![]() Qiu analyzed the relationship between subjective/objective perceptions on streetscapes and the percentage increase in sales price by using visual preference evaluations of 300 street view photos in the experiment. Over the last few decades, many researches, conducted on interactions between the physical characteristics of a landscape and the psychological responses of those landscape recipients, has proved that streetscape photographs or Virtual Reality used in place of actual landscapes were considered a valid medium for such researches. ![]() ![]() Thus, this article aims to identify people’s preference towards pedestrian streets under the interactive influence of outdoor space characteristics and plant characteristics, for purpose of providing valuable guidance for practical design.Ģ.1 Methods of visual preference evaluations for urban environment In this case, this study verifies the influence of outdoor space characteristics and plant characteristics on the evaluation of visual preference, and then reveal the effect of plant characteristics in different outdoor space on visual preference evaluation. In contrast, the correlation between plant characteristics and outdoor spatial characteristics has rarely been studied. However, plant characteristics are more often than not taken as a static variable of streets in most of the previous studies. Correlations exist between the spatial characteristics and the components of plant landscapes. Kaplan and Kaplan proposed that landscape perception studies should be conducted from two dimensions, namely, spatial characteristics and plant characteristics, which are composed of specific elements of plant landscapes. Studies on the visual quality of commercial pedestrian streets have been widely conducted. Therefore, the study of pedestrian street users’ visual preferences for outdoor space can improve the overall environment and walking comfort, which is of great benefit for promoting regional consumption and projecting good urban images. Lekagul maintained that appropriate scientific research and observation on outdoor landscapes, which serve as an integral component of commercial pedestrian streets, through which the design logicality and corresponding reference value of commercial pedestrian streets as a public area can be greatly enhanced should be conducted. This study provided design schemes to enhance the visual quality of landscapes by improving landscape characteristics in similar outdoor spaces.Īs important shopping and leisure sites for urban residents and tourists, modern commercial pedestrian streets not only meet people’s daily needs but also offer outdoor cultural and art stages, fitness facilities, landscape parks and other multielement living facilities. Specifically, the richer the vertical structure and the bigger number of colours were, the higher the preference score. (c) When benches were available, people preferred streets with plants on one or both sides, fewer plant colours (one or two kind of colours) and better plant growth status. (b) When there were only one or two types of signage hanging, people preferred streets with a moderate planting density (50–100 plants/km) and there were three or more types of signage hanging, people preferred the plants with low linear density (50 plants/km or less) and that were arranged along one or two sides of the street. People did not like the way that plants are lined in the middle of a street. Conversely, they preferred streets with relatively low trees (3–6 m), a higher planting density (100–200 plants/km) and two or more vertical layers of plants. ![]() The main results were as follows: (a) When arcade spaces were available, people prefer streets with taller trees and a lower planting density (50 plants/km or less). With the outdoor landscapes along commercial pedestrian streets in the region south of the Five Ridges as the research objects, this study revealed the public’s different preference evaluations of the landscapes under the reciprocal effects of street characteristics. However, people’s preferences were not sufficiently considered and reflected in the outdoor space and landscape design. Chinese commercial pedestrian streets have developed rapidly in recent years.
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