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mGraffiti

mGraffiti. Peter Pesti John Gibby Georgia Institute of Technology. Problem definition. Provide virtual graffiti service to the world Create a sense of community over the boundary of time Supply location-based sharing of experiences and opinions “blog of location” guestbook

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mGraffiti

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  1. mGraffiti Peter Pesti John Gibby Georgia Institute of Technology

  2. Problem definition • Provide virtual graffiti service to the world • Create a sense of community over the boundary of time • Supply location-based sharing of experiences and opinions • “blog of location” • guestbook • Provide an additional fun dimension to excursions and trips

  3. Impactfulness • Broad impact: • public use • Deeper impact: • Flexible framework supports reuse: • Coordinating aid workers • Telephone company maintenance • Geocaching

  4. User interface

  5. User interface

  6. User interface

  7. Technologies • Development tools • Visual Studio .NET 2003 Professional • Pocket PC 2003 SDK • Servers and operating systems • Windows Server 2003 • Windows Mobile 2003 • SQL Server 2000 SP3 • Other technologies • .NET Compact Framework 1.0 • .NET Framework 1.1 • C# • XML Web Services • ADO.NET • ASP.NET • GPS.NET

  8. Architectural overview SOAP SOAP

  9. Client architecture

  10. Server architecture

  11. UTM

  12. Imagery inside TS • Satellite imagery as ~10KB image tiles  designed forfixed browsers • Proprietary image identification

  13. Image tiles • TerraServer tiles are split in four • Identified by UTM coordinates • Cached in mGraffitiService • Cached on PDA

  14. Questions…

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