[Radiance-general] Radiance Matrix-Based Methods

[Ali Fatoorechi]

Just another question regarding oconv program

I realised that changing date/time in "gensky 5 9 10:59GMT +s -a 51.15 -o
0.18" command doesn't require recreating
the oct file as long as the sky type is not changed. Is this correct? Is it
possible to change the sky type(gensky -ang 45 0 -c) without recreating
octree?

Regards,

Ali Fatoorechi
MBS Survey Software Ltd

*62 High Street*


*SteyningWest SussexBN44 3RD*

*T +44 (0)1903 879323M +44(0)7830751409*
ali at surveymbs.com
www.surveymbs.com

On Mon, May 14, 2018 at 4:54 PM, Greg Ward <gregoryjward at gmail.com> wrote:

> Yes, you need version 5.1 or later.  In fact, Sarith discovered this issue
> when he created his tutorial, so we can thank him for that as well!
>
> Cheers,
> -Greg
>
> *From: *Sarith Subramaniam <sarith at sarith.in>
>
> *Date: *May 14, 2018 8:02:22 AM PDT
>
>
> Hi Ali,
>
> Are you running a version of Radiance that is more than a year old? You
> can check your version by doing a "rcontrib -version" (without quotes) on
> command prompt. The issue with the missing images was fixed by Greg more
> than a year ago.
>
> I just tried the commands on the latest version
> <https://github.com/NREL/Radiance/releases/tag/5.2.0> and can confirm
> that they are working as intended. I haven't tried the perl-based commands
> for falsecolor and genskyvec and am not sure if those will work as well.
>
> Regards,
>
> Sarith
>
>
> On 5/14/2018 4:15 PM, Ali Fatoorechi wrote:
>
> Hi Guys,
>
> I am following Sarith Subramaniam tutorials to produce images using the
> two phase method( 2PM_DayCoeff script)
>
> The script(coming with the tutorial) works on ubuntu but am struggling to
> get it work on Windows.
>
> I have changed it accordingly as suggested for Windows:
>
> vwrays -vf views/south.vf -x 400 -y 400 -pj 0.7 -c 9 -ff > south.rays
>
> vwrays -vf views/south.vf -x 400 -y 400 -d > dimentions.txt
>
> rfluxmtx -ffc -v -n 8 -x 400 -y 222 -ld- -c 9  -ab 4 -ad 10000 -lw 0.0001
> -o matrices/dc/hdr/south%03d.hdr - skyDomes/skyglow.rad -i
> octrees/roomDC.oct < south.rays
>
> dctimestep -o results/dc/hdr/south%04d.hdr matrices/dc/hdr/south%03d.hdr
> skyVectors/NYC.smx
>
> The above scripts ran on ubuntu creates a range of matrices south-000 to
> south-145 whereas in Windows south-145 is missing.
> Also the size of south-000.hdr is twice as the other files in Windows. attached
> is the south-000.hdr file
> (due to size limit only the header plus portion of the file is attached).
>
> dctimestep results on: "fatal - file 'matrices/dc/hdr/south000.hdr' not a
> picture"
>
>
> Regards,
>
> Ali Fatoorechi
> MBS Survey Software Ltd
>
> *62 High Street*
>
>
> *Steyning West Sussex BN44 3RD*
>
> *T +44 (0)1903 879323 M +44(0)7830751409*
> ali at surveymbs.com
> www.surveymbs.com
>
>
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