# \#ladybug **URL:** https://forum.dynamobim.com/tag/ladybug/7.md [Latest](https://forum.dynamobim.com/latest.md) · [Categories](https://forum.dynamobim.com/categories.md) · [Tags](https://forum.dynamobim.com/tags.md) --- ## [Ladybug help](https://forum.dynamobim.com/t/ladybug-help/98120)
**Author:** [@Anto](https://forum.dynamobim.com/u/Anto)\ **Replies:** 11\ **Last updated:** [February 15, 2024, 9:24pm UTC](https://forum.dynamobim.com/t/ladybug-help/98120 "2024-02-15T21:24:17Z")
Good morning Guys, I’m testing the Ladybug package and running the script there is a “null” answer from the location. I’ve tried also other epw files but it’s always the same. Did any of you encounter the same problem? … --- ## [How can i do a building energy analysis with dynamo?](https://forum.dynamobim.com/t/how-can-i-do-a-building-energy-analysis-with-dynamo/57615)
**Author:** [@juani.aguidel](https://forum.dynamobim.com/u/juani.aguidel)\ **Replies:** 3\ **Last updated:** [April 10, 2022, 5:52am UTC](https://forum.dynamobim.com/t/how-can-i-do-a-building-energy-analysis-with-dynamo/57615 "2022-04-10T05:52:12Z")
I tried to use the packeges Ladybug and Honeybee in the last version of dynamo for revit 2021 but the node (Rooms to HBZones) from Honeybee is not working and i dont know why… I had the same problem with Ladybug but fina… --- ## [SunSettings Altitude Units](https://forum.dynamobim.com/t/sunsettings-altitude-units/70917)
**Author:** [@filip.kabelis](https://forum.dynamobim.com/u/filip.kabelis)\ **Replies:** 2\ **Last updated:** [December 2, 2021, 8:29am UTC](https://forum.dynamobim.com/t/sunsettings-altitude-units/70917 "2021-12-02T08:29:39Z")
Hey! I’ve been trying to create simple line between two points using Sunsettings nodes : Azimuth and Altitude for solar studies. I purposely don’t use Ladybug - I want to make it from scratch and learn something by doing… --- ## [LadyBug EPW import](https://forum.dynamobim.com/t/ladybug-epw-import/63311)
**Author:** [@dobbst01](https://forum.dynamobim.com/u/dobbst01)\ **Replies:** 4\ **Last updated:** [June 23, 2021, 3:32am UTC](https://forum.dynamobim.com/t/ladybug-epw-import/63311 "2021-06-23T03:32:37Z")
Hi People, What happened to the ‘Analysis Period’ input for the new Ladybug updated import epw node inside dynamo? Currently it looks like this: Where in the past it looked like this: --- ## [Cannot "Getting Started with LB and HB" in Dynamo](https://forum.dynamobim.com/t/cannot-getting-started-with-lb-and-hb-in-dynamo/54506)
**Author:** [@Congzheng](https://forum.dynamobim.com/u/Congzheng)\ **Replies:** 3\ **Last updated:** [November 25, 2020, 4:37pm UTC](https://forum.dynamobim.com/t/cannot-getting-started-with-lb-and-hb-in-dynamo/54506 "2020-11-25T16:37:29Z")
I’m following the video of Mostapha “Getting Started Installing Ladybug and Dynamo” but I didn’t figure it out what do I miss. Open Revit 2020 and lunch Dynamo inside revit, the version is Dynamo Revit 2.3.0.7661 Inst… --- ## [Legend in daylight simulation](https://forum.dynamobim.com/t/legend-in-daylight-simulation/57413)
**Author:** [@MAIA17112](https://forum.dynamobim.com/u/MAIA17112)\ **Replies:** 2\ **Last updated:** [November 18, 2020, 6:24pm UTC](https://forum.dynamobim.com/t/legend-in-daylight-simulation/57413 "2020-11-18T18:24:23Z")
hi all I am working on daylight simulation in dynamo using honeybee and lady bug, it’s working well but 1- I need to show the legend of colors , 2- I wanna show this results in Revit 3d “just I can show it as colored dot… --- ## [Honeybee error](https://forum.dynamobim.com/t/honeybee-error/57370)
**Author:** [@MAIA17112](https://forum.dynamobim.com/u/MAIA17112)\ **Replies:** 1\ **Last updated:** [November 18, 2020, 6:05am UTC](https://forum.dynamobim.com/t/honeybee-error/57370 "2020-11-18T06:05:22Z")
Hi I have an errors when using honeybee files I know I need to install packages to work well but I don’t know which packages I need it can you help please? --- ## [Invalid literal for float dynamo to revit](https://forum.dynamobim.com/t/invalid-literal-for-float-dynamo-to-revit/41212)
**Author:** [@puru0007](https://forum.dynamobim.com/u/puru0007)\ **Replies:** 4\ **Last updated:** [March 5, 2020, 9:09pm UTC](https://forum.dynamobim.com/t/invalid-literal-for-float-dynamo-to-revit/41212 "2020-03-05T21:09:36Z")
Hey, I have been trying to run Sun path on ladybug but to finish it because of the error (Image attached below). I searched in forums but unable to find a fix for this. --- ## [Color surface\>Generate color](https://forum.dynamobim.com/t/color-surface-generate-color/12992)
**Author:** [@ashish.khemchandani](https://forum.dynamobim.com/u/ashish.khemchandani)\ **Replies:** 7\ **Last updated:** [November 2, 2019, 11:21am UTC](https://forum.dynamobim.com/t/color-surface-generate-color/12992 "2019-11-02T11:21:33Z")
Hello everyone; I’m new to Dynamo and trying out the sunlight hours component and couldn’t figure out these two things: The new ‘Generate Color’ node in later versions misses the ‘analysis surfaces’ input from the old… --- ## [Honeybee Hourly Values Output is percentage and relation to BRE guidlines?](https://forum.dynamobim.com/t/honeybee-hourly-values-output-is-percentage-and-relation-to-bre-guidlines/41568)
**Author:** [@Thomas\_Savage](https://forum.dynamobim.com/u/Thomas_Savage)\ **Replies:** 0\ **Last updated:** [October 8, 2019, 5:14pm UTC](https://forum.dynamobim.com/t/honeybee-hourly-values-output-is-percentage-and-relation-to-bre-guidlines/41568 "2019-10-08T17:14:07Z")
Hello Forum I’m using honeybee for dynamo, are the hourly values outputs percentages? So related to BRE guidlines? See attached screenshot for reference --- ## [Revit dynamo package on alias dynamo](https://forum.dynamobim.com/t/revit-dynamo-package-on-alias-dynamo/39943)
**Author:** [@miladmohtadi](https://forum.dynamobim.com/u/miladmohtadi)\ **Replies:** 1\ **Last updated:** [August 27, 2019, 8:18am UTC](https://forum.dynamobim.com/t/revit-dynamo-package-on-alias-dynamo/39943 "2019-08-27T08:18:05Z")
is it possible to use some package on revit dyanmo like ladybug or honeybee on alias dynamo? --- ## [Solar Analysis using Ladybug tools](https://forum.dynamobim.com/t/solar-analysis-using-ladybug-tools/36183)
**Author:** [@florian.maillot](https://forum.dynamobim.com/u/florian.maillot)\ **Replies:** 2\ **Last updated:** [May 21, 2019, 3:50pm UTC](https://forum.dynamobim.com/t/solar-analysis-using-ladybug-tools/36183 "2019-05-21T15:50:18Z")
Hello everyone, I am actually trying to do an annual solar analysis on a rooftop, in order to do that i dispose of a REVIT model and an epw file. After a few research, i found out about the ladybug tools that work with… --- ## [From GH to Dynamo Code block](https://forum.dynamobim.com/t/from-gh-to-dynamo-code-block/33487)
**Author:** [@emb15kfo](https://forum.dynamobim.com/u/emb15kfo)\ **Replies:** 1\ **Last updated:** [March 14, 2019, 9:06pm UTC](https://forum.dynamobim.com/t/from-gh-to-dynamo-code-block/33487 "2019-03-14T21:06:07Z")
Hi Sorry for the very basic question but I am kinda new to Dynamo. I would like to know how can I translate this from Grasshopper to Dynamo. Thank you so much. :grinning: --- ## [Error generating test points using Ladybug 0.2.1](https://forum.dynamobim.com/t/error-generating-test-points-using-ladybug-0-2-1/31208)
**Author:** [@archjahzzy](https://forum.dynamobim.com/u/archjahzzy)\ **Replies:** 2\ **Last updated:** [February 28, 2019, 2:01pm UTC](https://forum.dynamobim.com/t/error-generating-test-points-using-ladybug-0-2-1/31208 "2019-02-28T14:01:44Z")
Hi all, I just installed Ladybug 0.2.1 and Honeybee 0.1.9 to try out creating this from the Hydra tutorials: However, when I tried to do it, I found out that “Generate Test Points” with only 3 inputs and “Sunlightho… --- ## [New packages for ladybug and honeybee are available!](https://forum.dynamobim.com/t/new-packages-for-ladybug-and-honeybee-are-available/14209)
**Author:** [@Mostapha](https://forum.dynamobim.com/u/Mostapha)\ **Replies:** 9\ **Last updated:** [January 21, 2019, 10:28am UTC](https://forum.dynamobim.com/t/new-packages-for-ladybug-and-honeybee-are-available/14209 "2019-01-21T10:28:49Z")
The truth is that I personally was never happy with the current packages of Ladybug and Honeybee for Dynamo. Ladybug had major performance issues because of using Dynamo geometry libraries and Honeybee was limited to p… --- ## [Ladybug or Insight? Stuck during creating process of insolation analysis in Dynamo](https://forum.dynamobim.com/t/ladybug-or-insight-stuck-during-creating-process-of-insolation-analysis-in-dynamo/24699)
**Author:** [@izafolga](https://forum.dynamobim.com/u/izafolga)\ **Replies:** 6\ **Last updated:** [November 28, 2018, 1:59am UTC](https://forum.dynamobim.com/t/ladybug-or-insight-stuck-during-creating-process-of-insolation-analysis-in-dynamo/24699 "2018-11-28T01:59:52Z")
I just need a general help, a brainstorm, some idea or advice. I am student who learn Dynamo by working on my master thesis and I am just stuck as hell. My general idea/topic is ‘Optimization of building insolation by a… --- ## [Ladybug Sun Hour Analysis on Vertical Surfaces](https://forum.dynamobim.com/t/ladybug-sun-hour-analysis-on-vertical-surfaces/25308)
**Author:** [@lisamarie.mueller](https://forum.dynamobim.com/u/lisamarie.mueller)\ **Replies:** 2\ **Last updated:** [September 5, 2018, 8:16pm UTC](https://forum.dynamobim.com/t/ladybug-sun-hour-analysis-on-vertical-surfaces/25308 "2018-09-05T20:16:20Z")
Hello, I have been playing around with Ladybug in Dynamo for the first time this last week but had used it many times in Grasshopper. Most frequently, I had used it to analyze hours of daylight on walls for massing studi… --- ## [Solar Access - Ladybug/Honeybee - Dictionary Object has no attribute name](https://forum.dynamobim.com/t/solar-access-ladybug-honeybee-dictionary-object-has-no-attribute-name/24735)
**Author:** [@daniel.jl.9443](https://forum.dynamobim.com/u/daniel.jl.9443)\ **Replies:** 2\ **Last updated:** [August 28, 2018, 1:06pm UTC](https://forum.dynamobim.com/t/solar-access-ladybug-honeybee-dictionary-object-has-no-attribute-name/24735 "2018-08-28T13:06:53Z")
Hi All, I am currently trying to run a solar access analysis on a test room. Using Dynamo 2.0.1. Has anyone else encountered this error with the Analysis Grid node from Honeybee package? Solar Access File.rvt (2.3 MB) … --- ## [Honeybee Annual Radiation Multiple Surfaces](https://forum.dynamobim.com/t/honeybee-annual-radiation-multiple-surfaces/24000)
**Author:** [@Danku](https://forum.dynamobim.com/u/Danku)\ **Replies:** 0\ **Last updated:** [July 22, 2018, 6:36pm UTC](https://forum.dynamobim.com/t/honeybee-annual-radiation-multiple-surfaces/24000 "2018-07-22T18:36:19Z")
Hello, I have tried to find a post related to this problem, however I could not find one so please excuse if it has been posted before. I am trying to modify the honeybee “05\_annual\_radiation” sample file in order to s… --- ## [Problem with running sample files of honeybee/ladybug](https://forum.dynamobim.com/t/problem-with-running-sample-files-of-honeybee-ladybug/22337)
**Author:** [@mailingbot](https://forum.dynamobim.com/u/mailingbot)\ **Replies:** 1\ **Last updated:** [May 30, 2018, 12:36pm UTC](https://forum.dynamobim.com/t/problem-with-running-sample-files-of-honeybee-ladybug/22337 "2018-05-30T12:36:31Z")
Hi, I just opened the sample rvt file together with some dynamo files from honeybee samples and nothing works. \[dyn\] Can someone point me in the right direction? What should I do with the rooms? --- ## [Daily direct Sunlight/Sunglares](https://forum.dynamobim.com/t/daily-direct-sunlight-sunglares/20981)
**Author:** [@M.Perez](https://forum.dynamobim.com/u/M.Perez)\ **Replies:** 0\ **Last updated:** [April 12, 2018, 12:32pm UTC](https://forum.dynamobim.com/t/daily-direct-sunlight-sunglares/20981 "2018-04-12T12:32:12Z")
Hi, I am trying to cuantify, or more exactly demarcate, the problem with direct Sunlight/Sunglares. I have an office bulding that have a glare-risk in its east facade at mornings; but it is just a few hours early in the… --- ## [Honeybee for Dynamo workshop in London](https://forum.dynamobim.com/t/honeybee-for-dynamo-workshop-in-london/19157)
**Author:** [@Mostapha](https://forum.dynamobim.com/u/Mostapha)\ **Replies:** 2\ **Last updated:** [February 28, 2018, 1:17pm UTC](https://forum.dynamobim.com/t/honeybee-for-dynamo-workshop-in-london/19157 "2018-02-28T13:17:55Z")
\[london2018\] Hi Everyone, We will lead a number of workshops in London on March 19-24, 2018. Some of you might be interested in our 4 hour workshop #4 Honeybee basics for daylighting in Dynamo Thursday, March 22 2018. … --- ## [Honeybee error - Cant find Gensky.exe](https://forum.dynamobim.com/t/honeybee-error-cant-find-gensky-exe/15680)
**Author:** [@nabrown](https://forum.dynamobim.com/u/nabrown)\ **Replies:** 4\ **Last updated:** [October 26, 2017, 4:02pm UTC](https://forum.dynamobim.com/t/honeybee-error-cant-find-gensky-exe/15680 "2017-10-26T16:02:24Z")
Hi All, Im trying to run a script to produce daylighting results with honeybee, Im getting a strange error I think it may have to do with the permissions on my network: Cant find Gensky.exe \[image\] I would appreciate … --- ## [Ladybug package, Run Radiance Analysis - simple error](https://forum.dynamobim.com/t/ladybug-package-run-radiance-analysis-simple-error/14938)
**Author:** [@juliano\_lima\_silva](https://forum.dynamobim.com/u/juliano_lima_silva)\ **Replies:** 1\ **Last updated:** [September 21, 2017, 1:18am UTC](https://forum.dynamobim.com/t/ladybug-package-run-radiance-analysis-simple-error/14938 "2017-09-21T01:18:20Z")
Hello, I have been learning to use Ladybug and Honeybee packages in Dynamo, but recently came across an error when the package updated. Without success in solving the issue on my custom models, I decided to try the sam… --- ## [Rerun Butterfly cases in OpenFOAM](https://forum.dynamobim.com/t/rerun-butterfly-cases-in-openfoam/14190)
**Author:** [@fluke0](https://forum.dynamobim.com/u/fluke0)\ **Replies:** 5\ **Last updated:** [August 23, 2017, 3:37pm UTC](https://forum.dynamobim.com/t/rerun-butterfly-cases-in-openfoam/14190 "2017-08-23T15:37:13Z")
First I would like to give a shout out to Mostapha at Ladybug-tools, great tools and great video tutorials! I’m a HVAC engineer and just started to use Butterfly to generate CFD cases in OpenFoam. Butterfly has the pote… --- ## [Color gradient with Ladybug](https://forum.dynamobim.com/t/color-gradient-with-ladybug/14079)
**Author:** [@dillmann\_david](https://forum.dynamobim.com/u/dillmann_david)\ **Replies:** 5\ **Last updated:** [August 23, 2017, 9:56am UTC](https://forum.dynamobim.com/t/color-gradient-with-ladybug/14079 "2017-08-23T09:56:26Z")
Hello, I had follow a tuto about Ladybug. My problem is at the end of the script. I’ve got just 2 colors but not a gradient like the tuto. Do you have an idea ? Thanks My script… --- ## [Ladybug's Solar radiation won't read the EPW file](https://forum.dynamobim.com/t/ladybugs-solar-radiation-wont-read-the-epw-file/4178)
**Author:** [@ABHIJEET\_SHARMA1](https://forum.dynamobim.com/u/ABHIJEET_SHARMA1)\ **Replies:** 16\ **Last updated:** [June 25, 2017, 1:31pm UTC](https://forum.dynamobim.com/t/ladybugs-solar-radiation-wont-read-the-epw-file/4178 "2017-06-25T13:31:14Z")
Hello everyone, I was trying to run the solar radiation analysis using Mostafa’s Ladybug plugin, but i am stuck at the very first step. The 'Generate Sky Matric’node won’t read the EPW file. Have tried with so many diff… --- ## [Back ground preview error](https://forum.dynamobim.com/t/back-ground-preview-error/8429)
**Author:** [@Renzoj14](https://forum.dynamobim.com/u/Renzoj14)\ **Replies:** 0\ **Last updated:** [December 22, 2016, 7:43pm UTC](https://forum.dynamobim.com/t/back-ground-preview-error/8429 "2016-12-22T19:43:57Z")
HI, does anyone here know what the message on the image below mean? it came up while trying to run a ladybug definition. relevant files attached.SunHourAnalysis.dyn (30.1 KB) thanks