Page 45 - JCAU-6-3

Journal of Chinese
Architecture and Urbanism Utilization of rural heritage

Figure 3. Visual environment data of each sample point. Source: Graph by the authors

Figure 4. Level of stress (LS) data of each sample point. Source: Graph by the authors

inflation factor (VIF) was used to evaluate the degree to and individual environmental elements. Thus, the stress
which each independent variable is influenced by the and physical environment data obtained from each SP in
remaining independent variables when temporarily public spaces were separately averaged, while the visual
treated as a dependent variable. Elevated VIF values environment data were amalgamated to assess variations
indicate increased multicollinearity. Therefore, the among different SPs (Figure 6).
regression model eliminated variables displaying VIF The average LS range falls within the normal value of
values exceeding 7.5 and γ < −0.85 or γ > 0.85. 30 – 59, as stated on Huawei’s official website (Huawei,
(iv) After the previous step, the remaining variables were 2023b), with values ranging 47 – 57.17. SP6 exhibits the
set as independent variables, and LS was set as the highest average LS at 57.17, whereas SP2 has the lowest
dependent variable. Multiple linear regression analysis at 47. SP6 represents a linear roadway space flanked by
was then performed to explore the spatial elements courtyard walls adorned with green climbing plants and
affecting the values of LS. wooden vine shelves in the thoroughfare’s upper section.
In the fifth phase, an optimization design strategy was This secluded and small-scale area is dimly lit and attracts
developed. Based on the results of the data analysis, the few tourists. Conversely, SP2 primarily displays cultural
optimal design strategy for the public space was formulated landscapes within a former celebrity residence. The
with the goal of effectively relieving user pressure. courtyard features a planted tree and low walls adorned
with shrubs such as bananas. Adjacent to this courtyard
3. Results is a cultural exhibition hall, while outside flows a stream
3.1. Environmental and stress data approximately 2 m wide. Due to its location at the end of
the branch, natural sounds, such as wind and underwater
3.1.1. Characteristics of data noises, dominate the acoustic environment. The average
Considering that the environmental data were collected LS data are categorized into three intervals using an
concurrently with the stress data, employing the mean equipartition method: 47 – 50.39 for low LS, 50.40 – 53.78
values of these variables in this study facilitates a more for medium LS, and 53.79 – 57.17 for high LS. Among the
comprehensive exploration of the association between LS 26 SPs analyzed in this study, ten exhibit low LS readings,

Volume 6 Issue 3 (2024) 6 https://doi.org/10.36922/jcau.2481