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Title
The 3rd ISPRS Workshop on Dynamic and Multi-Dimensional GIS & the 10th Annual Conference of CPGIS on Geoinformatics
Author
Chen, Jun

ISPRS, Vol.34, Part 2W2, “Dynamic and Multi-Dimensional GIS", Bangkok, May 23-25, 2001
409
3D COMPUTER SIMULATION OF ANCIENT CHINESE TIMBER BUILDINGS
Yixuan ZHU Jie YANG Deren LI
(Faculty of Information Engineering, Wuhan Technical University of Surveying and Mapping, Wuhan, P. R. China.)
Key words: 3D model, computer simulation, dynamically virtual display
ABSTRACT
A pilot research work was carried out by investigators of surveying and mapping describing ancient Chinese timber buildings by 3D
frame graphs with a computer. Users can know the structural layers and the assembly process of these buildings if the frame graphs are
processed further with a computer model. This can be implemented by computer simulation technique. This technique display the raw
data on the screen of a computer and interactively manage them by combining technologies from computer graphics and image
processing, multi-media technology, artificial intelligence, highly parallel real-time computation technique and human behavior science.
This paper presents the implement procedure of lignification simulation for larg-sized wooden buildings as well as 3D dynamic assembly
of these buildings under the 3DS MAX environment. The results of computer simulation are also shown in the paper.
1. Introduction
The art of ancient Chinese architecture is the essence of
the Chinese cultural heritages. It has important significance for
the studying and learning Chinese culture and civilization. It’s
of great difficult, however, to learn the complicated structure of
ancient Chinese architecture due to the lack of reference data
because of the factors of time and natural or human-made
disasters. In the project of reconstruction of Zhi-Lian Nnunnery,
the Tang Dynasty Temple Reproduction, Hongkong, the
architectural supervisor, Wuhan Technical University of
Surveying and Mapping, reconstructs the sampled data of the
building by using a 3D model with a computer, and use it for in
situ quality checking as well as used for the reference data for
forever preservation of the building. This will provide accurate,
objective and detailed line and frame data of the building for
the studying, maintaining and reconstructing it in the future. It
also provides a new method for protecting ancient cultural
heritages. However, though the graphs of line and frame of a
building are convenient for surveying and mapping, it is not for
architects to study it profoundly. Computer simulation is a vivid
research field developed in the 1980’s. It combines of several
key techniques from computer graphics, multi-media
technology, artificial intelligence, highly parallel real-time
computation and human behavior science. Computer
simulation displays data flow on a computer screen, managing
these data interactively by means of simulated graphs and
images, so as to provide the end users a virtual realistic
experience in order to provide convenient way for observing
and studying macro- and micro-world which are impossible for
direct observation due to various of influences. If this
technique is combined with virtual simulation technology,
creating various layers and virtual models rich of details, then it
is convenient to common users to see the structure layers and
interior feature of the building. This is also useful to archaic
culture experts, ancient architects and construction engineers
to locally or globally observe, analyze and study the building
upon a computer. For instance, the re-occurring of how the
pillars, horizontal tablets, square wood that connects two
pillars, DOU , GONG FU, ANG, Ql, LIANG (all in Chinese
Pinyin), etc. are connected by mortises and tenons, and then
mounted them to setup palaces, great halls, mansions,
pavilions and pagodas will provide intuitive materials to study
ancient buildings. If the computer simulated re-occurring
procedure is coordinated with dynamic simulation and
commentary, music, then the explanation of the characteristics
of ancient Chinese architecture will be not only visually but
also in an entertainment environment. This paper studies wood
texture simulation and dynamically virtual simulation and
provides our primary results.
After carefully learning the structure of ancient buildings,
knowing the order and regulations for mounting a building, we
employ AUTOCAD12.0, 3DS MAX and OpenGL as the basic
tools for the simulation process. A series of small programs
have been developed to implement this study.
2. from 3D frame graphic to surface model