[Radiance-general] Generate a Radiance picture using rtrace instead of rpict under Windows

[Greg Ward]

Hi François,

The trouble is that Windows doesn't support command-output-as-parameter, so just run "vwrays -d -vf view1.vf -x 1024 -y 1024" on a separate command, then paste the output onto the rtrace command line.

-Greg

> From: François Cantin <FCantin at coarchitecture.com>
> Date: June 25, 2012 10:23:22 AM PDT
> 
> Hi,
>  
> I’m working through Axel Jacobs' excellent 'rtcontrib' tutorial and I want to generate a Radiance picture using rtrace instead of rpict. For your information, I'm under Windows 7 with the latest Radiance binaries downloaded from the NREL Openstudio website:  http://openstudio.nrel.gov/getting-started-developer/getting-started-radiance
>  
> When I try this:
> vwrays −ff −vf view1.vf −x 1024 −y 1024 | rtrace ‘vwrays −d −vf view1.vf −x 1024 −y 1024‘ −ffc scene.oct > view1.hdr
>  
> I obtain this error message:
> rtrace: fatal - command line error at 'vwrays'
>  
> Then I use double quotes...
> vwrays −ff −vf view1.vf −x 1024 −y 1024 | rtrace "vwrays −d −vf view1.vf −x 1024 −y 1024" −ffc scene.oct > view1.hdr
>  
> ...and I obtain this error message:
> rtrace: fatal - command line error at 'vwrays −d −vf view1.vf −x 1024 −y 1024'
>  
>  
> Any advice on how to solve or work around this problem would be greatly appreciated !
>  
>  
> Thanks in advance,
>  
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