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# --- introduction ---
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The program reads trajectory files in ASCII format. It consists of get_diff.py & makeFile.sh.
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# --- execute program ---
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Command: ./get_diff -v [p] [-o mean] <TrajectoryFile>
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expressions in brackets are options.
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get_diff.py calls the bash script makeFile.sh. This step is nessecary to produce a output file in "LAGRANTO-format". The output file is <TrajectoryFile>_<[-v] and contains one additional column delta_<-v>.
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Please make sure that the variable $LAGRANTO is set! This variable should point to the installation directory of LAGRANTO.
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# --- Goal ---
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The goal of the program is to trace the difference between a time interval of a chosen meteorological field. Please notice that the output file becomes shorter by one time step. One option can be used:
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-o mean: Interpolate linear between every time step.
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default: Take field of the time step closer to the starting point.
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