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Precursors to the modern GIS. Thematic maps in the days before desktop computing. Ancient maps. This ancient tablet from the 7 th century BC depicts the world at the time of Sargon (2300 BC) as a circle surrounded by water, with Babylon at its center. (British Museum).

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precursors to the modern gis

Precursors to the modern GIS

Thematic maps in the days before desktop computing

CS 128/ES 228 - Lecture 1b

ancient maps
Ancient maps

This ancient tablet from the 7th century BC depicts the world at the time of Sargon (2300 BC) as a circle surrounded by water, with Babylon at its center. (British Museum)

http://www.bible-history.com/babylonia/BabyloniaMaps.htm

CS 128/ES 228 - Lecture 1b

early modern physical maps
Early modern physical maps
  • Gerard Mercator, 1595
  • Includes 14th c. geographical errors (polar islands, Rumes Nigra)

CS 128/ES 228 - Lecture 1b

early thematic maps
Early thematic maps

Das Reich der Liebe.

Johann Gottlob Immanuel Breitkopf. Leipzig, 1777

CS 128/ES 228 - Lecture 1b

early epidemiological maps
Early epidemiological maps
  • Incidence of an epidemic in Glasgow, Scotland (Perry 1844)
  • Used color to emphasize the geographical distribution of cases

CS 128/ES 228 - Lecture 1b

an early geo database
An early geo-database

MAP OF THE CONTOURS OF LONDON AND ITS ENVIRONS,

SHOWING THE DISTRICTS AND AREAS

SUPPLIED BY

THE NINE METROPOLITAN WATER WORKS' COMPANIES.

By ROBERT W. MYLNE, C.E.,

F.G.S., F.S.A.,

FELLOW INST. BRIT. ARCHITECTS.

Area 176 Square Miles. Scale 1/17032 of nature.

CS 128/ES 228 - Lecture 1b

map of london water districts 1856
MAP OF LONDON WATER DISTRICTS (1856)

CS 128/ES 228 - Lecture 1b

the database is in the map legend
The database is in the map legend!

CS 128/ES 228 - Lecture 1b

snow s grand experiment
Snow’s “Grand Experiment”

CS 128/ES 228 - Lecture 1b

mapping as an analysis tool
Mapping as an analysis tool
  • John Snow’s map of cholera cases in a neighborhood in London helped pin-point the source:
  • a cesspool 3’ from the Broad Street public well

CS 128/ES 228 - Lecture 1b

u s atlas of cancer mortality
U. S. Atlas of Cancer Mortality

CS 128/ES 228 - Lecture 1b

design with nature
Design with Nature
  • by Ian McHarg. 1969
  • An early form of thematiclayering for environmental impact assessment & planning

CS 128/ES 228 - Lecture 1b

richmond parkway study
Richmond Parkway Study
  • Finding the best route for a highway on Staten Island:

“the one that provides the maximum social benefit at the lowest social cost.”

CS 128/ES 228 - Lecture 1b

physiographic features 1
Physiographic features - 1

CS 128/ES 228 - Lecture 1b

physiographic features 2
Physiographic features - 2

CS 128/ES 228 - Lecture 1b

land values 1
Land values - 1

CS 128/ES 228 - Lecture 1b

land values 2
Land values - 2

CS 128/ES 228 - Lecture 1b

final solution
Final solution:

CS 128/ES 228 - Lecture 1b

mcharg s legacy to gis
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