Hydraulic designers sizing roof drainage know all too well about h 2h dg and dmax which were easy to work into the family in a step by step process.
Revit roof drains not showing in roof plan.
In the view properties expand the underlay drop down and select the level on which the roof was created to display as an underlay.
Some may call this wysiwyg or what you see is what you get.
Though from long autocad background i m creating a basic dormer with in a roof but the but the roof does not appear in the level.
Out of the box revit doesn t do this because revit shows it as it s built.
Open the plan view of the level in which you want to see the roof line.
If the crop region on the section view is stopped below the cut plane of the roof plan or any plan view the section mark won t show up.
Flat roof drainage detail.
Appliance annotations show up on roof plan when you created the annotation it was probably created with a generic annotation template.
In residential architecture as well as other types it is often a required part of the working drawing set to be able to show the roof overhang as a hidden line on the floor plan views.
Really finally a fourth possibility.
If you want to control the visability of the annotation with the appliances you need to go back into the annotation family and switch the category of the annotation to match the appliance category.