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| Once a tree has been created and all of the necessary data entered, a TR20 input file can be generated by selecting the '''Save TR20 File''' command the ''TR20'' menu. When writing the file, the proper order for computing, adding, and routing hydrographs is automatically determined. TR20 can be run without any further editing of the input file generated by WMS. Because WMS does not allow input for all TR20 options, it may be necessary to modify the file somewhat before execution. Hydrograph names must be defined in columns 73-80 of all RUNOFF, REACH, DIVERT, ADDHYD, and RESVOR, records and GRAPHICS must be defined in columns 61-68 of the JOB record before output of TR20 can be read back into WMS for display in the ''Hydrograph'' Window.
| | #redirect [[WMS:TR-20#Saving Files]] |
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| Existing files generated outside of WMS can be read it into WMS and a separate topological tree will automatically be generated for the watershed described in the file. Since WMS does not yet support all possible TR20 card types, there may be some incomplete information. However, the basic structure of the watershed will be created and all possible data will be retained. If multiple computations or runs of TR20 are specified in a single file, WMS will prompt you for which one you want to use. With WMS only a single computation sequence may be defined. If additional computations are desired, the parameters can easily be changed within WMS and another run of TR20 made.
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| ==Related Topics==
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| * [[WMS:TR-20|TR20 Overview]]
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| * [[WMS:TR-20 Edit Parameters|Editing TR20 Parameters]]
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| * [[WMS:TR-20 Reading Existing Files|Reading Existing Files]]
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| * [[WMS:TR-20 Run Simulation|Running a TR20 Analysis]]
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| {{WMSMain}}
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