BBC2y
Map symbols, direction and contour lines
Contour lines are lines that join up areas of ... On this map, different types of road are marked in different colours. This pink road is a main or A road. And this orange road is a secondary ...
Simon Fraser University7y
Example 2: Labeling Contour Lines
All the contour lines are solid, which is the default line type for the SYMBOL statement. This example also uses AXIS statements to limit the plot to one of the contour areas from the output of ...