基于WGS-84椭球面的退化四叉树经纬线格网剖分
针对数字地球的发展和解决全球问题的需求,给出了一种基于WGS-84椭球面的全球离散格网剖分方法——退化四叉树经纬线格网;分析了格网剖分的特点,明确了格网单元行列定义和经纬度坐标;计算出不同剖分层次格网单元面积、边长的变化情况并与基于正球面的剖分进行了对比。结果表明该格网系统具有粒度相对均匀性、层次嵌套性、方向一致性、地理条带性和对称性、广泛数据兼容性等许多优良特征,对构建全球地理信息系统具有一定的实用价值。...
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| Published in | Ce hui xue bao Vol. 45; no. 12; pp. 32 - 39 |
|---|---|
| Main Author | |
| Format | Journal Article |
| Language | Chinese English |
| Published |
Beijing
Surveying and Mapping Press
01.12.2016
河南理工大学测绘学院,河南焦作,454003%中国矿业大学(北京)地球科学与测绘工程学院,北京,100083%扬州环境资源职业技术学院,江苏扬州,225127 |
| Subjects | |
| Online Access | Get full text |
| ISSN | 1001-1595 1001-1595 |
| DOI | 10.11947/j.AGCS.2016.F004 |
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| Abstract | 针对数字地球的发展和解决全球问题的需求,给出了一种基于WGS-84椭球面的全球离散格网剖分方法——退化四叉树经纬线格网;分析了格网剖分的特点,明确了格网单元行列定义和经纬度坐标;计算出不同剖分层次格网单元面积、边长的变化情况并与基于正球面的剖分进行了对比。结果表明该格网系统具有粒度相对均匀性、层次嵌套性、方向一致性、地理条带性和对称性、广泛数据兼容性等许多优良特征,对构建全球地理信息系统具有一定的实用价值。 |
|---|---|
| AbstractList | P208; 针对数字地球的发展和解决全球问题的需求,给出了一种基于WGS-84椭球面的全球离散格网剖分方法——退化四叉树经纬线格网;分析了格网剖分的特点,明确了格网单元行列定义和经纬度坐标;计算出不同剖分层次格网单元面积、边长的变化情况并与基于正球面的剖分进行了对比.结果表明该格网系统具有粒度相对均匀性、层次嵌套性、方向一致性、地理条带性和对称性、广泛数据兼容性等许多优良特征,对构建全球地理信息系统具有一定的实用价值. 针对数字地球的发展和解决全球问题的需求,给出了一种基于WGS-84椭球面的全球离散格网剖分方法——退化四叉树经纬线格网;分析了格网剖分的特点,明确了格网单元行列定义和经纬度坐标;计算出不同剖分层次格网单元面积、边长的变化情况并与基于正球面的剖分进行了对比。结果表明该格网系统具有粒度相对均匀性、层次嵌套性、方向一致性、地理条带性和对称性、广泛数据兼容性等许多优良特征,对构建全球地理信息系统具有一定的实用价值。 |
| Abstract_FL | For the needs of digital earth development and solving many global problems,a new discrete global grid systenm-DQLLG (degenerate quadtree latitude/longitude grid) was put forward,which was based on WGS-84 ellipsoidal facet.The hierarchical subdivision method,characteristics and grid column/row coordinate system were detailed.The Latitude/Longitude coordinate,area and side length of multiresolution meshes on different subdivision levels were calculated.Then the changes of mesh areas and side lengths were analyzed and compared that with spherical DQLLG.The research indicates that the DQLLG had many excellent features:uniformity,hierarchy,consistency of direction,extensive data compatibility and so on.It has certain practicality for Global GIS in the future. |
| Author | 胡佰林 王春波 赵学胜 崔马军 |
| AuthorAffiliation | 河南理工大学测绘学院,河南焦作454003 中国矿业大学北京地球科学与测绘工程学院,北京100083 扬州环境资源职业技术学院,江苏扬州225127 |
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| Author_FL | WANG Chunbo HU Bailin ZHAO Xuesheng CUI Majun |
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| ClassificationCodes | P208 |
| ContentType | Journal Article |
| Copyright | Dec 2016. This work is published under https://creativecommons.org/licenses/by-nc-nd/4.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License. Copyright © Wanfang Data Co. Ltd. All Rights Reserved. |
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| DocumentTitleAlternate | Degenerate Quadtree Latitude/Longitude Grid Based on WGS-84 Ellipsoidal Facet |
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| Keywords | WGS-84 ellipsoidal facet hierarchical subdivision 层次剖分 degenerate quadtree latitude/longitude grid(DQLLG) grid 格网 discrete global grid(DGG) 全球离散格网 退化四叉树经纬线格网 WGS-84椭球面 |
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| Notes | 11-2089/P degenerate quadtree latitude/longitude grid（DQLLG）; WGS-84ellipsoidal facet; discrete global grid（DGG）; grid; hierarchical subdivision For the needs of digital earth development and solving many global problems,a new discrete global grid system—DQLLG（degenerate quadtree latitude/longitude grid）was put forward,which was based on WGS-84 ellipsoidal facet.The hierarchical subdivision method,characteristics and grid column/row coordinate system were detailed.The Latitude/Longitude coordinate,area and side length of multi-resolution meshes on different subdivision levels were calculated.Then the changes of mesh areas and side lengths were analyzed and compared that with spherical DQLLG.The research indicates that the DQLLG had many excellent features：uniformity,hierarchy,consistency of direction,extensive data compatibility and so on.It has certain practicality for Global GIS in the future. HU Bailin1 ,WANG Chunbo1 ,ZHAO Xuesheng2 ,CUl Majun3 （1. School of Surveying and Mapping, Henan Polytechnic University ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 14 |
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| Publisher | Surveying and Mapping Press 河南理工大学测绘学院,河南焦作,454003%中国矿业大学(北京)地球科学与测绘工程学院,北京,100083%扬州环境资源职业技术学院,江苏扬州,225127 |
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| Snippet | 针对数字地球的发展和解决全球问题的需求,给出了一种基于WGS-84椭球面的全球离散格网剖分方法——退化四叉树经纬线格网;分析了格网剖分的特点,明确了格网单元行列定义和经纬... P208; 针对数字地球的发展和解决全球问题的需求,给出了一种基于WGS-84椭球面的全球离散格网剖分方法——退化四叉树经纬线格网;分析了格网剖分的特点,明确了格网单元行列定义... |
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| SubjectTerms | Coordinates Latitude Longitude WGS-84椭球面 全球离散格网 层次剖分 格网 退化四叉树经纬线格网 |
| Title | 基于WGS-84椭球面的退化四叉树经纬线格网剖分 |
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