JoeKung/Progetto-m152-Angular
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

fix input on getDistanceBetweenCoordinates

Browse Source
This commit is contained in:
Joe Küng
2023-04-15 15:08:25 +02:00
parent 4815707b89
commit 9d38faaba4
1 changed files with 3 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
src/app/service/position.service.ts
View File

@@ -1,5 +1,5 @@
import {Injectable} from '@angular/core'; import {Injectable} from '@angular/core';
import{Cord} from "../interface/cord"; import {Cord} from "../interface/cord";
@Injectable({ @Injectable({
providedIn: 'root' providedIn: 'root'
@@ -26,7 +26,7 @@ export class positionService{
} }
}*/ }*/
getDistanceBetweenCoordinates(lat1: number | undefined, lon1: number | undefined, lat2: number, lon2: number) { getDistanceBetweenCoordinates(lat1: number | undefined, lon1: number | undefined, lat2: number, lon2: number): number{
if (lat1 === undefined || lon1 === undefined) { if (lat1 === undefined || lon1 === undefined) {
console.log('lat1 or lon1 is undefined') console.log('lat1 or lon1 is undefined')
return 0; return 0;
@@ -38,8 +38,7 @@ export class positionService{
Math.cos(this.deg2rad(lat1)) * Math.cos(this.deg2rad(lat2)) * Math.cos(this.deg2rad(lat1)) * Math.cos(this.deg2rad(lat2)) *
Math.sin(dLon / 2) * Math.sin(dLon / 2); Math.sin(dLon / 2) * Math.sin(dLon / 2);
const c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1 - a)); const c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1 - a));
const distance = earthRadius * c; // Distanza in km return earthRadius * c;
return distance;
} }