1. Cartographers Decisions

2. I. Cartographers must decide…
A. What will the map include and omit?

3. What is this map designed to show?

6. I. Cartographers must decide…
B. What distortions are acceptable

7. I. Cartographers must decide…
C. What type of map and map projection best fits the goal of the map

8. *the information included/omitted and other features of a map can show the bias of the cartographer

9. According to this map, what is the center of the world?

10. According to this map, what is the center of the world?

13. Different Types of Maps

14. Physical Map

15. Political Map

16. Different types of maps
Reference map – a general purpose map with physical and human features

18. Thematic maps – highlight a particular feature

19. Choropleth map – uses shading to show variables

22. Pin Dot – each dot represents a number of occurrences

23. Population density of China

25. Cartograms show size using data other than area

28. Isoline map – connects points of equal value to make lines on a map

29. Ex: Topographic
Map

30. Ex: Weather Map

31. Proportional symbol – uses a symbol to show frequency or intensity of variable

34. Large Scale vs. Small Scale

35. Large scale shows small areas in greater detail

36. Small scale maps show large areas in less detail

37. Key / Legend

38. Compass Rose / Cardinal Directions

39. Methods of representing scale

40. Representative fraction – 1/50,000 or 1:50,000

41. Verbal scale – 1in. = 1 mile

42. Graphic scale – black and white line

44. How can a map solve a real world problem?
Dr Snow's Map