Geography Reference
In-Depth Information
26.
Look at the attribute table for the Soils personal geodatabase feature class. Obtain statistics
for the Shape_Area column of the table. What is the smallest area (to one decimal place)?
________ The largest? _______Close the Statistics window and sort the table from smallest to
largest and verify the minimum and maximum numbers. What is the area of the largest polygon
that is not water? ____________.
27.
In the Catalog Tree click on the Soils icon. Right click the icon. Then select Properties > Fields.
Fill out the following table, except for Width.
Field Name
Data Type
Width
___________
___________
___________
___________
___________
___________
___________
___________
___________
___________
___________
___________
___________
___________
___________
___________
___________
___________
28.
Cancel the personal geodatabase feature class Feature Class Properties window. Find the
names of the attributes by using the metadata, check them against what you wrote above, and
add the Width.
29.
Click the Contents tab. In the Catalog tree select the Line_Features personal geodatabase
feature dataset. Check out the presentation using the four display options on the standard
toolbar: Large Icons, List, Details (scroll to see them), and Thumbnails.
30.
In the personal geodatabase feature dataset Line_Features, select Roads. Make a thumbnail of
the northwest portion of it. (You may need to check your Fast Facts File to recall how to make a
thumbnail.) Click the Contents tab and note the thumbnail and some general information about
the feature class. What is its projection?
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__________________.
31.
Click the Description tab and quickly glance through the overall Description, the ArcGIS
Metadata > Resource Identification as well as FGDC Metadata > Identification. As with much
metadata you will find, there is a lot of missing information. Under FGDC Metadata > Metadata
Reference, note the metadata date the contents were last updated: _____________. (Cryptically
the date is given YYYY-MM-DD and times are often given HH-MM-SS-OO.)
32.
Look at the FGDC Metadata > Spatial Reference of the data. What is the geographic coordinate
system name? ___________________________ What is the projected coordinate system
name? ___________________ To the nearest hundredth of a degree, what are the geographic
coordinates of the northwest corner? ___________________, __________________. The
southeast corner? ____________________, ______________.
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If the projection is not revealed, it may be that ArcCatalog reverted to its default options. Reset the options. (How to
do this should definitely be in your Fast Facts File.)
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