lecture 3 ppt

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Introduction to Geographic Information Systems
Spring 2013 (INF 385T-28437)
Dr. David Arctur
Lecturer, Research Fellow
University of Texas at Austin
Lectures 3-4
Jan 31, 2013
GIS Outputs,
Geodatabase
GIS Outputs Outline
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Map audiences
Map layouts
Map scales
Multiple maps and output pages
Reports and graphs
Map animation
Exporting maps
Other map outputs
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Map audiences
Map use:
Exploration
Presentation
Audience:
Trained analyst
General public
Purpose:
Visual thinking
Communication
Advantages: Graphical
Believable
Granularity:
Fine
Coarse
Symbols:
Abstract
Mimetic
capital
railroad
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Map layout elements
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Main map size and location
Map title and subtitle
 What, where, and when
 Brief but descriptive
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Legend
 No need to label it Legend. Everyone will know
what it is (this eliminates “chart junk”)
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Data sources, credits
Rectangular boundary (neatline)
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Map layout elements
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North arrow
 Keep simple, discrete (avoid “compass rose”)
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Graphic scale bar
Other elements of “map furniture”
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Inset maps
Data tables
Charts
Additional text
Photographs
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Layout example
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Layout example
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Fonts
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Style
 Simple and legible
 Formal or informal
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Number of fonts
Placement, deconfliction
Halos
 Contrasts background
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Bad layout
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Good layout
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Lecture 3
MAP SCALES
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Map scales
1:5,000 is large scale
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1:50,000,000 is small scale
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Map scales
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Map scale ratios
 Dimensionless
 Used with any linear measurement unit, such as
feet, meters, or miles
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Graphic scale, or “scale bar”
 Graphic representation of map scale
 Places a line on the map with ground distances
marked, such as 10 miles, 20 miles, etc.
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Commonly used map scales
http://id.water.usgs.gov/reference/map_scales.html
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Lecture 3
MULTIPLE MAPS AND
OUTPUT PAGES
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Multiple maps
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Separate data frames
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Multiple maps
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Separate layouts
 Same size
 Same scale
 Subtitles (optional)
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Data driven pages
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Produces several maps from one layout
Tools, customize, data-driven pages
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Data-driven pages
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Layout text—data driven
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Lecture 3
REPORTS AND GRAPHS
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Create a report
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Select records for a report
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Create a report
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View, reports, create report
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Report result
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Modify reports
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Add report to layout
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Create a graph
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View, graphs, create
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Resultant graph
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Graph can be inserted into a layout
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Lecture 3
MAP ANIMATION
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Create animation
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Crimes over time
 Set time properties
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Animation properties
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Time slider window and options
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Play animation
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Lecture 3
EXPORTING MAPS
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Export options
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Raster
 .BMP, .TIF, .JPG, .PNG
 Size/Resolution
 Color options
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Vector
 Enhanced Metafile (.emf), Encapsulated PostScript (.eps),
Adobe Illustrator (.ai)
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Web
 .PNG, .JPG, .PDF
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Export map
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Click data or layout view
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Export map
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Export options
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Image file
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PDF document
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Adobe Illustrator
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Word or PowerPoint
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Copy and paste individual map elements
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Google KML files
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GIS Output Summary
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Map audiences
Map layouts
Map scales
Multiple maps and output pages
Reports and graphs
Map animation
Exporting maps
Other map outputs
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