[Radiance-general] Create Octree File from SU2RAD

[Thomas Bleicher]

Ross

For a beginner it's usually easier to use the rad command with the *.rif
file to get scenes rendered.

$ rad test.rif


That will start rendering all scenes and create the images - in your case
only one.

However, looking at the *.rif file I see that there is a warning at the end:

## total number of objects too large


Unfortunately I don't remember why I put this message there. There may be a
built-in limit for oconv or another process in Radiance. What happens if
you combine all the output files to a single file with the xform command?

xform test.rad > test_combined.rad


If this works you can run oconv with the test_combined.rad file:

oconv test_combined.rad > test.oct



BTW: Is there a specific reason to have so many materials in your scene?
Most of your scene files contain only a few polygons. You can also try to
export the scene by group or by layer in su2rad. That (probably) reduces
the file count and can solve your problem.

Regards,
Thomas





On Tue, Jun 17, 2014 at 2:44 AM, Thompson, Ross <rt at cbgc.com> wrote:

>  Hi,
>
>
>
> I am now looking to use radiance after learning daysim. I have
> successfully completed the tutorial and am now looking to produce renders
> from scenes set up in SketchUp.
>
> Here is a link to the SketchUp output file:
>
> https://www.dropbox.com/sh/uyokuvxiu9s1ifb/AAB5TXbez6p8-FAgl3EeR4f2a
>
>
>
> My approach is to apply the OCONV function to the ‘test.rad’ file.
>
> However unlike in the tutorial, materials and geometry are housed in
> separate directories.
>
>  And I get the following errors:
>
> oconv test.rad > test.oct
>
> xform: cannot find file "objects/Material133.rad"
>
> oconv: warning - (!xform objects/Material133.rad): empty file
>
>
>
>  I don’t quite understand why the file can’t be found.
>
> Am I using the correct approach?
>
> Thanks in advance for your help.
>
>
>
> Ross
>
>
>
>
>
>
>
>
>
>
>
>
>
> Ross Thompson
>
> Senior Sustainability & Energy Engineer
>
> T: 01865 864500
>
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