Seperate internal and API methods for the map

src/ol/interaction/PinchZoom.js

@@ -91,7 +91,7 @@ class PinchZoom extends PointerInteraction {
     const centroid = centroidFromPointers(this.targetPointers);
     centroid[0] -= viewportPosition.left;
     centroid[1] -= viewportPosition.top;
-    this.anchor_ = map.getCoordinateFromPixel(centroid);
+    this.anchor_ = map.getCoordinateFromPixelInternal(centroid);
 
     // scale, bypass the resolution constraint
     map.render();