Ian Keough

@alvpickmans The fix should be in 0.3.2. Please let us know if it resolves your issue.

That is true. Polygon winding is assumed to be CCW. The simple fix would be nice :), but it would most likely break other area calculations. As "holes" are represented...

Further to the issue with collections above, we've noted an issue with null transforms as well. Walls, and probably others, have a null transform property if a transform is not...

@andrewheumann @wynged I believe this addresses a number of concerns that we discussed.

There is a further simplification to the object model that can be made by collapsing `GeometricElement` into `Element`, and adding a `HasRepresentation` property. Then a developer can do a check...

Can you explain the use case? Profiles are only added as necessary when elements are being added to the model. Allowing the user to add profiles would mean you could...

I see. You want to be able to render arbitrary curves. I think we need to make something akin to a Model Curve in Revit. That is, an element, which...

```c# public class ModelCurve : Element, ICurveProvider { public ICurve Curve{get;} public ModelCurve(ICurve curve) { this.Curve = curve; } } ``` And while we're at it, I'd add `ModelPoint` as...

There is still much improvement needed on the ifc->gltf pipeline. There are a number of ways which color can be prescribed in IFC. We haven't settled on which one we...

I believe the confusion is that in the gltf you're seeing the porch slab as if it were the porch _roof_. The porch roof and posts are missing, which is...