[Radiance-general] Three Phase Method Tutorial - Example 1

[Alireza Hashemloo]

Hi Greg,

Thank you for your response.

I am working on a Windows 7 (64-bit) operating system and I use GitBash
shell for my command line.
Following the description of the two error messages relative to the two
versions of the Three-Phase Method tutorial, I have provided the exact
command line raising the errors
in the Example #1 of both tutorials:

1- Tutorial Document Title: "The Three-Phase Method for Simulating Complex
Fenestration with Radiance"
    Access Link:
http://www.radiance-online.org/learning/tutorials/Tutorial-ThreePhaseMethod.pdf
    Page # 21
    Command:    $ dctimestep images/vmx/window_%03d.hdr
data/singleclear.xml results/south.dmx skies/12_21_15.skv >
images/122115_clear.hdr
    Error: "fatal - unexpected EOF reading results/south.dmx"

2- Tutorial Document Title: "Radiance Three Phase Method Tutorial"
    Access link:
https://www.gitbook.com/book/andymcneil/three-phase-method-tutorial/details
    Page # 21
    Command:  $ vwrays -fa -vf views/back.vf -x 600 -y 600 | rfluxmtx
`vwrays -vf views/back.vf -x 600 -y 600 -d` -n 8 -fac -ab 12 -ad 50000 -lw
2e-5 - objects/window.rad materials/testroom.mat objects/testroom.rad
    Error: "C:\Radiance\bin\rfluxmtx.exe: missing hemisphere sampling type!"

I hope the referenced commands would help to give a better description of
how the errors are raised.
Please let me know if you need any further information.

Thank you,
Alireza

On Mon, Nov 30, 2015 at 9:40 AM, Greg Ward <gregoryjward at gmail.com> wrote:

> Hi Alireza,
>
> There have been a few changes to the programs since this tutorial was
> written.  It would help to know what system you are on (esp. if Windows)
> and the exact commands you used leading up to the error.
>
> Cheers,
> -Greg
>
> *From: *Alireza Hashemloo <alireh at uw.edu>
>
> *Subject: *[Radiance-general] Three Phase Method Tutorial - Example 1
>
> *Date: *November 30, 2015 1:04:14 AM PST
>
>
> Hello,
>
> I have a couple of questions with regards to the three-phase method
> tutorials:
>
> 1- Following the Example 1 in the tutorial document titled as "The
> Three-Phase Method for Simulating Complex Fenestration with Radiance"
> (available at
> http://www.radiance-online.org/learning/tutorials/Tutorial-ThreePhaseMethod.pdf)
> I have encountered the following error message using the dctimestep (page
> 21) to generate a rendering:
>
> "fatal - unexpected EOF reading results/south.dmx"
>
> I have checked the content of the south.dmx file generated in the previous
> steps and it appears that with the exception of the first 9 lines providing
> information such as the Format, Software, Capdate etc, the remaining of the
> lines contain NULL values. This is despite the fact that I have not
> received any error messages following the Example 1 through each step prior
> to this last step where the EOF error is raised.
>
> 2- There is another document titled as "Radiance Three Phase Method
> Tutorial" (also by Andy McNeil) which I could not find on the Radiance
> website but it it published via GitBook at the following link:
>
> https://www.gitbook.com/book/andymcneil/three-phase-method-tutorial/details
>
> Following the Example 1 of this new tutorial document, the 'rcontib' call
> is replaced with 'rfluxmtx' to create the view matrix renderings. I have
> also attempted to pursue this example step by step, however, the call for
> the 'rfluxmtx' for generating view matrix renderings (page 21) raises the
> following error message:
>
> "missing hemisphere sampling type"
>
> I have checked the 'rfluxmtx' document describing the application of a
> "#@rfluxmtx variable=value" form to pass the sampling basis (eg. h=kf for
> full Klems sampling model). However, I could not find the correct syntax to
> add this variable to the rfluxmtx command call in the tutorial (page 21) in
> response to the "missing hemisphere sampling type" error.
>
>
> I would appreciate if you could help me with these two questions.
>
> Thank you,
> Alireza
>
>
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>
>
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