In the 2D view of Infurnia, you can navigate the design area using your trackpad with the following actions:
Zoom In/Out:
To zoom in, pinch on the trackpad with two fingers and drag them inwards.
To zoom out, pinch on the trackpad with two fingers and drag them outwards.
Pan the Scene:
Click on the touchpad with two fingers and move your one finger to pan the scene in any direction.