The basic difference between a map and a picture is that:
Using the strip method, a map area has its total strip length as 56cm and width 0.5cm. The map scale is 1:50.000. What is the area on the ground?
It is the most important map element if we want to know the meanings of coloured aspects on the Map.
Distance on the map is 30cm and map scale is 1:25.000, what is the ground distance?
When a map is enlarged by two, the grid squares:
