Product

See it work

A Revit 2024 file (the BIM4LCA housing block) read locally, then filtered by category and coloured by level. The recording starts once the model is open (it took about a minute to convert on the CPU-only machine used) and then runs at real speed. Revit support is in beta: here 200 of 1,531 elements are drawn as boxes, as the viewer says on screen.
The walls of the 24-storey tower filtered: 1,745 of 6,653 elements, with their volume, area and length.
Filter by category, level, type or any property. The result line sums volume, area and length.
The tower coloured by level with a legend.
Colour by level, status or any property, with a legend.
A wall selected in the tower, with its property sets in the inspector.
Click an element to read its property sets and set a review status.
An element selected in the Revit model, with its properties.
The same inspector on a Revit file.

The screenshots and videos show the BIM4LCA example models by VTT Technical Research Centre of Finland and partners (CC BY-SA 4.0) and are shared under the same licence. The 24-storey tower is a synthetic test model.

Local, with no Autodesk

Everything runs in the browser tab. IFC is read by an open-source engine; Revit .rvt files are read by an open-source reader and converted to IFC4 on your machine. Converted models are cached, so the second opening is fast. Nothing needs a Revit seat, an Autodesk account or a cloud conversion.

Built for large projects

The viewer is tested on models of 24 storeys and on files of hundreds of megabytes, because the customers it is made for build tall residential complexes and industrial sites. Several sample models open in one click so you can see the scale before you try your own.

Filter and select

Search and facets by level, category, type, material or any property. Colour by a property, hide and isolate, section the model, and keep the selection while you work.

Check and compare

  • Measure distances and read quantities.
  • Validate against IDS rules.
  • Compare two versions of a model.
  • Find clashes between models, for example architecture against HVAC.

Embed

The viewer can be driven from a host page through a small front-end API. A server API is not planned yet.

Formats

IFC (STEP) and Revit 2024 .rvt. Revit support is in beta and depends on the file; tell us about files that do not open.