Can we access the data used by Revit Material Takeoff from forge viewer API?
For example, I have a wall (1 element) that have 2 layers:
And now I want to get the volume for each layer, in the same way I can in Revit Material takeoff.
Thank you in advance, any suggestions or suggested workflows would be highly appreciated!
Not directly, but yes, indirectly via the APS Design Automation API for Revit.
You need to access the compound layer structure of the wall to retrieve that information. This can easily be achieved in the APS environment by using the APS Design Automation API for Revit. Here is a sample demonstrating how, forge-customproperty-revit, from the good old times before Forge was renamed to APS: Extract Compound Layer information with Revit engine.