| 虚拟森林环境构建研究 |
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| 引用本文： | 张敏,张怀清,陈永富.虚拟森林环境构建研究[J].林业科学研究,2008,21(Z1):55-59. |
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| 作者姓名： | 张敏 张怀清 陈永富 |
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| 作者单位： | 1. 中国林业科学研究院资源信息研究所,北京,100091;北京林业大学林学院,北京,100083
2. 中国林业科学研究院资源信息研究所,北京,100091 |
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| 基金项目： | 中央级公益性科研院所基本科研业务费专项资金项目，国家科技支撑重点项目课题 |
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| 摘 要： | 在分析不同尺度的森林可视化建模内容和技术特点的基础上,从单棵树的建模、林分结构规律,森林场景的绘制技术等几个方面展开论述.在此基础上建立了一个虚拟森林环境系统原型,系统采用几何与图像混合绘制的方法实现森林环境建模,场景采用八叉树空间分割方法,实现了虚拟森林三维场景模拟、小班信息查询等功能,为森林资源和经营可视化提供了虚拟环境.
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| 关 键 词： | 虚拟森林环境 林分结构规律 八叉树 |
| 收稿时间： | 2007/12/15 0:00:00 |
Research on Virtua l Forest Env ironment Construction |
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| ZHANG Min,ZHANG Huai-qing and CHEN Yong-fu.Research on Virtua l Forest Env ironment Construction[J].Forest Research,2008,21(Z1):55-59. |
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| Authors: | ZHANG Min ZHANG Huai-qing and CHEN Yong-fu |
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| Abstract: | Based on the analysis of the contents and technical characteristics of different scale forest visualizationmodeling, the design of individual tree modeling, law of stand structure, forest scenery rendering etc. were studied.On the basis of study of related theories and algorithms, a large-scale virtual forest environment p rototype system wasdeveloped. The system used hybrid rendering as a main technology for modeling and rendering of the forest. Thescene was built to rep resent the data structure of the models by octree subdivision, and to imp lement the followingfunctions: large-scale virtual forest simulating and information query of subcompartment. The experiment showedthat it could offer a virtual environment for forest resource management. |
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| Keywords: | virtual forest environment law of stand structure octree |
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