code: public boolean isIntersecting(double xmin_, double ymin_, double xmax_, double ymax_) {
  		// No need to check if empty, this will work for empty geoms too (IEEE
  		// math)
  		return ((xmin <= xmin_) ? xmax >= xmin_ : xmax_ >= xmin) && // check
  																	// that x
  																	// projections
  																	// overlap
  				((ymin <= ymin_) ? ymax >= ymin_ : ymax_ >= ymin); // check that
  																	// y
  																	// projections
  																	// overlap
  	}
docs: Checks if this envelope intersects the other.
  @param xmin_
  @param ymin_
  @param xmax_
  @param ymax_
  @return True if this envelope intersects the other.