224 questions
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Model Derivative API ignores conversionMethod v3 and still uses Navisworks for IFC conversion, resulting in Error Code 5
I've asked before but it was deleted because of insufficient information, so I hope it's not the case this time.
I'm experiencing an issue where the Model Derivative API appears to ignore the v3 ...
- 415
0
votes
0
answers
36
views
How to fix camera vibrations and unreadable pixels in IFC.js viewer with Three.js and React
I'm developing a React application using IFC.js and Three.js to visualize complex BIM models. However, I'm facing two major issues:
Camera vibrations during transitions/selections
When clicking on an ...
2
votes
1
answer
449
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 ...
- 31
0
votes
1
answer
361
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 ...
- 464
1
vote
0
answers
39
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XBIm - boundingbox wrong dimensions with circular buildingelementproxy
I am trying to get the dimensions of the buildingelementproxy in VB.net
with rectangular form the dimensions are correct but when i have a circular object the values are off by approx. 10mm..... ...
- 11
1
vote
0
answers
67
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
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0
answers
96
views
How to get oriented bounding box of Element in XBim?
I'm using the XBim library to extract information about IFC Furniture and Sanitary Elements. Part of that information is the (2D) outline of elements in space.
Ideally, I'd like to get the convex hull ...
- 2,182
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163
views
How to work with multiple models loaded into one scene using ThatOpen libraries?
ThatOpen libraries and Three.js support loading multiple models into one scene and displaying the models. However, I have not found a way to display the entity properties of each model, floor plans ...
- 11
1
vote
1
answer
110
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
answer
275
views
openbim-components | OrthoPerspectiveCamera is slow/stuck when I zoom in the model
I have an issue using the OrthoPerspectiveCamera in my App (from openbim-components package). When I am zooming into my model, it automatically switches into FirstPerson mode. And then, it becomes ...
- 1
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answers
42
views
Revit vb.net change IFC Parameter value
I can change a lot of parameters by the .LookupParameter("string").SetValueString("new_string"), but it seems that IFC parameters (or Identify Data) can not be changed? How can ...
- 11
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answers
169
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XBIM - how to get rotation of an object (flowterminal)
I am trying to get the rotation of an object (flowterminal) from a IFC-file using XBIM
enter image description here
i can not seem to find a property, so it seems that the rotation needs to be ...
- 11
0
votes
1
answer
380
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 ...
- 807
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votes
2
answers
403
views
Xbim IFC Viewer ASP.NET
I successfully implemented an IFC viewer in NodeJs and am now trying to implement it in ASP.NET MVC Core 2.1
Here are my codes:
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml&...
- 11
0
votes
1
answer
128
views
Xbim library does not find all properties
We process ifc IFC2X3 file for retrieving information.
With the following code some properties seems not to be found. Its about "Typical-code" in "General" section
//...
- 11
2
votes
3
answers
296
views
What about IFC64 GUID?
I'm writing a C# application, where objects are to be identified by their Guid. According to the customer, there should be two types:
Standard GUID (128-bit, 36 characters)
IFC64 GUID (132-bit, 22 ...
- 17.6k
0
votes
1
answer
212
views
IFC: Add Unit (IfcUnit) to IfcPropertySingleValue
A python script produces an IFC-file wherein the following line appears several times:
PropertySingleValueWriter = ifcfile.createIfcPropertySingleValue("{}".format(V), "{}".format(...
- 522
0
votes
0
answers
465
views
Center ThreeJS PlaneHelper on geometry
I am using local clipping to allow my users to drop clipping planes on my models. When they add a clipping plane, I'm using PlaneHelper to visualize where the plane is. I cannot seem to get the ...
- 2,748
1
vote
0
answers
81
views
"Unexpected digit after hash token" requiring IFC file in React Native
I'm simply trying to perform a require(./file.ifc) into my application so I can run it with threejs and expo-gl. Although when I require it, I get this error:
error: SyntaxError: /Users/niltonsf/...
- 1,200
1
vote
0
answers
50
views
Exposing the IfcPresentationLayerAssignment from an Ifc file using Python
I need to expose the IfcPresentationLayerAssignment entity from my IFC file where autocad layer information is stored.
I need to do this in FME, however FME currently doesn't have the capability to ...
- 11
0
votes
0
answers
280
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
185
views
Check if Model has any default hidden elements in Forge's 3D Viewer
Some background:
I'm using Forge to visualize IFC models. Some of my uploaded models have IfcOpeningElements which seems to be hidden in Forge by default, at least when setting ghosting to false via ...
- 2,347
0
votes
1
answer
726
views
this.geometry is undefined when using tree-mesh-bvh accelerated raycasting and ifc.js
In a simple IFC.js application, loading IFC models (and fragments for that matter) fails with TypeError: this.geometry is undefined when accelerating the raycast using three-mesh-bvh. Removing that ...
- 103
0
votes
1
answer
240
views
the distance between two points of the object , using IFCviewerAPI
I would like to calculate the distance between two points of the object by clicks.
I use IFCviewerAPI.
- 1
0
votes
1
answer
497
views
IFCjs: Viewer: How to change onHover color?
I would like to change the color of the onHover effect in IFCjs viewer. Currently it is pink, it would be nice if it was lightGrey.
Can anybody help me do it?
