"Open Hydro" - An Open Source GIS Implementation of the Arc Hydro Data Model
Location
Eccles Conference Center
Event Website
http://water.usu.edu/
Start Date
3-28-2006 9:40 AM
End Date
3-28-2006 10:00 AM
Description
The Arc Hydro data model and specification was originally developed as a platform-independent design intended to demonstrate a set of best practices for geodatabase design for hydrologic data. The concept of developing open and public standards for data exchange and modeling is very appealing and follows similar activities and efforts of the Open Geospatial Consortium (OGC)—although not with respect to hydrologic data. While OGC work is typically associated with open and public specifications for use and implementation in free and open source geospatial modeling tools, the Arc Hydro effort has, to date, only found complete implementation within the commercial ArcGIS software by ESRI Corporation. None of the underlying design concepts and principles of Arc Hydro are strictly limited to implementation in any particular GIS software platform. Therefore the design lends itself well to the idea of open source implementation. MapWindow GIS is one alternative open source desktop GIS with programmable mapping components and a plug-in based architecture that is well suited to serving as a base for an open source Arc Hydro implementation. This paper discusses the challenges and issues associated with porting Arc Hydro into open source GIS—specifically MapWindow—including the following three key design and implementation challenges: 1) redesign and implementation of an appropriate open source geodatabase and database access engine for MapWindow; 2) development of the network analysis support capabilities (functions such as setting source and sink, etc) required by Arc Hydro; and 3) identification and implementation of the additional geoprocessing functions required by Arc Hydro but not currently part of the MapWindow system. We will discuss the current state of the effort and how the challenges identified here are being met, and how this effort can serve as a model for implementation of Arc Hydro (or “Open Hydro”) within any GIS software platform.
"Open Hydro" - An Open Source GIS Implementation of the Arc Hydro Data Model
Eccles Conference Center
The Arc Hydro data model and specification was originally developed as a platform-independent design intended to demonstrate a set of best practices for geodatabase design for hydrologic data. The concept of developing open and public standards for data exchange and modeling is very appealing and follows similar activities and efforts of the Open Geospatial Consortium (OGC)—although not with respect to hydrologic data. While OGC work is typically associated with open and public specifications for use and implementation in free and open source geospatial modeling tools, the Arc Hydro effort has, to date, only found complete implementation within the commercial ArcGIS software by ESRI Corporation. None of the underlying design concepts and principles of Arc Hydro are strictly limited to implementation in any particular GIS software platform. Therefore the design lends itself well to the idea of open source implementation. MapWindow GIS is one alternative open source desktop GIS with programmable mapping components and a plug-in based architecture that is well suited to serving as a base for an open source Arc Hydro implementation. This paper discusses the challenges and issues associated with porting Arc Hydro into open source GIS—specifically MapWindow—including the following three key design and implementation challenges: 1) redesign and implementation of an appropriate open source geodatabase and database access engine for MapWindow; 2) development of the network analysis support capabilities (functions such as setting source and sink, etc) required by Arc Hydro; and 3) identification and implementation of the additional geoprocessing functions required by Arc Hydro but not currently part of the MapWindow system. We will discuss the current state of the effort and how the challenges identified here are being met, and how this effort can serve as a model for implementation of Arc Hydro (or “Open Hydro”) within any GIS software platform.
https://digitalcommons.usu.edu/runoff/2006/AllAbstracts/32