| With the rapid development of modern cities, urban space is increasingly complex. It is important for citizens to have a good city orientation design to live and work in complex spaces.Visual orientation design is an orientation design by which space environment-oriented information communicated the form of visual information. How can the information contained in visual orientation be communicated? How can it be communicated effectively? They are the important issues needs to be studied in the field of visual orientation design. Based on the scientific principles of information and the cognitive psychology, this article analyses the process to receive information, emphasizes the importance of information theory and cognitive theory which guide the design of visual orientation. At the same time, illuminated by information science and cognitive theory, this article analyzes the factors influencing the effective communication of visual-oriented information, and explores the perceptual design methods guided by the. rational science. |