This web gives a demonstration of symmetry transformations, which show the position of the mirror plane leaving the object invariant by the reflection.
The purpose of this interactive demonstration is to discover some symmetry properties of geometrical objects, crystal forms or molecules.
Wes Hardaker and Gervais Chapuis
University of Lausanne, Switzerland
Summary by 何莉 on 2004-01-02
Last updated by 杨宏伟 on 2004-07-20