CNES/BT article published in BT.

A map is a drawn document. It is an abstract representation of reality, on a reduced scale, with its own conventions of colours and symbols to make interpretation easier.

The high resolution of SPOT images has led to the development of new map products, known as spatellite image maps. A satellite image map is a map which uses an underlay of one or more satellite images corrected for imperfections due to the viewing mode. Complementary information from conventional maps or other sources is then added.

In its final form, a satellite image map also includes :

Satellite image maps are made for professionals who can interpret the colours and sometimes strange features of satellite images. They are used for the following applications :

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