网格数据的图形绘制研究

2006 7th International Conference on Computer-Aided Industrial Design and Conceptual Design Pub Date : 2006-11-01 DOI:10.1109/CAIDCD.2006.329426

Sun Yingying, Xin He Miao

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引用次数: 0

摘要

介绍了数字电梯模态的基本联系，分析了数字高程模型在GIS领域的应用前景。我们利用DEM数据在个人电脑上实现了一个虚拟的三维地形渲染。在绘制地形时，采用基于四叉树的优化算法实时生成给定地形的连续关卡。保证了渲染质量和渲染速度。此外，本文还对GIS系统的输出质量和一些基本功能进行了探讨

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Research on graphic rendering of grid data

This paper both introduces the basic connect of digital elevator modal and analyzes the playground that DEM can play in GIS field. We implement a virtual 3D terrain rendering in a personal computer by using DEM data. When rendering the terrain, a quadtree-based optimization algorithm is used for generating continuous levels of a given terrain in real time. Both rendering quality and rendering speed is guaranteed. Besides, this paper also does some effort on the output quality and some basic function in a GIS system

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2006 7th International Conference on Computer-Aided Industrial Design and Conceptual Design

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