Problem with Radiation Analysis

As of a few hours ago, I can no longer conduct radiation analyses through Ladybug. The problem seems similar to the previous post by GB, except I have not received an error message. Instead, everything looks normal except that no matter how I change the parameters or flip the surfaces, every surface is registering as 0 kWh/m2 (as seen below). I've tried multiple files (including files that worked fine yesterday) but I always get the same result.

I've attached all my files below. Any help would be greatly appreciated!

Attachments:

Mass.3dm, 216 KB
Mass.gh, 31 KB
USA_OH_Cincinnati.Muni.AP-Lunken.Field.724297_TMY3.epw, 1.6 MB

Replies are closed for this discussion.

Replies to This Discussion

Permalink Reply by Abraham Yezioro on February 23, 2017 at 11:05am

It works for me as it is.

-A.

Permalink Reply by Zephyr Anthony on February 23, 2017 at 11:34am

I figured out that there was a problem with my EPW file. Thanks for your help.

Permalink Reply by Ryan on June 27, 2017 at 2:33pm

I have the same issue as perscribed above (producing script, downloading EPW file, toggling useoldres." But the results are the same.

My intentions for the analysis is to find the hot and cool spots on the groundp lanes for pedestrians so I can design a shading system (later). In a sense the grond is the geometry and the buildings are the context.

Any help on troubleshooting this would be appreciated!

Attachments:

DTLA_Master_MV_ladybug_edit_03.3dm, 3.9 MB
radition_analysis_01.gh, 1.8 MB
USA_CA_Los.Angeles.Downtown.722874_CTZ2010.epw, 1.5 MB

Permalink Reply by Abraham Yezioro on June 27, 2017 at 9:36pm

Check you normal directions. They should point outwards (dir command in rhino).

-A.

Permalink Reply by Ryan on June 28, 2017 at 11:22am

Hi Abraham,

Thanks for your input! Changing both the mentioned items have provided me the same results...

Any other tips I should be looking at?

Thanks

Permalink Reply by Abraham Yezioro on June 28, 2017 at 11:25am

I believe i answered to this in another discussion ... did you posted this twice?

It has to be with thenegative distFromSurface you provided. Give a positive value, like 0.1.

-A.

Permalink Reply by Farzane Oghazian on August 1, 2017 at 10:24am

Hi Abraham,

Are you sure this is not a problem with Ladybug?

I just did download the Radiation analysis file from hydrashare.github and set both boolean toggles to true and I get the same results as other users mentioned above.

I did write definition from the scratch and still get the same result.

Attachments:

ladybug- radiation.JPG, 47 KB

Permalink Reply by Abraham Yezioro on August 1, 2017 at 10:46am

Farzane,

In life there is only one sure thing ... :-)

Though, from your picture, i'm pretty sure there is a normal direction issue. Upload your file (with geometry internalised) or check yourself with the dir command (if rhino model) or show the normals with native GH components.

-A.

Permalink Reply by Farzane Oghazian on August 1, 2017 at 9:09pm

here is my file, I will appreciate if you check it and help me through this issue.

thanks,

Attachments: