Internet has gradually demonstrated more and more superiority in modern education system. The intelligent online drawing platform based on net will provide learners with a studying environment without limitation in time and space. Based on the theory of graphics, this paper developed an intelligent online drawing platform (IODP) with Java through analyzing the teaching character of descriptive geometry. IODP developed not only has a flexible drawing environment with the function of mutual drawing, but also is able to judge the drawing made by students and give feedback at the same time. This platform gives an effective way for Internet education on engineering graphics.
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