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Proposal for an extension for the timeoptions of Utilities

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Old   March 14, 2008, 10:37
Default Hi! One problem I encounter
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Bernhard Gschaider
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Hi!

One problem I encounter frequently is that the options -time/-latestTime only let me specify either all or one time-step. This is sometimes quite inconvenient (for instance a reconstructPar of a case of which one half has already been reconstructed only gives me the possibility to reconstruct the first half of the timesteps anew or reconstruct one time-step at a time; for utilities like sample that remove old data when being called this is also quite annoying if you want to sample only two time-steps out of 100)

I thought it would be nice to have an option -times that gives the possibility to specifie multiple times:
-times 100,101.5,105
or specify a range
-times 100_110
or an open range
-times 100_
or only ever 2 seconds
-times 100_2_110
or only every 5th time-step in the range
-times 100:5:110
or a combination
-times 0,50,100_

What do you think?

Actually I did an example implementation. It's a bit clumsy because I tried not to modify the application-sources and did not want to modify kernel-classes, but it works alright and as far as I can tell it does not break compatibility with the old options. I'll append it as a patch.

timesOption.patch
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Old   March 14, 2008, 10:59
Default Yes I totally agree and a more
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Yes I totally agree and a more general time and time-range selection scheme has already been implemented which will be in included in the next release.

Henry
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Old   August 20, 2008, 09:23
Default Excuse me for being a bit slow
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Bernhard Gschaider
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Excuse me for being a bit slow-witted. That would be what the point "Extended time command line options." in the 1.5 Release-Notes is referring to, wouldn't it? My problem is, that I can't see how to select such a thing with the stock utilities (reconstructPar/checkMesh), I didn't find any reference in the documentation and in the source ($FOAM_SRC/OpenFOAM/include/addTime*.H etc would be the place to look at, wouldn't it?).

Did I miss something or is it possible that that feature got stuck in git somewhere and simply isn't in the release?

Bernhard
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Old   August 21, 2008, 12:09
Default Hi Bernhard, I'm not at my
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Mark Olesen
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Hi Bernhard,

I'm not at my desk at the moment, but take a look at the timeSelector class (I think), it is used in some of the utils like Mach etc.
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Old   August 25, 2008, 16:28
Default Hi Mark! Thanks. Didn't see
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Bernhard Gschaider
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Hi Mark!

Thanks. Didn't see that.

As a repentance I wrote this little page on the Wiki for all those who don't want to look it up in the source:
http://openfoamwiki.net/index.php/Ti...ection_Options

Bernhard
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Old   August 26, 2008, 19:13
Default Thanks for those tips Bernhard
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Srinath Madhavan (a.k.a pUl|)
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Thanks for those tips Bernhard :-)
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