Grasshopper

algorithmic modeling for Rhino

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DIVA for Rhino

DIVA-for-Rhino is a plugin which runs thermal, daylight, solar radiation, and glare simulations. Our goal is to bring validated environmental simulations directly to the conceptual design environments of Rhino and Grasshopper.

Website: http://www.diva4rhino.com
Location: Boston, Minneapolis, New York
Members: 382
Latest Activity: 20 hours ago

Discussion Forum

MATH > Evaluate and expression error

Hi everyone,I am opening the discussion because I didn't find anything online about this error.I must admit i am a newbie and this error might be very simple, nevertheless any help will be much…Continue

Started by Nitë on Thursday.

strange irradiation results. 2 Replies

Hello all,I'm quite new at grasshopper and DIVA.I am trying some irradiation simulations, for my thesis, on a simple geometry and I am getting some really strange results. The north oriented surface…Continue

Started by stergios. Last reply by stergios Mar 31.

Daylight studies for multiple hours at the same run

HiUsing the Latest Diva within the GH environment, I am trying to run a daylight analysis for more than one hour, at the same time. If this would work I could extract the results, order them for the…Continue

Started by Guy Austern Feb 22.

IES Luminaire Simulations on DIVA 6 Replies

Hello,Is it possible to do apply a IES2RAD file to a geometry in DIVA for Grasshopper? I've been following this tutorial …Continue

Tags: radiance, IES2RAD, luminaire, IES

Started by Arthur Mamou-Mani. Last reply by Thomas Lechner Feb 19.

Comment Wall

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Comment by stergios on March 30, 2015 at 4:10am

Hello all,

I'm quite new at grasshopper and DIVA.

I am trying some irradiation simulations for my thesis on a simple geometry and I am getting some really strange results. The north oriented surface of the roof  is getting higher results than the south one (for city at north hemisphere). Can anyone guess the reason, or did anyone face this problem in the past? what do you think I should change?

Attached you may find the .gh file and the climate data file.

Thank you for your time.

house_SN_roof_simpified.gh

Trondheim_NO-hour.epw

Comment by Israa El-Maghraby on March 8, 2015 at 12:41pm

@ Mohamed hegazy, Thanks in a million I will try that now (Y)

Comment by Mohamed hegazy on March 7, 2015 at 3:37pm

@Israa El-Maghraby

Try Flatten the ground before Connecting to shades

Comment by Israa El-Maghraby on March 7, 2015 at 11:48am

Hello every one, I've a little problem concerning Thermal simulation, when I add the surrounding context as a berp beside the facade elements as  a shade it runs the thermal simulation twice, giving me two results of everything. Any clue what might be the problem!!

Comment by Israa El-Maghraby on February 26, 2015 at 5:31am

Hello Jeff Niemasz Awesome Plugin, but I've a little problem that the thermal analysis takes longer time than it should. It always stops at Initializing simulation for about 20 minutes. There's any way to make take less time. the shading element consists of like 12 planar surfaces, so as mush as i guess no modeling problem. Let me add when I only test one planar surface it runs quicker

Thanks in advance

Comment by Panagiotis Samaras on July 7, 2014 at 10:12am

Hi everyone, I was wondering if Shaderade has been incorporated in the latest Diva versions?

I have found a similar question asked on November 2012 without a clear answer. Could you please inform me with anything related to the Shaderade component?

Comment by Jon Sargent on March 17, 2014 at 4:33pm

Adam -- 2.0.0.7 is correct.  I think Jeff got a little ahead of himself.  :)

 

Comment by Adam Castelli on March 17, 2014 at 4:09pm

Hi Jeff. I just reinstalled diva - version 2.1.1.1, but the grasshopper version is still being shown as 2.0.0.7, not 2.0.0.8.  Is 2.0.0.8 included as the DIVA.ForGrasshopper.gha in the C:\DIVA folder? I copied this into my gh components folder, but I'm still seeing 2.0.0.7 as the component version, not sure why..

Comment by Jeff Niemasz on March 10, 2014 at 7:24pm

Hi Adam,

This should have been corrected. If you right click on a component you will see the version- if it is not 2.0.0.8 then you should install the latest version. Let me know if that does not resolve the issue.
Jeff
Comment by Adam Castelli on March 6, 2014 at 9:47am

Thanks Jeff. I would like to use the GenericTranslucentPanel_20 material, but this material is not shown in the gh material component even though it is in the material.rad file and accessible in the rhino diva menu. Not sure why it is that I can't get to it in gh. I see in the material.rad file that "The model requires the following two files have been added to a directory included in your RAYPATH variable (c:\daysim\lib or C:\Radiance\lib): rang.cal & Translucent20.dat" I'm not sure if this could be the problem because I only see "rang" in my Daysim\lib and I don't see "Translucent20" in either folder.. Any thoughts on this? I found that someone else had similar problem not seeing the translucent material in the gh menu.. here.. Not sure if they resolved it..

thanks

Adam

 

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