89 questions
Best practices
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30
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Best practices for transitioning from 2D CAD workflows to full BIM-based project delivery across disciplines?
At BIM365, we work with multiple AEC clients where projects still begin with 2D CAD drawings (architecture, structure, and MEP). A common workflow we observe is: design development in 2D, followed by ...
0
votes
1
answer
119
views
fitToView() and getBoundingBox() return same bounds for all objects in linked model uploaded from .zip
I'm working with a Forge Viewer application that loads linked models uploaded in a .zip file (root model + linked model). When selecting different objects and trying to zoom to fit them, fitToView() ...
0
votes
0
answers
59
views
3D objects disappears during rotation
I'm implementing 3D viewer for BIM models with react-three/fiber and I've faced with interecting issue: during rotation my models becomes to disappear, like they moves "behind" the camera, ...
2
votes
1
answer
652
views
Can’t load IFC file in React with @thatopen/components—camera/world or WASM errors
I have a React project where I’m trying to load and display an .ifc file using the @thatopen/components library. However, I keep running into either:
“This camera needs a world to work!” or
WASM ...
0
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1
answer
468
views
How to get element geometry in web-ifc?
I'm using web-ifc version 0.0.59 to explore IFC files.
I'm also using @thatopen/components and associated packages but I find it easier to use the web-ifc package to explore the structure and element ...
1
vote
0
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128
views
Running Blender python script outside of blender error message calculate_object_volumes.poll() failed, context is incorrect
I try to run a python script outside blender headless via blender -b --python import_ifc_model.py command
I have installed Blender 4.2.1, the add-on Bonsai (new name before it was blenderbim) and the ...
-2
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1
answer
256
views
Is it possible to create 3D Building Configurator with Autodesk APS ? or Three.js is better?
I am a Three.js developer. I know 'thatopencompany' recently for ifc files (BIM) too.
We want to create a website like https://planner5d.com/.
I need some data of .ifc files like space, floors, lamp ...
1
vote
0
answers
87
views
Faulty display of IfcBooleanClippingResult
I'm currently working on an IfcViewer application using Xbim, and HelixToolkit. So far i've had no problem with the display if IFC files, and objects. Recently I've introduced objects where the ...
1
vote
1
answer
1k
views
Difficulty in Loading and Visualizing Point Cloud Files in Various Formats and Implementing Interactive Cutting Feature
I'm currently working on a project where I need to load point cloud files of various formats (mainly LAS, LAZ, PLY) and visualize them. Specifically, I've managed to load PLY files using Python's ...
1
vote
1
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119
views
BIM tiles backend handle
as working with ifc.js Components using Fragment IFC Streaming I had an issue handling files in backend I need to know which files I need to put in backend to have it streaming ?
`let filestream = fs....
0
votes
1
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693
views
Open-bim-components - Global ID/Express ID from Selection
I'm currently working on selecting individual elements within the IFC model. I'm essentially using a ray-caster (SimpleRayCaster) to cast a ray onto the object, which is functioning well. I'm ...
0
votes
1
answer
158
views
Navisworks API selection null reference exception
I'm trying to create an action to check whether current selection in Autodesk Navisworks is a part of specific clash test results, and on top of that, to select all clash results where any of the ...
1
vote
1
answer
358
views
Applying rotation matrices from Open3D to objects in IFC OpenShell
I'm working on a project where I need to apply rotation matrices obtained from Open3D to objects represented in IFC OpenShell. As per the documentations for the two: in Open3D, the rotation matrix ...
0
votes
1
answer
217
views
Revit Model Opening Automation
I work with large revit model and lot of time goes in model opening, unfortunately I have to open the model with all Worksets ON for my work. Looking for a way to schedule a task for Revit to start ...
0
votes
1
answer
420
views
Can xBim toolkit help me calculate the volume of some objects in an IFC model?
I am new to .NET xBim Toolkit and I wonder if it can help with calculating the volume of some objects in an IFC model. In particular, there is module called XbimGeometry but I am unsure if and how it ...
0
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0
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32
views
external Ids exist in SQLlite file but not in model derivative API
I'm pulling the SQL lite file for models from ACC but am having a few issues.
SELECT
ids.id AS dbId,
ids.external_id AS externalId,
attrs.name ...
-1
votes
1
answer
422
views
Extracting external walls from an IFC file using the selector syntax in IFCOPENSHELL
I am an absolute beginner in ifcopenshell python and blender BIM. I am trying to extract all external walls from an existing IFC file and then writing them into a new IFC file. what i tried was to use ...
0
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1
answer
66
views
Is it possible to add custom properties to a translated SVF2 file via API or at Runtime in Forge?
When using a translated SVF from a Revit file upload to ACC, is it possible to add properties to the model elements that are not originally included in the Revit file and make those available to the ...
-1
votes
1
answer
217
views
Problem in python script using ifcopenshell module
Currently i try to run a code but I keepr receiving errors, tried everything to fix error but unfortunatly no results. hoping someone can help me.
# Importeer de functies uit ifc_functions.py
import ...
0
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1
answer
110
views
Delete Calculated field in Azure SSAS-Tabular modal
I am using Azure Tabular Analytics. I have the *.bim file where I added few calculations. Over the period, I kept creating new calculation fields but did not removed the old ones that are not in use. ...
0
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1
answer
151
views
How to get BuildingElementProxys of ifc-files?
I have to extract some convection coolers out of an ifc-file. They're saved as BildingElementProxys & are in relation with IfcRelContainedInSpatialStructure.
My approach is to get all the ...
0
votes
2
answers
1k
views
How can I create a triangle mesh in an .ifc file from scratch in python?
I am new to working with .ifc files in python. What is the best way to create a triangle mesh when I have two arrays - one with vertices and one with faces - in a new .ifc file and how can I do this ...
1
vote
1
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167
views
BIM and IoT sensor integration
I am working on BIM and IoT sensor integration for the digital twin and I intend to use Autodesk Platform Services for the integration.I previously used the developer's guide for Data Visualization ...
0
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0
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296
views
Ugly shading in Xbim
I'm developing a software that can display 3D IFC building models. I'm using Xbim, and Helix toolkit for that.
I managed to display the geometry correctly, but there is something off with the shading ...
0
votes
1
answer
268
views
forge connector in power automate
when i try to connect with the forge connector in power automate, it sayes no items in the folder (bim 360).
[](https://i.sstatic.net/...
-2
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2
answers
256
views
How to start using Autodesk Forge?
I am a new user of Autodesk Forge and I am stuck in the very first step. I cannot figure out what to do after I created an app on Forge's website. Can you please help me with this? I would appreciate ...
0
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1
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86
views
Is Autodesk Forge capable of representing data and data interaction?
This question is aimed at the Autodesk Forge experts here.
I have started looking into Forge recently and wondered if Forge can do what I have in mind. I have a few location data (x,y,z) and a simple ...
0
votes
1
answer
1k
views
Create IFC file using C#
Does anyone know if there is already a widespread way of creating IFC files, or at least IFC objects, using C#?
I am trying to create objects based on class instances that result from a calculation ...
0
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0
answers
111
views
Forge not generating master view
I've been trying to use the forge viewer and I cannot get it to translate the .rvt files with the room info.
I read you need to specify: "generateMasterViews": True and in the headers 'x-ads-...
1
vote
1
answer
192
views
Get system with elements from a model
How do I get the elements in a HVAC system? I can access the list of the systems in a model with the following code:
var systems = model.Instances.OfType<IfcSystem>();
This returns a list of ...
3
votes
2
answers
653
views
Result of function is returned without changing list items in if-statement
Thanks in advance for your input.
I started learning Python today, because I want to define custom Python nodes in DynamoBIM (Revit) to be more flexible if there aren´t predefined / suitable nodes for ...
1
vote
1
answer
280
views
How to exclude door sweep from bounding box using revit API
I have a revit file in which there are a few doors. When i try to extract the bounding box of the door then the sweep of the door is also included in the bounding box which i dont want. I just want ...
0
votes
0
answers
285
views
IFC : IfcReinforcingBar example
I am using xBIM toolkit. I need to write bar (IfcReinforcingBar) and try to do this following wall creation example. But I am totally lost.
Does anybody already do this and could share is code with me ...
0
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0
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206
views
BIM Model Performance in Forge
I did an experiment to compare the loading performance of different BIM models in Autodesk Forge Viewer on the same machine. The duration is measured until PROGRESS_UPDATE_EVENT (state=2 and ...
0
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0
answers
42
views
gbXML file generation time
I am trying to generate the gbXML file using solar computer plugin GBIS. However it has updated to 15% only in more than one hour. Is it normal for gbXML file to generate or export. For more ...
0
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1
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42
views
Can I colour one element in a BIM with multiple colours?
I am looking into ways to colour an element in my BIM file (Walls, Floors etc.) with multiple colours. The idea is that when I have a wall or floor through multiple rooms, I want to colour that wall ...
1
vote
0
answers
36
views
BIM Model clipping issues in Unity 2020
I have BIM model that I am using in 2018 version of Unity engine. When import the model into my project on 2019 OR 2020 version of the Unity engine, clippings on certain surfaces of the model occurs.
...
0
votes
3
answers
293
views
How to Set Home View in BIM 360?
Is there a way to set BIM 360 3D views to all have the same home view? I tried setting it up inside Revit, and it works for my views when I open in Revit. But once I publish it and upload to BIM 360 ...
-2
votes
1
answer
469
views
How to find Exterior wall facing south-east, south-west, north-east, north-west in C# Revit API [closed]
I need to find "exterior wall facing" in c# revit API...please help me. I want the wall facing.. the wall is in which facing like southEast, southwest, northeast, northwest.
I have referred ...
1
vote
1
answer
251
views
IfcOpenShell: Segfault when trying to return a dictionary containing ifcopenshell objects and their corresponding shapes
im trying to extract all the IfcProduct-shapes from a ifc file and return them (with their corresponding Product) to another part of my program. The problem is that when i try to return a dictionary ...
1
vote
1
answer
721
views
How do I create and manipulate a Table property for an IFC object using Xbim?
I am working off of the basic example for amending data (https://github.com/xBimTeam/XbimEssentials). The only thing I'm changing is within the code below, where I want to add an IfcPropertyTableValue ...
0
votes
1
answer
306
views
Ifc object with multiple colors
Is it possible, within IFC 4.0, to define an Ifc object (IFC Wall for example) with multiple colors (which are IfcStyledItem)? How can we activate each color inside a BIM Viewer program (like layer in ...
0
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1
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792
views
How do I determine whether a 3D coordinate is located within the boundaries of a 3D object in BIM? I'm using Xbim working with IFC-files
I have an IFC file of a 3D building model (BIM) split into constituent physical objects and I have properties that I want to assign to the correct object. The properties come with a location: they are ...
0
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1
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1k
views
How to I extract only the lowest-level objects in Xbim?
I have a BIM model in IFC format and I want to add a new property, say cost, to every object in the model using Xbim. I am building a .NET application. The following code works well, except, the ...
0
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3
answers
328
views
Couldn't I model 3D elements directly in a IFC file?
I was wondering here if can't I model directly in a IFC file the 3D elements like walls, windows, doors, etc by using a software (or developing it).
I'm asking it because we are always trying to ...
3
votes
1
answer
657
views
How to get the material data of specific IfcElement
In the basic operations in the xbim examples https://docs.xbim.net/examples/basic-model-operations.html, it shows how to retrieve the single value properties of a specific IfcElement. Based on this I'...
0
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2
answers
2k
views
Revit API - How to get existing detail line Origin and Direction?
This might be a newb question but I haven't found any information on it. I've found info on how to create new detail lines but that's about it.
I'm trying to retrieve the origin and direction of an ...
0
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2
answers
3k
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Revit API - C# - How to set View Title on Viewport
I'm trying to set a view title to show up on a Revit project using the Revit API however I can't figure out how to access it.
I'm able to place a viewport on the sheet and load the view title family ...
0
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1
answer
186
views
How can I open a BIM viewer in Eclipse?
I tried to run a code snippet for a simple IFC viewer taken from the apstex website in Eclipse and I'm obviously lacking something for the 3D widget but I can't figure out for the life of me what I'm ...
0
votes
1
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251
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AUTODESK FORGE BIM360 WEBHOOK ISSUES ROADMAP
We are looking into ways of visualizing Issues and Rfi’s (minimally) as geopositioned items in our GIS (Geographic Information System). We achieved some interesting results, though looking at ...