Cabarcas Álvarez, Amaury

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    Tin: terrascope image navigator providing effective ubiquitous access to distributed multimedia earth science data
    (2003) Cabarcas Álvarez, Amaury; Vélez Rivera, Bienvenido; College of Engineering; Rodríguez Martínez, Manuel; Rivera Vega, Pedro I.; Department of Electrical and Computer Engineering; Castellanos, Dorial
    In this thesis we describe the design of the TerraScope Image Navigator (TIN), the graphical user interface module of the TerraScope system. TerraScope is an earth science data middleware system that was designed to facilitate collaboration among a set of providers (peers) who wish to provide their own distributed geospatial data. The base of the system is a distributed database that collects heterogeneous spatial data taken from satellite ground stations. TIN as a component of TerraScope, retrieves images and related information from the distributed database and deals with the effective presentation of this kind of data to the user. The TIN prototype was implemented using an interactive movie authoring environment (Flash MX) and XML (eXtensible Markup Language) to communicate queries and retrieve data and metadata from the server. As a result, we expect to port TIN to multiple platforms, including portable devices, with relative ease. The idea behind TIN is allow to the users post queries and geo-represent automatically the results from the database. The user makes queries easily selecting the area of the earth he/she is interested in, date intervals and the sensor or sensors, then TIN represents the location of the images that match the user’s search. Each image serves as a hyperlink that can be used to navigate into smaller geographical area where the user may recursively search the database for sub-images contained within the geospatial region covered by this base image.