Eyes in the Sky II > GIT Web Course > Module 2 > Week 5 > Intro to GIS > Intro to AEJEE

Week 5: Monitoring Invasive Species

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Intro to ArcExplorer Java Edition for Education (AEJEE)

identify and map hovering2

ArcExplorer Java Edition for Education (AEJEE) is a downloadable, lightweight Geographic Information Systems (GIS) tool for exploring geographic data. It is possible to combine point, line, polygon, and image data in a GIS such as AEJEE. AEJEE comes with a large selection of built in data that can be used in projects. AEJEE can save and open projects, so work can be shared between users, or between school and home. AEJEE can classify and symbolize shapefiles, display image data, project on-the-fly shapefiles stored in decimal degrees, and use data distributed over the Internet from ArcIMS services from the Geography Network, or other hosted ArcIMS sites.

It is also possible to use AEJEE with data that is downloaded from a GPS unit to create custom layers of information that then can be related to scientific and other types of data. GIS Data is often freely available over the Internet from cities, counties and federal organizations such as the National Park Service (NPS) and the United States Geologic Survey (USGS).


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The AEJEE Toolbar

The AEJEE toolbar contains a variety of tools for analyzing and manipulating geographic data. You will learn about the tools as you use them.


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Download Geographic Data About Invasive Species

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Explore a GIS Map

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Zoom in and out

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Click on the movie to start playing.


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Find longitude and latitude

Move the cursor across the map to discover changes in X and Y and how they relate to longitude and latitude.

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Click on the movie to start playing.


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Discover How the Layers Build the Map

A GIS map — is made of layers of geographic information connected to specific places on Earth. GIS layers can be global, regional, or local. They can represent 1) points, such as cities, 2) lines, like rivers and roads, or 3) geographic areas such as states and countries.

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Turn layers on and off

To turn a layer on or off, click in the check box next to the name of the layer. The layer will then be displayed on the map. top of page

Move layers in the Table of Contents

To the left of the map space is a listing of Layers, called the Table of Contents.
Each layer in a GIS builds the map. The data that make up the layers are shown as either points, lines, or polygons. These layers come from shapefiles, a standard GIS data format. (It is also possible to add images to a GIS.) The layers are drawn from the bottom to the top as they appear in the Table of Contents. If not positioned properly, it is possible for some layers to cover up others. In general, polygons should be placed at the bottom, while lines and points should be arranged near the top.

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Click on the movie to start playing.


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Understand Which Layer You Are Working With

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Make a layer active

When you click on the name of a layer, it is highlighted and becomes active, which tells AEJEE to pay attention to it. Understanding the difference between a layer that is turned on and one that is active can save you time and help prevent frustration. A layer may be on or off as well as active or not. Layers that are on have a checked box while layers that are active are highlighted dark blue. More than one layer can be on and more than one layer can be active.
Turn on and make the US Rivers layer active. top of page

Zoom to Active Layer

Zoom to the active US Rivers Layer. Movie Icon

Click on the movie to start playing.


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Investigate the Geographic Data Behind the Map

What sets a GIS apart is the database of information linked to each layer drawn on the map. This makes it a powerful tool for decision-making and science. The data for each feature displayed on the map can be found in the Attribute Table. This table, or database, contains the geographic records in horizontal rows. The vertical columns, or fields, are the attributes of the data.
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Examine data in the Attribute Table

Select several US Rivers to connect rivers with their river systems.

Select all the rivers in the Colorado River System.

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Find features with the Identify Tool

Find rivers on the map with the Identify tool identify button

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Click on the movie to start playing.

Find Tool Movie
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Explore More if You Have Time

Explore the Attribute Tables of other layers in the map to see the different types of data linked to the map layers.

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Resources

Additional AEJEE Resources
  • Instructional Materials for AEJEE
  • Getting started with GIS
  • Download documentation for AEJEE
  • Geospatial Technology Curriculum Page

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    Movies On This Page

    How to download movies

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    Flash video versions

    Download these versions to play on your computer. You'll need an appropriate movie player to view the file, such as Flash Player, Real Player (Mac / Win), or Adobe Media Player.

    Movie Icon Zooming AEJEE

    Movie Icon Longitude and Latitude AEJEE

    Movie Icon Layers AEJEE

    Movie Icon Active Versus On AEJEE

    Movie Icon Investigating Database AEJEE

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    iPod versions

    Download these version to play on your iPod or iPhone.

    Movie Icon Zooming AEJEE

    Movie Icon Longitude and Latitude AEJEE

    Movie Icon Layers AEJEE

    Movie Icon Active Versus On AEJEE

    Movie Icon Investigating Database AEJEE


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