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Table 1. SPDSS Visualization Software Assessment <br />A lication Evaluation Comments Utility /Compatibility with <br />pp cD1.CC ,~.,.., <br /> Fast, very Internet friendly, ubiquitous geospatial viewer; Surface SPDSS data could be <br /> Provides whole `globe' full of free base data; <br />integrated with Google-Earth in <br /> Not a very good GIS platform from a cartographic, powerful <br />easy to use <br /> analysis or geoprocessing standpoint; , <br />, <br />visualization tool; <br /> From a GIS perspective, just a viewer with excellent Free download and a growing <br /> hooks for additional data streams; user-support group could allow <br />Google Earth Possibly best free viewer available to view GIS data from SPDSS data to be made widely <br /> disparate sources; available; <br /> No sub-surface capability -could possibly `fake it' by Currently does not enable sub- <br /> embedding groundwater features in asemi-transparent surface data handling (e.g. <br /> extrudedpolygon, with a ground overlay at the bottom to groundwater), and lacks query <br /> mask the surface features; capabilities in freeware version. <br /> Quite straightforward for users with basic computer <br /> literacy to pickup and use; <br /> Price range of $2,500-$10,000; <br /> Links to GIS (ArcView); <br /> Very powerful software package -allows display of <br /> environmental site data in athree-dimensional <br /> framework, <br /> EVS is used to display 3-D images created from <br />Superior combined data <br /> commonly used environmental site data; manipulation <br />modeling and <br /> Software processes data and displays the results , <br />visualization capabilities (at a <br /> graphically as three-dimensional sampling locations, cost); <br />EVS three-dimensional plume volumes above a certain action Emphasis on sub-surface <br /> level, and three-dimensional kriged contoured surfaces; visualization of modeled <br /> Results can be displayed in multiple configurations by results, so would handle <br /> using tools to zoom, pan, rotate, and cut cross sections groundwater data effectively. <br /> through 3-D space; <br /> Animations can be created to show site conditions from <br /> different 3-D perspectives, plume volumes at varying <br /> action levels, and fate and transport modeling results <br /> showing movement of a chemical from an area of <br /> concern overtime; <br /> It is possible to integrate your <br /> Freeware; own data into this visualization <br />NASA World Wind Essentially a base for displaying and zooming into NASA tool, but the emphasis is <br />definitely on planetary <br /> satellite data; information. Very little support <br /> currently available <br />Page 3 of 7 ~Ixlverslde Technafagy, Inc, <br />Wafer Aescurces Engn~eerrag and Consuffrnq <br />