First steps in the PreVu3D application
Application generalities
Once you launched the application, you may select the length unit that will be used in the application. You can also choose the quality settings. If your computer only meets the minimal requirements, you should probably choose Low for the application to run smoothly.
These settings can later be changed in the application settings menu.
Tutorial
When you launch the application for the first time, a tutorial will quickly show you how to use the interface. You can get more information by clicking on the top left button which will automatically redirect you to this documentation.
This tutorial is dismissed after clicking once anywhere in the application.
You can see this tutorial again at any time by clicking the Help menu and selecting Quick tutorial.
Navigation basics
The navigation menu
You will notice the navigation menu at the top left of the screen, this menu allows you to explore your space with multiple navigation modes such as free-view mode or third-person mode.
To navigate in your space, simply use mouse click to teleport or drag-and-drop the icon representing the navigation mode to the location you want to land to in the environment :
You may also
mouse clickon the navigation mode icon you want to land to the point below you.
Controls modes
The two main controls modes of the application are the Navigation controls mode and the Edition controls mode. To switch from Navigation controls mode to the Edition controls mode and vice-versa, simply press mouse right-click (except in top view).
At all time, you may know the current controls mode at the top of the screen.
The edition controls mode
This mode allows you to use the tools and all the features of the application.
In Edition controls mode, you may navigate in the environment using the navigation circle that appears under your mouse. To teleport somewhere, simply mouse click on the spot of the environment you want to teleport to. You may also rotate the view by holding and dragging the mouse cursor.
Using the Edition mode, navigation is mainly performed through the use of the mouse.
| Action (edition controls only) | Concerned navigation modes | KEY |
|---|---|---|
| Teleport (except when using a tool or selecting something) | All |  (mouse left-click) |
| Rotate the view | All except third-person, buggy, forklift | Hold and move mouse (mouse left-click) |
| Move | Freeview |  Hold mouse middle click and move mouse |
| Zoom in/out | Freeview & Top view | mouse scroll |
| Drag environment | Top down | (mouse left-click) |
| Switch to navigation mode | All except top-down mode |  (mouse right-click) |
The navigation controls mode
In navigation controls mode, the interface and mouse cursor are hidden, allowing you to have a much more immersive experience in the environment. In this mode, you may navigate using the keyboard and mouse as the navigation controls are enhanced and the tools are disabled.
Using the Navigation mode, you may use the following controls :
| Action (navigation controls only) | Concerned navigation modes | KEY |
|---|---|---|
| Switch to editor mode | All except top-down mode | (mouse right-click) |
| Move | All |  or  |
| Change look direction | All except top-down mode | Move mouse |
| Move faster | All modes |  |
| Crouch | Third person |  |
| Jump | Third person, first person |  |
| Move up | Free view |  |
| Move down | Free view |  |