The Interactive Multimedia Software Design Of Point Groups And Symmetry Operations

Symmetry of molecular and crystal have been the key subjects of study chemistry, physics, materials. It is important in understanding of spectrum, crystal structure and the nature of the relationship between the macro by mastering of their description. Point groups and its symmetry operations are an important part in many professional courses, but because of its abstract nature, books describing limitations make it difficult in understanding. In view of devoted point groups and symmetry operations of educational software is also rare, we design the software "point groups and symmetry operations"The software deal with the animate demonstration of abstract concept and process of molecular point groups, and the expression of computer three-dimensional animation and interactive design for crystallograhic point groups were designed. Specific content included molecular symmetry elements and symmetric operation,The basic concept of group,the molecular point groups,crystall symmetry elements and symmetric operation,32 crystallograhic point groups,the symmetry elements of seven crystal system,14 kinds of space lattice type.Introduced 10 categories of molecular point groups symmetry operation and 32 kinds of crystallograhic point groups symmetry elements. Using 3DS MAX to do stereogram and three-dimensional animation, using PhotoshopCS to do the picture of background, button, icon, Using Cult3D to do three-dimensional interactive technology,. Using object-oriented multimedia development tool-Director MX2004 to assemble the software and produce the installation.The paper introduced the main contents,function design idea,design tools,key technique,method of application,feature and effect.Software has integrity knowledge system, covers the the important knowledge of point groups and symmetry operations; performance of diverse forms, text, animation, interactive control model combining reveals the rich content and scientific principlesof point groups and its symmetry operations; handsome interface, realistic 3D animation and flexible interactive control make the dry contents and the abstract theories into the image, direct and vivid demonstration. For learners of the learning provides a great convenience,it is the main supporting material of point groups symmetry.