[Radiance-general] Question about dctimestep

Fri Oct 14 14:52:36 PDT 2016

Hello Sarith:
Thank you for your reply. Yes, you are right. It's the '|' missing rather
than dctimestep version. Thank you for leading me to the right path.

Zhe

On Fri, Oct 14, 2016 at 2:00 PM, <
radiance-general-request at radiance-online.org> wrote:

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> Today's Topics:
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>    1. Question about dctimestep (Zhe Kong)
>    2. Re: Question about dctimestep (Sarith Subramaniam)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Thu, 13 Oct 2016 16:43:10 -0500
> From: Zhe Kong <kongzhewode at gmail.com>
> To: radiance-general at radiance-online.org
> Subject: [Radiance-general] Question about dctimestep
> Message-ID:
>         <CAEV5Nyc8MvSCu7tMRdAr-13F2ijrMCbijbxZT42LqN7_VEnm9w@
> mail.gmail.com>
> Content-Type: text/plain; charset="utf-8"
>
> Dear Radiance Users:
> I am struggling with 3-phase method and run into an issue about dctimestep.
> At the last step of the tutorial (
> https://andymcneil.gitbooks.io/three-phase-method-
> tutorial/content/35_matrix_multiplication.html)
> to use dctimestep to calculate illuminance for three shading systems:
>
> $dctimestep results/photocells.vmx data/Clear.xml results/south.dmx
> skies/12_21_15.skv rcalc -e '$1=179*($1*0.265+$2*0.670+$3*0.065)' >
> results/illum_122115_clear.dat
>
> At first I received the feedback below:
>
> Usage: dctimestep [-n nsteps][-o ospec][-i{f|d|h}][-o{f|d}] DCspec [skyf]
>
> or: dctimestep [-n nsteps][-o ospec][-i{f|d|h}][-o{f|d}] Vspec Tbsdf
> Dmat.dat [skyf]
>
> >From this post:
> http://radiance-online.org/pipermail/radiance-general/
> 2013-October/009833.html
>  I think my dctimestep is not the newest one, so I download it from
> http://www.radiance-online.org/cgi-bin/viewcvs.cgi/ray/
> src/util/dctimestep.c?annotate=2.37
>
> My question is how to install it appropriate. I saved the file as
> dctimestep and use $chmod a=r+w+x dctimestep, I got the errors as below:
>
> /Users/zhekong/Radiance/usr/local/radiance/bin/dctimestep: line 2: static:
> command not found
>
> /Users/zhekong/Radiance/usr/local/radiance/bin/dctimestep: line 4:
> /Applications: is a directory
>
> /Users/zhekong/Radiance/usr/local/radiance/bin/dctimestep: line 5:
> apply_overcast.bash: command not found
>
> /Users/zhekong/Radiance/usr/local/radiance/bin/dctimestep: line 6:
> apply_overcast.bash: command not found
>
> /Users/zhekong/Radiance/usr/local/radiance/bin/dctimestep: line 7:
> apply_overcast.bash: command not found
>
> /Users/zhekong/Radiance/usr/local/radiance/bin/dctimestep: line 8: data/:
> is a directory
>
> and so on. The list is a bit long to include all. I don't think I install
> it right. Could someone let me know how to replace dctimestep correctly, if
> this is the problem, or what is the solution to make this step work?
>
> Thank you very much in advance.
>
>
> Zhe Kong
>
>
>
>
>
>
>
>
>
> Zhe Kong
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> ------------------------------
>
> Message: 2
> Date: Thu, 13 Oct 2016 17:48:56 -0400
> From: "Sarith Subramaniam" <sarith at psu.edu>
> To: "'Radiance general discussion'"
>         <radiance-general at radiance-online.org>
> Subject: Re: [Radiance-general] Question about dctimestep
> Message-ID: <[email protected]>
> Content-Type: text/plain; charset="utf-8"
>
> Hi Zhe,
>
>
>
> If the command that you wrote in your email is the exact one that you
> used, then you should correct it by putting a | before rcalc as the output
> from dctimestep is being piped to rcalc through standard input.
>
>
>
> This?..
>
> $dctimestep results/photocells.vmx data/Clear.xml results/south.dmx
> skies/12_21_15.skv rcalc -e '$1=179*($1*0.265+$2*0.670+$3*0.065)' >
> results/illum_122115_clear.dat
>
> should be ?.
>
> $dctimestep results/photocells.vmx data/Clear.xml results/south.dmx
> skies/12_21_15.skv | rcalc -e '$1=179*($1*0.265+$2*0.670+$3*0.065)' >
> results/illum_122115_clear.dat
>
> Regards,
>
> Sarith
>
> From: Zhe Kong [mailto:kongzhewode at gmail.com]
> Sent: Thursday, October 13, 2016 5:43 PM
> To: radiance-general at radiance-online.org
> Subject: [Radiance-general] Question about dctimestep
>
>
>
> Dear Radiance Users:
>
> I am struggling with 3-phase method and run into an issue about dctimestep.
>
> At the last step of the tutorial (https://andymcneil.gitbooks.
> io/three-phase-method-tutorial/content/35_matrix_multiplication.html) to
> use dctimestep to calculate illuminance for three shading systems:
>
> $dctimestep results/photocells.vmx data/Clear.xml results/south.dmx
> skies/12_21_15.skv rcalc -e '$1=179*($1*0.265+$2*0.670+$3*0.065)' >
> results/illum_122115_clear.dat
>
> At first I received the feedback below:
>
> Usage: dctimestep [-n nsteps][-o ospec][-i{f|d|h}][-o{f|d}] DCspec [skyf]
>
> or: dctimestep [-n nsteps][-o ospec][-i{f|d|h}][-o{f|d}] Vspec Tbsdf
> Dmat.dat [skyf]
>
> >From this post: http://radiance-online.org/pipermail/radiance-general/
> 2013-October/009833.html  I think my dctimestep is not the newest one, so
> I download it from http://www.radiance-online.org/cgi-bin/viewcvs.cgi/ray/
> src/util/dctimestep.c?annotate=2.37
>
> My question is how to install it appropriate. I saved the file as
> dctimestep and use $chmod a=r+w+x dctimestep, I got the errors as below:
>
> /Users/zhekong/Radiance/usr/local/radiance/bin/dctimestep: line 2:
> static: command not found
>
> /Users/zhekong/Radiance/usr/local/radiance/bin/dctimestep: line 4:
> /Applications: is a directory
>
> /Users/zhekong/Radiance/usr/local/radiance/bin/dctimestep: line 5:
> apply_overcast.bash: command not found
>
> /Users/zhekong/Radiance/usr/local/radiance/bin/dctimestep: line 6:
> apply_overcast.bash: command not found
>
> /Users/zhekong/Radiance/usr/local/radiance/bin/dctimestep: line 7:
> apply_overcast.bash: command not found
>
> /Users/zhekong/Radiance/usr/local/radiance/bin/dctimestep: line 8: data/:
> is a directory
>
> and so on. The list is a bit long to include all. I don't think I install
> it right. Could someone let me know how to replace dctimestep correctly, if
> this is the problem, or what is the solution to make this step work?
>
> Thank you very much in advance.
>
>
>
> Zhe Kong
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
> Zhe Kong
>
>
>
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> End of Radiance-general Digest, Vol 152, Issue 9
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-- 
*Zhe Kong*
*PhD Student*
*University of Wisconsin - Milwaukee *
*School of Architecture and Urban Planning *
*2131 E. Hartford Ave, Milwaukee, WI 53211 *
*Office 327*
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