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The TS must be able to be displayed in a linear fashion, and also in a matrix format <br />? <br />commonly used in water resources, where the day is listed vertically, and the month is <br />listed horizontally (the ability to perform summary statistics on the table will be useful for <br />QA/QC and calibration and can be incorporated using existing tools). <br />xmgr <br />The CRDSS may effectively use existing software such as by using a wrapper. RTi has also <br />developed software to plot TS on log and linear scales with intelligent axis scaling (using the GR <br />product described below). The following table summarizes TS plotting software: <br />Item Source Language Description <br />GRRTiCSee description under General Map Display Task Memorandum. <br />xmgrftp.ccalmr.ogi.e C, MotifProgram to display nice X-Y graph s in different formats and also perform some <br />du scientific analysis on data, e.g., integration, curve fitting, sampling, noise analysis . <br />The program has extensive annotation capabilities and has the nice feature that tex t <br />can be rotated in any direction, even on the X Window interface. Output can be <br />generated in PostScript and is "what-you-se-is-what-you-get" WYSIWYG. Data fo r <br />the program can be in different formats. In order to have annotation and legend <br />appear automatically for a given set of data, the data must be encapsulated using a <br />syntax developed for xmgr. Both RTi and CSU have pre-processed files using the <br />syntax. <br />Wingz INFORMIXmacro This is a spreadsheet program that provides graphing capabilities. The use of this <br />program may not be easily integrated into large applications without extensive macro <br />programming (the Gunnison model took this approach and there are difficulties). It is <br />not clear whether the State plans on making this product available to everyone tha t <br />would use CRDSS. <br />xbaeBellcoreC, MotifThis is a public domain library of matrix widgets written by Bellcore, and essentially <br />consists of a spreadsheet-like widget that can have any number of rows or columns . <br />All cells are treated as character strings; consequently, some processing is necessary to <br />adjust numerical cell contents if they are modified. <br />S-PlusStatSciC, Motif S-Plus is two main products. The first is a stand-alone command-line interpreter tha t <br />Stand-None creates plots based on the user's typed commands. Plots appear in a separate X <br />Window. The second product is a library of S-Plus routines that can interface with C <br />code. This product is not available for SGIs. An additional S-Plus product uses <br />ARC/INFO to display graphics. <br />3.0 CONCLUSIONS AND RECOMMENDATIONS <br />An effort has been made to gather public domain software and determine whether such software can <br />be compiled on the SGI hardware. S-Plus has also been evaluated, but it is not fully supported on the <br />xmgr <br />SGI and could not be called from a C program. Both CSU and R Ti are familiar with and feel <br />comfortable using that tool for general TS plotting (and other graphing tasks). However, because of <br />xmgr <br />the wide range of features available from , this tool may be "overkill" when only a simple plot <br />GR <br />is needed for an application. Consequently, tools like are being considered in this case. <br />Wingz <br />The use of an open-ended spreadsheet program like is being considered where an analysis <br />Wingz <br />may not have a clear-cut method. For example, data could be read into and analyzed in <br />different ways until a trend or correlation is evident. However use of such a tool in very specific <br />Wingz <br />situations may require users to have too much knowledge of spreadsheets and . Additionally, <br />3 <br />A275 05.10.94 1.05-18 Malers <br />