or press Shift+Z, then:
Zooming, Panning, and Framing in the Dopesheet
You can use the Navigate, Zoom, Pan, and Frame tools (available from the Tools menu), or their corresponding shortcut keys to view a specific area of the dopesheet.
• To reset the view of the dopesheet so that the tracks are framed within the window, choose View > Frame to Timeline or press R.
• To deactivate any viewing mode, choose another Tools command or press Esc.
You can interactively increase or decrease the magnification of the dopesheet view using the zoom tool or the pan & zoom tools.
To zoom
• Choose Tools > Rectangular Zoom Tool or press Shift+Z, then:
- To rectangle-zoom in (increase magnification), click+drag in the dopesheet to select a rectangular region to enlarge.
- To rectangle-zoom out (decrease magnification), right-click and drag to draw a region. The region you draw defines the center of the region you want to see; you define a large region to zoom out less and a small region to zoom out more.
- To zoom interactively, hold down the middle-mouse button and drag.
You can pan to scroll the area shown in the dopesheet, even specifically in the horizontal and vertical directions. You can use a number of different tools to pan and zoom.
To pan or zoom
• Choose Tools > Pan & Zoom Tool 
or press Z, then:
- To interactively pan, click and drag in the dopesheet.
- To zoom in, hold down the middle mouse button.
- To zoom out, hold down the right mouse button.
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If you press Shift while this tool is active, you can switch to the rectangular zoom tool. |
To interactively pan or zoom
• Choose Tools > Navigate Tool 
or press S, then:
- To interactively pan, left-click and drag in the dopesheet.
- To interactively zoom horizontally, middle-click and drag to the left to zoom in, and drag to the right to zoom out.
- To interactively zoom vertically, right-click and drag up to zoom in, and down to zoom out.
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• If you press Ctrl while this tool is active, you can switch to the rectangular zoom tool. • If you’re using the Maya interaction model, press Alt+Shift and right-click to zoom only vertically. |
To pan or zoom vertically
• Choose Tools > Vertical Pan & Zoom Tool 
, then:
- To pan vertically, click and drag in the dopesheet.
- To zoom in vertically, hold down the middle mouse button.
- To zoom out vertically, hold down the right mouse button.
- To zoom interactively, press Shift and hold down any mouse button.
Moving up/right zooms out, and moving down/left zooms in.
To pan or zoom horizontally
• Choose Tools > Horizontal Pan & Zoom Tool 
or press X, then:
- To pan horizontally, click and drag in the dopesheet.
- To zoom in horizontally, hold down the middle mouse button.
- To zoom out horizontally, hold down the right mouse button.
- To zoom interactively, press Shift and hold down any mouse button.
Up/right movements zoom in, and down/left movements zoom out.
Framing sets the zoom and pan so that the tracks fit in the dopesheet within a specified range.
To frame selected regions and tracks
• Choose View > Frame Selection or press F. If only regions are selected, only they are framed in the dopesheet.
To frame all keys in the dopesheet
• Choose View > Frame All or press A.
To frame all tracks within the timeline
• Choose View > Frame to Timeline or press R. This is the same as resetting the view.
Autodesk Softimage v.7.5