[Radiance-general] x11meta issue

[Rob Guglielmetti]

Thanks Greg,

This vchars.mta file, is this a Radiance thing, or a system thing? The only references I see to this filename in all the Radiance source are in pexpand.c and expand.c:

https://github.com/NREL/Radiance/search?utf8=%E2%9C%93&q=vchars.mta

I do not see the file itself. I ASSumed this was because my installers weren’t packaging it, but it doesn’t seem to be in the Radiance repo at all, at least not in the mirror. On my entire storage device, I only see this file in a couple of places, and they’re all locations where I had really old archived installations of Radiance (built with your “makeall” script). This makes me think this is a Radiance thing that somehow never got included in the mirror...

-Rob

From: Greg Ward <gregoryjward at gmail.com>
Reply: Radiance general discussion <radiance-general at radiance-online.org>>
Date: October 3, 2015 at 11:05:40 AM
To: Radiance general discussion <radiance-general at radiance-online.org>>
Subject:  Re: [Radiance-general] x11meta issue  

I don't know why xform is complaining, but the problem with x11meta *may* be the MDIR environment variable, which should point to the appropriate library directory on your system.  Mine is set to the location of:

$MDIR=/usr/local/lib/ray/meta/
export MDIR

Note the trailing '/' which is very important.  Generally speaking, this directory sits in a "meta" subdirectory of the main Radiance library.

Hope this helps!
-Greg

From: Rob Guglielmetti <rob.guglielmetti at gmail.com>
Subject: Re: [Radiance-general] x11meta issue
Date: October 3, 2015 8:47:45 AM PDT

Chris’ directory/path advice will fix errors one and three in your output below, but error two is unfortunately a result of the NREL binary packages not working correctly for x11meta. Sorry about that, I haven’t had a chance to sort that one out yet. Used to be, no one ever used x11meta but it appears lots of people are starting to pick up Axel’s tutorial which includes the use of that tool, so I guess I’d better get this sorted!

-Rob

From: Chris Kallie <kallie at umn.edu>
Reply: Radiance general discussion <radiance-general at radiance-online.org>>
Date: October 3, 2015 at 6:37:17 AM
To: Radiance general discussion <radiance-general at radiance-online.org>>
Subject:  Re: [Radiance-general] x11meta issue

Make sure you are in the right directory, or pointing to the right directory. -Chris

On 10/3/15 4:40 AM, Ruggiero Guida wrote:
Hi I am having issues with the x11meta command.
If I run 

objline objects/things.rad | x11meta (from Alex's tutorial),  I keep receiving the error:

xform: cannot find file "things.rad"
fatal - cannot open file "/usr/local/lib/meta/vchars.mta", mode "r"
xform: cannot find file "things.orig"


- I am on Mac OSX Yosemite. 
- Last 5.0 binaries installed in default directory
- PATH, RAYPATH set correctly
- x11 installed from xQuarz.org

I have checked other threads and it seems other people had the same issue, but no solution was provided.

Any suggestion?

Thanks
Ruggiero


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