Merge pull request #250 from geoblocks/fix_swisstopo_first_last

fix: wrong profile first and last coord

Author: fredj

src/profiler/ExtractFromSegment.ts

@@ -30,11 +30,10 @@ export default class ExtractFromSegment implements Profiler {
           .clone()
           .transform(this.projection, 'EPSG:4326');
 
-        const coordinates = geometry.getCoordinates();
         const coordinates_4326 = geometry_4326.getCoordinates();
 
-        for (let i = 0, ii = coordinates.length; i < ii; i++) {
-          const coos = coordinates[i];
+        for (let i = 0, ii = coordinates_4326.length; i < ii; i++) {
+          const coos = coordinates_4326[i];
           const m = i === 0 ? 0 : getDistance(coordinates_4326[i - 1], coordinates_4326[i]);
           accDistance += m;
           profile.push([coos[0], coos[1], coos[2], accDistance]);

src/profiler/SwisstopoProfiler.ts

@@ -57,8 +57,8 @@ export default class SwisstopoProfiler implements Profiler {
     // must not be modified, the API rounds the coordinates.
     // Therefore, we need to update the first and last coordinates of the profile with the
     // original coordinates.
-    profile.at(0).splice(0, 2, ...geometry.getCoordinateAt(0));
-    profile.at(-1).splice(0, 2, ...geometry.getCoordinateAt(-1));
+    profile.with(0, profile.at(0).slice(0, 2, ...geometry.getCoordinateAt(0)));
+    profile.with(-1, profile.at(-1).slice(0, 2, ...geometry.getCoordinateAt(-1)));
 
     segment.set('profile', profile);
   }