GCLAS
Graphical Constituent Loading Analysis System
GCLAS - Version 2.30 2020/10/01
Instructions for installation and execution are provided below.
After installation, see the readme.txt file in the doc subdirectory of
the GCLAS installation directory for summary information on GCLAS.
For assistance, enhancement requests, or to report bugs, send e-mail to
gs-w_help_gclas@usgs.gov.
TABLE OF CONTENTS
A. SYSTEM REQUIREMENTS
B. DISTRIBUTION FILE
C. DOCUMENTATION
D. INSTALLING
o Installing GCLAS
o GCLAS directory structure
E. RUNNING THE SOFTWARE
F. UNINSTALLING GCLAS
G. CONTACTS
A. SYSTEM REQUIREMENTS
A Java Runtime Environment (JRE) is required to install and run
GCLAS. Version 6 or higher is recommended. The latest open-source
implementation of the JRE for Linux and Microsoft Windows platforms can
be downloaded from https://adoptopenjdk.net.
GCLAS should run on most computers running the Windows operating
system.
B. DISTRIBUTION FILE
The following distribution package (containing the software and
information files) is currently available for Windows systems:
gclas_install_2_30.jar
C. DOCUMENTATION
A help manual can be displayed by selecting "Help Topics"
from the GCLAS Help menu. A user's manual can be is available on the
Web at http://pubs.usgs.gov/tm/2006/tm4C1/.
D. INSTALLING
Installing GCLAS
----------------
On Windows, the installer request administrative rights if the user doing
the install is not an administrator.
To install the software, double-click gclas_install_2_30.jar to execute
the installation program and follow the directions on the screen. If the
installation program does not start when double-clicked, open a command
window in the directory that contains gclas_install_2_30.jar and then type:
java -jar gclas_install_2_30.jar
Follow the installer's instructions to complete the installation.
By default, the software is installed in the directory
C:\Program Files\USGS\gclas2.30. This is the recommended installation
directory, but you may use other directories or disk drives.
GCLAS directory structure
-------------------------
The following directory structure will be created (the contents of each
directory are shown to the right):
gclas2.30 files NOTICE.TXT and this README.TXT
`-----bin batch file to run GCLAS
`-----data example input data
`-----doc documentation files
`-----help file containing on-line help text
`-----lib class files and software libraries
`-----lib_data constituent library files
`-----user working directory used by GCLAS shortcuts
`-----Uninstall uninstaller for GCLAS
E. RUNNING THE SOFTWARE
Select the GCLAS shortcut from the Start menu to execute GCLAS. The
Start menu shortcut is found under Programs, in the Program Folder
specified during installation (default: USGS).
See the GETTING STARTED text in the upper right-hand panel of the
GCLAS window and the on-line help for assistance with using GCLAS.
Users with multiple installations of JRE should note that the batch
file executed by the GCLAS shortcuts will execute the first java version
found by the operating system. To execute a different java version,
uncomment and modify as appropriate the lines containing the jrehome
variable in the batch file that executes GCLAS.
F. UNINSTALLING GCLAS
To uninstall GCLAS, open a command prompt window (as administrator if
permissions require) and type:
java -jar C:\Program Files\USGS\gclas2.30\Uninstall\uninstall.jar
and follow the prompts. If GCLAS was not installed in the default location,
substitute the correct path to the Uninstall directory.
G. CONTACTS
Inquiries about this software distribution should be directed to:
U.S.Geological Survey
Office of Surface Water
12201 Sunrise Valley Drive
Mail Stop 415
Reston, VA 20192
e-mail: gs-w_help_gclas@usgs.gov