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- Abstract:Spatial data quality is the basis of cadastral data's updating, query and analysis. 摘要:地籍空间数据质量是地籍数据更新、信息查询与分析的基础。
- Spatial data quality is the basis of cadastral data's updating, query and analysis. 地籍空间数据质量是地籍数据更新、信息查询与分析的基础。
- Spatial data quality plays a key role in the accuracy and rationality of the analysis of GIS, and it is an important subject of GIS research as well. 摘要空间数据质量是地理信息系统(GIS)分析结果是否准确和合理的重要因素,也是地理信息系统研究领域的重要课题。
- Spatial data quality estimated by band model of error entropy is discussed in the article,and area is selected to be the measure index In the last the rationality is verified. 讨论了利用误差熵不确定带评价空间数据质量,并选择面积作为指标计算量,最后用实例说明了该方法的合理性和科学性。
- The importance of the spatial data quality estimation is stated. The existing estimation methods and the problems are introduced and the quality evaluation model of DLG based on the fuzzy integrated evaluation method is used. 阐述了空间数据质量评价的重要性,介绍了现有质量评价方法及其存在的问题,并应用基于模糊综合评价方法的扫描矢量化地图产品(DLG)质量评价模型进行了空间数据质量评价。
- Li Y, Brimicombe A J,Ralphs M P:Spatial data quality and sensitivity analysis in GIS and environmental modeling: the case of coastal oil spills, Computers, Environment and Urban Systems,2000(24). 胡艳丁树柏邹立群.;遥感技术和地理信息技术在管道选线中的应用[J]
- Research of the spatial data quality check of the UGIS 城市基础空间数据质量检查技术研究
- Implementing Technique of Spatial Data Quality Control and Evaluation 空间数据质量控制与评价方法及实现技术
- Spatial data quality assessment indexes based on uncertain band model of error entropy 基于误差熵不确定带的空间数据质量评价指标
- Data of SWEM include spatial data and table data. 水土保持监测数据根据数据格式划分,可分为空间数据和表格数据。
- spatial data quality 空间数据质量
- Take care of the quality data quality rept. 负责质量数据和质量报告.
- WCTS,based on GML and Web Service,were able to realize the sharing and cooperation of spatial data between different CRSs. It improved the efficiency and quality. 基于GML、W eb Service的WCTS能够实现不同CRS(坐标参照系)下空间G IS数据的共享和互操作,提高了数据共享的效率和质量。
- The model can be used to check and maintain quality of spatial data, and provide process and evaluation methods of spatial relations for automatic cartographical generalization. 该模型可以用于检验和维护空间数据质量、为地图自动综合提供空间关系处理和评价方法的参考。
- Objective To describe a spatial data structure called sorted volumetric data structure which speeds up the volume rendering and will not affect image quality. 本文提出一种称为有序体数据的空间数据结构,它可以有效地加速体绘制而对图像质量没有影响。
- Analysis and comparison of site characteristics and data quality. 测风点特征和数据质量的分析和对比。
- Bubble pulses or bubble noise that affect data quality. 影响数据质量的气泡脉冲或气泡噪音。
- Eliminating duplicate records could improve data quality. 消除重复记录可以提高数据质量。
- The precision of spatial data, the validity and intagrality of the attribute data and the topo relation of spatial data are the main factors that affect the quality of space database. 空间数据的精度,属性数据的正确性与完整性,空间数据拓扑关系的正确性是影响空间数据库质量的主要因素。
- A collaborative spatial data production model in grid environment is proposed, especially the quality controlling policies are analyzed, and all above is validated in the system prototype. 摘要提出了网格环境下的空间协作生产模型,分析了其质量控制策略,通过系统原型对本文思想进行了验证。
