GIS 1

GIS Lecture 3

GIS Outputs

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Outline

•GIS Project Steps•Map Audiences•Presenting Maps and Data•Map Layouts•Map Scales•Multiple Maps•Reports and Graphs on a Layout•Exporting Maps•Other Map Outputs

GIS Project Steps and Map Audiences

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GIS Project Steps

1. Define problem and project goals2. Develop methodology and analysis flow3. Data inventory, input, manipulation, and management

4. Analysis and accuracy assessment5. Presentation

- Poster-sized map, - Journal paper, - PowerPoint presentation, etc.

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Map Audience Map Use: Exploration Presentation Audience: Trained Analyst General Public

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Map Audience Map Use: Exploration Presentation Audience: Trained Analyst General Public Purpose: Visual ThinkingCommunication

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Map Audience Map Use: Exploration Presentation Audience: Trained Analyst General Public Purpose: Visual ThinkingCommunication Advantages: Graphical Believable

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Map Audience Map Use: Exploration Presentation Audience: Trained Analyst General Public Purpose: Visual ThinkingCommunication Advantages: Graphical Believable Granularity: Fine Coarse

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Map Audience Map Use: Exploration Presentation Audience: Trained Analyst General Public Purpose: Visual ThinkingCommunication Advantages: Graphical Believable Granularity: Fine Coarse

Symbols: Abstract Mimeticcapital

railroad

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Presenting Maps and Data

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Presenting Maps and Data•Showing data to the general public should be simple and easy to read•Know your data

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Presenting Maps and Data Population

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Presenting Maps and Data Population per Square Mile

Map Layouts

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ArcView Layouts

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Printed Map Layouts

Concise Title•topic, place, time

Legend•Word “Legend” or “Key” not needed

Data Source•Source and date data was obtained

Population

0- 50,000

50,001 - 150,000

150,001 - 300,000

300,001 - 600,000

600,001 - 1,200,000

1,200,001 - 2,400,000

2,400,001 - 4,800,000

4,800,001 and greater

U.S. Population by County, 2000

Data obtained from U.S. Census

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Map Elements

Scale •inappropriate for small-scale maps•not needed for familiar large-scale maps

Direction Indicator•north arrow - only for unusual orientations on large-scale maps•use geographic grid on small-scale maps

Photos / Images Neatlines

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Map ElementsNeatline, Scale, Additional Text, Photos

Example of a bad map...

A better map…

Map Scales

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Dimensionless Map Scales•ratio that relates a unit of measure on a map to some number of the same units of measure on the earth's surface•1:25,000•tells us that 1 unit of measure = 25,000 of the same units on the earth's surface•1” on the map = 25,000 inches on the earth's surface •one meter or one yard or one kilometer or one mile would represent 25,000 meters or yards or kilometers or miles, respectively, on the earth's surface.

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Large and Small Scale Maps

1:5,000 is large scaleLarge Scale Map Small Scale Map

1:50,000,000 is small scale

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Commonly Used Map Scales

http://id.water.usgs.gov/reference/map_scales.html

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Map Units

Feet or meter is the map unit for many local government GIS applications

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Map Units Inch is the map unit for CAD

applications

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Scale 1:100,000

Scale

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Scale 1:24,000

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Scale 1:10,000

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Scale 1:2,000

Multiple Maps, Reports, and Graphs

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Multiple Maps – Comparing Data

Reports and Graphs

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Reports on a LayoutSelect records to include

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Reports on a LayoutGenerate a report

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Reports on a LayoutAdd report to the layout

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Graphs on a LayoutSelect records to includeCreate a graph and include on layout

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Importing ChartsCreate graph in excelCopy and Paste object to layout

Population

050000

100000150000200000250000300000350000400000

Califo

rnia

Oklaho

ma

Arizon

a

New M

exico

Texa

s

North

Car

olina

Was

hingt

on

New Y

ork

South

Dako

ta

Mich

igan

Mon

tana

Minn

esot

a

Population

Exporting Maps

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Exporting MapsExport Images

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Exporting MapsExport Images

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Exporting MapsExport PDFs

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Exporting MapsCopying to PowerPoint-copy individual objects

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Exporting MapsPaste into PowerPoint or another application-paste objects individually

Other Outputs

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Other Outputs

•ARCIMS (Internet Mapping Server)•ArcExplorer (Free Viewer)•ArcReader (Free Viewer)

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Other OutputsWEB Based Interactive GIS-ArcIMS-http://www.esri.com/software/internetmaps

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Other OutputsArcExplorer-Free GIS Viewing Application-http://www.esri.com/software/arcexplorer

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ArcReader-Free GIS Viewing Application-http://www.esri.com/software/arcgis/arcreader/index.html-

Other Outputs

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Summary

•GIS Project Steps•Map Audiences•Presenting Maps and Data•Map Layouts•Map Scales•Multiple Maps•Reports and Graphs on a Layout•Exporting Maps•Other Map Outputs