text: # init for information_gathering
  
  from .Evaluator import PathEvaluator, PathEvaluatorWithRadius, PathEvaluatorAlongPath, applyBudget
  from .MaskedEvaluator import MaskedEvaluator
  from .StochasticOptimizer import StochasticOptimizer
  from .InfoField import random_field2d, random_multi_field2d
  