Abstract
In this study, Japanese cityscapes in the Tokyo metropolitan district are depicted by using algorithmic computer graphic configurations. A numerical analysis of the three-dimensional configuration is performed to grasp the characteristics of its form. The distributions of the heights of the buildings in the city blocks are observed to be similar to a normal distribution. As random numbers based on a normal distribution can be generated using the mean and variance as parameters, it is possible to generate the forms of cityscapes using computer graphics configurations. The planar shapes of buildings are able to be extracted from map data. Map data indicating the planar forms of buildings throughout Japan are provided by the Geospatial Information Authority of Japan. However, the heights of buildings are not included in the map data. We attempt to generate cityscapes automatically. We reproduced the appearance of a cityscapes using this approach.
Highlights
INTRODUCTIONThe objective of this study is to create cityscapes using algorithmic computer graphic configurations
The objective of this study is to create cityscapes using algorithmic computer graphic configurations.In Japanese cities, especially in the multiple city centres of the Tokyo metropolitan district, buildings are distributed diversely
Map data containing the planar forms of buildings throughout Japan are provided by the Geospatial Information Authority of Japan [1]
Summary
The objective of this study is to create cityscapes using algorithmic computer graphic configurations. The heights of the buildings are diverse and apparently random. Such diversity and randomness are observed within individual city blocks, and within entire neighbourhoods, where low-rise and mid-to-high-rise buildings are densely and randomly crowded together. The mixture of these city blocks forms a threedimensional (3D) cityscape and gives rise to its characteristics (see Figure 1). The planar shapes of buildings can be extracted from map data. Map data containing the planar forms of buildings throughout Japan are provided by the Geospatial Information Authority of Japan [1]. There are several ways to survey and determine the heights of buildings, we do not perform a survey in this study, but rather, attempt to generate cityscapes automatically
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