Arcgis hec ras interface data model rashydro
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ArcGIS HEC-RAS Interface Data Model “RASHydro”. July, 2003. Objectives. Transform the pre- and post- file structure of HEC-RAS into a geodatabase format Provide a geographic database for HEC-RAS information content for reverse-engineering purposes

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ArcGIS HEC-RAS Interface Data Model “RASHydro”

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Arcgis hec ras interface data model rashydro

ArcGIS HEC-RAS Interface Data Model“RASHydro”

July, 2003


Arcgis hec ras interface data model rashydro

Objectives

  • Transform the pre- and post- file structure of HEC-RAS into a geodatabase format

  • Provide a geographic database for HEC-RAS information content for reverse-engineering purposes

  • Take advantage of existing spatial functionalities in Arc Hydro data models and HEC-GeoRAS pre- and post- processor for floodplain analysis

  • Facilitate model connectivity/interface with external applications


Geodatabase design

Geodatabase Design

Formatting a model-content geodatabase with HEC-RAS data storage structure to add interface functionalities

A Model Interface GDB

Visio 2000 UML

ArcGIS Repository

Geodatabase Schema


Model associations are preserved

Model Associations are Preserved

Maintains relationships between hydrologic elements in HEC-RAS model, features in RASHydro geodatabase, and ArcHydro

Arc Hydro

HydroID

RAS Interface

FeatureID

ModelID


Equivalent representation of model content

Equivalent Representation of Model Content

RASHydro geodatabase

HEC-RAS files


Main components

Main Components

  • Geometry Import File Feature Dataset

  • Geographic Data Export File Feature Dataset

  • ProfileLine feature dataset

  • Cross Section feature dataset

  • Time Series object classes


Arcgis hec ras interface data model rashydro

Geometry Import File Feature Dataset for HEC-RAS


Arcgis hec ras interface data model rashydro

Geographic Data Export File Feature Dataset for HEC-RAS


Arcgis hec ras interface data model rashydro

The Profile Line Feature Dataset


Arcgis hec ras interface data model rashydro

The Cross Section Feature Dataset


Arcgis hec ras interface data model rashydro

The Time Series Manager


Final remarks

Final Remarks

  • A work in progress and some refinements and extensions still need to be done

  • Inclusion of bridges and culverts, levees, Ineffective flow areas, weirs, and blocked obstructions needs to be done

  • Final version of the HEC-RAS interface geodatabase should include all possible set up configurations and options to store the complete Model representation of the project at hand


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