CARTOMETRIC ANALYSIS OF THE CZECHOSLOVAK VERSION OF 1:75 000 SCALE SHEETS OF THE THIRD MILITARY SURVEY (1918-1956)

被引:8
作者
Cechurova, M. [1 ]
Veverka, B. [2 ]
机构
[1] Univ W Bohemia, Dept Geog, Fac Educ, Plzen, Czech Republic
[2] Czech Tech Univ, Fac Civil Engn, Dept Mapping & Cartog, CR-16635 Prague, Czech Republic
来源
ACTA GEODAETICA ET GEOPHYSICA HUNGARICA | 2009年 / 44卷 / 01期
基金
匈牙利科学研究基金会;
关键词
Czechoslovakia; Krovak projection; map projections; map shrinkage; polyedric projection system; S-JTSK; Third Military Survey;
D O I
10.1556/AGeod.44.2009.1.12
中图分类号
P3 [地球物理学]; P59 [地球化学];
学科分类号
0708 ; 070902 ;
摘要
The 1:75 000 scale Special Map (SM75) series of the Third Military Survey is analysed in this work. Geographic co-ordinates of the sheet corners are computed from the sheet number codes, as well as their grid co-ordinates in the modern Krovak Projection and Czech and Slovak national grid called S-JTSK. Distortions caused by paper drying and shrinkage were analysed and a mathematical algorithm is given to compute their effects. Statistical analysis shows that the shrinkage is direction-dependent at the studied 125 map sheets throughout the Czech Republic. This analysis also verified the usefulness and practical adaptability of the shrinkage correction method to obtain more precisely rectified map sheets for GIS applications.
引用
收藏
页码:121 / 130
页数:10
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