Research Article

Picture Preview Generation for Interactive Educational Resources

Algorithm 1

GenerateDR(E, DR).
Input:
elements set E; preliminary dependencies set DR
Output:
DR
(1)interactElementToDepElements = {}
(2)staticElementToDepElements = {}
(3)fordo
(4)  dfsTimes = 0
(5)  dependentElements = []
(6)  temp = 0
(7)  
(8)  if
(9)   
(10)  end if
(11)end for
(12)fordo
(13)  dfsTimes = 0
(14)  dependentElements = []
(15)  temp = []
(16)  
(17)  if
(18)  
(19)  end if
(20)end for
(21)clear DR
(22)
(23)return DR