"2010 administrative boundary of five Central Asian countries of 1:1 million": Five Central Asian countries include Kazakhstan, Tajikistan, Uzbekistan, Kyrgyzstan and Turkmenistan. The data are divided into national capital, the second largest city, major cities, the boundary of five Central Asian countries, the boundary of five Central Asian countries, the boundary of five Central Asian countries and the boundary of Xinjiang Uygur Autonomous Region of China Line 6 is composed of vector point and vector polygon, which is projected by WGS84. The coordinate system is expressed by latitude and longitude. Make clear the spatial and geographical location of the five Central Asian countries, as well as the border with Xinjiang, China.
Based on the map of "Kazakhstan, Tajikistan, Kyrgyzstan, Uzbekistan and Turkmenistan" published by China Map Publishing House in 2010, the data source is the map of five countries.
1. In 2010, the paper maps of "Kazakhstan, Tajikistan, Kyrgyzstan, Uzbekistan and Turkmenistan" in the map of the world published by China Map Publishing House were scanned with digital high precision; 2. Use arc / Info software to manually vectorize the scanned image, mark the attribute data according to the attributes in the original image, and then use the longitude and latitude coordinates in the map as the control points for map re projection, WGS84 projection, longitude and latitude coordinates are selected.
This data is processed by Xinjiang Institute of ecology and geography, Chinese Academy of Sciences, and vectorized by professionals. The error is controlled within 2 pixels, which ensures that the vectorized boundary is completely consistent with the boundary of topographic map, and the data accuracy is as high as 99%.
This work is licensed under
CC BY 4.0 (Creative Commons Attribution 4.0 International License).
CSTR:11738.11.ncdc.nieer.2020.1464
10.12072/ncdc.nieer.db3298.2023
