Introducing Geographic Information Systems with ArcGIS: A Workbook Approach to Learning GIS, 3rd Edition

Is the Newly Found Data Applicable?

Although the Landcover coverage and the Soils personal geodatabase feature class probably occupy the same piece of real estate (note that the projected coordinates you wrote down previously are approximately the same for both), you have to make sure. Suppose that, by looking at some paper documentation, you are able to determine that the projected coordinates shown are in fact in meters and the projection of the coverage is WGS84 UTM Zone 18, just like your other data. So you should fix up the coverage so that it has the same spatial metadata as the other data sets. You can do this with ArcCatalog. When you were reviewing the Landcover coverage (in Other_Data), you may have noticed a SOILS coverage also. Maybe, since they’re in the same folder, they are related and SOILS has the needed metadata.

____ 18. In the ___IGIS-Arc_YourInitials\Other_Data folder, check the spatial metadata for the SOILS coverage against the spatial metadata for the Soils personal geodatabase feature class, located in

___IGIS-Arc_YourInitials\Wildcat_Boat_Data

\Wildcat_Boat_Data.mdb\Area_Features

Also check the coordinates for the SOILS coverage against the coordinates for both the Soils personal geodatabase feature class and Landcover coverage.

• Do they have the same coordinate systems (including the false easting and false northing)? ____________________________
• Are the projected coordinates similar? _______________________

So at this point you should feel comfortable ...