[Radiance-general] RAYPATH problems

[Shakespeare, Robert A.]

I recently did an NREL install. Just had a look and picture.cal.. plink.cal… the woodxxx.cal are not included in the library… at least I cannot find them.

Rob

From: Thomas Bleicher <tbleicher at gmail.com>
Reply-To: Radiance discussion <radiance-general at radiance-online.org>
Date: Tuesday, May 16, 2017 at 1:35 PM
To: Radiance discussion <radiance-general at radiance-online.org>
Subject: Re: [Radiance-general] RAYPATH problems

David

Check that picture.cal is indeed used as "picture.cal" and not as "./picture.cal". The leading "./" will only search in the current scene directory and ignore the RAYPATH settings.

You can also type

    source ./bashrc

in the terminal to reread the configuration and apply any changes you made to the current bash session.



On Tue, May 16, 2017 at 11:37 AM, David Gissen <dgissen at cca.edu<mailto:dgissen at cca.edu>> wrote:
Hello Everyone: I learned a little unix to be able to work with Radiance (for some upcoming projects that require me to reconstruct very specific lighting conditions), but I am running into some problems:

I followed the instructions for installing Radiance on Mac OSx (10.11.6)

created a file ~/.bashrc with the following arguments:
export PATH=/usr/local/radiance/bin:$PATH
export RAYPATH=.:/usr/local/radiance/lib

I followed Greg W's Radiance Ch. 1 tutorial and successfully modeled a sphere on a pedestal and in a room (exciting).

However, when I tried to do more sophisticated work (the Image Mapping tutorials by Axel Jacobs in the Radiance Cookbook), I received an error that "picture.cal" does not exist.

I ran "ls -la /usr/local/radiance/lib" and noticed that picture.cal was missing. After poking around, I discovered another path to /radiance/lib and then ran "ls -la /opt/rad4/radiance-5.0.a.12-Darwin/usr/local/radiance/lib" and found picture.cal as well as many other files not in the original directory path above. I copied picture.cal into the directory for the RAYPATH, but still received the error.

Anyway, I tried re-setting RAYPATH to "/opt/rad4/radiance-5.0.a.12-Darwin/usr/local/radiance/lib" (as well as =.:/opt/rad4/radiance-5.0.a.12-Darwin/usr/local/radiance/lib) but I still received an error that picture.cal was missing. I finally figured out a very kludgy way to get the missing files in radiance/lib to work (by copying them into the current working directory), but I want to get the RAYPATH working properly.

Does anyone have advice/help?

Thank you very much, David



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