on sensitivity setting, your device, and carrier.'}
-          as good or better than 2011 app on 2.1.0.
         </Text>  
     </View>
   );
@@ -67,12 +89,21 @@ const styles = StyleSheet.create({
     marginHorizontal: 50,
     marginVertical: 20,
   },
+  sensitive: {
+    fontWeight: 'bold',
+    fontSize: 10,
+  },
   titleText: {
     color: 'white',
     fontSize: 17,
     lineHeight: 24,
     textAlign: 'center',
   },
+  switchText: {
+    fontSize: 10,
+    lineHeight: 24,
+    textAlign: 'center',
+  },
   settingsText: {
     fontSize: 17,
     lineHeight: 24,

Ejectable/package-lock.json

@@ -6039,6 +6039,14 @@
         }
       }
     },
+    "expo-device": {
+      "version": "3.3.0",
+      "resolved": "https://registry.npmjs.org/expo-device/-/expo-device-3.3.0.tgz",
+      "integrity": "sha512-kZ6HZpxGp3T3GrgbpW4VSFvH6SQZVD/dwPN+I3tlRPezaZ3LUj64kSZDKLgOi1H/9VCuUQdxjItoVZZuIWTX1A==",
+      "requires": {
+        "ua-parser-js": "^0.7.19"
+      }
+    },
     "expo-error-recovery": {
       "version": "2.2.0",
       "resolved": "https://registry.npmjs.org/expo-error-recovery/-/expo-error-recovery-2.2.0.tgz",

Ejectable/package.json

@@ -20,6 +20,7 @@
     "expo": "~42.0.1",
     "expo-asset": "~8.3.2",
     "expo-constants": "~11.0.1",
+    "expo-device": "^3.3.0",
     "expo-font": "~9.2.1",
     "expo-linking": "~2.3.1",
     "expo-location": "~12.1.2",

Ejectable/screens/SettingsScreen.tsx

@@ -2,30 +2,48 @@ import * as React from 'react';
 import { Alert, Button, StyleSheet, Switch, TextInput } from 'react-native';
 import { Text, View } from '../components/Themed';
 import { useState } from 'react';
-import ScreenInfo from '../components/ScreenInfo';
+import ScreenInfo,  { ScreenInfo4, ScreenInfo5  } from '../components/ScreenInfo';
 import { Trips } from '../GT2';
 import { RootTabScreenProps } from '../types';
 
+
 export default function SettingsScreen( { navigation }: RootTabScreenProps<'Settings'>) {
-  const [number, onChangeNumber] = React.useState("");
+  const [rate, setRate]  = useState("255");
+  const [sens, setSens]  = useState("3");
   const [isKM, setMiles] = useState(false);
   const toggleUnits = () => { setMiles(previousState => !previousState)
            Trips.units = isKM ? "km" : "mi";
   };
-
   return (
     <View style={styles.container}>
       <Text style={styles.title}>Model Settings</Text>
       <View style={styles.separator} lightColor="#eee" darkColor="rgba(255,255,255,0.1)" />
-       <ScreenInfo />
+       <Text style={styles.caption}>{'\nset custom CO2 rate or use buttons below'}</Text> 
-       <Switch
+       <View style={styles.inputs}>
-        style={styles.switch}
+       <TextInput   
-        trackColor={{ false: "#767577", true: "#81b0ff" }}
+        style={styles.input}
-        thumbColor={true ? "#f5dd4b" : "#f4f3f4"}
+        returnKeyType={'done'}
-        ios_backgroundColor="#3e3e3e"
+        onChangeText={rate => { setRate(rate); Trips.co2Rate = Number(rate);} }
-        onValueChange={toggleUnits}
+        value={rate}
-        value={isKM}
+        placeholder={Trips.co2Rate.toString()}
+        keyboardType="numeric"
        />    
+       </View>
+       <Text style={styles.caption}>{'\nsensitivity'}</Text>  
+       <View style={styles.inputs}>
+       <TextInput   
+        style={styles.input}
+        returnKeyType={'done'}
+        onChangeText={sens => { setSens(sens); 
+            var s = Number(sens);
+            if (s < 3 || s > 7) Alert.alert("Sensitivity must be greater than 2 and less than 8");
+            else Trips.sensitivity = Number(sens); }}
+        value={sens}
+        placeholder={Trips.sensitivity.toString()}
+        keyboardType="numeric"
+       />      
+       </View>  
+       <ScreenInfo4/>
        <View style={styles.controls} >
        <Button
          title="Jet"
@@ -52,13 +70,14 @@ export default function SettingsScreen( { navigation }: RootTabScreenProps<'Sett
           }
        />
        </View>
-       <TextInput   
+       <ScreenInfo />
-        style={styles.input}
+       <Switch
-        returnKeyType={'done'}
+        style={styles.switch}
-        onChangeText={onChangeNumber}
+        trackColor={{ false: "#767577", true: "#81b0ff" }}
-        value={number}
+        thumbColor={true ? "#f5dd4b" : "#f4f3f4"}
-        placeholder={Trips.co2Rate.toString()}
+        ios_backgroundColor="#3e3e3e"
-        keyboardType="numeric"
+        onValueChange={toggleUnits}
+        value={isKM}
        />
     </View>
   );
@@ -66,6 +85,10 @@ export default function SettingsScreen( { navigation }: RootTabScreenProps<'Sett
 
 
 const styles = StyleSheet.create({
+  caption: {
+    fontSize: 10,
+    justifyContent: 'center',
+  },
   switch: {
     marginVertical: 20,
   },
@@ -75,17 +98,23 @@ const styles = StyleSheet.create({
     justifyContent: 'center',
   },
   controls: {
-    marginVertical: 20,
+    marginVertical: 5,
     width: "80%",
     flexDirection: 'row',
     justifyContent: "space-between",
   },
+  inputs: {
+    marginVertical: 5,
+    width: "80%",
+    flexDirection: 'row',
+    justifyContent: "center",
+  },
   title: {
     fontSize: 20,
     fontWeight: 'bold',
   },
   separator: {
-    marginVertical: 10,
+    marginVertical: 2,
     height: 1,
     width: '80%',
   },
@@ -95,4 +124,10 @@ const styles = StyleSheet.create({
     borderWidth: 1,
     padding: 10,
   },
+  input2: {
+    height: 40,
+    margin: 30,
+    borderWidth: 1,
+    padding: 10,
+  },
 });

Ejectable/screens/TripScreen.tsx

@@ -71,7 +71,7 @@ export default function TripScreen( { navigation }: RootTabScreenProps<'Trip'>)
         title={sButtonText}
         onPress={() => {
           if (!getAdvised()) {
-            Alert.alert("2.0.0 foreground only, 2.1 first production.");
+            Alert.alert("2.0.n runs in foreground only.");
             setAdvised();
           }
           if (!Trips.inProgress) {startTrip();