code: private static boolean polylineDisjointEnvelope_(Polyline polyline_a,
  			Envelope envelope_b, double tolerance,
  			ProgressTracker progress_tracker) {
  		Envelope2D env_a = new Envelope2D(), env_b = new Envelope2D();
  		polyline_a.queryEnvelope2D(env_a);
  		envelope_b.queryEnvelope2D(env_b);
  
  		if (envelopeInfContainsEnvelope_(env_b, env_a, tolerance))
  			return false;
  
  		return !linearPathIntersectsEnvelope_(polyline_a, env_b, tolerance,
  				progress_tracker);
  	}
docs: Returns true if polyline_a is disjoint from envelope_b.