[Radiance-general] rcontrib: fatal - duplicate modifer 'M-nor'

[Greg Ward]

Hi Reinier,

Are you being sure to group your same-material surfaces together when passing them to rfluxmtx?  The program isn't smart enough to group them for you, and I suppose this requirement needs to be mentioned explicitly in the man page.  That was an oversight on my part...

If your receiver surfaces are already grouped by modifier and you are getting this error, send me your files off-list and I will see if I can figure out what's going on.

Cheers,
-Greg

> From: Reinier Zeldenrust <reinier.zeldenrust at atelierten.com>
> Subject: [Radiance-general] rcontrib: fatal - duplicate modifer 'M-nor'
> Date: March 12, 2015 1:38:37 PM EDT
> 
> Hi all,
>  
> I’m running a three phase method analysis and am running into some funny behaviour. I generated windows using Honeybee msh2rad, converting a Rhino mesh to a radiance geometry file via TurtlePyMesh & obj2rad.
>  
> When I generate my view matrix, it works fine for some windows, but not for others – and there’s no clear difference in geometry between those that work and those that don’t work. My command is:
>                 Rfluxmtx –ab 4 –ad 5000 –y 81 < ChEast.pts – windows_pts/window_04.rad material.rad ChEast.rad > viewpts_04.mtx
>  
> And the error I get is:
> rcontrib: fatal - duplicate modifer 'M-nor'
>  
> My daylight and sky matrices work for fine for all of the windows, so I don’t know what it is. Any idea what can cause this kind of behaviour? Does rfluxmtx need perfectly flat / regularly shaped objects?
>  
> Thanks,
> Reinier
>  
> Here is an excerpt of my window_04.rad file:
> #@rfluxmtx h=kf u=Z
> void glow windowglow
> 0
> 0
> 4 1 1 1 0
> # c:\radiance\bin\obj2rad C:\ladybug\genBSDFtest\window_03\MSH2RADFiles\window_03.obj
> # OBJ file written by TurtlePyMesh
>  
> windowglow texfunc M-nor
> 4 dx dy dz tmesh.cal
> 0
> 10           2
>     0.00014694    -0.00056977    -0.39197137
>    -0.00262064     0.00269441    -1.04630966
>     0.00007866     0.00016957    -0.86569177
>  
> M-nor polygon object_1.1
> 0
> 0
> 9
>           -245.804            137.307            31.8827
>           -229.021            137.314            22.0454
>           -252.533            117.213            36.8545
> [ it continues with more windowglow texfunc M-nor  & M-nor polygon object_x.x lines]
>  
>  
> Reinier Zeldenrust
> Environmental Designer
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