code: static boolean pointDisjointEnvelope_(Point2D pt_a, Envelope2D env_b,
  			double tolerance, ProgressTracker progress_tracker) {
  		Envelope2D env_b_inflated = new Envelope2D();
  		env_b_inflated.setCoords(env_b);
  		env_b_inflated.inflate(tolerance, tolerance);
  		return !env_b_inflated.contains(pt_a);
  	}
docs: Returns true if pt_a is disjoint from env_b.