Navigation in the 3D Viewer

The xeokit-based 3D viewer enables you to view and analyze BIM models.

Toolbar

The floating toolbar provides access to important viewer functions:

Panel Controls

• Explorer - Show/hide model structure
• Properties - Show/hide properties panel

Tools

• Selection - Standard selection mode
• Tool Menu - Opens tool dropdown:
  • Measure - Measure distances
  • Coordinates - Measure coordinates
  • Section Plane - Cut through model
• Eraser - Hide by click
• Show All - Show all elements
• Fit All - Fit camera to entire model

Move Toolbar

Grab the drag handle and move the toolbar via drag & drop.

View Modes

Orbit Mode (Default)

Rotate the model around a center point:

Action	Control
Rotate	Drag with left mouse button
Pan	Drag with right mouse button
Zoom	Mouse wheel
Select	Left-click on element
Focus	Double-click on element

Keyboard Shortcuts for Navigation

Key	Function
V	Fit everything in view
Z	Zoom to selected elements
R	Reset view (show all + fit)

Selection

Single Selection

Click on an element to select it. The element will be:

• Highlighted in color
• Marked in Explorer
• Displayed in Properties panel

Multi-Selection

• Ctrl + Click - Add/remove element from selection
• Ctrl + Drag - Rectangle selection (Marquee)
• Ctrl + A - Select all visible elements
• X - Clear selection

Visibility

Control which elements are displayed:

Function	Description
Hide (H)	Hide selected elements
Isolate (I)	Show only selected elements
Show All (A)	Show all elements
Reset (R)	Reset view

Tip

Combine selection and visibility to analyze specific areas.

Explorer Panel

The Explorer panel on the left shows the model structure:

Categories

• IfcWall - Walls
• IfcSlab - Floors/Ceilings
• IfcWindow - Windows
• IfcDoor - Doors
• IfcBeam - Beams
• IfcColumn - Columns
• ... and more IFC types

Operation

• Click triangle - Expand/collapse category
• Click name - Highlight element in viewer
• Eye icon - Toggle visibility
• Checkbox - Multi-selection

Properties Panel

The right panel shows details of the selected element:

• Name - Component designation
• Type - IFC classification
• GlobalId - Unique identifier
• Geometry - Area, volume (if available)
• Psets - Property sets with additional attributes

Tips

Lost in the Model?

Press R to show all elements and reset the view.

Quick Search

Press F to open search. Search for names, types, or GlobalIds.