请问如何确定这两个高亮小区域的大概位置（坐标）？
http://wenku.baidu.com/link?url=wZl5YqI6Va8WXPtfPz733OMFEBU4z69Emyzi0RnKJlEygWMm9h2XwaUGnYhEfy5Un51t0b5atqtNnsL5Aw1Sn-nd2WABEvfRN2Opm1nMMTG
