Damon Wise Iranian director Firouzeh Khosrovani has won the IDFA award for Best Feature-Length Documentary with “Radiograph of a Family,” a film that uses an intimate study of her parents’ marriage—her father was secular, Westernized and progressive, while her mother was a devout, traditional Muslim—to explore the divisions in Iranian society both in the run-up and aftermath of the Iranian Revolution in 1979.The jury, which comprised Marie-Pierre Macia, Ed Lachman, Alice Diop, Abdelkader