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<br />OU il50 <br /> <br />As a result of the nature of the monthly-planning problem, a multitude of possible combi- <br />nations of model parameters/reservoir/time-series exists. The "power" or frequent user of <br />the interface require flexible and complete access to these possible combinations. <br />Conversely, these same users foresaw a need to have quick access to graphs of common <br />parameter/reservoir/time-series combinations. Also, there was a desire to provide support <br />for users with a range of experience in using the 24MSM. This allows novice users to, in a <br />sense, make use of the expert's knowledge of the physical system by using pre-defined <br />files that were created for such a purpose. To meet these demands, script files were built <br />into the interface, to save the user's definition of the graph(s) contents. These files can also <br />be pre-fabricated by the power user to provide a form of expertise that a casual user could <br />use, by choosing from a list of previously defined script file. <br /> <br />This first implementation plan resulted in four modules. Please refer to the Functionality <br />Diagram for a visual depiction of the modular functionality. <br /> <br />5.2 FILE module <br /> <br />The FILE control module provides file management functionality. This includes access to <br />existing files by listing these existing files and prompting the user to SELECT a file from <br />the list. Also, changes can be saved to existing files subsequent to editing, with an intenne- <br />diate prompt of the user for confirmation in overwriting the existing file, or saved to <br />entirely new files. Files can also be deleted by choosing from the existing file listing, <br />brought up by selecting DELETE from the presented menu. Additionally, file names were <br />standardized to provide consistency in accessing files. Thus, file names are produced by <br />concatenating the month and year together (e.g. JAN90, SEP91, etc.). Finally, an auto- <br />matic UPDATE function which would "roll" a given file forward one month was deemed <br />necessary, but was not implemented due to lack of resources. <br /> <br />5.3 TEXT module <br /> <br />The TEXT DISPLAY module provides display of the model data files in a text format, <br />thus duplicating the "old" method's output. Additional functionality provides editing of <br />the parameters that serve as input to the model. This can be accomplished by using either a <br />"slider" -- a graphical sliding button that is dragged by the mouse to change the value -- or <br />by simply typing in the value via the keyboard. From this module, the user can also obtain <br />hard copy outputs of the input, output, and the other data files. When printing out the text <br />for the output file, the user can either choose to print the entire file (as previously was <br />available), or the user can print a selected page of the output, for example Lake Havasu <br />Water Page. <br /> <br />During the design of the interface, there was an attempt to reduce the possible number of <br />model parameters that could be accessed through the interface to the essential and most <br />. frequently used ones. The result of this culling process is a list of the eight frequently used <br />parameters. <br /> <br />24 Month Sludy Projoct Documentation Volume I <br /> <br />618191 <br /> <br />7 <br />