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Mouse and Keyboard Use
This page summarizes use of the mouse and keyboard for controlling IDV displays using the default mouse and keyboard assignments. You can change the default behavior through the Navigation tab of the User Preferences accessed by the Edit->Preferences menu.
Mouse Conventions

"Click" the mouse means to press and release a mouse button once.

"Double-click" means to click a mouse button twice quickly.

"Drag" means to press and hold down a mouse button, move the mouse and then release the mouse button.

All references to mouse buttons are in respect to a 3-button right-handed mouse:

If you are using a left-handed mouse, MB1 is the right button and MB3 is the left-button.

If you are using a Mac with a single button mouse, MB3 is simulated using the Option+click combination. Not all functions listed below (e.g., panning) work with this combination on a one button mouse.

This table summarizes the operations you can perform with the mouse:
Mouse ButtonKey ModifierPurpose
MB1 none Moving selector points in view windows, selecting items in lists and widgets, clicking buttons, moving sliders.
   Shift Rubber band zoom in view window
MB3 none Rotate 3-D displays
   Ctrl Panning in view windows
   Shift Zoom in/out
Zoom, Pan, and Rotate
There are several methods to zoom, pan, and rotate in the IDV. You can use the mouse, the arrow keys, a rubber band box, or the Zoom/Pan Toolbar.
Rubber Band Box to zoom in
You can zoom into an area by outlining it with a "rubber band box." Hold down the Shift key, then drag the left mouse button (MB1) to outline a box. The outline appears while you are dragging the mouse, before the zoom. If the display was significantly rotated before using the rubber band box, the new display may have the data area off screen; zoom out to find it, or use Ctrl-r key combination to reset to the initial overhead viewpoint.
Mouse controls to Zoom, Pan, and Rotate
You can zoom, rotate, and pan using the right mouse button (MB3).
Keyboard controls to Zoom, Pan, and Rotate
You can zoom, rotate, and pan using the arrow keys on the keyboard. You must first click the mouse in the display window.

List selection
The IDV uses the standard methods for selecting multiple items in a list (e.g., times list). These are:
Toggling Visibility of Displays
There are several ways to toggle visibility of displays.
  1. When using the side legends, the Display Visibility checkbox to the left of the label can be used to toggle the visibility of that display. When using the bottom legend, click on the legend label to toggle visibility of that one display.

  2. The padlock icon on the right side of the legend bar is a toggle to lock visibility. Click on the padlock icon to toggle locking. When locked, the icon will look like this. . This lock overrides most other actions which might change visibility, including using the keyboard number keys. Use this to lock one or more displays' visibility on or off while you change visibility of other displays. You can still toggle visibility of a locked display with a click on the legend label.
  3. The function keys F1, F2, F3 can be used to cycle visibility as follows:
    • The F1 key cycles visibility through all non-locked displays, showing one at a time.
    • The F2 turns on all non-locked displays.
    • The F3 turns off all non-locked displays.
  4. Use the View->Visible checkbox menu item in each display control's menu.


Table of contents Frames User guide