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   *****        Installation Instructions for HEC-GeoRAS     ******
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HEC-GeoRAS runs on either Windows NT or UNIX operating systems.  You 
must have ARC/INFO 7.1 (Environmental Systems Reasearch Institute, Inc.,
Redlands, CA) or higher with the TIN extension to use HEC-GeoRAS and 
it needs only be installed on the ARC/INFO host server.

There are two different install procedure depending on the operating 
system, as highlighted below.  For further instruction on installing 
HEC-GeoRAS, refer to Chapter 3 of the HEC-GeoRAS User’s Manual.
			
There are two principal steps to installing HEC-GeoRAS: (1) HEC-GeoRAS
must be installed from the setup program and (2) System Environment 
Variables must be set.

****Windows NT*****
To install HEC-GeoRAS from Windows NT, complete the following:
              1.   Know where ARC/INFO is installed.
              2.   Insert the HEC-GeoRAS disk into the drive.
              3.   From the window explorer, open the GeoRAS folder. 
              4.   Double click Setup.exe.
              5.   Follow the setup instructions that appear on the screen.
              6.   Set the Environment Variables.

To set the Environment Variables, do the following:
              1.   Press the Start -> Settings -> Control Panel from the
                   Windows NT menu bar.
              2.   From the Control Panel, open the System controls and
                   choose the Environment tab.
              3.   Set the Variable and Value and listed below.

Variable                            Value
CANVASCOLOR               WHITE
CROSSHAIRCOLOR          MAGENTA (recommended)
ARCPANZOOM                 ON
ARCWINDOWSTATS         ON (recommended)
ARCINFOFONTNAME        COURIER NEW (recommended)
ARCINFOFONTSIZE           8 (recommended)


****UNIX****
To install HEC-GeoRAS on a Unix system, complete the following:
               1.   Execute the installation script:
                             <path_to_CD_ROM>/unix/install
                     (On most Sun Solaris systems, this would be
                      /cdrom/cdrom0/unix/install )
               2.   Set the Environment Variables (see next section).

(Alternatively, you can copy the files "install" and "georas.tar" from the unix 
directory on the CD-ROM to any directory on your file system and run 
the install program from there.  Note that the install script and the 
georas.tar file must be located in the same directory.)

Installing HEC-GeoRAS requires that the ARCHOME environment variable be set
for the user doing the installation.  The install program will exit if this
variable is not set (you can’t run ARC/INFO without this variable, either).
                              
To set the Environment Variables, add the following lines to the .cshrc file
of all HEC-GeoRAS users.
	setenv CANVASCOLOR WHITE
	setenv ARCPANZOOM ON
	setenv CROSSHAIRCOLOR MAGENTA
	setenv ARCWINDWSTATS ON