[Radiance-general] evalglare question

[Michael Martinez]

Ah! I was using an older version from last April (1.04). 

After updating to the most recent (1.11), everything is working fine. 

Thanks Jan,
Mike




On Jun 5, 2013, at 11:22 AM, Jan Wienold wrote:

> Hi Mike,
> 
> this looks strange - indeed! The first glare source has an error in the x-y location (nan). There was on older version of evalglare (1.00-1.02), which had some problems when one pixel of a glare source was located directly at the border. but this is fixed for the current version. 
> What version of evalglare (type evalglare -v) are you using and what fish-eye type is used for the image? 
> Can you send me such an hdr (not to the group, directly to my email adress jan.wienold at ise.fraunhofer.de).
> 
> Jan
> 
>  
> On 06/05/2013 07:46 PM, Michael Martinez wrote:
>> Hi folks, 
>> 
>> I'm using evalglare on  a 180 degree fisheye image generated by Radiance. It seems that the program is identifying a glare source of unknown location and luminance in the image, and as a result gives no value for DGP or the other glare metrics. Here's the output when using -d:
>> 
>> ==> evalglare -d mp_fisheye_1.hdr
>> 6 No pixels x-pos y-pos L_s Omega_s Posindx L_b L_t E_vert Edir Max_Lum Sigma
>> 1 3378.000000 nan nan nan 0.0565686647 3.650290 81.290386 142.498566 411.559494 156.178211 13576.651367 0.000000
>> 2 41.000000 282.848000 461.584364 792.347179 0.0001826569 1.514374 81.290386 142.498566 411.559494 156.178211 13576.651367 26.551441
>> 3 756.000000 785.566923 445.729879 1706.862762 0.0037485450 1.917159 81.290386 142.498566 411.559494 156.178211 13576.651367 26.216382
>> 4 7053.000000 794.845728 175.816438 4597.421071 0.0605018867 10.395303 81.290386 142.498566 411.559494 156.178211 13576.651367 27.460687
>> 5 207.000000 948.473820 430.830399 1306.167715 0.0019912890 4.900577 81.290386 142.498566 411.559494 156.178211 13576.651367 35.542775
>> 6 4.000000 997.324765 463.899953 1454.510332 0.0003043142 10.077693 81.290386 142.498566 411.559494 156.178211 13576.651367 61.214157
>> dgp,av_lum,E_v,lum_backg,E_v_dir,dgi,ugr,vcp,cgi,lum_sources,omega_sources,Lveil: nan 142.498571 411.559494 81.290386 156.178211 nan nan nan nan nan 0.123297 nan  
>> 
>> Any ideas for a workaround? 
>> 
>> Many thanks in advance,
>> Mike Martinez
>> 
>> 
>> 
>> 
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> 
> 
> -- 
> Dr.-Ing. Jan Wienold
> Head of Team Passive Systems and Daylighting
> Fraunhofer-Institut für Solare Energiesysteme
> Thermal Systems and Buildings
> Heidenhofstr. 2, 79110 Freiburg, Germany
> Phone: +49(0)761 4588 5133 Fax:+49(0)761 4588 9133
> jan.wienold at ise.fraunhofer.de
> http://www.ise.fraunhofer.de
> 
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