[Radiance-general] gensky

[Jia Hu]

Hi, I forgot to use sudo command. it is a permission error. It is installed
now by using: sudo ./makeall install. In the end, the Gnome terminal
indicates there are some errors. But it seems that it is running without
problems.

Thank you.

On Sat, Mar 27, 2010 at 12:23 PM, Rob Guglielmetti <rpg at rumblestrip.org>wrote:

>  Could you be more specific on the error you're getting? Sounds like it's
> probably a permissions error, but I'm not sure. Are you running the makeall
> script as root (using the sudo command)?
>
>
>  On Mar 26, 2010, at 3:22 PM, Jia Hu wrote:
>
>  Hi Rob:
>
> You are right.The lastest version notes it includes the Gendaylit
> finally. I can not install Radiance through Makeall because there is an
> error indicating that some directory can not be copied (because of existing
> file). I followed the instruction at
> http://www.radiance-online.org/pipermail/radiance-general/2007-August/004398.html
> to install new Radiance version download from
> http://radsite.lbl.gov/radiance/framed.html. Is that right?
>
> Thanks,
>
> Jia
>
> On Fri, Mar 26, 2010 at 1:05 AM, Rob Guglielmetti <rpg at rumblestrip.org>wrote:
>
>>  Hi Jia,
>>
>> gendaylit was only included in the source distribution for the last couple
>> months (maybe even less than that, the days are blurring together lately).
>> Not sure what you mean by "it" was developed in 1994. Are you using
>> pre-compiled binaries, or some kind of rpm distribution? If so, I doubt you
>> have gendaylit installed, as this was included in the Radiance source
>> distribution only recently. Gendaylit has been around a while, but prior to
>> the new Radiance release, you had to go get it and compile it yourself. If
>> you are compiling from source, then you could grab the latest official
>> release (announced very recently) and compile, and you'd have it.
>>
>> At any rate, it's worth seeking it out one way or another because you can
>> use it for precisely what you're talking about.
>>
>> - Rob
>>
>>  On Mar 25, 2010, at 10:56 PM, Jia Hu wrote:
>>
>>  Hi Rob:
>>
>> I saw it was developed in 1994 from manual page. My version should contain
>> that. Thanks,
>>
>> Jia
>>
>> On Fri, Mar 26, 2010 at 12:46 AM, Rob Guglielmetti <rpg at rumblestrip.org>wrote:
>>
>>> Hi Jia,
>>>
>>> On Mar 25, 2010, at 7:20 PM, Jia Hu wrote:
>>> > I have some questions relating to gensky command.
>>> >
>>> > (1) The book of "Rendering with radiance" says luminous efficacy is set
>>> to 179 for all CIE sky models. Is that true for current version?
>>>
>>> The 179 lm/watt is the standard luminous efficacy conversion for
>>> Radiance, and yes it's still the same for the current version.
>>>
>>> > (2) If I know Solar direct radiation and diffuse radiation, I hope to
>>> use Perez's (source: Modeling daylight availability and irradiance
>>> components from direct and global irradiance, 1990 solar energy) models
>>> (that is, interpolate two CIE sky model according to radiation), is that
>>> possible to generate a new sky luminance distribution model by interpolation
>>> of two standard CIE model in Radiance in order to calculate the interior
>>> illuminance more accurately?
>>>
>>> If you know direct and diffuse radiation, you can use gendaylit (recently
>>> added to the default Radiance distro) to generate a Perez sky model
>>> directly. Check the manpage for gendaylit. I have been using it lately for
>>> some studies based on TMY weather file info and it works well!
>>>
>>> - Rob
>>> _______________________________________________
>>> Radiance-general mailing list
>>> Radiance-general at radiance-online.org
>>> http://www.radiance-online.org/mailman/listinfo/radiance-general
>>>
>>
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