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Precursors to the modern GIS

Precursors to the modern GIS. Thematic maps in the days before desktop computing. Early modern physical maps. Gerard Mecator, 1595 Includes 14 th c. geographical errors (polar islands, Rumes Nigra ). Das Reich der Liebe. Johann Gottlob Immanuel Breitkopf. Leipzig, 1777.

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Precursors to the modern GIS

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

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

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

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

  5. 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 CS 128/ES 228 - Lecture 1b

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

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

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

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

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

  11. CS 128/ES 228 - Lecture 1b

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

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

  14. CS 128/ES 228 - Lecture 1b

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

  16. 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 CS 128/ES 228 - Lecture 1b

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

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

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

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

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