[Radiance-general] genBSDF: Errors encountered

[Greg Ward]

Hi Alireza,

This is an error we hadn't noticed in the genBSDF script that shows up on Windows because it doesn't use single-quoted strings.  I have just checked in a fix, which I can send you separately if you don't want to wait for the installer to be updated.

Thanks for informing us!

Best,
-Greg

> From: Alireza Hashemloo <alireh at uw.edu>
> Subject: [Radiance-general] genBSDF: Errors encountered
> Date: February 7, 2016 3:45:18 PM PST
> 
> Hello,
> 
> I have two questions about two errors I have encountered using genBSDF on Windows:
> 
> Following the Example-1 in the genBSDF Tutorial (http://www.radiance-online.org/learning/tutorials/Tutorial-genBSDF_v1.0.1.pdf), I have encountered the following error messages:
> 
> Windows 7 (64-bit)
> Radiance 5
> 
> Command: "genBSDF +f +b -c 500 -geom inch -dim 199 201 1.5 2.5 -0.939693 0 D:/tutorialBSDF/blinds.rad > D:/tutorialBSDF/blinds.xml"
> 
> Error: "wrapBSDF: only one XML input allowed
>           Usage: wrapBSDF [-W][-c][-a {kf|kh|kq|t3|t4}][-u unit][-g geom][-f 'x=string;y=string'] [-s spectr][-tb inp][-tf inp][-rb inp][-rf inp][-C comm] [input.xml]
>           Could not wrap BSDF data"
> 
> 
> Content of the blinds.rad file passed to genBSDF:
> 
> ### blinds.rad
> void plastic white
> 0
> 0
> 5 0.7 0.7 0.7 0 0
> !genblinds white blinds 1 400 4 4 20 | xform -rz -90 -rx -90 -t 0 0 -0.939693
> 
> 
> 2- as shown in the command  in questions 1, I have to provide the absolute path of the .rad file that is passed to genBSDF as well as the absolute path of the .xml file where the consequent BSDF data should be saved as. Otherwise, if I provide the relative path based on my current working directory (passing the relative path as "blinds.rad" and "blinds.xml"), I encounter a  "Segmentation fault". This is despite the fact that my working directory is already set to the directory where the blinds.rad file is saved in and the blinds.xml file should be saved to.
> 
> Command: "genBSDF +f +b -c 500 -geom inch -dim 199 201 1.5 2.5 -0.939693 0 blinds.rad > blinds.xml"
> 
> Error: "Segmentation fault"
> 
> 
> In addition, I was wondering if there are any solutions to visualize a Tensor-tree BSDF data file produced by genBSDF on Windows?
> 
> 
> Thank you in advance for your assistance.
> Regards,
> 
> Alireza
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