# \#gbxml

**URL:** https://discourse.ladybug.tools/tag/gbxml/76.md

[Latest](https://discourse.ladybug.tools/latest.md) · [Categories](https://discourse.ladybug.tools/categories.md) · [Tags](https://discourse.ladybug.tools/tags.md)

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## [HB Dump gbXML crashes Rhino silently — same model translates fine in CPython](https://discourse.ladybug.tools/t/hb-dump-gbxml-crashes-rhino-silently-same-model-translates-fine-in-cpython/40880)

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**Author:** [@mchabasset](https://discourse.ladybug.tools/u/mchabasset)\
**Replies:** 2\
**Last updated:** [October 27, 2026, 6:46pm UTC](https://discourse.ladybug.tools/t/hb-dump-gbxml-crashes-rhino-silently-same-model-translates-fine-in-cpython/40880 "2026-10-27T18:46:00Z")

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Hi @chris, I’m hitting a reproducible hard crash with the HB Dump gbXML component: the moment I switch \_dump from False to True, Rhino closes instantly. No Grasshopper error bubble, no exception, no crash report, no out…

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## [Success Exporting to ComCheck?](https://discourse.ladybug.tools/t/success-exporting-to-comcheck/40518)

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**Author:** [@edpmay](https://discourse.ladybug.tools/u/edpmay)\
**Replies:** 1\
**Last updated:** [July 4, 2026, 8:00pm UTC](https://discourse.ladybug.tools/t/success-exporting-to-comcheck/40518 "2026-07-04T20:00:57Z")

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I wonder if anyone has experience successfully exporting to the US Code-Compliance tool ComCheck ? Their docs seem to (maybe?) say they accept GBXML import, but it doesn’t seem to work for me if I try and go LBT\>GBXML\>Co…

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## [How to modify existing apertures from existing model](https://discourse.ladybug.tools/t/how-to-modify-existing-apertures-from-existing-model/15710)

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**Author:** [@gzorzeto](https://discourse.ladybug.tools/u/gzorzeto)\
**Replies:** 5\
**Last updated:** [March 24, 2026, 3:26pm UTC](https://discourse.ladybug.tools/t/how-to-modify-existing-apertures-from-existing-model/15710 "2026-03-24T15:26:45Z")

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Hey everyone! I’m currently trying to modify the geometry of the external apertures for a model imported as gbXML. To this end, I broke the model into rooms and the rooms into faces (with DeconstructModel and DecnstrObj,…

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## [Import gbXML- Inconsistent Zone Order](https://discourse.ladybug.tools/t/import-gbxml-inconsistent-zone-order/36386)

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**Author:** [@hirda\_khalid](https://discourse.ladybug.tools/u/hirda_khalid)\
**Replies:** 8\
**Last updated:** [April 15, 2025, 10:34pm UTC](https://discourse.ladybug.tools/t/import-gbxml-inconsistent-zone-order/36386 "2025-04-15T22:34:33Z")

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Hi, I’m working with my supervisor, @MichaelDonn, on calibrating an energy model using a gbXML file (Fig.1). We’ve encountered an issue where the zones get reordered whenever we restart the program (Rhino & Grasshopper)…

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## [Import gbXML error](https://discourse.ladybug.tools/t/import-gbxml-error/4406)

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**Author:** [@hdimor.mr](https://discourse.ladybug.tools/u/hdimor.mr)\
**Replies:** 9\
**Last updated:** [July 15, 2024, 10:37am UTC](https://discourse.ladybug.tools/t/import-gbxml-error/4406 "2024-07-15T10:37:23Z")

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Hi, I using import gbXML in HB but I encountered an error: But it works in Spider, OpenStnudio, and SketchUp! Why it happend? DB\_4HB4.xml (562.7 KB)

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## [DumpGBXML Error](https://discourse.ladybug.tools/t/dumpgbxml-error/25284)

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**Author:** [@homan95](https://discourse.ladybug.tools/u/homan95)\
**Replies:** 10\
**Last updated:** [July 13, 2024, 5:45am UTC](https://discourse.ladybug.tools/t/dumpgbxml-error/25284 "2024-07-13T05:45:00Z")

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Hi guys, Has anyone run into the problem in the attached screenshot before? Was trying to export a gbXML with two rooms and a door, but an error is shown in the “Dump GBXML” component. I tried Please let me know how…

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## [How to have Gbxml export?](https://discourse.ladybug.tools/t/how-to-have-gbxml-export/25052)

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**Author:** [@Mahdian](https://discourse.ladybug.tools/u/Mahdian)\
**Replies:** 1\
**Last updated:** [May 30, 2024, 9:11am UTC](https://discourse.ladybug.tools/t/how-to-have-gbxml-export/25052 "2024-05-30T09:11:18Z")

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Hey there I need to know if it is possible to have gbxml export of energy models from rhino or ladybug tools. I appreciate your help in advance…

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## [Export/dump gbXML - missing windows](https://discourse.ladybug.tools/t/export-dump-gbxml-missing-windows/22383)

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**Author:** [@maxi.mit1996](https://discourse.ladybug.tools/u/maxi.mit1996)\
**Replies:** 0\
**Last updated:** [August 8, 2023, 12:20pm UTC](https://discourse.ladybug.tools/t/export-dump-gbxml-missing-windows/22383 "2023-08-08T12:20:10Z")

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Hey guys, I am trying to dump a gbxml file with the honeybee grasshopper function, it exports smoothly, however, the windows are always missing. Instead there are just holes in the walls. Does anyone know why this could…

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## [Daylight simulations using Python](https://discourse.ladybug.tools/t/daylight-simulations-using-python/17737)

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**Author:** [@omarhamed](https://discourse.ladybug.tools/u/omarhamed)\
**Replies:** 5\
**Last updated:** [June 23, 2022, 11:18am UTC](https://discourse.ladybug.tools/t/daylight-simulations-using-python/17737 "2022-06-23T11:18:17Z")

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Dear All, I am working on a project to automate daylight simulations. I decided to use Ladybug tools as they are very powerful and relatively easy to use. I have learned how to perform daylight simulations using Grassh…

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## [Problem with GBXML import - missing floor and windows](https://discourse.ladybug.tools/t/problem-with-gbxml-import-missing-floor-and-windows/9626)

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**Author:** [@ae](https://discourse.ladybug.tools/u/ae)\
**Replies:** 7\
**Last updated:** [December 7, 2021, 7:54pm UTC](https://discourse.ladybug.tools/t/problem-with-gbxml-import-missing-floor-and-windows/9626 "2021-12-07T19:54:20Z")

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Hi, I am trying to import via HB a simple GBXML created by REVIT. What is interesting when loaded into GBXML viewer Spider everything works: But in GH I have no floor (the brep is there, but HB does not read it as f…

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## [gbXML energy analysis workflow](https://discourse.ladybug.tools/t/gbxml-energy-analysis-workflow/16718)

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**Author:** [@omarhamed](https://discourse.ladybug.tools/u/omarhamed)\
**Replies:** 1\
**Last updated:** [December 7, 2021, 7:46pm UTC](https://discourse.ladybug.tools/t/gbxml-energy-analysis-workflow/16718 "2021-12-07T19:46:22Z")

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Dear all, I am developing a workflow for building performance simulations by creating the gbXML file from Revit and importing it to the ladybug tools to perform energy and daylight analysis. I made many changes to the …

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## [Dump GBXML added noise to Room Names](https://discourse.ladybug.tools/t/dump-gbxml-added-noise-to-room-names/16101)

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**Author:** [@archgame](https://discourse.ladybug.tools/u/archgame)\
**Replies:** 1\
**Last updated:** [October 5, 2021, 11:00pm UTC](https://discourse.ladybug.tools/t/dump-gbxml-added-noise-to-room-names/16101 "2021-10-05T23:00:49Z")

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The DumpGBXML component is working, however I noticed that for my Space Names (image above), it appends some sort of ID string, is this necessary? It makes reading the room names difficult. Thanks, Matt

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## [HB Load gbXML error](https://discourse.ladybug.tools/t/hb-load-gbxml-error/15612)

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**Author:** [@demianvk](https://discourse.ladybug.tools/u/demianvk)\
**Replies:** 2\
**Last updated:** [August 24, 2021, 5:41pm UTC](https://discourse.ladybug.tools/t/hb-load-gbxml-error/15612 "2021-08-24T17:41:10Z")

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I’m getting an error when trying to use the “HB Load gbXML” function in HoneyBee (v 1.2.0). I’m attempting to load an .osm created with the OpenStudio app (1.2.0) The reason for using the app is that we use software th…

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## [Simple Room Modding Component](https://discourse.ladybug.tools/t/simple-room-modding-component/14518)

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**Author:** [@Mauricio](https://discourse.ladybug.tools/u/Mauricio)\
**Replies:** 0\
**Last updated:** [May 18, 2021, 4:55pm UTC](https://discourse.ladybug.tools/t/simple-room-modding-component/14518 "2021-05-18T16:55:09Z")

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This is a solution I found that helps me with my workflow from Revit to LBT. Getting an analytical model from Revit to LBT can be problematic to say the least. With detailed models including non-orthogonal geometry the …

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## [Solution exception:HBHive error](https://discourse.ladybug.tools/t/solution-exception-hbhive-error/13172)

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**Author:** [@hamed.sangin](https://discourse.ladybug.tools/u/hamed.sangin)\
**Replies:** 0\
**Last updated:** [February 14, 2021, 3:02am UTC](https://discourse.ladybug.tools/t/solution-exception-hbhive-error/13172 "2021-02-14T03:02:07Z")

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I import gbXML file from DesignBuilder and I comfort this error message!!! Solution exception:HBHive

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## [July 16, 2020 - 1 to 2 pm EST: gbXML Webinar](https://discourse.ladybug.tools/t/july-16-2020-1-to-2-pm-est-gbxml-webinar/10336)

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**Author:** [@TheoA](https://discourse.ladybug.tools/u/TheoA)\
**Replies:** 1\
**Last updated:** [July 20, 2020, 4:02pm UTC](https://discourse.ladybug.tools/t/july-16-2020-1-to-2-pm-est-gbxml-webinar/10336 "2020-07-20T16:02:10Z")

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The Green Building XML organization is presenting a Green Building XML (gbXML) webinar on July 16, 2020 from 1 to 2 pm EST. This webinar is targeted toward energy modelers, engineers, architects, software vendors, and ge…

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## [gbXML import from Archicad - how to model shading?](https://discourse.ladybug.tools/t/gbxml-import-from-archicad-how-to-model-shading/9884)

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**Author:** [@ae](https://discourse.ladybug.tools/u/ae)\
**Replies:** 5\
**Last updated:** [June 13, 2020, 9:54pm UTC](https://discourse.ladybug.tools/t/gbxml-import-from-archicad-how-to-model-shading/9884 "2020-06-13T21:54:31Z")

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Anyone knows how to properly model Archicad model so that Shading can be imported? Another thing is that all the zones in the Archicad model are separated by wall thickness - cannot solve that either…

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## [Import gbXML file generated from ARCHICAD](https://discourse.ladybug.tools/t/import-gbxml-file-generated-from-archicad/4142)

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**Author:** [@blondahouse](https://discourse.ladybug.tools/u/blondahouse)\
**Replies:** 32\
**Last updated:** [May 26, 2020, 7:22pm UTC](https://discourse.ladybug.tools/t/import-gbxml-file-generated-from-archicad/4142 "2020-05-26T19:22:12Z")

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## [No windows in the GBXML example from Hydrashare](https://discourse.ladybug.tools/t/no-windows-in-the-gbxml-example-from-hydrashare/9613)

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**Author:** [@ae](https://discourse.ladybug.tools/u/ae)\
**Replies:** 1\
**Last updated:** [May 5, 2020, 7:01pm UTC](https://discourse.ladybug.tools/t/no-windows-in-the-gbxml-example-from-hydrashare/9613 "2020-05-05T19:01:36Z")

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Hi, I tried to use the example from Hydrashare: http://hydrashare.github.io/hydra/viewer?owner=chriswmackey&fork=hydra\_2&id=Energy\_and\_Daylight\_Model\_from\_gbXML&slide=1&scale=1&offset=0,0 which clearly shows windows, …

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## [Import gbxml, construction layers problem](https://discourse.ladybug.tools/t/import-gbxml-construction-layers-problem/9465)

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**Author:** [@EmanueleL](https://discourse.ladybug.tools/u/EmanueleL)\
**Replies:** 1\
**Last updated:** [April 27, 2020, 11:54am UTC](https://discourse.ladybug.tools/t/import-gbxml-construction-layers-problem/9465 "2020-04-27T11:54:39Z")

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Hi all, I’m trying to import a gbXML with construction assemblies with multiple layers. I can see all the layers into the gbXML file, and the Honeybee component seems able to read all the constructions and import them i…

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## [Importing Gbxml: shading problem](https://discourse.ladybug.tools/t/importing-gbxml-shading-problem/8807)

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**Author:** [@LauraP](https://discourse.ladybug.tools/u/LauraP)\
**Replies:** 0\
**Last updated:** [March 19, 2020, 3:35pm UTC](https://discourse.ladybug.tools/t/importing-gbxml-shading-problem/8807 "2020-03-19T15:35:06Z")

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Hello everyone! First of all, the new component that allows us to import gbxml file into HB is wonderful! I am still learning its potential and probably I do not get something very well. I modelled with Revit a simple …

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## [Tip: Fastest way to view a gbXML file](https://discourse.ladybug.tools/t/tip-fastest-way-to-view-a-gbxml-file/8172)

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**Author:** [@TheoA](https://discourse.ladybug.tools/u/TheoA)\
**Replies:** 0\
**Last updated:** [January 22, 2020, 9:16pm UTC](https://discourse.ladybug.tools/t/tip-fastest-way-to-view-a-gbxml-file/8172 "2020-01-22T21:16:53Z")

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The faster, easier, cheaper ways people are able to access your building project data, the more likely there will be better outcomes for your efforts. A small but significant speed-up may be as simple as providing an eas…

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## [Geometry Import for Dummies](https://discourse.ladybug.tools/t/geometry-import-for-dummies/7357)

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**Author:** [@SarahG](https://discourse.ladybug.tools/u/SarahG)\
**Replies:** 4\
**Last updated:** [October 21, 2019, 6:34pm UTC](https://discourse.ladybug.tools/t/geometry-import-for-dummies/7357 "2019-10-21T18:34:38Z")

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Wondering if we’re trying to do something overly complicated here, but I’m feeling like an idea workflow would be Revit -\> gbxml -\> Honeybee. Just starting to explore the gbxml capabilities of Revit without huge success…

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## [Saturday bonus: Spider gbXML Gallery for OpenStudio](https://discourse.ladybug.tools/t/saturday-bonus-spider-gbxml-gallery-for-openstudio/7228)

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**Author:** [@TheoA](https://discourse.ladybug.tools/u/TheoA)\
**Replies:** 0\
**Last updated:** [September 21, 2019, 9:46pm UTC](https://discourse.ladybug.tools/t/saturday-bonus-spider-gbxml-gallery-for-openstudio/7228 "2019-09-21T21:46:30Z")

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Browse a ton of gbXML files in a jiffy This project was started because of a bug in Spider gbXML Viewer for OpenStudio as reported in the NREL site here: Update embeddable\_gbxml\_editor.html to match new build from @…

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## [Advice wanted: Updates to Spider gbXML Viewer for OpenStudio](https://discourse.ladybug.tools/t/advice-wanted-updates-to-spider-gbxml-viewer-for-openstudio/7161)

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**Author:** [@TheoA](https://discourse.ladybug.tools/u/TheoA)\
**Replies:** 2\
**Last updated:** [September 17, 2019, 8:34am UTC](https://discourse.ladybug.tools/t/advice-wanted-updates-to-spider-gbxml-viewer-for-openstudio/7161 "2019-09-17T08:34:20Z")

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The National renewable Energy Laboratory is asking for an update to the version of the Spider gbXML Viewer to be embedded in their upcoming release of OpenStudio 2.9.0.What should be inthe update to help your workflow? T…

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## [Spider gbXML Viewer 'Maevia' v0.17.02 - latest features](https://discourse.ladybug.tools/t/spider-gbxml-viewer-maevia-v0-17-02-latest-features/6977)

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**Author:** [@MichalDengusiak](https://discourse.ladybug.tools/u/MichalDengusiak)\
**Replies:** 0\
**Last updated:** [August 14, 2019, 11:10pm UTC](https://discourse.ladybug.tools/t/spider-gbxml-viewer-maevia-v0-17-02-latest-features/6977 "2019-08-14T23:10:53Z")

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Spider gbXML Viewer ‘Maevia’ v0.17.02 Here are 15 nice things you can do with ‘Maevia’ : Find errors in gbXML files and get them fixed for you with a click of a button Forget unzipping and zipping, Maevia does the wo…

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## [Import material window from revit (gbxml) to Honeybee](https://discourse.ladybug.tools/t/import-material-window-from-revit-gbxml-to-honeybee/6427)

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**Author:** [@LauraP](https://discourse.ladybug.tools/u/LauraP)\
**Replies:** 4\
**Last updated:** [June 11, 2019, 3:20pm UTC](https://discourse.ladybug.tools/t/import-material-window-from-revit-gbxml-to-honeybee/6427 "2019-06-11T15:20:56Z")

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Hy everyone, I am working with the gbxml import component, but I have some problems with the window materials. I set those properties in revit, but honeybee replaces window proprieties with default materials… Is there a…

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## [gbXML Viewer analysis of doors & windows](https://discourse.ladybug.tools/t/gbxml-viewer-analysis-of-doors-windows/4969)

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**Author:** [@Neil](https://discourse.ladybug.tools/u/Neil)\
**Replies:** 5\
**Last updated:** [January 16, 2019, 10:55am UTC](https://discourse.ladybug.tools/t/gbxml-viewer-analysis-of-doors-windows/4969 "2019-01-16T10:55:14Z")

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Hello, I am teaching myself how to use REVIT and gbXML to analyse heat loads for buildings. I used the gbXML viewer to see REVIT’s output file. However, I noted that it gave me no inforamtion regarding the doors or wind…

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## [OSM to gbXML makes blank?](https://discourse.ladybug.tools/t/osm-to-gbxml-makes-blank/4913)

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**Author:** [@NickNovelli](https://discourse.ladybug.tools/u/NickNovelli)\
**Replies:** 2\
**Last updated:** [January 11, 2019, 5:10pm UTC](https://discourse.ladybug.tools/t/osm-to-gbxml-makes-blank/4913 "2019-01-11T17:10:41Z")

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Hello all, I’m trying to use HB to get zone geometry out of Rhino into a gbXML. I’m using the “OpenStudioToXML” component but can’t get it to output an XML. (Is it true that grizzlybear isn’t current anymore?) When I w…

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## [gbXML Import Fail - "Optional String has no attribute 'upper'](https://discourse.ladybug.tools/t/gbxml-import-fail-optional-string-has-no-attribute-upper/4580)

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**Author:** [@santiagogvelez](https://discourse.ladybug.tools/u/santiagogvelez)\
**Replies:** 4\
**Last updated:** [November 30, 2018, 2:58pm UTC](https://discourse.ladybug.tools/t/gbxml-import-fail-optional-string-has-no-attribute-upper/4580 "2018-11-30T14:58:11Z")

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very simple gbxml import is failing with the following error message. “1. Solution exception:‘OptionalString’ object has no attribute ‘upper’” The error happens when it tries to convert the construction name into upper …

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