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Screens are Vertical Shade Objects that are Connected to Walls they are in Parallel to so that their Shading Impacts (i.e. reduced Solar Gains) can be Simulated.

Screens should be used to model Fences, Balustrades, Adjacent Buildings as well as any Opposing Walls (see Opposing Wall Screens section below).

Screens are modelled as Line like objects within Hero, and must be Manually Connected by the User to each Wall that the User determines they may shade.

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Tip

Screens as Wing-Walls

Screens can also get Auto-Detected by Hero as Wing-Walls when they lie Perpendicular to a Wall.

For more details see: Wing Walls

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Note

Modelling Screens over Multiple Levels

Currently if a Screen’s Height is such that it stretches across multiple Levels, it must be modelled separately on each Level with the Total & Top Heights adjusted as required relative to each Level.

In future versions of Hero, we will move to make Screens Level-Independent and allow Levels whose heights are sufficient to project into other Levels shown so that you don’t need to duplicate Screens across multiple levels (see our Trello Features Roadmap for further details).

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Opposing Wall Screens

Screens should be modelled for opposing Walls within the same Model as currently Hero does not auto-detect this (coming soon).

E.g: In the example below each Wall of the Courtyard has a Screen created for each of the Opposing Walls and this Screen is connected to the Opposing Wall.

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SCREENS IN THE VISUAL VIEW

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Screens are created using the Screen Drawing mode (Screen & Eave Drawing Modes)

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Attaching / Connecting to Walls

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There are a variety of ways to Attach a Screen to a Wall which are detailed further in the Attach Drawing Mode section of Screen & Eave Drawing Modes

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Connection Lines

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When a Screen & Wall are Connected, a Connection Line is shown between them on the Visual View, and the Wall is added as a row within the Screen Data-Grid.

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Property

Description

Name

The Name of the Screen

Name Column

Connected Wall

The Name of each Wall connected to the Screen

Connected Wall Column

Projection

The Parallel Horizontal Distance parallel horizontal distance between the Wall (outside inside face) & the Parallel View line of the Screen in mm (see Parallel View section above).

Info

Note the Projection value used in a Chenath Simulation is the stated Projection minus the Wall’s thickness.

Projection Column

Screen Total Height

The Total Height of the Screen (in mm)
(i.e. Top Height - Base Height)

Screen Total Height Column

Screen Base Height

The Base/Bottom Height of the Screen relative to Level Height (in mm)

Screen Base Column (hidden by Default)

Screen Top Height

The Top Height of the Screen relative to Level Height (in mm)

Screen Top Column

Wall Top Height

The Top Height of the Connected Wall relative to Level Height (in mm)

Wall Top Column

Vertical Offset Height

The Distance distance between the Top Height of the Screen & Top Height of the Wall (in mm)

Negative if Top of Screen is below Top of Wall

Vertical Offset Column

Summer Opacity

The Shading Percentage shading percentage of the Screen (in %) during Summer Months

Spring/Autumn months have the average of Summer & Winter Opacity for Simulation

Summer Opacity Column

Winter Opacity

The Shading Percentage shading percentage of the Screen (in %) during Winter Months

Spring/Autumn months have the average of Summer & Winter Opacity for Simulation

Winter Opacity Column

Length

The Length from Start to End of the Screen (in mm)

Length Column (hidden by Default)

Left & Right Horizontal Offset

The Distances between the Left & Right Edges of the Connected Wall & the Closest of Edge of the Screen (in mm)

Horizontal Offset Column (hidden by Default)

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