[Radiance-general]Genklemsamp

[Andy McNeil]

Hi Chris,
You need to add -m 2 to your genskyvec command.  The -m argument in genskyvec should agree with -e MF:  setting in the rtcontrib command that creates the daylight matrix.
Andy


On Apr 22, 2010, at 10:49 AM, Chris Humann wrote:

> I've been tinkering with Genklemsamp to generate a daylight matrix file of a window for input into Dctimestep.  I'm using a simple 15' x15' x 10' room with a single, south facing window and run Genklemsamp as follows:
> $ genklemsamp -vd 0 -1 0 -vu 0 0 1 -c 20000 material.rad window.rad | rtcontrib -c 20000 -e MF:2 -faf -f reinhart.cal -b rbin -bn Nrbins -m sky_glow @render.opt  isotropic_sky.oct > window.dmx
> 
> The above seems to go through it's paces without a hitch and generates the expected 'window.dmx'  file.
> 
> However, when I run dctimestep using the above 'window.dmx file, a venetian_blind.xml file from Optics, and sky patch coefficient images generated with  vwrays and rtcontrib as follows:
> $ gensky 9 21 12:00 -a 37.71 -o 122.21 -m 120 | genskyvec | dctimestep image/glass_d_c4%03d.hdr venetian_blind.xml window.dmx >  test_9-21_1200.hdr
> I get the following error:
> fatal - unexpected EOF reading Window.dmx
> 
> Has anyone else run into this?
> 
> Thanks.
> 
> Chris
> 
> Christian Humann ~ Associate
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