[Radiance-general] dctimestep_Annual results with a sky matrix

[Giuseppe De Michele]

Dear Urtza,

If you are working with one of the last Radiance release, you can try the
new command *rmtxop*

*dctimestep.......  | rmtxop -fa -c 47.4 119.9 11.6 > illum.dat *

that allows to convert from irradiance to illuminance values, in a matrix
of size #sensors x 8760.

Take a look at the following presentation  for more details:
http://www.radiance-online.org/community/workshops/2014-london/presentations/day1/McNeil_BSDFsandPhases.pdf



Best,
Giuseppe

2015-07-13 12:32 GMT+02:00 <urtza.uriarte at upc.edu>:

>  Dear experts,
>
> I would like to calculate a Daylight Autonomy by annual data of
> Three-Phase Method.
>
> Following the tutorial of McNeil for annual results of illuminance by
> *dctimestep* command, RGB conversion is not used. I suppose that it is
> because it takes a lot of time. If I use RGB conversion as follow:
>
> dctimestep results/photocellsSouthWest.vmx
> data/JK_ClearGlass_T70_emis2_0.077_VBlinds.xml results/southwest.dmx
> skies/Geneva.smx | rcalc -e "$1=179*($1*0.265+$2*0.670+$3*0.065)" >
> results/illum_vb20-smxklemsSW.dat
>
> will I have problems? I would like to manage with sensorpoints x 8760 file.
>
> Thank you in advance.
> Kind regards,
> Urtza.
>
>
>
>
>
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>


-- 
*Giuseppe De Michele*
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