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This tutorial was expanded and adapted from Kerski, J.J.. (2009). Exploring Data Using Cartograms within ArcGIS Desktop. Redlands, CA: ESRI. Retrieved October 5, 2009, from ESRI GIS Education Community: http://blogs.esri.com/Info/blogs/gisedcom/archive/2009/10/16/exploring-data-using-cartograms-within-arcgis-desktop.aspx.
This tutorial was written for members of the Drew community, but we encourage you to obtain copies of the data used here for your own purposes. Be sure to save all copies of the downloaded data to the same location on your computer.
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CartogramsTutoral Personal Geodatabase.mdb
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Cartograms ArcMap Tutorial File.mxd
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What is a Cartogram?
Cartograms are a method of displaying geospatial data as totals, wherein data are displayed with both color and area as a function of their values. Cartograms are analogous to pie charts in which the slices of the pie are geographic regions rather than wedges. The Cartograms tool is a script created for ArcGIS that provides a set of spatial analysis tools not included in the standard ArcGIS software. You can create maps that will provoke reactions and dialog by displaying data as Cartograms. This tutorial will allow users to make Cartograms using their own data.
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CartogramsTutoral Personal Geodatabase.mdb
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Cartograms ArcMap Tutorial File.mxd
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Copy Data Files to
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Your Computer
To complete this tutorial, you will need to copy the Cartograms folder from the O:\envstudies\GIS Tutorials folder to the desktop of your computer. If you have done this already, skip to the next section, Start a New Map Document.
- Click on the CartogramsTutorial Personal Geodatabase.mdb link above. A dialog box will appear asking you if you want to save the file.
- Click Save File. This will save the file to the default location set in your web browser. When you download the file, a It may be the Downloads folder in your computer or some other location. Make sure that you know where the files are
- Go to the Start menu
- Click My Computer
- Double click on the O: Drive
- Folders are listed alphabetically by department. Double click on the envstudies folder.
O drive folders - Double click on the GIS Tutorial folder. Inside you will see the Cartograms folder.
- Right click on the CartogramsTutorial folder, and choose the Copy option.
- Close the GIS Tutorial window.
- Right click anywhere in the blank, blue space on the Desktop of your computer. Choose the Paste option. You should now see the CartogramsTutorial folder on your Desktop.
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