[Radiance-general] Calculate DGI with Radiance through Ecotect

[Maria Mandalaki]

Thanks to all,
I will try this as well!

MM

On Tue, Nov 13, 2012 at 10:04 PM, Andrew McNeil <amcneil at lbl.gov> wrote:

> One other comment -
> If you doing this in DOS on windows then you probably need to use double
> quotes in the rcalc command like this:
>  ... | rcalc -f ulim.cal -e "$1=ulim($2/PI)"
>
>
> On Mon, Nov 12, 2012 at 11:58 PM, Maria Mandalaki <mamand at gmail.com>wrote:
>
>> I hope this is the correct list for users of Radiance through Ecotect.
>>
>> I am trying to calculate DGI for a specific camera view - position.
>> I calculate the luminance using Radiance through Ecotect. Then the
>> generated pic file I copy it in the command prompt starting file. There I
>> copy the following command that is the ulim
>> that is: fl2cd(v)=3.426*v;cd2fl(v)=0.292*v;ulim(La)=fl2cd(10^(5.731+(log10(cd2fl(La))+5)*(0.3376+(log10(cd2fl(La))+5)*0.0189)-6));
>>
>> Then I Type the following in the command prompt for my file that is
>> called (ex2)
>>
>> findglare -p ex2_c1.pic -t 100000|glarendx -h -t vert_ill|rcalc -f ulim.cal -e '$1=ulim($2/PI)'
>>
>>
>>
>> Then I get the following message:
>>
>>
>> findglare: picture read error
>> '$1=ulim($2/PI)'
>> ^ illegal variable name
>>
>> Do you have any idea why this is happening?
>>
>>
>>
>> Thank you in advance
>>
>> MAria
>>
>>
>>
>>
>>
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>>
>
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