When I compile Patented directory in CMake,there is an error occured.It showed "Unknown CMake command 'VTK_MAKE_INSTANTIATOR2' in CMakeLists.Txt". I don't know why. _________________________________________________________ Do You Yahoo!? 新鲜到底,娱乐到家 - 雅虎推出免费娱乐电子周报! http://cn.ent.yahoo.com/newsletter/index.html