Roof Listing Parameters

Parameter

Short Description

Long Description

 

Roof Geom­etry Method

Single Plane, Multi-plane

Roof Geometry method

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Bottom Sur­face

Name of Surface assigned to the Roof bottom.

Assign surfaces in the Model panel of Roof Settings

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Edge Surface

Name of the Surface assigned to the Roof edge.

Lists the Roof’s default edge surface (as defined in its Building Material). Not listed for composite Roofs.

To list all Surfaces, including custom ones and those of composite elements, use a Surface-type list (e.g. All Finishes).

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Top Surface

Name of the Surface assigned to the Roof top.

Assign surfaces in the Model panel of Roof Settings

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Conditional Bottom Sur­face Area

Surface area of the bottom of the Roof - this area may be conditioned on a defined Calculation Rule.

Condition: Subtracts the area of holes only if they exceed a given size, as defined in Options > Project Preferences > Calculation Units & Rules (“Reduce Roof surface by…”)

Reduced by trims and SEO’s.

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Conditional Top Surface Area

Surface area of the top of the Roof - this area may be conditioned on a defined Calculation Rule.

Condition: Subtracts the area of holes only if they exceed a given size, as defined in Options > Project Preferences > Calculation Units & Rules (“Reduce Roof surface by…”)

Reduced by trims and SEO’s..

//helpcenter.graphisoft.com/wp-content/uploads/ac22_help/060-elementparameters/Roof_ConditionalTopSurface.png 

Dome Con­nection length

Length of edges whose Type is set to “Roof Transition - Dome” in the Custom Edge Settings dialog box.

Typically, the edge of two adjacent Roof planes forming a convex angle.

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Eaves Length

Total length of all edges whose Type is set to “Eaves,” in the Custom Edge Settings dialog box.

 

 

End Wall Connection Length

Total length of all edges whose Type is set to “End Wall” in the Custom Edge Settings dialog box.

Typically, this is an edge which joins a Wall and slopes down along the Wall.

 

Gables Length

Total length of all edges whose Type is set to “Gable” in the Custom Edge Settings dialog box.

 

 

Gross Sur­face Area of the Bottom

Surface area of the bottom of the Roof, including the surface of any holes.

Reduced by trims. SEO’s are ignored

//helpcenter.graphisoft.com/wp-content/uploads/ac22_help/060-elementparameters/Roof_GrossBottomSurface.png 

Gross Sur­face Area of the Roof Edges

Surface area of the Roof edges, including the surface of any holes.

Reduced by trims. SEO’s are ignored

 

Gross Sur­face Area of the Top

Surface area of the top of the Roof, including the surface of any holes.

Reduced by trims. SEO’s are ignored

//helpcenter.graphisoft.com/wp-content/uploads/ac22_help/060-elementparameters/Roof_GrossTopSurface.png 

Hips Length

Length of edges whose Type is set to “Hip” in the Custom Edge Settings dialog box.

Typically, the edge of two adjacent planes that meet as a hip

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Holes Sur­face Area

Total surface area of all holes in the Roof.

 

//helpcenter.graphisoft.com/wp-content/uploads/ac22_help/060-elementparameters/Roof_HolesSurface.png 

Hollow Con­nection Length

Length of edges whose Type is set to “Roof Transition - Hollow” in the Custom Edge Settings dialog box.

Typically, the edge of two adjacent Roof planes forming a concave angle.

//helpcenter.graphisoft.com/wp-content/uploads/ac22_help/060-elementparameters/Roof_HollowConnectionLength.png 

Net Surface Area of the Bottom

Surface area of the bottom of the Roof

Reduced by holes, trims and Solid Element Operations.

//helpcenter.graphisoft.com/wp-content/uploads/ac22_help/060-elementparameters/Roof_BottomSurface.png 

Net Surface Area of the Edge

Total surface of all edges of the Roof

Reduced by holes, trims and Solid Element Operations.

//helpcenter.graphisoft.com/wp-content/uploads/ac22_help/060-elementparameters/Roof_EdgeSurface.png 

Net Surface Area of the Top

Surface area of the top of the Roof

Reduced by holes, trims and Solid Element Operations.

//helpcenter.graphisoft.com/wp-content/uploads/ac22_help/060-elementparameters/Roof_TopSurface.png 

Number of Holes

Number of holes in the Roof

Holes are either created in the Roof manually, or they are cut by Skylights placed in the Roof.

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Number of Skylights

Number of Skylights placed into the Roof.

 

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Openings Surface Area

Total surface area of all Skylights placed in the Roof.

 

//helpcenter.graphisoft.com/wp-content/uploads/ac22_help/060-elementparameters/Roof_OpeningsSurface.png 

Peaks Length

Length of edges whose Type is set to “Peak” in the Custom Edge Settings dialog box.

Typically, the edge at the top end of a single-plane Roof.

//helpcenter.graphisoft.com/wp-content/uploads/ac22_help/060-elementparameters/Roof_PeaksLength.png 

Pitch

Pitch of the Roof.

Pitch is set in the Geometry and Positioning Panel but can be customized for any Roof Plane.

//helpcenter.graphisoft.com/wp-content/uploads/ac22_help/060-elementparameters/Roof_Pitch.png 

Ridges Length

Length of edges whose Type is set to “Ridge” in the Custom Edge Settings dialog box.

Typically, the edge of two adjacent Roof planes that meet to form a ridge.

//helpcenter.graphisoft.com/wp-content/uploads/ac22_help/060-elementparameters/Roof_RidgesLength.png 

Roof Level

In case of a multi-level Roof, indicates the Roof Level to which the listed Roof plane belongs.

Roof Level numbers can be seen in the Geometry and Positioning panel of Roof Settings or the Info box.

 

Side Wall Connection Length

Total length of all edges whose Type is set to “Side Wall” in the Custom Edge Settings dialog box.

 Typically, a Roof edge which joins a Wall and runs along the Wall horizontally.

 

Roof Thick­ness

Roof thickness, measured perpendicularly from the reference surface.

Thickness value is set in the Geometry and Positioning panel of Roof Settings or the Info box. (Can be displayed either as a perpendicular or vertical measure).

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Trimming Body

Pivot Lines Down or Contours Down

Set in the Model Panel of Roof Settings.

Determines the geometry of the Trimming Body which acts upon other elements when they are trimmed by this Roof.

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Valleys Length

Length of edges whose Type is set to “Valley” in the Custom Edge Settings dialog box.

 

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Vertical Thickness

Roof thickness measured vertically from the reference surface.

Thickness value is set in the Geometry and Positioning panel of Roof Settings or the Info box (Can be displayed either as a horizontal or vertical measure).

//helpcenter.graphisoft.com/wp-content/uploads/ac22_help/060-elementparameters/Roof_VerticalThickness.png 

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