Tag: picture

Interchange between the 3rd Ring Road and Airport Expressway.

What is better: a map or a picture?

I was reading an article entitled “China, the megalopolis of 110 million inhabitants that impresses the world” on a popular online journal (see article) and after a dozen…

concept of layers in a GIS

The term GIS is very closely associated with the layer concept, as a standard GIS will allow you to work in various levels and their proper representation. When…