Introducing%20the%20CUAHSI%20Hydrologic%20Information%20System%20Desktop%20Application%20(HydroDesktop)%20and%20Open%20Development%20Community

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Introducing the CUAHSI Hydrologic Information
System Desktop Application (HydroDesktop) and
Open Development Community

• Jirí Kadlec,
• Daniel Ames,
• Teva Velupillai
• Jeff Horsburgh
• Idaho State University
• Utah State University
• Some Slides Courtesy of the CUAHSI HIS Project
  Team

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Talk Overview

• Hydrologic Information System
• HydroDesktop Application
• MapWindow GIS Components
• Community Development

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What is HIS?

• The CUAHSI Hydrologic Information System (HIS)
  provides web services, tools, standards and
  procedures that enhance access to more and better
  data for hydrologic analysis.
• http//his.cuahsi.org

Consortium of Universities for the Advancement
of Hydrologic Science, Inc.http//www.cuahsi.org
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Water Data
Water quantity and quality
Rainfall Snow
Soil water
Modeling
Meteorology
Remote sensing
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HIS System Overview
HIS Central
Data Registration
HIS Central
Metadata Catalog
Data Discovery
Hydro Desktop
Users
Data Access
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HIS Server
Real-time Sensors
Data Archives

• Built for data
• Storage
• Loading
• Analysis
• Publication
• HIS Software free of charge

HIS Server
SQL Server
Outside Users, HIS Central, HydroDesktop
Local Users
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HIS Central

• Stores metadata
• Sites
• Variables
• Search Keywords
• Does not store actual observation data
• Example GetSitesInBox query function

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Getting Water Data (the old way)
Different Query Pages
Different Query Responses
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Web Pages versus Web Services
http//www.safl.umn.edu/
http//his.safl.umn.edu/SAFLMC/cuahsi_1_0.asmx
Uses WaterML (a Markup Language for water data)
Uses Hypertext Markup Language (HTML)
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HTML as a Web Language
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WaterML as a Web Language
Graphical display of streamflow data
Streamflow data in WaterML language
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HydroDesktop Client Application
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HydroDesktop Capabilities
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HydroDesktop Data Search
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HydroDesktop Data search select region
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HydroDesktop Data search select keywords
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HydroDesktop data search Select time range and
data services
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HydroDesktop Data search Search Results
Precipitation and Temperature, Columbia River
Basin
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HydroDesktop Data Download
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Hydrodesktop Table View

• List of sites and data series
• Data values table
• Export and edit data values
• Downloaded data is stored by default in a local
  SQLITE database (similar to MS Access)

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HydroDesktop Graph View
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HydroDesktop Building blocks
Actual Data Dababase
MapWindow GIS Components
Metadata Cache Database
HydroDesktop Main Application
Plug-in Interface
Search plug-in
Graph View plug-in
Metadata plug-in
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MapWindow GIS Components

• Map
• Legend
• Toolstrip
• Toolbox
• Progress Handler
• Plug-in Manager

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HydroDesktop Plug-in Development
Plug-ins

• Extend Hydrodesktop functionality
• c or VB.NET
• Build and copy a .dll file

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HydroDesktop Collaborative Development A
web-based collaborative software development
environment was set up on CodePlex.com. This site
includes a discussion forum, documentation wiki,
source code repository and versioning system, and
bug/issue tracking system.
www.HydroDesktop.org
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Thank you for your attention
www.HydroDesktop.org
www.mapwindow.org