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Development of PC-based Electronic Teaching and Learning Materials for De- scriptive Geometry

Computer Aided Drafting,Design and Manufacturing 2013年第3期23卷 58-64页

作者： LI Shao-jing soichiroh inoue Tohru KANADA Graduate School of Mechanical Engineering Kanto Gakuin University Department of Mechanical Engineering Kanto Gakuin University Department of Science and Engineering Kanto Gakuin Univeristy

Descriptive geometry is very important and recognized as a basic skill and knowledge for mechanical engineering student. In this study, PC-based electronic teaching/learning materials for descriptive geometry are created using Flash, which is a typical animation creator. Furthermore, several axonometric representations, created by 3D-CAD, SolidWorks, for 3D objects are auxiliary materials to promote understanding of descriptive geometry. The axonometric representations in 3D-CAD are also dynamic, in other words, a viewpoint can be moved free. The movement of 3D model in a PC monitor can be recorded using a normal function of SolidWorks and replayed by typical animation software. The developed materials are excellent at accuracy of drawing, repeatability of self-study and visual attraction in comparison to oral presentation using still image and inaccurate drawing on a textbook or blackboard in a classroom. Actually, questionnaire survey results present favorable impressions from student-users, although they point out the further improvement in the replaying speed. The replaying speed can be controlled easily by using a normal function of Flash. In addition, usual playback software for animation has functions of pause and replay on demand and, thus, it is not contro-versial.

关键词： Electronic teaching material descriptive geometry moving image animation creator Flash 3D-CAD SolidWorks questionnaire survey

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