Synopsis
		sfreplace < loga.rsf > log_eo.rsf loc= num=

1D dataset padding

Built for time-depth relationship manipulation. LSIM scan/pick is smooth intoducing non-real updates at top of pick.

Parameters
		int loc= Location of value used to replace   int num= Number of values to replace at beginning of dataset

Used In
		TCCS          welllogs/logs