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<br />OiJiJiJo' <br /> <br />~FU.. Edh ~""., Whatlr. Map ~.lette- <br /> <br /> <br /><'>----'-. <br />.~ <br />.------ ' <br />..~~...~ <br />..\..-, ~'" <br />.... ~\'\.. <br />..... ........ " .or <br />"..~~ . ~...... <br />-y- ~~.--. "",-~~~,,-.....,.tt <br />____....... ,t.. .~ ~ <br />,./ -... ~. , <br />~- --; t <br />~~- ;, <br />~ - <br />, <br />~..;, <br />.J"-' I' <br />J' _____~--:-r"" \ <br />~ I. <br />,.~~--!' i <br /> <br />"( ~~ ") n \ <br />~ "\./ ,/ (j <br />.-<::-,. '! ' <br />~--..,./ <br /> <br />;:r - LEGEND ~ <br /> <br />,..................... <br /> <br />Figure I. SPWR~tS graphical interface. <br /> <br />'\.av.._ <br /> <br />ct&;el <br /> <br />.~".- 1841" <br /> <br />. .......c......... <br /> <br />.....,.,.'"l!.po,..u <br /> <br />South Plane Decision Support. 6 <br /> <br />Although this kind of interface demands <br />the least in terms of system hardware. it <br />generally offers the least in terms of <br />"user friendliness." <br /> <br />A forms based interface leads the user <br />through a series of "fill-in-the-blanks" <br />screens. and helps to structure the use of <br />a DSS. An interactive graphics interface <br />offers a \Vindows-type Hpoinl.and-dick" <br />environment and requires the most in <br />terms of hardware. The CROSS is being <br />developed with both fonns-based and <br />interactive graphics interfaces. Users <br />with low-end platfonns will be able to <br />access the system through the fonns- <br />based menus: platfonns that suppon <br />high-end graphics may use either. <br /> <br />Like CRDSS. SPWR.\1S uses both graphical and fonns-based interfaces. Infonnatlon about a <br />panicular point of interest (di\'ersion structure. inflow point. etc.) can be accessed by "pointing and <br />clicking" at the appropriate spot on the plan view. Figure I shows this interface with the Balzac <br />streamflow gage being selected (arrow). The view may be zoomed in or out. and various levels of <br />de13.il may be chosen. The user may <br /> <br />also bypass the graphical environment 10 <br />utilize the (onns-based interface. <br /> <br />SPWR~IS graphical output offers <br />hydrographs of the river at any structure; <br />multiple hydrographs may be ploned at <br />the same lime. Figure 1 shows a <br />hydro graph at the Balzac gage. selected <br />in Figure I abo\'e. During their first <br />season wilh the new system. the <br />Division I Engineer's office was able to <br />utilize these displays to recognize <br />relationships that had previously gone <br />undetected. <br /> <br />n.........~""-f'- <br /> <br />;;-... <br /> <br />noviy $b:-crr'low <br /> <br />..... <br /> <br />-~ <br /> <br />- JJ <br />- <br /> I <br />'" <br /> . . , , , . . , . j , <br /> , , . . , , , , . . . <br /> , , , . , , , , . , , <br /> , , " , , <br /> , , <br /> <br /> <br /> <br />Figure 1. SPWR..\tS hydrograph. Balzac gage. <br /> <br />~. ....-.... ._~__S-I <br /> <br />().l/11195 <br />