Difference between revisions of "Geopsy: Time Limits"

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= Additional options =
 
= Additional options =
[[Image:FKFromDropList.png|100px|thumb||''From'' drop list with time picks]][[Image:FKToDropList.png|100px|thumb||''To'' drop list with time picks]]
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== Time Picks in the drop lists ==
 
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When [[Geopsy: Graphic#Time Picking|Time Picks]] have been defined, they also appear as possible time limits in the '''From''' and '''To''' drop lists.[[Image:FKFromDropList.png|150px|''From'' drop list with time picks]][[Image:FKToDropList.png|150px|''To'' drop list with time picks]]
*When [[Geopsy: Graphic#Time Picking|Time Picks]] have been defined, they also appear as possible time limits in the '''From''' and '''To''' drop lists.
 
  
 
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''TimePick[n]'' (only if Time Picks exist), selects the <math>n^{th}</math> time pick defined by the user.
 
 
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*When the checkbox '''Use only the properties of the first signal''' is checked, the '''T0''', '''End''' and '''TimePick[n]''' of the first signal are used to define the time limits. This option is available in some toolboxes.
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== Use only the properties of the first signal ==
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When the checkbox '''Use only the properties of the first signal''' is checked, the '''T0''', '''End''' and '''TimePick[n]''' of the first signal are used to define the time limits. This option is not available in all toolboxes.
  
  
*The common use of Time Picks to define time limits is the picking of the first signal with two different picks (see [[Geopsy: Graphic#Time Picking|Time Picking]]), select these two Time Picks in the time limits and check '''Use only the properties of the first signal'''.
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The most usual way to '''Use only the properties of the first signal''' is to apply two [[Geopsy: Graphic#Time Picking|time picks]] defined on the first signal to the all the signals of the active signal window, so as to delimit a common time base for processing all signals.

Revision as of 13:42, 28 February 2013

Time limits layout group

In Geopsy, several tools can be applied on time limits, i.e. on a given time range (also called Global Time Range in Geopsy).


Two drop boxes are available:

  • From: to indicate at which time the processing starts
  • To: to indicate at which time the processing ends


From

From drop list
  • this time: starting time provided by the user (entries in format xx h xx m xx.xxx s)
  • T0: selects the earliest common start time of all active signals
  • during: time duration before the end of the signal, specified either by End or this time in the To list (described below).


To

To drop list
  • this time: ending time provided by the user (entries in form xx h xx m xx.xxx s)
  • End: selects the latest common ending time of all active signals
  • during: time duration from the starting time given in the From list, specified either by this time or T0.


Additional options

Time Picks in the drop lists

When Time Picks have been defined, they also appear as possible time limits in the From and To drop lists.From drop list with time picksTo drop list with time picks



Use only the properties of the first signal

When the checkbox Use only the properties of the first signal is checked, the T0, End and TimePick[n] of the first signal are used to define the time limits. This option is not available in all toolboxes.


The most usual way to Use only the properties of the first signal is to apply two time picks defined on the first signal to the all the signals of the active signal window, so as to delimit a common time base for processing all signals.