This array is read one model layer at a time, starting with layer 1. The user can choose from three input forms for each layer.
• Form 1: CONSTANT ICONST
The word “CONSTANT” is a keyword that signifies that the entire layer should have the same value, which is specified in the ICONST field.
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• Form 2: EXTERNAL FMTIN IPRN
The keyword “EXTERNAL” indicates that the zone values for the layer are read from a separate file whose name is specified on the following line. The values are read one row at a time, starting with row 1, using the Fortran format specified in field FMTIN. FMTIN must begin with “(“ and end with “)” as required by Fortran. If the value in parentheses is blank, free format is used. IPRN specifies whether or not the zone values read are printed in the output file. If IPRN is greater than or equal to 0, the zone values will be printed. If IPRN is less than 0, zone values will not be printed.
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• Form 3: INTERNAL FMTIN IPRN
•“INTERNAL” indicates that the zone values for the layer are read from the Zone file immediately following Item 2. The values are read one row at a time, starting with row 1, using the Fortran format specified in field FMTIN. FMTIN must begin with “(“ and end with “)” as required by Fortran. If the value in parentheses is blank, free format is used. IPRN specifies whether or not the zone values read are printed in the output file. If IPRN is greater than or equal to 0, the zone values will be printed. If IPRN is less than 0, zone values will not be printed. |
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