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http://dx.doi.org/10.11108/kagis.2017.20.3.080

Calculation of the Duration of Sunshine Using a Three-Dimensional Spatial Information Open Platform  

PARK, Ji-Hye (Department of Civil Engineering, Pukyong National University)
SUH, Yong-Cheol (Department of Civil Engineering, Pukyong National University)
Publication Information
Journal of the Korean Association of Geographic Information Studies / v.20, no.3, 2017 , pp. 80-89 More about this Journal
Abstract
Due to urban growth and increasing population density, many large cities contain building forests. Moreover, due to increasing demands for pleasant residential environments, there is growing concern over the encroachment of sunshine. Although research on related laws and other related fields is emerging, there is a limit to the extent to which the public can easily determine the amount of sunshine per building without referral to specialized agencies. Therefore, in this study, the duration of sunshine per building object was calculated via a simulation of urban shaded area using a spatial information open platform application programming interface. The study area was the'L'apartment complex located in the new city, Haeundae, Busan, China. To perform the duration of sunshine simulation for three-dimensional urban spatial objects, the building height was extracted from pre-built three-dimensional spatial information data, and the position of the sun was determined from calculations of the altitude and azimuth of the sun. This study provides a more precise and easier method of judging whether sunshine is impeded from reaching buildings by quantitatively analyzing sunshine and classifying the total duration of sunshine and the continuous duration of sunshine on each object.
Keywords
Duration of Sunshine; Right of Sunshine; Three-Dimension; Spatial Information; Open Platform;
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