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variables in the Point_condition_string, than all points of the selected powerfunctions are selected points (default). The condition may be defined by Boolean combinations (!, ||, &&) of relational expressions build with ==, !=, , =, e.g.:’ID 200.0’ Example output of describe_pow gaug_curves.pow: ‘mix_pow’ usage: mix_pow [-comment] [-discard | -merge] [-o ‘operation_string’] pow_file1 pow_file2 mix_pow looks for each powerfunction in pow_file1 if there is a corresponding powerfunction with identical ID in pow_file2. For these common powerfunctions all data points from pow_file1 and pow_file2 will be merged and written out sorted by time. On the time levels and function values operations can be defined in the operation_string that will be performed before sorting. In the operation_string the user can access the time level values as variables named T1 and T2. Function values can be accessed by variables F1 and F2. Examples: ‘T2 = T2 + 12000.00’ : Time shift of powerfunction from pow_file2. ‘F1 = log (F1); F2 = log (F2)’ : Write logarithmized values. Operations can use functions (e.g.: atan2, cos, exp, int, log, rand, sin, sqrt, ...see manual pages for ‘nawk’). If no operation_string is defined no operation will be done. If the -comment option is used, for every mixed powerfunction a second comment line will be inserted. If the -discard option is used, only the powerfunctions common in pow_file1 and pow_file2 will be written to standard output. Otherwise also powerfunctions from pow_file1 without a corresponding powerfunction in pow_file2 will be written to standard output without any changes. The-merge option writes all powerfunctions from pow_file1 AND pow_file2. Only for corresponding powerfunctions operation_string will be applied.
‘mix_pow_id’ usage: mix_pow_id pow_file id_file mix_pow_id is a usefull tool to derive powerfunctions with different offsets from one given powerfunction. For example you have the time-dependency of a floodwave as input powerfunction and you wish to create powerfunctions of this floodwave adapted to different positions of a river with different medium elevations (offsets): Then you put the elevations into the id_file and the powerfunction into the pow_file - and as a result you get the shifted powerfunctions for your different offset values. mix_pow_id generates for each entry in id_file an power function with the ID from the id_file, with time values from the pow_file and function values computed as the sum of the value in the id_file and the values in the pow_file. The pow_file must contain only 1 powerfunction. Comment lines at the header of the pow_file can begin with ‘!’ or ‘#’. In the id_file all lines with two entries will be used as a data line. Comment lines, empty lines or the END-line are allowed if they have less or more than 2 entries. Example:
Page 1 and 2: FEFLOW Data Tools - Tools to conver
Page 3 and 4: Further development of the FEFLOW d
Page 5 and 6: trp2pnt [-f factor] trp_file trp2gr
Page 7 and 8: ‘mix_trp’ usage: mix_trp [-disc
Page 9 and 10: ‘mix_pnt+trp’ usage: mix_pnt+tr
Page 11 and 12: ‘trp2grid’ usage: trp2grid [-mi
Page 13: ‘debug_pow’ usage: debug_pow [-
Page 17 and 18: This program produces powerfunction
Page 19 and 20: ‘grid2trp’ usage: grid2trp grid

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