视图导航操作Viewer Navigation

1. Panning（平移，适用于 Node Editor 和 viewer）：Panning (the Node Editor and viewers):

按住鼠标中键拖动即可平移节点树。也可以按住 Command-Shift 加左键（Windows 用 Ctrl-Shift 加左键）。Hold the middle mouse button and drag to pan the node tree. You can also press Command-Shift and left-click (Ctrl-Shift and left-click on Windows).

1. Zooming（缩放，适用于 Node Editor 和 viewer）：Zooming (Node Editor and viewers):

同时按住左键和中键左右拖动，或使用 Command 加滚轮（Windows 用 Ctrl 加滚轮）。Hold the left and middle mouse buttons and drag left/right or use Command- scroll wheel (Ctrl-scroll wheel on Windows).

1. Fit image to viewer（适配 viewer 窗口）：Fit image to viewer:

点击 viewer，然后按 Command-F（macOS）或 Ctrl-F（Windows）即可适配图像。Click a viewer and press Command-F (macOS) or Ctrl-F (Windows) to fit the image.

1. Zooming steps（分级缩放）：Zooming steps:

用 + 和 – 键以固定步进放大或缩小。Use the + and – keys to zoom in/out in discrete steps.

按 Command-1（macOS）或 Ctrl-1（Windows）缩放至 100%；按 Command-2（macOS）或 Ctrl-2（Windows）缩放至 200%。Press Command-1 (macOS) or Ctrl-1 (Windows) to zoom to 100%, and Command-2 (macOS) or Ctrl-2 (Windows) for 200% zoom.

这些导航快捷键同样适用于双 Viewer、Spline Editor 和 Keyframes Editor。These navigation commands also apply to both viewers, the Spline Editor, and the Keyframes Editor.