[Radiance-general] Variable height shading systems simulation

Humberto Antunes hs.antunes at campus.fct.unl.pt
Mon Mar 28 19:23:32 PDT 2016


Thank you very much guys,

Your solution solved the problem Andy.

Best Regards
Humberto A.

2016-03-29 2:59 GMT+01:00 Andy McNeil <mcneil.andrew at gmail.com>:

> OOPS!  Omit the -c in the beginning of the first rmtxop commands! My bad.
>
> On Mon, Mar 28, 2016 at 6:49 PM, Andy McNeil <mcneil.andrew at gmail.com>
> wrote:
>
>> Hi Humberto,
>> There's an easier way to do this now. No need to use rlam anymore.
>>
>> First create your partial illuminance files:
>> rmtxop -c upper.vmx window.xml upper.dmx sky.smx | rmtxop -c 47.4 119.9
>> 11.6 > upper_illum.mtx
>> rmtxop -c lower.vmx window.xml lower.dmx sky.smx | rmtxop -c 47.4 119.9
>> 11.6 > lower_illum.mtx
>>
>> Then add them together:
>> rmtxop upper_illum.mtx + lower_illum.mtx > total_illum.mtx
>>
>>
>>
>> On Mon, Mar 28, 2016 at 6:22 PM, Humberto Antunes <
>> hs.antunes at campus.fct.unl.pt> wrote:
>>
>>> Hi guys
>>>
>>> I'm trying to do a all year simulation with a roller shade only covering
>>> half my window.
>>>
>>> I've been trying to do it in an identical way as in Andy's example two
>>> of the three fase method, i divided my window in two different polygons,
>>> one for the shaded part and one for the unshaded part, created a view
>>> matrix and daylight matrix for both parts of the window, and now i'm trying
>>> to use the "rlam" command to put it all together in a single illuminance
>>> file. The problem is the file that is coming out of "rlam" doesn't look
>>> good, it has to much rows, and when i try to run "rmtxop" to convert RGB
>>> values to illuminance values i get the fallowing error:
>>>
>>> rmtxop: operation failed on 'results/illuminance_RGB/closed_50.dat'
>>>
>>> Any hint on how to solve this, or a more efective way to do it?
>>>
>>> Best regards
>>> Humberto A.
>>>
>>>
>>>
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>>> Radiance-general at radiance-online.org
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>>>
>>>
>>
>
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