| 引导型专题数据分级处理研究 |
| |
| 引用本文： | 姚宇婕,陈毓芬.引导型专题数据分级处理研究[J].测绘工程,2012,21(1):25-29. |
| |
| 作者姓名： | 姚宇婕 陈毓芬 |
| |
| 作者单位： | 信息工程大学测绘学院,河南郑州,450052 |
| |
| 摘 要： | 通过对已有的数据分级模型及分级模式进行分析,提出引导型专题数据分级处理流程。首先运用分级数确定模型给出分级数,再利用"秩和比法+熵值法"对系统中各个分级模型的分级结果进行评价,最后以向用户推荐分级数和分级模型的形式辅助用户选择合适的分级处理模型。结合实例,对引导型专题数据分级处理过程及关键步骤进行详细说明,并通过原型系统显示实例结果。结果表明,此数据分级处理模式能让普通用户快速准确地进行数据处理。
|
| 关 键 词： | 专题地图 数据分级 分级评价 秩和比法 |
Research on guiding thematic data classification |
| |
| YAO Yu-jie
,
CHEN Yu-fen.Research on guiding thematic data classification[J].Engineering of Surveying and Mapping,2012,21(1):25-29. |
| |
| Authors: | YAO Yu-jie CHEN Yu-fen |
| |
| Institution: | (Institute of Surveying and Mapping, Information Engineering University, Zhengzhou 450052 ,China) |
| |
| Abstract: | The paper analyzed and researched on the existing data classification models and modes,then in- troduced a guiding thematic data classification. Firstly, it got a number based on a model of acquiring clas- sification number. Then evaluated every classification method in system by means of combining entropy with rand-sum-ratio. At last suggested the classification number and model for users to choose. An exam- ple was given to explain the classifying process and key steps. Finally, the prototype system showed the classification result. Through experiments, it proves that the data classification mode has great effect on data processing for common users. |
| |
| Keywords: | thematic map data classification classification evaluation rank-sum-ratio |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
|
