Zooming in
You can zoom into the Node Editor in one of the following ways:
- Marquee select zoom: Ctrl + Alt + left mouse drag (from left to right) to create a marquee box to zoom into. As you drag a box shape, the zoom in
icon appears at the bottom right corner to denote that you are zooming in. 
- Selecting View > Zoom In
- Using the hotkey =
Zooming out
You can zoom out of the Node Editor in one of the following ways:
- Marquee select zoom: Ctrl + Alt + left mouse drag (from right to left) to create a marquee box to zoom out of.
As you drag a box shape, the zoom out
icon appears at the top left corner to denote that you are zooming out. - Selecting View > Zoom Out
- Using the hotkey -
Zooming around the mouse cursor
You can zoom around the mouse cursor by doing either of the following:
- Using your mouse wheel. The mouse location is used as the zoom point. When you move the mouse while moving the wheel, your zoom point changes.
- Alt + right-click. The zoom point is the position of the mouse when the right mouse button is pressed.