In cartography, the principles of cognition are important since they explain why certain map symbols work. In the past, mapmakers did not care why they worked. This behavi… See more

A map symbol is created by altering the visual appearance of a feature, whether a point, line, or … See more

An important factor in map symbols is the order in which they are ranked according to their relative importance. This is known as intellectual hierarchy. The most important hierarchy i… See more

The legend of the map also contains important information and all of the thematic symbols of the map. Symbols that need no explanations, or do not coincide with the theme of th… See more