orientation arrow to the x-axis

src/app/components/map/map.component.ts

@@ -152,8 +152,8 @@ export class MapComponent implements OnInit {
     // --- Orientation
     if ('x' in point) {
       let orient: RelativePos = {
-        "x": point.x + (theta ? Math.sin(theta)*3 : 0), 
-        "y": point.y + (theta ? Math.cos(theta)*3 : 3.5),
+        "x": point.x + (theta ? Math.cos(theta)*3.5 : 3.5), 
+        "y": point.y + (theta ? Math.sin(theta)*3.5 : 0),
         "z": point.z
       }
       let globPointOrient = this.ref2root(orient)