[Radiance-general] sudo recontrib

urtza.uriarte at upc.edu urtza.uriarte at upc.edu
Mon Mar 21 05:38:37 PDT 2016


  Dear Humberto,

Yes, I am trying without "-n 8760" option, as follow:

dctimestep photocells.vmx Film3M_145x1297_9142012_t.xml southest.dmx
Barcelona.smx 
fatal - unexpected EOF reading Barcelona.smx

I do not know. Thank you,
Urtza.

Humberto Antunes <hs.antunes at campus.fct.unl.pt> escribió:

> Hi Urtza,       
>    Are you running dctimestep with the "-n" option? If yes try to run it
> without it. use:
>     
>    dctimestep view.mtx daylight.mtx transmision.xml sky.mtx
>     
>    For me this solved the problem, no need for the "-n 8760" option.
>     
>    Hope it helps.
>     
>    Best regards
>    Humberto A.
>
>
>    2016-03-21 11:16 GMT+00:00 <urtza.uriarte at upc.edu>:
>
>> _Dear Andy and Greg,
>>
>> (I am trying to follow Humberto's issue, as well)
>> I have added to View Matrix sensor points number (I notice that in
>> Daylight Matrix I have not had NROWS data and I have added NROWS=145).
>> To sum up I have; Sky Matrix, 2306x8760; Daylight Matrix, 145x2306; and
>> View Matrix, 552x145. I launched dctimestep and it scripts the same
>> error (fatal - unexpected EOF reading Barcelona.smx).
>>
>> In case, I review the Sky Matrix with "wc" and I get almost the number
>> that Greg suggested:
>>
>> wc Barcelona.smx
>>
>> 20202874  60601692 213155298 Barcelona.smx
>>
>> I do not know what is the problem with Sky Matrix (although it seems a
>> little estrange 2306x8760 data are in rows).
>> Thank you in advance,
>> Urtza.
>>
>> "Gregory J. Ward" <gregoryjward at gmail.com> escribió:_
>>
>>> _Following this up on the general mailing list..._
>>>          _ _
>>>          _The problem was the one Andy pointed out earlier, where the
>>> newer version of dctimestep doesn't want the "-n" option when the sky
>>> matrix has a header._
>>>          _ _
>>>          _Regarding the new question (appearing below), using rmtxop
>>> in this way is indeed the simplest means to convert RGB irradiance to
>>> illuminance in lux._
>>>          _ _
>>>          _Cheers,_
>>>          _-Greg_
>>>
>>>
>>>> _FROM: Humberto Antunes <hs.antunes at campus.fct.unl.pt>_
>>>>            _SUBJECT: Re: dctimesteps_
>>>>            _DATE: March 20, 2016 6:04:36 PM PDT_
>>>>            _ _
>>>
>>>> _I tried to run the command like that and it worked just fine, i got
>>>> the same results as you did. _                       _ _
>>>>             _I was running the dctimestep command with the -n 8760
>>>> option, but this is not needed because the sky matrix already
>>>> contains that info in the header, running it like you solved the
>>>> issue._
>>>>             _ _
>>>>             _Now there is just one thing remaining, to convert the
>>>> RGB values from illum.dat file to illuminance values can i use the
>>>> command below or is there a better way?_
>>>>             _ _
>>>>             _rmtxop -c 47.435 119.93 11.635 results/illum.dat>
>>>> results/illum_final.dat_
>>>>             _ _
>>>>             _Note:_
>>>>             _179*0.265=47.436_
>>>>             _179*0.670=119.93_
>>>>             _179*0.065=11.635_
>>>>             _ _
>>>>             _Best regards_
>>>>             _Humberto A._
>>>>
>>>>
>>>>             _2016-03-21 0:01 GMT+00:00 Gregory J.
>>>> Ward <gregoryjward at gmail.com>:_
>>>>
>>>>> _Thanks, Humberto.  I ran the following command:_
>>>>>                _ _
>>>>>                _dctimestep photocells.vmx singleclear.xml south.dmx
>>>>> lisboa.smx > illum.dat_
>>>>>                _ _
>>>>>                _without complaint.  I am attaching the result._
>>>>>                _ _
>>>>>                _Are you sure you have a recent installation of
>>>>> dctimestep?  What do you see when you run dctimestep with no
>>>>> arguments?  You should get:_
>>>>>                _ _
>>>>>                                _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]_
>>>>>
>>>>>                _ _
>>>>>                _Cheers,_
>>>>>                _-Greg_
>>>>>                _ _
>>>>>                _ _
>>>
>>>> _FROM: Greg Ward <gward at lmi.net>_
>>>>
>>>>           _SUBJECT: Re: [Radiance-general] sudo recontrib_
>>>>
>>>>           _DATE: March 20, 2016 2:47:23 PM PDT_
>>>>
>>>>           _ _
>>>
>>>> _Hi Humberto,_
>>>>           _ _
>>>>           _Actually, your header and ASCII data look OK.  Although
>>>> some tools would put all the columns together in one humungous line
>>>> with 8760x3, white space has no meaning here and gendaymtx output has
>>>> a newline for each column entry with an extra empty line between
>>>> rows._
>>>>           _ _
>>>>           _If you run the "wc" command on your file,  you should get
>>>> something like:_
>>>>           _ _
>>>>           _20202873  60601692  xxxxxxxxxxx  lisboa.smx_
>>>>           _ _
>>>>           _I don't know what xxxxxxx will be, but some large number
>>>> corresponding to the number of bytes in your file.  The first two
>>>> values may not be exactly this, but should be reasonably close. 
>>>> Otherwise, your file really is missing some data at the end._
>>>>           _ _
>>>>           _If your numbers agree roughly with the above, please send
>>>> me a gzip'ped copies of your lisboa.wea and the output (*.smx) file
>>>> in a private e-mail and I will see if I can figure out what is going
>>>> on._
>>>>           _ _
>>>>           _Cheers,_
>>>>           _-Greg_
>>>>
>>>>> _FROM: Humberto Antunes <hs.antunes at campus.fct.unl.pt>_
>>>>>
>>>>>            _SUBJECT: Re: [Radiance-general] sudo recontrib_
>>>>>
>>>>>            _DATE: March 20, 2016 2:30:23 PM PDT_
>>>>>
>>>>>            _ _
>>>>
>>>>> _Hi Urtza and Andy, _                       _ _
>>>>>             _I am having the same issue as you do Urtza, I have
>>>>> already checked the headers of my view matrix, daylight matrix and
>>>>> sky matrix, and that doesn't seem to be the problem, my view matrix
>>>>> is a 6X145, the daylight matrix a 145X2306, and finally, the sky
>>>>> matrix is a 2306X8760, and this info is on the headers of each._
>>>>>             _ _
>>>>>             _I think the problem is in the sky matrix file itself,
>>>>> it's not being properly written._
>>>>>             _ _
>>>>>             _Mine looks like this:_
>>>>>                          _#?RADIANCE_
>>>>>              _gendaymtx -m 4 weather/lisboa.wea_
>>>>>              _LATLONG= 38.73000000 -9.15000000_
>>>>>              _NROWS=2306_
>>>>>              _NCOLS=8760_
>>>>>              _NCOMP=3_
>>>>>              _FORMAT=ascii_
>>>>>              _ _
>>>>>              _0 0 0_
>>>>>              _0 0 0_
>>>>>              _0 0 0_
>>>>>              _0 0 0_
>>>>>              _0 0 0_
>>>>>              _0 0 0_
>>>>>              _0 0 0_
>>>>>              _0.477 0.477 0.477_
>>>>>              _1.85 1.85 1.85_
>>>>>              _4.85 4.85 4.85_
>>>>>              _11.6 11.6 11.6_
>>>>>              _10.5 10.5 10.5_
>>>>>
>>>>>             _..._
>>>>>             _ _
>>>>>             _ _
>>>>>             _So it doesn't have the number of columns it should, i
>>>>> think that each row has the RGB value for one patch of one time step
>>>>> and it should have the RGB values for all time steps of one patch,
>>>>> is that it?_
>>>>>             _ _
>>>>>             _Best regards_
>>>>>             _Humberto A._
>>
>>
>>  
>>
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>>  
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