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Research Project:
INTEGRATED FARM AND RANCH MANAGEMENT DECISION SUPPORT SYSTEM (IFARM DSS)
Location: Agricultural Systems Research Unit
Title: DEVELOPMENT OF A FORAGE GROWTH COMPONENT IN THE OBJECT MODELING SYSTEM
Authors
 | Andales, Allan | | David, Olaf - COLORADO STATE UNIVERSITY | |
Ahuja, Lajpat
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Submitted to: American Society of Agricultural Engineers Meetings Papers
Publication Type: Abstract Only
Publication Acceptance Date: May 12, 2005
Publication Date: July 17, 2005
Citation: Andales, A.A., David, O., Ahuja, L.R. 2005. Development of a forage growth component in the object modeling system. American Society of Agricultural Engineers Meetings Papers. 2005 ASAE Annual International Meeting, Tampa, FL, July 17-20, 2005. Paper #053011.2005. Extended Abstract.
Interpretive Summary: The Object Modeling System (OMS) is a framework that facilitates the development of customized models from a standardized library of science, data and utility modules, as well as their testing, application and deployment. It is an interagency project between the USDA-ARS, USGS, and USDA-NRCS to implement object-oriented modeling principles that achieve code reusability and greater ease of maintenance. This paper demonstrates the development of a rangeland forage component in OMS using two approaches: (1) wrapping of an existing non-object-oriented forage module written in FORTRAN 90; and (2) creating a fully object-oriented forage module written in JAVA. The first approach demonstrates reuse of legacy code from an existing model while the second approach demonstrates the development of a native OMS module. Features of OMS relevant to module development are also highlighted. OMS can leverage previous investments in legacy science modules and facilitate the development of object-oriented modules within a framework that maximizes code reusability and ease of maintenance.
Keywords. Object Modeling System, OMS, modeling framework, component oriented programming, modularity, forage growth
Technical Abstract:
The Object Modeling System (OMS) is a framework that facilitates the development of customized models from a standardized library of science, data and utility modules, as well as their testing, application and deployment. It is an interagency project between the USDA-ARS, USGS, and USDA-NRCS to implement object-oriented modeling principles that achieve code reusability and greater ease of maintenance. This paper demonstrates the development of a rangeland forage component in OMS using two approaches: (1) wrapping of an existing non-object-oriented forage module written in FORTRAN 90; and (2) creating a fully object-oriented forage module written in JAVA. The first approach demonstrates reuse of legacy code from an existing model while the second approach demonstrates the development of a native OMS module. Features of OMS relevant to module development are also highlighted. OMS can leverage previous investments in legacy science modules and facilitate the development of object-oriented modules within a framework that maximizes code reusability and ease of maintenance.
Keywords. Object Modeling System, OMS, modeling framework, component oriented programming, modularity, forage growth
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