基于參數(shù)化技術(shù)的數(shù)字城市三維建模方法
發(fā)布時間:2018-06-13 13:29
本文選題:數(shù)字城市 + 三維建模; 參考:《浙江大學(xué)》2013年碩士論文
【摘要】:隨著各地數(shù)字城市(智慧城市)建設(shè)的推進(jìn),大尺度三維建模方法的研究日益受到重視。將參數(shù)化技術(shù)應(yīng)用于城市三維場景建模,日益受到學(xué)界和企業(yè)界的重視。本文基于CityEngine的參數(shù)化建模技術(shù),對城市兩類重要目標(biāo)道路和建筑的參數(shù)化建模進(jìn)行了研究,通過擴展現(xiàn)有規(guī)則,創(chuàng)建了符合國內(nèi)實際的城市道路與建筑三維建模的規(guī)則模板。以杭州市城西某一街區(qū)為實驗區(qū),以道路中心線和建筑物平面輪廓為初始的建模對象,應(yīng)用所創(chuàng)建的、面向道路和建筑的建模規(guī)則,快速地實現(xiàn)了實驗區(qū)的三維建模。 基于參數(shù)化技術(shù)的三維建模方法將重復(fù)工作整合到規(guī)則代碼中,避免了大量重復(fù)式的手工建模,通過應(yīng)用規(guī)則,能快速生成道路、建筑模型,可調(diào)整的模型參數(shù)為后期修改提供了極大的便利。通過輸出為通用的3d格式,本文所構(gòu)建的三維模型可應(yīng)用于城市規(guī)劃設(shè)計、建筑景觀設(shè)計、城市管理、應(yīng)急救災(zāi)、環(huán)境保護(hù)、虛擬旅游等諸多領(lǐng)域。
[Abstract]:With the development of digital city (intelligent city), the research of large scale 3D modeling has been paid more and more attention. The application of parameterization technology to urban 3D scene modeling has been paid more and more attention by academia and business circles. Based on the parameterized modeling technology of City engine, this paper studies the parameterized modeling of two kinds of important target roads and buildings in cities. By extending the existing rules, a rule template for 3D modeling of urban roads and buildings is created, which conforms to the actual situation in our country. Taking a block in the west of Hangzhou as the experimental area and taking the central line of the road and the outline of the building plane as the initial modeling object, the 3D modeling of the experimental area is realized quickly by applying the established modeling rules for the road and the building. The 3D modeling method based on parameterization technology integrates the repeated work into the rule code, avoids a lot of repetitive manual modeling, and can quickly generate the road and building model by applying the rules. Adjustable model parameters provide great convenience for later modification. The 3D model can be used in many fields, such as urban planning and design, architectural landscape design, urban management, emergency relief, environmental protection, virtual tourism and so on.
【學(xué)位授予單位】:浙江大學(xué)
【學(xué)位級別】:碩士
【學(xué)位授予年份】:2013
【分類號】:TU984;TU198
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