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Digital Library Presenter: Gary Phelps Prof. Guo Lab School of Engineering.

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Presentation on theme: "Digital Library Presenter: Gary Phelps Prof. Guo Lab School of Engineering."— Presentation transcript:

1 Digital Library Presenter: Gary Phelps Prof. Guo Lab School of Engineering

2 Outline Background of Digital Library Development –Zope overview –Metadata and Spatial Data –Demo

3 Background Easy way to store & share data Search, Upload, Download, etc. Secure way to share data –Public vs. Private data sharing –Assignable permissions (access control) –Metadata Functionality and Spatial Extent Assign metadata for each data uploaded Assign spatial extent for each data uploaded

4 Development Point Data –Longitude/Latitude marker display Spatial Extent –Polygon of existing data –LiDAR functionality Multi-tabbed for overlying extent –DEM, DSM over same extent Both viewable in map –UTM convertible if necessary

5 Metadata and Spatial View Metadata File z File y File x Spatial View Metadata -Multi File control Spatial Extent -Ex: LiDAR flights, transects, etc. -Point data (collected at particular location). -Uses Google Maps API -KML functionality

6 Spatial Data Can store an up to ~3gb per file –LiDAR is typically very large –Other large datasets Can create FTP site –Large transfers and downloads –Can also download metadata with data

7 Demo http://qguo03.ucmerced.edu:8081/snsjno.0/files/MHWG/Field/SEKI/Wolver ton/Site_1/test

8 Development Built with open source library Zope Zope –Content management –Python extensible (easy development) –Security assignable –Relational Database (catalog) –Supports many different languages Python, Html, JavaScript, etc.

9 Development GUI Index Spatial.html PolySearch.js Zope Catalog (Database) Zope Catalog (Database) SearchPoly.html Google Maps API CreateZip.py Server Query Server Query View Location Click Zope 2.10, Python & Html Dev Graphical Interface (Download Data button in map) Parse Metadata (Polygons, Points) & KMLS. Check boundary for metadata match of file(s) Create Zip File of metadata and file(s) Return files(s) that fall within search

10 Developers 1 st version: Bales and Harmon Lab –Jason Fisher 2 nd version: Guo lab –Gary Phelps, Otto Alvarez, Jacob Flanagan, Andrew Zumkehr


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