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The ability to search for a feature given the feature name, e.g., given a diversion name, <br />? <br />move the mouse to that location and/or pull up a detail of the feature. <br />The ability to display information in user-specified units, (e.g., SI or English). <br />? <br />The ability to generate hard-copy plots of the display, and text printouts of the database <br />? <br />information (extent of this feature to be determined). <br />The ability to filter data (e.g., diversions according to capacity), will only be included <br />? ? <br />at the request of modelers or where such a feature is needed for QA/QC. (It is <br />assumed that Year 1 activities will concentrate on a specific number of structures; <br />therefore, the development of an all-encompassing query tool would use funds that are <br />needed elsewhere - more query features can be added in Year 2 as more data are <br />available from the database.) <br />The display tool will display data in three graphical formats: <br />(1)Raster maps which are based on a grid system, where each cell in the grid is assigned one <br />value. <br />(2)Vector maps which are line segments defined by their end points; connected line segments <br />or polygons can be assigned one value for each polygon. <br />(3)Icon-based site maps with an icon representing the data collection site. <br />In some cases the user will be able to select sites, lines, cells, or polygons and query the data stored <br />in INFORMIX. The spatial data to be displayed by the GIS component of the display tool during the <br />first year will include: <br />river reach (vector - stream order will affect display when zooming in) <br />? <br />municipal location (icon) <br />? <br />topography/elevation (raster) <br />? <br />soil type (raster) <br />? <br />crop type of irrigated lands (raster) <br />? <br />surface water feature (raster or vector, to be determined) <br />? <br />water district and division boundary (vector) <br />? <br />county boundary (vector) <br />? <br />reservoir and dam location (icon) <br />? <br />diversion structure location (icon) <br />? <br />4 <br />A275 05.10.94 1.05-16 Malers <br />