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gsac程序包

GSAC Command Reference Manual                                    CUTERR

SUMMARY:
Rotates a pair of horizontal component traces through an angle

ROTate [to GC] [TO ang]

INPUT:
     TO GC	Rotate to form radial and transverse components 
               Rename KCMPNM to have  the replace the last character
     TO ang    Rotate to form components on motion in the ANG and
               and ANG+90 degrees. Rename the components

DESCRIPTION:
	Two horizontal components are rotated to form two new horizontal
       components. For this to occur the components must have CMPINC=90
       and the CMPAZ different, but not necessarily 90 degrees apart.

	In distinction with SAC, the component names are changed and the
       internal version of the files names are changed. Also if the start
       and end times of rhte two traces are different, only the overlapping
       time window is used.
       Example:
           GSAC> READ STA.N STA.E
	    GSAC> ROT TO GC
           GSAC> W
       will write the files STA.R (with KCMPNM=BHR) and STA.T (with
       KSTNM=BHT) if the original KSTNM values were BHN and BHE, 
       respectively

	Note the O, A and T0 header values are preserved from the first
	waveform read into memory
SAC COMPATIBILITY:
       This automatic renaming of KCMNM and FILE NAME and cutting is
       not in the original SAC
SEE ALSO: