Child Elements

Child elements are openings within building elements.

Hierarchy

Building Elements (Wall, Floor, Ceiling)
└── Children
    ├── Door
    ├── Window
    ├── Hatch
    └── Opening

Parent Elements:

• Walls, Floors, Ceilings

Child Elements:

• Door, Window, Hatch, Opening
• Associated with one parent element
• Door, Window, and Hatch can have separate material assignment

Child element types

Door

Opening with door assembly.

Window

Opening with window assembly.

Hatch

Opening with hatch assembly.

Opening

Opening without specific assembly.

Adding child elements

Using 3D Viewer Tools:

1. Choose the Place Window, Place Door, or Place Hatch tool from the tool palette
2. Click on parent element in 3D view
3. Position child element
4. Set properties in panel
5. Assign material where applicable

Editing child elements

Access Properties:

1. Expand parent element in element list
2. Select child element
3. Properties panel displays on right

Editable Properties:

• Name: Text identifier
• Type: Door, Window, Hatch, or Opening
• Material: Assigned material for Door, Window, and Hatch
• Area and Transmission Area: Read-only net and gross area values
• Position: Location coordinates (if applicable)

Material assignment

Door, Window, and Hatch elements have separate materials from parent elements. Opening elements do not show a material selector.

Process:

1. Select child element
2. Properties panel displays on right
3. Click Material dropdown
4. Select appropriate material:
   • Door materials for doors
   • Window materials for windows
   • Hatch materials for hatches
5. Material applies immediately

Viewing child elements

In 3D Viewer:

• Child elements display on parent surface
• Click to Select
• Selected child highlights

In Properties Panel:

• Select child element to view properties
• Edit fields as needed

Troubleshooting

Can’t add child element

• Verify parent element is selected
• Parent element type supports children

Child element not visible in 3D view

• Check visibility settings
• Zoom in closer
• Verify child was saved

Material not assigning to child

• Material type matches element type (Door material for Door, etc.)
• Check Material dropdown is accessible
• Verify the child is not an Opening

Can’t find child element

• Verify child was saved