A real-time rendering method for large-area terrain data was presented utilizing the techniques such as space filling curves based terrain data block partition,continuous level of detail(LOD),block-based view frustum culling and improved real-time optimal adaptive meshes(ROAM) algorithm.
将地形数据分块技术、层次细节模型(LOD)技术、改进的ROAM算法和数据预取技术等相结合,提出了一种超大规模地形数据实时渲染方法。
By organizing data block partition, two layer nested bintree were built.
在数据分块组织的基础上构建了两层嵌套二叉树。
This paper realized real-time fast walkthrough for large-scale terrain with data block partition, view frustum culling based on block node, part of the data Permanent memory and cracks elimination method.
针对大规模三维地形实时可视化在GIS、虚拟现实、游戏、仿真等领域广泛应用的关键技术与难点,介绍了在四叉树地形数据简化算法的基础上,采用数据分块、基于块节点的视景体裁剪、部分数据常驻内存以及边界裂缝消除等实现对大规模地形数据的快速漫游的方法。
It was put forward to establish the image pyramid by data block t.
如何利用现有的计算机硬件资源对海量影像数据进行高效存储和快速显示?为此,在借助ArcGIS中的组件之一,即ArcSDE(空间数据引擎)的基础上提出了利用数据分块、建立影像金字塔来提高海量影像的显示速度。
Combining with SQL Server database, using technology of terrain data block partition based on linear quad-tree accomplish management and organization of the massive terrain data block.
(2)提出一种大规模地形数据的分块与存储管理方法该方法首先采用基于线性四叉树的大规模地形分块方法对大规模地形数据进行分块以及边界残缺块的处理,大大减少了数据贮存量、同一层次的数据分块可以分块成不一样的分辨率,避免了根据视点选择不同的LOD模型。
The definitions and deductions are proposed to study STSSS data striping,the efficient conflict coefficient(ECC) is given and the criterion for STSSS data striping is proved.
在树结构存储系统的基础上,通过对简单树结构存储系统数据分块方式的定义、推论,以及冲突系数的证明,给出了简单树结构存储系统的数据分块标准。
Different kinds of data striping methods in system were obtained according to data striping and checking redundant.
介绍了网络磁盘阵列存储系统在硬件结构上的三种扩展方式———组内扩展、组间扩展和串内级联 ,并对系统扩展后的数据分块方式展开了讨论 。
The method contains two steps: the segmentation and recovery of parametric representation of the blend surface.
该算法包括数据分块和过渡曲面参数提取两部分。
Research and Implement of Data Segmentation Technology in Reverse Engineering;
逆向工程中数据分块技术的研究与实现
Research and Implement of Data Segmentation Technology in Reverse Engineering;
逆向工程中数据分块技术的研究与实现
quarantine unit identifier
不可分数据块识别器
To separate the parts of a block, for example, to select records from a block.
分离一个数据块的各个部分。例如,从某个数据块中挑选出若干记录。
Analysis of Data Module Code in ASD S1000D Specification;
ASD S1000D规范中的数据模块编码分析
The Design and Implement for the Error Data Analysis Module Based on Product Rule and the Data Audit and Monitoring System
基于规则的数据稽核监控系统错误数据分析模块的设计和实现
Data appearing at the beginning of a block that describes the organization of the file and relationship between blocks.
出现在块开始部分的数据,用于描述文件的组成及块间的关系。
APPROXIMATIVE COMPUTATION OF THE DATA ACCESS TIME FOR A DECLUSTERED-SYNCHRONIZED DISK ARRAY
分块同步磁盘阵列数据存取时间近似计算
The Research of SoC Test Data Compression Based on Data Block Coding;
基于分块编码的SoC测试数据压缩方法研究
The Design and Implementation of the Core Module of CRM System Based on Data Analysis
基于数据分析的CRM系统核心模块的设计与实现
The Implement of Financial Data Analysis Module Base on SSAS Technology
基于微软SSAS技术的金融数据分析模块的实现
OD data Integration and Analysis Using GISDK
基于GISDK的OD数据集成分析模块的开发研究
Research of Sub-block Multi-level Index Mechanism Based on Spatial Database
空间数据库的分块多级索引机制的研究
Adaptive data block filtering algorithms for the α-stable distribution
α稳定分布下的自适应数据块滤波算法
A virtual oscilloscope is made up of data acquisition, data analysis/processing and data display modules.
介绍了由数据采集、数据分析处理、数据输出与显示三部分模块组成的虚拟示波器。
database logging interface block
数据库记录接口程序块
blocked F-format data set
字块式F格式数据集合
assembled data set control block
已汇编的数据集控制块
industrial control data communication module
工业控制数据通信模块