1. CS 128/ES 228 - Lecture 1b1 Precursors to the modern GIS Thematic maps in the days before desktop computing

2. CS 128/ES 228 - Lecture 1b2 Early modern physical maps Gerard Mecator, 1595 Includes 14 th c. geographical errors (polar islands, Rumes Nigra)

3. CS 128/ES 228 - Lecture 1b3 Das Reich der Liebe.Das Reich der Liebe. Johann Gottlob Immanuel Breitkopf. Leipzig, 1777

4. CS 128/ES 228 - Lecture 1b4 Early epidemiological maps (Perry, 1844) Incidence of an epidemic in Glasgow, Scotland Used color to emphasize the geographical distribution of cases

5. CS 128/ES 228 - Lecture 1b5 Mapping as an analysis tool John Snow’s map of cholera cases in a neighborhood in London helped pinpoint the source: a cesspool 3’ from the Broad Street public well

6. CS 128/ES 228 - Lecture 1b6 Jacquiline Tyrwhitt The mother of modern GIS???

7. CS 128/ES 228 - Lecture 1b7 Design with Nature by Ian McHarg. 1969 An early form of thematic layering for environmental impact assessment & planning

8. CS 128/ES 228 - Lecture 1b8 Richmond Parkway Study Finding the best route for a highway: “the one that provides the maximum social benefit at the lowest social cost.”

9. CS 128/ES 228 - Lecture 1b9 Physiographic features - 1

10. CS 128/ES 228 - Lecture 1b10 Physiographic features - 2

11. CS 128/ES 228 - Lecture 1b11

12. CS 128/ES 228 - Lecture 1b12 Land values - 1

13. CS 128/ES 228 - Lecture 1b13 Land values - 2

14. CS 128/ES 228 - Lecture 1b14

15. CS 128/ES 228 - Lecture 1b15 Final solution:

16. CS 128/ES 228 - Lecture 1b16 Plan for the Valleys - 1963 Semi-rural area in path of Baltimore’s future expansion Citizens Council formed to promote a planned path of development

17. CS 128/ES 228 - Lecture 1b17 “The specter of unplanned growth”

18. CS 128/ES 228 - Lecture 1b18 Basic data: Geology Landscape Vegetation Construction costs

19. CS 128/ES 228 - Lecture 1b19 The Plan:

20. CS 128/ES 228 - Lecture 1b20 McHarg’s Legacy to GIS Multi-thematic maps Use of a simple (3 level) scale to compare values Overlay technique