FamilyInstance.Location of curtain panel instances on divided surface of mass family

revit
dynamo
#1

see attached image, seems location is wrong, i recalled that in API, transforms needed to be considered so i assume same issue happens here, any solution?

#2

my workaround is using geometry centroid, seems FamilyInstance.Location doesn’t work for curtain panel

1 Like
#3

@Ning_Zhou Please post your dyn (or a link )

#4