Program sfshot2cmp | Convert shots to CMPs for regular 2-D geometry. 
[SYNOPSIS]
sfshot2cmp < in.rsf > out.rsf mask=msk.rsf positive=y half=y
[COMMENTS]

The axes in the input are {time,offset,shot}
The axes in the output are {time,offset,midpoint}

[PARAMETERS]
bool    | half | =y |  [y/n] | 	if y, the second axis is half-offset instead of full offset
string  | mask | = |   | 	auxiliary output file name
bool    | positive | =y |  [y/n] | 	initial offset orientation 
[DIRECTORY]
system/seismic
