Abstract
The traditional methods of urban landscape planning and design cannot integrate designs into the entire planning scenes planning processes, and cannot efficiently, intuitively and coordinately express planning effects of multiple schemes and large scenes. With the development of computer science and technology, virtual reality (VR) technology, which is based on similar theory, mathematical theory, control theory, and graphics processing theory, is playing an important role in many aspects of urban landscape planning and design. On the basis of summarizing and analyzing previous research works, this article expounded the research status and significances of three-dimensional (3D) visualized urban landscape planning and design, elaborated the development background, current status and future challenges of VR technology, introduced the methods and principles of spatial roaming sorting algorithm and evaluation indicator screening and system construction, established 3D database and virtual scene model of urban landscapes, performed 3D visualized urban landscape modeling, realized 3D presentation of virtual scene landscape, discussed the integration and optimization of landscape design schemes, analyzed the 3D modeling and interactive adjustment of the landscape planning and design schemes, and finally conducted simulation experiment and its result analysis. The results show that the VR technology provides designer with realistic information processing effects through intelligent drawing, full display and timely information, which greatly improves design efficiency and effectively promotes design quality; the 3D visualized technology can transmit a large number of information through graphics in a short time, enabling professionals to intuitively and quickly observe test results or interactively process these results.
Highlights
Urban landscape refers to the sceneries or scenes of urban geographical spaces, which is a product of the interaction between natural landscape and artificial landscape
With the continuous development of computer science and technology, virtual reality (VR) technology, which is based on similar theories, mathematical theories, control theory, information processing technology, and computer technology, is playing an important role in many aspects of urban landscape planning and design [4]
The planning and design results are made into a VR system, which breaks through the limitations of traditional renderings, can fully display the effects of the planning plan after completion, and communicate with decision makers and visitors intuitively in the form of roaming on any path
Summary
Urban landscape refers to the sceneries or scenes of urban geographical spaces, which is a product of the interaction between natural landscape and artificial landscape. On the basis of summarizing and analyzing previous research works, this article expounds the research status and significances of 3D visualized urban landscape planning and design, elaborates the development background, current status and future challenges of VR technology, introduces the methods and principles of spatial roaming sorting algorithm and evaluation indicator screening and system construction, establishes 3D database and virtual scene model of urban landscapes, performs 3D visualized urban landscape modeling, realizes 3D presentation of virtual scene landscape, discusses the integration and optimization of landscape design schemes, analyzes the 3D modeling and interactive adjustment of the landscape planning and design schemes, and conducts simulation experiment and its result analysis. The detailed chapters of this article are arranged as follows: Section 2 introduces the methods and principles of spatial roaming sorting algorithm and evaluation indicator screening and system construction; Section 3 establishes 3D database and virtual scene model of urban landscapes and realizes 3D presentation of virtual scene landscape; Section 4 analyzes the 3D modeling and interactive adjustment of the landscape planning and design schemes; Section 5 conducts simulation experiment and its result analysis; Section 6 is conclusion
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