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lod technique
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  lod技术
     According to the system requirement,we have established scene models by MultiGen Creator,set the rules of scene organization and management,and researched some relevant techniques such as LOD technique,texture mapping technique,instance technique,mipmapping technique etc.
     根据系统要求,使用MultiGen Creator建立了场景模型,提出场景的组织和管理原则,并对其中的关键技术如LOD技术、纹理映射技术、实例技术以及mipmapping技术等进行探讨.
短句来源
     In order to construct the multilevel and mltiresolution model for the terrain and architecture in the virtual environment,the LOD technique is adopted.
     采用LOD技术为露天矿虚拟环境中的地形和建筑物构造多层次、多分辨率的细节模型 ,对三维型地形模型按数据块进行简化 ,以适应不同硬件平台和视觉特性的分辨率需求 ;
短句来源
     Because Grid DEM can be expressed in a multi-scale way, some propositions are given to solve mass data DEM matching problem based on LOD technique.
     并针对DEM数据趋于海量化的趋势,结合规则格网DEM易于多尺度表达的特点,提出了基于LOD技术的海量数据DEM匹配解决建议。
短句来源
     In order to construct the multilevel and multiresolution model for the terrain and architecture in the virtual environment ,the LOD technique is adopted.
     用LOD技术为露天矿虚拟环境中的地形和建筑物构造多层次、多分辨率的细节模型,提出了基于视点的连续LOD算法,对三维地形模型按数据块进行简化,以适应不同硬件平台和视觉特性的分辨率需求;
短句来源
     This paper introduces the structure of 3D model and the modeling principles,and probes into several common key techniques in the visual simulation such as texture mapping,LOD technique and DOF technique.
     介绍了三维模型的结构和建模的原则,并探讨了视景仿真中最常用到的几个关键技术:纹理影射(包括纹理拼接技术和透明纹理影射技术)、LOD技术和DOF技术。
短句来源
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  层次细节技术
     Railway Network Information Display System based on LOD technique
     基于层次细节技术的铁路网信息显示系统
短句来源
  “lod technique”译为未确定词的双语例句
     This method helps the display and texture mapping of the whole scene model. Using the dynamic LOD technique bring large infection for POLYGON model and NURBS surface model.
     引入动态层次细节划分技术(LOD)后,会对POLYGON模型和NURBS曲面模型的显示产生极大的影响,本文给出了LOD引起的NURBS模型纹理映射的自适应处理方法,在一定程度上解决了这个问题。
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  lod technique
The performance of the browser has been improved enormously since LOD technique is used.
      
They also presented a randomized LOD technique which is extremely useful for hardware accelerated point rendering.
      
It well known that the LOD technique is useful to improve the speed of operating large 3D city data set.
      


It is a new try to develop open-pit mine ecological reconstruction simulation system in which both MultiGen CreterPro modelling software and VegaAPI programming method are used in virtual simulation field.Several computer treatment methods and key techniques which are adopted during development process are introduced in this paper.Open-pit mine ecological reconstruction scenery simlation system is modelled by adopting hierarchical model combined ...

It is a new try to develop open-pit mine ecological reconstruction simulation system in which both MultiGen CreterPro modelling software and VegaAPI programming method are used in virtual simulation field.Several computer treatment methods and key techniques which are adopted during development process are introduced in this paper.Open-pit mine ecological reconstruction scenery simlation system is modelled by adopting hierarchical model combined with object-oriented data structure?In order to construct the multilevel and mltiresolution model for the terrain and architecture in the virtual environment,the LOD technique is adopted.Basic methods,using Vega to realise open-pit mine 3D dynamic panoramic displaying and the real-time driving,are especially discussed.Ecological reconstruction planning alternatives can be designed by use of the entity mark technique.

介绍用MultiGenGreaterPro建模软件和VegaAPI编程技术开发露天矿生态重建视景仿真系统所采用的几项计算机处理方法和关键技术。针对露天矿生态重建特点 ,采用层次型与面向对象相结合的三维数据结构 ,构造露天矿生态重建视景仿真模型 ;采用LOD技术为露天矿虚拟环境中的地形和建筑物构造多层次、多分辨率的细节模型 ,对三维型地形模型按数据块进行简化 ,以适应不同硬件平台和视觉特性的分辨率需求 ;采用Vega软件实现露天矿三维动态全景图显示与实时驱动的基本方法 ;采用实物标图技术在虚拟场景中进行生态重建规划方案的设计

According to the needs of rendering terrain in visual system of Shiphandling Sinulator,this paper analyses the common methods of rendering 3D terrain,the software and hardware condition and the requirements of high updated rate and resolution in visual system of Shiphandling Simulator.Based on considering the geometry precision,reality and real-time display,this paper puts forward the modeling methods of island and background hills which are within the ships' visible scope,and presents the scene texture shots...

According to the needs of rendering terrain in visual system of Shiphandling Sinulator,this paper analyses the common methods of rendering 3D terrain,the software and hardware condition and the requirements of high updated rate and resolution in visual system of Shiphandling Simulator.Based on considering the geometry precision,reality and real-time display,this paper puts forward the modeling methods of island and background hills which are within the ships' visible scope,and presents the scene texture shots and photo quality and LOD technique.

从船舶操纵模拟器视景中地形绘制的需要出发 ,分析常用的三维地形造型方法、大型船舶操纵模拟器对视景的具体要求 ,综合考虑地形绘制的几何精确度、真实感与实时性 ,提出了船舶操纵模拟器中岛屿与陆地背景山脉的几何建模方法、实景纹理图象的拍摄方法与基本要求和LOD技术

Several Key techniques using Virtual Reality to develop open-pit mine ecological reconstruction scenery sim-ulation system are introduced in this paper.According to the character of open-pit mine ecological reconstruction,open-pit mine ecological reconstruction scenery simulation system is modelled by adopting hierarchical combined with object-oriented data structure.In order to construct the multilevel and multiresolution model for the terrain and architecture in the virtual environment ,the LOD technique...

Several Key techniques using Virtual Reality to develop open-pit mine ecological reconstruction scenery sim-ulation system are introduced in this paper.According to the character of open-pit mine ecological reconstruction,open-pit mine ecological reconstruction scenery simulation system is modelled by adopting hierarchical combined with object-oriented data structure.In order to construct the multilevel and multiresolution model for the terrain and architecture in the virtual environment ,the LOD technique is adopted.Basic methods,using vega to realise open-pit mine3D dynamic panoramic displaying and the real-time driving,are especially discussed.Ecological reconstruction planning alternatives can be designed by use of the entity mark technique.A new algorithm,which uses mouse to acquire entity model infor-mation in3D virtual scene,is proposed in order to realise3D dynamic query and connection to external database.

介绍了用虚拟现实技术开发露天矿生态重建视景仿真系统的几项关键技术。针对露天矿生态重建应用特点,采用层次型与面向对象相结合的三维数据结构,构造露天矿生态重建视景仿真模型;用LOD技术为露天矿虚拟环境中的地形和建筑物构造多层次、多分辨率的细节模型,提出了基于视点的连续LOD算法,对三维地形模型按数据块进行简化,以适应不同硬件平台和视觉特性的分辨率需求;采用Vega软件实现露天矿三维动态全景图显示与实时驱动的基本方法;用实物标图技术在虚拟场景中进行生态重建规划方案的设计方法;提出一种新的用鼠标获取三维虚拟场景中实体模型信息的算法,实现三维动态查询和与外部数据库的链接。

 
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