topic Re: Grading Cut/Fill calculations only work when one Toposurface is present in the model in Revit Architecture Forum https://forums.autodesk.com/t5/revit-architecture-forum/grading-cut-fill-calculations-only-work-when-one-toposurface-is/m-p/9945301#M128782 <P>Not only having toposurfaces, but also having them duplicated with graded region made with different phases...</P> Thu, 17 Dec 2020 01:40:29 GMT alan_eu 2020-12-17T01:40:29Z Grading Cut/Fill calculations only work when one Toposurface is present in the model https://forums.autodesk.com/t5/revit-architecture-forum/grading-cut-fill-calculations-only-work-when-one-toposurface-is/m-p/9834707#M128781 <P>Founding that when using the Graded Region tool the Cut/Fill calculations are only performed if a single toposurface element is present in the model as per the video below.</P><P>&nbsp;</P><P>Is this happening to you as well?</P><P>&nbsp;</P><P>Model file with toposurfaces also available.</P> Fri, 30 Oct 2020 12:09:11 GMT https://forums.autodesk.com/t5/revit-architecture-forum/grading-cut-fill-calculations-only-work-when-one-toposurface-is/m-p/9834707#M128781 jagostinho74 2020-10-30T12:09:11Z Re: Grading Cut/Fill calculations only work when one Toposurface is present in the model https://forums.autodesk.com/t5/revit-architecture-forum/grading-cut-fill-calculations-only-work-when-one-toposurface-is/m-p/9945301#M128782 <P>Not only having toposurfaces, but also having them duplicated with graded region made with different phases...</P> Thu, 17 Dec 2020 01:40:29 GMT https://forums.autodesk.com/t5/revit-architecture-forum/grading-cut-fill-calculations-only-work-when-one-toposurface-is/m-p/9945301#M128782 alan_eu 2020-12-17T01:40:29Z