/**
   * Apply the model's position, orientation, and scale to a COLLADA root.
   *
   * @param root COLLADA root to configure.
   */
  protected void configureColladaRoot(ColladaRoot root) {
    root.setResourceResolver(this);

    Position refPosition = this.model.getLocation().getPosition();
    root.setPosition(refPosition);
    root.setAltitudeMode(KMLUtil.convertAltitudeMode(this.model.getAltitudeMode()));

    KMLOrientation orientation = this.model.getOrientation();
    if (orientation != null) {
      Double d = orientation.getHeading();
      if (d != null) root.setHeading(Angle.fromDegrees(d));

      d = orientation.getTilt();
      if (d != null) root.setPitch(Angle.fromDegrees(-d));

      d = orientation.getRoll();
      if (d != null) root.setRoll(Angle.fromDegrees(-d));
    }

    KMLScale scale = this.model.getScale();
    if (scale != null) {
      Double x = scale.getX();
      Double y = scale.getY();
      Double z = scale.getZ();

      Vec4 modelScale = new Vec4(x != null ? x : 1.0, y != null ? y : 1.0, z != null ? z : 1.0);

      root.setModelScale(modelScale);
    }
  }