地理背景底图制作及等值线图绘制的相关模型

地理背景底图制作及等值线图绘制的相关模型

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Contributor(s)

Initial contribute: 2018-12-04

Authorship

Affiliation:  
岳天祥编著
Email:  
yue@lreis.ac.cn
Homepage:  
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Classification(s)

Method-focused categoriesData-perspectiveGeoinformation analysis

Model Description

Chinese {{currentDetailLanguage}} Chinese

地理背景底图制作及等值线图绘制的相关模型

   1)地理坐标与平面直角坐标的转换相关模型:

 

 

 

 

 

 

式中,A为地球半径,A=6378245P为纬度;L为经度;

  为标准纬线纬度; 为最南一条纬线的纬度;

 为中央经线的经度;e为椭圆的第一偏心率,

e=0.006 693 421 6r为纬线圆弧半径; 为最南一条

纬线圆弧半径;xy为平面直角坐标。

2)等值线图的绘制的距离加权模型:

           

式中,Z为所求点的值;为临近点的实测值; 为临近点

到所求点的距离;a为距离权重系数;n为要求的点数。

参考文献

焦菊英,刘宝元: 微机绘制等值线图在土壤侵蚀研究中

的应用。水土保持通报,1993,134

 

How to Cite

《资源环境数学模型手册》 (2018). 地理背景底图制作及等值线图绘制的相关模型, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/6b53f73e-4d91-4271-9840-5a067d69779e
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Last modifier : 
tingxin
Last modify time : 
2020-11-06
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Contributor

Initial contribute: 2018-12-04

Co-contributor(s)

Authorship

Affiliation:  
岳天祥编著
Email:  
yue@lreis.ac.cn
Homepage:  
View
Is authorship not correct? Feedback

History

Last modifier : 
tingxin
Last modify time : 
2020-11-06
Modify times : 
View History

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