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Open-File Report 2008–1120

User’s Manual for the Object User Interface (OUI): An Environmental Resource Modeling Framework

By Steven L. Markstrom and Kathryn M. Koczot


Thumbnail of and link to report PDF (4.3 MB)

The Object User Interface is a computer application that provides a framework for coupling environmental-resource models and for managing associated temporal and spatial data. The Object User Interface is designed to be easily extensible to incorporate models and data interfaces defined by the user. Additionally, the Object User Interface is highly configurable through the use of a user-modifiable, text-based control file that is written in the eXtensible Markup Language. The Object User Interface user's manual provides (1) installation instructions, (2) an overview of the graphical user interface, (3) a description of the software tools, (4) a project example, and (5) specifications for user configuration and extension.

Version 1.0

Posted August 2008

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Suggested citation:

Markstrom, S.L., and Koczot, K.M., 2008, User’s manual for the object user interface (OUI)—An environmental resource modeling framework: U.S. Geological Survey Open-File Report 2008–1120, 39 p.




Installation Instructions

Graphical User Interface Overview

Software Tools

OUI Project Example: Feather River Basin

OUI Project Configuration

OUI Project Extension


References Cited



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