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Last modified
11/23/2009 10:51:19 AM
Creation date
10/4/2006 9:31:35 PM
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Floodplain Documents
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Title
Hydraulics Graphics Package - Preliminary
Date
8/1/1980
Prepared For
US
Prepared By
US Army Corps of Engineers
Floodplain - Doc Type
Educational/Technical/Reference Information
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<br />right bank stations, minimum cross-section elevations, channel slopes, channel <br /> <br />and overbank velocities, flow depths and widths, calculated water surfaces, <br /> <br />critical ~ter surfaces, and energy grade l1nGS. A third u.:;di.il" "f ti,c: pac;',,!:!!: <br /> <br />. <br /> <br />will display both geometric cross-section data as well as computational results. ; <br />1n three dimensions. This module is in the developmental stage and is~ot presently <br />operable. <br /> <br />The package 1s designed to display data and results applicable to any hydraulics <br />calculation utilizing any hydraulics computer model. Currently, fortran subroutines <br />exist to process specifically HEC-2 formatted input/output. The cross-section <br />display relies upon subroutine GEOMRD to process a standard HEC-2 input deck <br />and restructure the data 1n memory for .plotting purposes. The profile display <br />relies upon subroutine PROREA to read fortran scratcb disk "95" which contains <br />all the output from HEC-2 in binary fOnD, and stores user requested information <br />in memory. To become compatible with other programs, additional subroutines <br />must be written to confonD to their respective input/output formats. <br /> <br />Fortran calls to Graphic Software Packages create plots on different devices <br />in different modes. <br /> <br />Presently, the Hydraulics Graphics Package utilizes the USMA Graphics <br />Compatibility System (GCS) and the California Computer Products, Inc., CAlCOMP <br />software. Using GCS allows the user to obtain graphs on either a Tektronix CRT <br />or on a CalComp pen plotter. GCS linked with Tektronix routines allow the user <br />to look at the graphs interactively whereas CalComp requires a "batch" mode <br />execution of the program. The package consists of several subsets within the <br />cross-section and profile plotting modules. A very brief main program calls <br />subroutine "GENElN", which sets variables to default values and then calls <br />subroutine "INPSPC", which allows the user to change the default values. At this <br /> <br />j <br />, <br /> <br />I <br />, I <br /> <br />I <br />. I <br />; <br /> <br />2 <br />
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