A. Survey results of department of interior design courses fr om universities
1) Development trend of departments of interior design: The Department of Interior Design of Chung Yuan Christian University (CYCU) was founded in 1985. There are currently 24 universities that have established interior design related departments or groups. Since 2002, new interior design departments have been established every year.
2) Survey of interior design drawing courses In this study, independent departments named "Interior Design" (excluding "Interior Space Design", "Space Design" or "Interior Design" programs from dependent departments) are chosen as the targeted subject of the survey. Therefore, the departments of interior design from Chung Yuan Christian University (CYCU), Tainan University of Technology (TUT), Shu-Te University (STU), National Taichung Institute of Technology (NTIT) , China University of Technology (CUT), Nan Jeon Institute of Technology (NJIT), Tung Fang Design University (TFDU), and Hwa Hsia Institute of Technology (HHIT) were used as the research subject of this study.
The required credit points for graduating from departments of interior design of each university should be from 128 to 140, among which CYCU has the highest credit points, and the average graduation credits of each school is 133. The required credits of the course "drawing" range from 8 to 25, and the average is 16, which is 12% of the total required credits for graduating. Among which TUT ranked the lowest with 8 credits and NJIT ranked the highest with 25 credits. The elective credits of "drawing" range from 0 to 22, which is 17% of the total required credits for graduating.
The names of courses in departments of interior design include drawing, sketch, working drawing, basic drawing of interior design, advanced design drawing, delineation (presentation techniques), space delineation, painting creation, perspective and shadow, watercolor, painting, shapes and symbols. Courses that require computer application include computer aided drawing, computer aided design, engineering geology, animation drawing outline, and delineation of computer art creation. Courses that all schools have opened include drawing, working drawing, presentation drawing and computer aided drawing. Drawing courses are listed for freshman students as the introduction to interior design. With engineering drawing as the original basis, the basic standards and skills in drawing, basic knowledge in projection (front view, isometric drawing), basic principle and technique of perspective drawing and shadows is taught in this course. As for teaching students the ability to understand drawings and drawing ability of interior design, it is often arranged in other courses such as working drawing, interior design, interior architecture facilities, interior physical environment control, lighting design, human factors engineering and architecture interior laws.
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B. Analysis of the Expert Interview Results
1) Experience and Judgment on the Integrity of Drawings.Divergence was seen in the comments on "able to completely work based on drawings or not". However, no matter which interviewees believed in, it means that "degree of work completion based on drawings" ranges between 75% and 92%. "Incomplete drawings" mainly includes plans, elevation, sectional drawings, working drawings, enlarged detail drawing and node drawing. "Incomplete content" includes missed markings and wrong markings of dimensions, unclear standard value and incomplete word description, incomplete markings of material quality and construction datum line (dot). Incomplete drawings will cause the problems such as excessive on-the-spot communication time, execution errors, cost raise, overtime and engineering dispute etc.
2) Past Drawing Experience:Drawing professions and abilities interviewees learn in school include drawing concept, plan concept, space concept, working drawing, hand drawing drafts, quick sketch, perspective and rendering and other related computer graphics software. 3) Cognition and Experience During Empl oyment: The properties of the first job interviewees took included on-thespot management, design and drawing; and the posts included assistants, assistant designers or assistant engineers, designers or engineers, and superintendents or directors. All interviewees believed that there are differences in the drawing profession or ability needed for a job and the professions one learns at school, which include lack of knowledge in materials, inaccurate illustration indications, unfamiliarity with scales commonly used, and unfamiliarity in structural construction. Ways to overcome these differences include work educational training, work organization learning and self-learning. 4) Devel opment of Pr ofessional Drawing Ability Regarding the "drawing ability currently most skilled in", hand drawing abilities included draft, quick sketch, perspective and color drawing, and computer graphics included AutoCAD, 3DSmax, SketchUp, Space Magician, InteriCAD, Photoshop, Illustrator and Painter. "Source of professional drawing ability cultivation" includes school education, workplace education training, job training learning, and self-learning. The reason "computer graphic is unable to completely replace hand drawing" is that people are still used to developing design ideas by hand drawing and sketching. Interviewees believed that industry newcomers are unable to meet the standards of abilities required in interior design, and an average of one year and above must be spent in order to completely grasp this aspect. According to all the interviewees, different companies have different demands in drawing, and different companies demand different integrity in drawing. 5) C ognition on Employing Workers The construction method, space concept, dimension marks and on-the-spot concept of "drawing concept", and the draft, quick sketch, perspective and rendering of "hand drawing" and "computer graphics"(including AutoCAD, 3DSmax, SketchUp, Space Magician and InteriCAD) are the parts that the industry places importance on. All the interviewees indicated that in terms of drawing related professional knowledge, the condition of newly graduated freshman of the industry is different to the condition in which the interviewees had just graduated. The main difference is the interviewees are more skilled in hand drawing, whereas industry newcomers nowadays tend to be more skilled in applying computer software. 6) Other Suggestions All interviewees believed that it is more likely for interior design talent to be trained to meet the needs of the industry in workplaces than schools. The reason for this is "in comparison with school education, workplaces provide 553 relatively more pragmatic and more practical ideas that meet the concept of companies"
