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Mouse Controls for Tools

Key Shortcut

Button 1

Button 2

Button 3

Navigation Tool

n

Clicking and dragging pans the view across the current slice. No effect when the zoom level is 1.

Clicking once in the top half of the window increases the slice by 1, clicking in the bottom decreases the slice. Dragging up increases the slice, dragging down decreases it.

Clicking once in the top half of the window zooms in, clicking in the bottom zooms out. Dragging up zooms in continuously, dragging down zooms out.

Select Voxel Tool

s

Clicking sets the cursor.

Clicking adds a voxel to the selection. Sets the cursor when the button is released. Shift+click performs a flood select.

Clicking removes a voxel from the selection. Sets the cursor when the button is released.Shift+click performs a flood deselect.

Edit Voxel Tool

a

Clicking sets the cursor.
Ctrl+Button 1 opens up the Brush Info and Volume Brush Info tool boxes.

Clicking edits a voxel with the Button 2 settings. Shift+click undoes a undoable voxel region. Sets the cursor when the button is released.

Clicking edits a voxel with the Button 3 settings.

Edit Segmentation Tool

g

Clicking sets the cursor. If the ROI Volume Count display option is on, displays the ROI volume in the Tools Window.
Ctrl+Button 1 opens up the Brush Info and the Segmentation Brush Info tool boxes.

Clicking paints a segmentation voxel. Shift+click performs a flood fill. Shift+ctrl+click sets the color to the color of the voxel clicked. Sets the cursor when the button is released.

Clicking erases a segmentation voxel (sets to label 0). Sets the cursor when the button is released. Shift+click performs a flood erase.

Edit Control Points Tool

t

Clicking sets the cursor.

Clicking makes a new control point. Sets the cursor when the button is released.

Clicking removes nearest control point. Sets the cursor when the button is released.

Line Tool

l

Clicking sets the cursor.

Clicking will draw a selection line from the last point at which you clicked with the middle button to the current click.

Clicking removes the selection line.

Mouse Controls for Toolbar Buttons

Icon

Button 1

Button 2

Button 3

Ctrl+click shows the surface display options.

Ctrl+click shows the Load Surface dialog for the relevant surface.

Ctrl+click shows the brightness/contrast options.

Clicking and holding will show a pop-up menu of volumes that can be loaded found in the subject's mri directory. Ctrl+click shows the Load Volume dialog for the Main or Aux Volume.

Ctrl+click to show segmentation display options.

Ctrl+click to show the Load Segmentation dialog box.

Ctrl+click to show the Configure Overlay dialog box.

Ctrl+click to show the Load Overlay dialog box.

Mouse Controls for Zooming/Changing Brightness & Contrast

Control+Button 1:

Zoom in, doubling the zoom level

Control+Button 2:

When zoomed in, sets the cursor and re-centers the view around the new cursor without changing the zoom level.

Control+Button 3:

Zoom out, halving the zoom level

Shift+Button1:

Drag mouse over screen using the left button while holding shift changes the brightness and contrast.