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Using the 3D Cursor

The navigation crosshair that appears in the MPR views of a dataset in Track mode is known as the 3D Cursor. You use the 3D Cursor to synchronize the MPR views within a scene to the crosshair intersection. This can help you to quickly locate an object in 3D space. Additional controls allow you to create oblique and double-oblique views, as well as rotate a view around the current pivot point.

To facilitate navigation within MPR views, the color-coding applied to the crosshairs of the 3D cursor, shown below, represent the corresponding active planes. For example, if the XY projection is assigned the color red, then this plane will be represented by the red-colored crosshairs that appear in the XZ and YZ plane views. You can also disable color-coding in the Colors preferences (see Selecting the Colors Preferences).

3D Cursor

The 3D Cursor is created dynamically, based on the number of views in the scene. Creating multiple views in the same orientation provides an opportunity to examine multiple slices in the same plane simultaneously.

The following controls are available for the 3D Cursor:

3D Cursor controls
	Description
	Click and drag from the center of the 3D Cursor crosshair to update the corresponding MPR views in the current scene to the crosshairs intersection. Options… You can also track an object and keep it centered in other 2D scene views by holding down Left Ctrl. See Configured Actions for the Manipulate Tools for more information about the configured actions available for Track mode.
	Click and drag the selected crosshair up or down. This will update the view in the corresponding MPR view.
	Click and drag an Angle marker to create an oblique view in the corresponding MPR view (see Creating Oblique Views).