The Japan Society for Graphics Science undertook a survey on the education of graphic science and related subjects at Japanese universities and colleges from 2002 to 2003. The items surveyed were subject name, implementation details, ability being trained, subject content, etc. The principal results of the survey are as follows. 1) With regard to the ability being trained, the importance is placed on drawing ability and information transmission ability by the use of drawings, while less importance is placed on the abilities to generate and analyze threedimensional shapes, i. e., geometrical abilities. 2) A lot of importance is still placed on hand drawing (descriptive geometry), though the introduction of CG/CAD is progressing in graphic science and related subjects.

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This paper is intended as a consideration of prot-axonometric projection on“Bellicorum instrumentorum liber” (1418-ca.1420) of artist-engineer's Giovanni Fontana in Early Renaissance Padua. I consider the subject under the following heads : (1) the analysis of the 25 figures based on prot--axonometric projection, (2) the consideration of the drawing method of Fontana. These analysis lead to the conclusion that 1) Fontana used the 4 type of the prot--axonometric projection which is a) “Parallel”, b) “V Shape”, c) “Parallel-V shape”, d) “V shape-Parallel”. 2) The drawing of “V Shape” base on medieval optics. 3) The drawing of “Parallel-V shape” is followed Valturius's “De re militari” as the drawing method for engineer.

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In conjunction with the rapid growth of information education in recent years, it is necessary to research comprehensible digital contents, and to develop straightforward contents by at a glance. However, the ordinal contents include many technical terms, and it makes difficult to understand the meanings. Moreover, 3 dimensional objects are often displayed as 2 dimensional that is as plane like a picture. Especially, the number of educational contents is few in the field of archeology etc. Therefore, this paper proposes“interactive educational contents using visual symbols”to investigate the Kitora tomb. Therefore, we manufacture for trial that a visual information display function by using pictograms, a peeking viewer, a section cutting function. In addition, the questionnaire survey was done on an actual educational site, and evaluates the effectiveness of the system.

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