Set to a Constant
Parameters:
dic Dictionary of NMRPipe parameters.
data array of spectral data.
r Constant to set real data to. “a” sets to 0 unless c is defined.
i Constant to set imag data to. “a” sets to 0 unless c is defined.
r or i is defined.
x1 First point of region to set to constant.
end of the vector.