[Radiance-general] Antimatter

[Jack de Valpine]

Hi Greg,

Your emails are coming through.

A floor does help doesn't it.....

For reference, I am running 3.9

-Jack

Greg Ward wrote:
> Hi Rob,
>
> I'm not able to reproduce this error with the latest version of 
> Radiance.  What version are you running?  Is anyone getting my e-mails?
>
> Jack's example runs fine, and if you add a floor:
>
> void plastic gray
> 0
> 0
> 5 .2 .2 .2 0 0
>
> !genbox gray floor 10 10 .1 | xform -t 0 0 -.1001
>
> ...you get to see the shadows through the windows.  I also tried using 
> "void" instead of "red" as the first antimatter modifier and that 
> works, as does making the wall infinitely thin (single surface), so I 
> think you must be running version 3.8 or your cut-out surfaces are 
> coincident or something...
>
> The thing that doesn't work is using a non-void material as the first 
> antimatter argument to cut a hole in a single-surface wall.
>
> Cheers,
> -Greg
>
>> *From: *"Fitzsimmons, Rob" <rob.fitzsimmons at Fiserv.com 
>> <mailto:rob.fitzsimmons at Fiserv.com>>
>>
>> *Date: *October 30, 2009 10:23:51 AM PDT
>>
>> *
>> *
>>
>> As a test, I did this in sketchup, and got curious results...
>> The light goes through, but only on the edge. All the grey boxes are 
>> antimatter, cutting through the wall.
>>
>> http://rastermon.com/images/antimatter.jpg
>> http://rastermon.com/images/antisketchup.gif
>>
>> my materials:
>> ## material conversion from Sketchup rgb color
>> void plastic sketchup_default_material
>> 0
>> 0
>> 5 0.1400 0.3400 0.3400 0.000 0.000
>>
>> void antimatter cutter
>> 2 void sketchup_default_material
>> 0
>> 0
>>
>>
>> Rob Fitz
>>
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-- 
# Jack de Valpine
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#
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# http://www.visarc.com
#
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