I’ve been running into issues trying to extract slab geometry. As you can see in the image, the slab definitely has geometry to it. However when I run the Element.Geometry (or Element.Solid) node, I get an error saying “Warning: Element.Geometry operation failed. value cannot be null. parameter name…

Element.Geometry operation failed

Kulkul July 27, 2016, 1:31am 2

Hi Dennis,

Try using this.

3 Likes

Get geometry for steel plate in revit 2019