SUMMARY

Determines the measurement time window for use in subsequent measurement commands.

SYNTAX

MTW {ON|OFF|pdw}

INPUT

{ON}: Turn measurement time window option on but don't change window values.

OFF: Turn measurement time window off. Measurements are done on the entire file.

pdw: Turn measurement time window on and set window values to a new "partial data window." A pdw consists of a starting and a stopping value of the independent variable, usually time, which defines the desired window of data that you wish to make measurements on. See the CUT command for a complete explanation of how to define and use a pdw. Some examples are given below.

{ON}:	Turn measurement time window option on but don't change window values.
OFF:	Turn measurement time window off. Measurements are done on the entire file.
pdw:	Turn measurement time window on and set window values to a new "partial data window." A pdw consists of a starting and a stopping value of the independent variable, usually time, which defines the desired window of data that you wish to make measurements on. See the CUT command for a complete explanation of how to define and use a pdw. Some examples are given below.

DEFAULT VALUES

MTW OFF

DESCRIPTION

When this option is on, measurements are made on the data within the window only. When this option is off, measurements are made on the entire file. This option currently applies to the MARKPTP and MARKVALUE commands only. Others measurement commands will be added as needed.

EXAMPLES

Some examples of pdw are given below:

B 0 30:    First 30 secs of the file.
A -10 30:  From 10 secs before to 30 secs after first arrival.
T3 -1 T7:  From 1 sec before T3 time pick to T7 time pick.
B N 2048:  First 2048 points of file.
30.2 48:   30.2 to 48 secs relative to file zero.

SEE COMMANDS

CUT, MARKPTP, MARKVALUE

LATEST REVISION

May 15, 1987 (Version 10.2)