[Radiance-general] problem generation dmx matrix

[Giuseppe De Michele]

Greg,

the dmx works well now (I have tried only the increasing of rays number for
now), so thanks again.

Cheers,
Giuseppe.


2014-07-15 18:59 GMT+02:00 Greg Ward <gregoryjward at gmail.com>:

> Hi Giuseppe,
>
> Thanks for sending your input files.  There's nothing you are really doing
> wrong, but you've run up against a limitation in genklemsamp to find
> surfaces that are widely separated.  Your windows are nice and
> close-together, so they don't pose a problem, but your doors are small
> relative to the space between them, such that the sampling process, which
> is based on the bounding cube, cannot locate them even with 1000 initial
> samples (your -c setting).  The solution is to either run genklemsamp on
> each door individually, or to increase the sampling rate to -c 10000, which
> works in your case.
>
> Best,
> -Greg
>
> *From: *Giuseppe De Michele <giudm.87 at gmail.com>
>
> *Subject: *[Radiance-general] problem generation dmx matrix
>
> *Date: *July 13, 2014 4:39:02 AM PDT
>
>
>  Dear expert,
>
> A brief introduction to the project:
> I'm appling 3 phase method on a facede that is composed of a big cfs on
> the bottom of which there are several openings (glass doorway) that are the
> access to the internal area.
>
> Therefore, I have decided to separet the facede in two groups (CFS &
> GLASS_DOOR) since the BSDFs are different (I hope that it is the right way
> to proceed).
>
> But when I have generated the dmx matrix for both groups of windows, that
> have the same orientation (-vd -0.98 -0.17 0), a warning message have
> appeared only for the GLASS_DOOR group:
> *view direction does not correspond to any surfaces.*
>
>
> Controls:
> 1. checked geometry with objline and rvu (for the glow material) and all
> seems work well.
> 2. checked oconv  that contain material, scene without the window ,
> skywhtie.
> 3.  checked the command for the glass_door (that is the same of the
> functioning one save for the geometry):
>  genklemsamp -c 1000 - vd 0.98 -0.17 0 materials.rad glass_door.rad |
> rcontrib -n 4 -c 1000 -e MF:1 -f reinhart.cal -b rbin - bn Nrbins -m
> sky_glow - faf temp/model_dmx.oct > data/glass_door.dmx
>
> I don't know where find the solution of the the problem.  Any advice?
>
> Thanks in advance,
> Giuseppe
>
>
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>


-- 
*Giuseppe De Michele*
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