Using ArcCatalog

or a TIN. If the raster dataset
already has coordinate system
information, you can also use
the Define Projection Wizard to
change that information. If the
raster dataset exists as a format
other than a grid, you will see
the Spatial Reference Properties
dialog box.
Tip
Go back to make changes
If you want to change any of the
parameters in the wizard, you can
go back by clicking the Back
button.
Tip
Defining coordinate
systems for grids
The way you define the coordinate
system of a raster dataset that is a
grid is the same way you would
define a coordinate system for a
coverage or a TIN. For other
raster datasets, please see the
following section.
4. Select Define the coordinate
system interactively.
You can select the other
option; however, it will take
you through some steps not 4
represented here.
5. Click Next.
6. Click the appropriate
coordinate system in the
Projections list in the left. A
description of the coordinate
system appears on the right.
7. Click Next.
8. Enter the appropriate
parameter values for the
coordinate system; each one
has a different set of
parameters.
9. Click Next.
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224 USING ARCCATALOG