code: public Point3d getCoordinatesFromGridPoint(Point3d gridPoint) {
          double dx = minx + latticeConstant * gridPoint.x;
          double dy = miny + latticeConstant * gridPoint.y;
          double dz = minz + latticeConstant * gridPoint.z;
          return new Point3d(dx, dy, dz);
      }
docs: Method calculates coordinates from a given grid point.