Bentley LumenRT Help

LumenRT Controls

Following table shows the basic LumenRT controls:
Basic Controls Key Description
Main Menu Tab Displays the main LumenRT sidebar menu
Help F1 Displays the help screen
Toggle Full-Screen/Window Mode Alt + Enter Toggles full screen or window operating mode
Exit Esc Pauses operation of the LumenRT viewer window
Return to Start Home Returns the camera to the start position
Animation Mode F2 This is the default startup mode when an animation is present in the exported file
Walk-Thru Mode F3 Walk-Thru mode is the default mode for when an animation is not present
Fly-Thru Mode F4 Quickly fly-thru the scene using the middle-mouse button and pivot the camera side-to-side and up-down using the left mouse button
Zoom Extents F5 Zooms the LiveCubes display to fit the entire scene within the extents of the display
Display Quality F7/F8 Pressing F7 reduces display quality while pressing F8 increases display quality
Time of the Day

Earlier/Later

G/H Press G or H to move the sun to an earlier/later time respectively
Exposure B/N B/N Press B or N to turn the camera exposure down or up respectively
Animation Mode Controls (F2) Key Description
Pause Space Tapping the space bar pauses the animation
Previous/Next Keyframe Left/Right Arrow Keys Use the left/right arrow leys to jump to specific keyframes
Start/End Home/End Go to the animation start/end
Switch to Walk-Thru Mode Left mouse Click the left mouse button to switch into walk-thru mode
Walk-thru Mode Controls (F3) Key Description
Look Right/Left Mouse Left/Right Moving the mouse left/right with no buttons pressed orbits the camera
Walk Left Mouse Down Left mouse down hold - walks forward
Run forward/Backward Middle Mouse Button Shuttle the middle mouse button to run forward or backward
Pan Right/Left Left/Right Arrow or Right Mouse Down Use the right/left arrows or right mouse button down to move sideways
Elevator Up/Down Page Up/Page Down Press and hold the page up/page down keys to jump to another floor above or below - release the keys when you are above the desired floor
Fly-Thru Mode Controls (F4) Key Description
Look Right/Left Left Mouse Down Move Left/Right Pivots the camera around horizontally
Look Up/Down Left Mouse Down Move Up/Down Pivots the camera around vertically
Zoom in /out Middle Mouse Button Shuttle the middle mouse button to zoom in/out
Pan Right/Left Left/Right Arrow or Right Mouse Down Use the right/left arrows or right mouse button down to move sideways
Raise/Lower Camera Height Page Up/Page Down Press and hold the page up/ page down keys to raise and lower the height of the camera
Rotate Alt + Left Mouse or Middle Mouse Down Rotates the camera around the scene
Misc.Controls Key Description
Open scene Ctrl + O Lets you choose a scene to load
New scene Ctrl + N Lets you choose an empty scene to load
Save scene Ctrl + S Saves the current scene on disk
Screenshot F6 Takes a high quality screen capture of the current view and saves it on disk
Screenshot Options Ctrl + F6 Opens the screenshot options dialog
Undo Ctrl + Z Undo the last action
redo Ctrl + Y Redo the previously undone action

A complete list of the LumenRT navigation controls is available online by clicking the More Controls button on the help screen (F1). It corresponds to the listing included below.

Basic Controls

  • Main Menu (Tab) - Displays the main LumenRT sidebar menu
  • Help (F1) - Displays the Help screen
  • Toggle Full-Screen/Window Mode (Alt + Enter) - Toggles full screen or window operating system
  • Exit (Exc) - Pauses operation of te LumenRT viewer window
  • Return to Start ('Home) - Returns the camera to the start position
  • Animation Mode (F2) - This is the default startup mode when an animation is present in the exported file.
  • Walk-Thru Mode (F3) - Walk-Thru mode is the default mode when an animation is not present
  • Fly-Thru Mode (F4) - Quickly fly-thru the scene using the middle mouse button and pivot the camera side-to-side and up-down using the left mouse button.
  • Zoom Extents (F5) - Zooms the LiveCube display to fit the entire scene within the extents of the display
  • Display Quality (F7/F8) - Pressing F7 reduces display quality while pressing F8 increases display quality
  • Time of Day Earlier/Later (G/H) - Press G or H to move the sun to an earlier/ later time respectively
  • Exposure (B/N) - Press B or N to turn the camera exposure down or up respectively

Animation Mode Controls (F2)

  • Pause (space) - Tapping the space bar pauses the animation
  • Previous/Next Keyframe (left/Right Arrow Keys) - Use the left/right arrow keys to jump to specific keyframes
  • Start/End (Home/End) - Go to the animation start/end
  • switch to Walk-Thru mode (Left Mouse Button) - Click the left mouse button to switch into walk-thru mode

Walk-Thru Mode Controls (F3)

  • Look Right/Left (Mouse Right/ Left) - Moving the mouse right/left with no buttons pressed orbits the camera
  • Walk (Left Mouse Button Down) - Left mouse button down hold - walks forward
  • Run Forward/Backward (Middle Mouse Button Down) - Shuttle the middle mouse button to run forward or backward
  • Pan Right/Left (Right/Left Arrow or Right Mouse Button Down) - Use the right/left arrows or right mouse button down to move sideways.
  • Elevator Up/Down (Page Up/ Page Down) - Press and hold the page up/page down keys when you are above the desired floor

Fly-Thru Mode Controls (F4)

  • Look Right/Left (Left Mouse Down Move) - Pivots the camera around horizontally right/left
  • Look Up/Down (Left Mouse Button Down Move Up/Down) - Pivots the camera around vertically
  • Zoom In/Out (Middle Mouse Button) - Shuttle the middle mouse button to zoom in/out
  • Pan Right/ Left (Right/Left Arrow or Right Mouse Down) - Use the right/left arrows or right mouse button down to move sideways
  • Raise/Lower Camera Height (Page Up/Page Down) - Press and hold the page up/page down keys to raise and lower the height of the camera
  • Rotate (Alt + Left Mouse or Middle Mouse Button Down) - Rotates the camera around the scene

Misc. Controls

  • Open Scene (Ctrl + O) - Lets you choose a scene to load
  • New Scene (Ctrl + N) - Lets you choose an empty scene to load
  • Save Scene (Ctrl + S) - Saves the current scene on disk
  • Screenshot (F6) - Takes a high quality screenshot of the current view and saves it on disk
  • Screenshot options (Ctrl + F6) - Opens the screenshot options dialog
  • Undo (Ctrl + Z) - Undo the last action
  • Redo (Ctrl + Y) - Redo the previously undone action

Extended Navigation Controls

The extended controls allow refined movements and operation according to the three navigation modes:
  • Animation Mode
  • Walk-Thru Mode
  • Fly-Thru Mode
These extended controls are accessed by pressing F1 (More) from the Basic Navigation Controls dialog.

Extended Navigation Controls