| 1. | Application of l - system in plant simulation
系统在植物形态模拟中的应用 |
| 2. | L - system graphics modeling with single symbol variation
系统的图形建模 |
| 3. | Individual plant is modeled with parametric and random context sensitive l - system
单株植物的造型则是采用上下文有关的带参数的随机l系统。 |
| 4. | We design a complier of parametric and random context sensitive l - system to simulate the development of plants and interpret the rules that decide the way plants grow . we also extend the l - system with the environment factor
我们为模拟植物生长而编写了l系统编译器来实现可定义规则的植物造型，并把随机因子和环境参数扩充到l系统中。 |
| 5. | In this thesis , our research work mainly focuses on the following four aspects : 1 , studying and perfecting the generation algorithms of plant modeling , building three - dimensional plant model on the basis of studying current algorithms of plant modeling , combining iterated function system and l - system , we brought forward the random binary three - dimensional recursive model
本文的主要工作内容集中在以下四方面： 1 、研究并改进植物建模算法，生成三维的植物模型在研究目前植物建模常用算法的基础上，结合迭代函数系统法( ifs )和l系统法提出了树木类植物的随机二叉三维递归模型。 |
| 6. | In chapter 4 : the main methods of fractal simulation of the configuration of plants are analyzed and the difficulties in them are pointed out . then a simplified algorithm of l - system based on vrml is put forward . the detailed methods by which vrml interact with java are discussed
第四章阐述了植物形态结构分形模拟的主要方法，指出其中的难点；接着提出了基于vrml的递归分形算法；然后论述vrml和java结合的途径和具体步骤，并通过递归分形算法生成了若干种具有交互性的三维分形植物的实例，应用到了虚拟场景中去。 |
| 7. | By using the simplified algorithm of l - system , examples of interactive 3d fractal trees are generated and applied in the virtual scene . in chapter 5 : the architecture and the environment of exploitation of the system are introduced . the web database is connected
第五章介绍了系统的体系结构及开发运行环境，进行了web数据库的连接和vrml 、 applet与asp集成；接着分析了系统的整体框架，介绍了系统的登录和注册的页面，然后介绍了系统软件的六个功能模块，并给出了具体实现。 |
| 8. | I apply the modified double - iterated modeling algorithm to realize the three - dimension tree model successfully based on l - system with ips . to realize the terrain model , i expound the improved diamond - square algorithm in light of fractal interpolation and use it to model cloud , two - dimension texture terrain surface and three - dimension terrain
基于l系统以及迭代函数系统的特性提出了改进的三维树木模型双迭代生成算法来实现三维树木模型的模拟，而在三维地貌模型的模拟中，提出了改进的基于分形插值的diamond - square算法实现了云团、二维纹理地表、三维地形等模型。 |
