Abstract
This paper initially proposes a new model about the mechanical computer graphics' teaching system based on cases. It elaborates on thoughts of characteristics of computer graphics, case selection, mechanical student interests and desired leaning outcomes. Then, the paper presents the implementation of mechanical CG case teaching. According to the characteristic of CG and mechanical students, we design a synthetic computer scenes case in which all theories or algorithms of CG are included. This new teaching model is applied to two grades of students, the final results proved that the efficiency and quality of teaching have been improved in practice.
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