%0 Journal Article
%T A New Method with Automaticity and Controllability for Terrain Generation<br>一种新的兼具自动性和可控性的地形生成方法
%A LI Guang-xin
%A DING Zhen-Guo
%A ZHOU Li-Hua
%A <br>李广鑫
%A 丁振国
%A 周利华
%J 计算机科学
%D 2005
%I 
%X The paper presents a new method to generate terrain automatically in virtual environment. Perlin noise is introduced as the generator of feature height of terrain. By controlling the frequency and amplitude of Perlin noise,we can get diversified terrain feature height field,which is called TFT(Terrain Feature Template). Then,MPD(Middle Point Displacement) method,which is based on mathematical model of fBM,is used to treat Feature Template,which results in more terrain detail. The main advantage of the method is the combination of automaticity and controlla- bility. On one hand,diversified Terrain Feature Templates can be automatically generated with various Perlin control parameters. value,to describe the main appearance of terrain. On the other,arbitrary level detail can be produced with various Fractal iteration parameters. value. Our results show that our method is practical in virtual environment and realistic terrain can be generated on general PC platform.
%K Terrain generation
%K Terrain feature template
%K Perlin noise
%K fBM
%K MPD
%K Virtual environment<br>地形生成
%K 地形特征模板
%K Perlin噪声
%K 中点位移法
%K 虚拟环境
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=8240383F08CE46C8B05036380D75B607&jid=64A12D73428C8B8DBFB978D04DFEB3C1&aid=DCE0D842467DF068&yid=2DD7160C83D0ACED&vid=9971A5E270697F23&iid=B31275AF3241DB2D&sid=70AC2EF7F2065E09&eid=E2546871E5B846EF&journal_id=1002-137X&journal_name=计算机科学&referenced_num=0&reference_num=14