Chapter 1: Context and Concepts

Chapter 1 has explained:

  • What this guide is about and how crime mapping fits in the historical context of mapmaking.

  • Why cartography is both an art and a science.

  • Why it is important to balance costs and benefits when considering map design and production.

  • That maps can represent information relating to both time and geographic space.

  • The meaning and significance of map projections and coordinate systems.

  • The traditional elements that help provide consistency and interpretability in maps.

  • The types of information provided by maps.

  • Measurement systems and their relevance to mapping.

  • The meaning of the term "thematic map."

  • The ethical responsibilities of crime mappers.

  • The difficulties associated with the black and white reproduction of maps that were originally in color.

  • The importance of thinking about the causes underlying the patterns that we map and analyze.

  • The meaning and possible application of cartograms in crime mapping.

  • Why we should realize that we can lie with maps just as we can lie with statistics.

What's Next in Chapter 2?

  • What crime maps should do and how they should do it.
  • How to choose the right kind of crime map.
  • Types of thematic maps.
  • Why the data should be explored.
  • How to choose class intervals in numerical data.
  • What is involved in crime map design.
  • How crime map design, abstraction, and legibility are related.

Chapter 1: Context and Concepts
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Mapping Crime: Principle and Practice, by Keith Harries, Ph.D., December 1999