[Radiance-general] How to visualize a sky vector?

[Guglielmetti, Robert]

Yeah, that would be sweet. One reason we don't offer images from the
daylight coefficients in OpenStudio is because of this disk space
concern...

On 12/4/15, 9:51 AM, "Greg Ward" <gregoryjward at gmail.com> wrote:

>Yeah, and I think you can automate the conversion by outputting to a
>command from rcontrib:
>
>	rcontrib -ffc -o '!ra_rgbe -r > rle_bin%04d.hdr' ...
>
>This should also work for rfluxmtx on the command-line, but I just
>checked my code and the parameter parser doesn't accept quoted strings
>the way it should for specifying the output as part of a receiver file
>comment.  I should look into fixing this!
>
>-Greg
>
>> From: "Guglielmetti, Robert" <Robert.Guglielmetti at nrel.gov>
>> Subject: Re: [Radiance-general] How to visualize a sky vector?
>> Date: December 4, 2015 5:14:45 PM GMT+01:00
>> 
>> Mind blown. Totally didn't realize (but should have) that rfluxmtx
>>image output is not yet RLE. Mind blown! BOOM! Thanks for this gem,
>>Greg!!
>> 
>> - Rob
>> 
>> On 12/4/15, 8:33 AM, "Greg Ward"
>><gregoryjward at gmail.com<mailto:gregoryjward at gmail.com>> wrote:
>> 
>> You can ... reduce the file i/o by converting the uncompressed Radiance
>>images produced by rfluxmtx into compressed ones that take much less
>>space.  You just need to run "ra_rgbe -r orig_image.hdr
>>smaller_image.hdr" on each image in your dcx/ directory.
>> 
>> -Greg
>
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