JoeKung/Progetto-m152-Angular
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detail + position modifiche

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This commit is contained in:
tito
2023-04-15 12:30:52 +02:00
parent d61e6b7a87
commit 4ccb2d5075
3 changed files with 16 additions and 2 deletions
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15
src/app/service/position.service.ts
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@@ -7,7 +7,7 @@ import{Cord} from "../interface/cord";
export class positionService{
cord: Cord = { lat: 0, lon: 0 };
getDistanceBetweenCoordinates(lat1: number | undefined, lon1: number | undefined, lat2: number, lon2: number) {
/*getDistanceBetweenCoordinates(lat1: number | undefined, lon1: number | undefined, lat2: number, lon2: number) {
if (lat1 === undefined || lon1 === undefined) {
console.log('lat1 or lon1 is undefined')
return 0;
@@ -24,8 +24,21 @@ export class positionService{
// Distance in km
return earthRadius * c;
}
}*/
getDistanceBetweenCoordinates(lat1: number, lon1: number, lat2: number, lon2: number) {
const earthRadius = 6371; // Raggio della Terra in km
const dLat = this.deg2rad(lat2 - lat1);
const dLon = this.deg2rad(lon2 - lon1);
const a = Math.sin(dLat / 2) * Math.sin(dLat / 2) +
Math.cos(this.deg2rad(lat1)) * Math.cos(this.deg2rad(lat2)) *
Math.sin(dLon / 2) * Math.sin(dLon / 2);
const c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1 - a));
const distance = earthRadius * c; // Distanza in km
return distance;
}
deg2rad(deg: number) {
return deg * (Math.PI / 180)
}