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Overview

Eaves are Horizontal Shade Objects that are Connected to Walls so that their Shading Impacts (i.e. reduced Solar Gains) can be Simulated

Eavesare 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.

Eaves & Openings

Note all Openings (Windows & Doors) on a Wall will also have the Eaves of their Parent Walls applied to them during Simulation

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

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).

SCREENS IN THE VISUAL VIEW

Creating

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

Attaching / Connecting to Walls

Screens currently must be Manually Connected to Walls by the User for their Shading Impacts to be Simulated.

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

Connection Lines

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.

The Connection Line is only Visible within the Visual View when the Wall or Screen is Selected or 🖱 Hovered.

Selecting

Selecting Screens

You can Select a Screen within the Visual View & Screen Data-Grid by 🖱 Left-Click.

Selecting Connections

A Connection Line can be Selected within the Visual View once is Visible (see above) by 🖱 Left-Click

The Connected Wall Row of a Screen within the Screen Data-Grid is also analogous to selecting the Connection within the Visual View

Deleting

Deleting Screens

The Screen itself can be deleted by:

  • selecting the Screen within the Visual-View or Data-Grid and pressing ⌨ Delete; or

  • by using the 🖱 Right-Click Context-menu Delete action within the Visual View;

Deleting Connections (Disconnecting Screens & Walls)

A Screen can be Disconnected (i.e. it’s Connection is Deleted) from a Wall through several means including:

  • Selecting the Connection Line between the Screen & Wall (shown in the Visual View when a Wall or Screen is 🖱 Hovered or Selected & pressing the ⌨ Delete

  • Selecting the Connected Wall Row within the Screen Data-Grid & pressing ⌨ Delete

Moving

Screens can be moved in the Visual View by selecting them and then 🖱 Dragging them into their position, and likewise their Start & End Points can be moved in a similar fashion.

You can move a Screen or Screen Point in a straight ↔ or ↕ direction by holding ⌨ Shift.

Parallel View of the Screen

Screens are modelled within the Chenath Simulation as a Vertical Shade Object Parallel to the Connected Wall. The Projection of the Screen from the Wall is based on the Parallel Distance between the Centre of the Wall & the Centre of the Screen.

Therefore Screens that have an angle different to any Connected Walls may not be Simulated as they look Visually, but rather to their Parallel View. This Parallel View is shown as a thin line when a Connected Wall is selected in the Visual View (see image below).

SCREENS IN THE DATA-GRID

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 between the Wall (outside face) & the Screen in mm (see Parallel View section above).

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 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 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 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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