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shiftf
Shift the axis of a vector/scalar field.

Description
SF = shiftf(F) returns the same vector/scalar field(s) with the axis X 
and Y shifted, so that (X,Y)=(0,0) is in the left corner of the field 
(bottom-left corner when Y is upward, and top-left corner when Y is 
downward). 
 
SF = shiftf(F,'c') does the same, but shifts the (X,Y)=(0,0) in the 
center of the field. 
 
If no output argument, the result is displayed by showvec or showscal. 
 
F. Moisy 
Revision: 1.00,  Date: 2005/10/21. 
 
See Also
truncf, extractf, rotatef, bwfilterf. 

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