View Basics
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Rotate the view
You can rotate it by dragging it with the right mouse button. It mainly rotates horizontally with horizontal movement and vertically with vertical movement.
Zoom in and out of the view
You can zoom in and out by rolling the mouse wheel. Alternatively, you can do the same by holding down the right mouse button and dragging up and down while holding down the left mouse button (the left mouse button and then the right button do not work).
Moving the view horizontally
Hold down the middle mouse button while dragging to move the view horizontally. Depending on the mouse, pressing the middle button and "pressing" the wheel may be the same. Also, when the view has focus (when you are clicking the view with the mouse, etc.), you can move horizontally with the "↑↓←→" key on the keyboard.