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GIS 251 – Computer Graphics and Mapping Chapter 1: making Maps It’s a Map.

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Presentation on theme: "GIS 251 – Computer Graphics and Mapping Chapter 1: making Maps It’s a Map."— Presentation transcript:

1 GIS 251 – Computer Graphics and Mapping Chapter 1: making Maps It’s a Map

2 It’s a map Maps are a powerful way of thinking about the earth … vital importance of making maps in the context of your life and systems

3 Map of Town Plan Catal Hyuk, Anatolia – 6200 B.C.

4 Babylonian Clay Tablet - 600 BC

5 Ojibwe (Native American) ca. 1820

6 Technological Changes GIS and similar desktop mapping tools have helped GIS go ‘mainstream’ Analysis and an understanding of geographic patterns and relationships are part of everyday life.

7 Discovery with Maps Maps generate new understanding 1854 Map of Cholera Outbreaks Dr. John Snow Map Credit: Center for Spatially Integrated Social Science - http://www.csiss.org/classics/content/8

8 Maps Kill!

9 Maps Shape How We See Projections can cause very different impressions about the size of objects Many classifications are subjective Generalizations can hide what the map maker does not want to show Colors cause strong impressions Labels can lead to bias Statistical interpretations can be misleading

10 The internet lets anyone make maps Internet mapping sites and mapping API’s Making maps is ubiquitous or part of our day-to-day lives The internet http://maps.google.com http://maps.yahoo.com http://mapquest.com http://www.nationalatlas.gov http://www.nconemap.net http://seamless.ugs.gov http://nationalgeographic.com/maps http://ncfloodmaps.com http://terraserver-usa.com http://googlemapsmania.blogspot.com This map shows where visitors to my blog are using an internet mapping application called ‘cluster maps’.

11 What is a Map? A graphic statement that locates facts Graphic Statement Locating Facts

12 How do you make a map? Why are you making the map? chapter 2 Mappable data: chapter 3 Map-making tools: chapter 4 Map design: chapters 5-12

13 The End!

14 GIS 251 – Computer Graphics and Mapping Instructor: Pete Kennedy Course Blog: http://gis251.blogspot.comhttp://gis251.blogspot.com Instructor Webpage : http://kennedy.pete.googlepages.com http://kennedy.pete.googlepages.com Natural Resources Division Blog: http://dnrhcc.blogspot.com http://dnrhcc.blogspot.com Haywood Community College Geospatial Technology Department Other Contact Info: PhoneMe: 828.565.4219 eMAILmE: kennedy.pete (at) gmail.com


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