Hydra Viewport

The Hydra Viewport shows a 3D render of the USD stage. USDView can be configured to load with different Hydra renderers. The viewport and renderer settings can be edited from the View Menu.

Ref #	Option	Description
1	Heads-Up Display	Click and drag the marker to scrub through the animation.
2	Selected Prim	By default, the currently selected prim will highlighted yellow and display a bounding box wireframe.

Right Click Menu

In the viewport, additional functionality can be found for the selected prim by right clicking and invoking the contextual right click menu.

Menu Item	Action
Jump to Enclosing Model	Select the first ancestor prim with a Kind metadata value set.
Select Bound Preview Material	Select the Preview Material prim bound to the selected prim.
Select Bound Full Material	Select the Full Material prim bound to the selected prim.
Make Invisible	Set the selected prim’s visibility property to “invisible”.
Vis Only	Set the selected prim’s visibility property to “visible”. Make all other prims “invisible”.
Remove Session Visibility	Restore the selected prim’s visibility property value.
Load/Unload	Load/Unload the payloads for the selected prim and all its descendants.
Activate/Deactivate	Activate/Deactivate the selected prim.
Copy Prim Path	Copy the selected prim’s path to the clipboard.
Copy Enclosing Model Path	Copy enclosing model’s prim path to the clipboard. A Model is a prim with a Kind metadata value set.
usdview asset	Open the selected asset in a new USDView instance.
Set As Active Camera	Set the selected prim as the active camera.

Navigation

Within the viewport, you can use the following methods to navigate the three-dimensional space:

Focus

The focus control zooms the viewport camera in on a specific prim. When you focus on an prim, you can orbit that prim.

To focus, click a prim and press the F key.

Orbit

The orbit control rotates the viewport camera around a given point.

To orbit, first use focus to select an prim. Then, hold the Alt key and the left mouse button, and move the mouse.

Pan

The pan control moves the viewport camera parallel to the viewpoint.

To pan, hold the Alt key and the middle mouse button, and move the mouse.

Dolly

The dolly control moves the camera forward and backward in the space. There are two ways to dolly:

1. Scroll on your mouse wheel.

2. Hold the Alt key and right mouse button, and move the mouse.