HYDRODESKTOP: AN OPEN SOURCE GIS- BASED PLATFORM FOR HYDROLOGIC DATA DISCOVERY, VISUALIZATION, AND ANALYSIS

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1 HYDRODESKTOP: AN OPEN SOURCE GIS- BASED PLATFORM FOR HYDROLOGIC DATA DISCOVERY, VISUALIZATION, AND ANALYSIS Daniel P. Ames, Ph.D. P.E. Idaho State University With Jiří Kadlec, Yang Cao, Dinesh Grover and many others

2 WATER DATA Water quantity and quality Soil water Rainfall & Snow Remote sensing Meteorology Modeling

3 POINT WATER OBSERVATIONS TIME SERIES A point location in space A series of values in time

4 WHERE DOES HYDRODESKTOP FIT IN HIS CUAHSI HIS Sharing hydrologic data Metadata HIS Central Data Discovery and Integration Internet based system to support the sharing of hydrologic data comprised of hydrologic databases and servers connected through web services and software for data publication, discovery and access. Data HydroServer Data Publication WaterML GML OGC Services Analysis HydroDesktop Data Synthesis and Research

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6 POSITIONING STATEMENT

7 HYDRODESKTOP: ACQUIRE DATA Themes/ Shapes

8 HYDRODESKTOP: ACQUIRE DATA

9 EXCEL: COMPILE DATA USING PIVOT TABLE "The National Geodetic Vertical Datum of 1929: The name, after May 10, 1973, of (the) Sea Level Datum of 1929." (vertical control datum established for vertical control in the United States by the general adjustment of 1929." Groundwater Level: Std. Dev. Values

10 EXCEL: COMPILE DATA USING PIVOT TABLE Temperature: Monthly Average Values

11 EXCEL: COMPILE DATA USING PIVOT TABLE Precipitation: Monthly Total (Sum) Precipitation value

12 NULL HYPOTHESES: IN THE STATE OF TEXAS, THE MONTHLY CUMULATIVE PRECIPITATION HAS NO BEARING ON CHANGE IN GROUND-WATER LEVEL.

13 Average Temperatures Data : Jan 2010 Frequency Histogram Transformation: None Count Min : 77 : 0 Skewness Kurtosis : : Max : st Quartile : Mean : Median : Std. Dev. : rd Quartile : g Semivariogram/Covariance Cloud Data 10 Data Source: Texas_temp_pf Attribute: Jan10 Data's Quantile Normal QQPlot Transformation: None Distance, h Data Source: Texas_temp_pf Attribute: Jan10 Semivariogram/Covariance Cloud C Standard Normal Value Data Source: Texas_temp_pf Attribute: Jan Distance, h 10 Data Source: Texas_temp_pf Attribute: Jan10

14 PRECIPITATION DATA : JAN 2010 Histogram Transformation: None Semivariogram/Covariance Cloud Frequency Count : 83 Min : 0 Max : 6.99 Mean : Std. Dev. : Skewness Kurtosis 1-st Quartile Median 3-rd Quartile : : : : 2.1 : g Data Source: Texas_Prec_pf Attribute: Jan10 Data Distance, h Data Source: Texas_Prec_pf Attribute: ValueCount Data's Quantile 6.99 Normal QQPlot Transformation: None C Semivariogram/Covariance Cloud Standard Normal Value Data Source: Texas_Prec_pf Attribute: Jan Distance, h 10 Data Source: Texas_Prec_pf Attribute: ValueCount

15 PRECIPITATION/TEMP DATA : JAN 2010: CROSS- COVARIANCE CLOUD Crosscovariance Cloud g Distance, h 10 Data Source #1 Layer: Texas_temp_pf Attribute: Jan10 Data Source #2 Layer: Texas_Prec_pf Attribute: Jan10

16 Average Temperatures Data : IDW Interpolation

17 Precipitation: IDW Interpolation

18 Ground Water Level Change: Data: IDW Interpolation

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20 POSITIONING STATEMENT For (target audience), (HydroWeb.info) is the (frame of reference) that delivers (benefit/point of difference) because only (HydroWeb.info) is reason to believe). 2 Hydrologic data Researchers Academia Others Target Audience Frame of Reference Data Access Data available anytime, anywhere Benefits/ point of difference Reason to believe Convergence to Web New Technologies enable interaction with large Geospatial Information Systems Frame of Reference Key Components of CUAHSI-HIS 3 2 Positioning Statement Format courtesy website 3 HIS triangle image courtesy website 20

21 THE DEVELOPMENT OF THE IDEA.. Data discovery search and download of timeseries data Select Target Area Select date, webservices Select keyword Get timeseries data availability list Download the time-series data 21

22 POSITIONING OF SEARCH MODULE IN HYDRODESKTOP 22

23 FUNCTIONAL SPECIFICATIONS OUTLINE FOR HYDRODESKTOP NEW SEARCH MODULE Users User initiates the HydroDesktop.exe application on his Desktop Result Display in Map Add Theme to Map Layers Port Data to SQLite on Client s machine Select Area Select Map Active Layer from Map-Legend or by Dropdown ComboBox in Search Module Select Field in the map-table Select Target Area All Select Webservices By Default all webservices selected Select Webservices Select few Select Keywords 3-way Keyword(s) view with option of switching between list Box and TreeView Create 3-way keyword search: Input text, List box and TreeView control No Create New Theme Download data Yes Select Existing Theme Yes Results By Map Select By Name in Listbox Select dates Select Search Start and End date Select keyword(s) No Data Series (Results) available Start Catalog Search Run Search No No No No Valid Area Names Selected Yes Valid Yes Yes Valid Dates Webservices Provided Selected Valid Keywords Selected Yes Search Management Search Summary dynamically displays all Search Parameters Display Search parameters on demand Save and Restore Searches Save Search parameters in XML document 23

24 TECHNICAL SPECIFICATION OUTLINE FOR NEW SEARCH CONTROL INTERFACE Interface1 Main User Interface Parent Application: HydroDesktop Dot Spatial Plugin Architecture «Class» mainribbonform -Class +Form() «Class» EditPluginsForm -Class +Form() «Class» ChangeDatabase -Class +Form() «Class» SaveProjectAsForm -Class +Form() «Class» DeleteThemeForm -Class +Form() «Class» Resources -Class - +() - +() Mapping Objects System (Visual Studio 10.0) DotNet 4.0 Search Control Supporting Utilities -User Control Plugin Interface «utility» Class Utilities -Downloader -HdSearchOntologyHelper -HISCentralSearcher -Search Criterion -SearchDataGridView -Webservicelist -TimeSeriesDownloadsResults 24

25 FUNCTIONAL OUTLINE FOR CREATING WEB-BASED HIS DATA SEARCH/DOWNLOAD MODULE: HYDROWEB.INFO 25

26 FUNCTIONAL SPECIFICATION OUTLINE FOR HYDROWEB.INFO 26

27 TECHNICAL SPECIFICATION OUTLINE FOR HYDROWEB.INFO 27

28 WEBCLIENT HTTPREQUEST FORMATION <?xml version="1.0" encoding="utf-8"?> <access-policy> <cross-domain-access> <policy> <allow-from http-request-headers="*"> <domain uri="*"/> </allow-from> <grant-to> <resource path="/" includesubpaths="true"/> </grant-to> </policy> </cross-domain-access> </access-policy> 28

29 PHP 5.0: CONDUIT SITTING ON WEB-SERVER <?php header("content-type: text/xml\n\n"); $query = $_SERVER['QUERY_STRING']; $catalogsite = " x/ GetSeriesCatalogForBox2?"; $url = $catalogsite. $query; $curl = curl_init(); curl_setopt($curl, CURLOPT_URL, $url); curl_setopt($curl, CURLOPT_HEADER, false); curl_setopt($curl, CURLOPT_RETURNTRANSFER, true); $xml = curl_exec($curl); curl_close($curl); echo($xml);?> 29

30 CHALLENGES FOR ALL ROLE-PLAYERS. 30

31 HYDROWEB.INFO: BUILD THE SEARCH 31

32 HYDROWEB.INFO: DOWNLOAD THE TIME-SERIES DATA 32

33 HYDROWEB.INFO: CHECK THE DATA IN TABLES 33

34 HYDROWEB.INFO: CHECK THE DATA IN GRAPH (LINE-SERIES) 34