Using on-screen modifiers

You can use the Command Controller's modifier buttons to affect various tools' behaviours in useful ways.

Some modifier key behaviours, such as Ignore Snapping, take effect when the key is held after you start using a tool.

Photo Persona

Action	Modifier	Description	When using…
Constrain		Constrains what is drawn either to an aspect ratio, e.g. to a square, or to straight lines.	Gradient Tool Pen Tool Node Tool Shape tools (Rectangle, Ellipse, Triangle, etc) Freehand Selection Tool Marquee selection tools (Rectangular, Elliptical, Row, Column)
Continue / Constrain		As per the Constrain behaviour but, when painting brush strokes, continues from the end of the previously drawn stroke.	Paint Brush Tool Pixel Brush Tool Paint Mixer Brush Tool Colour Replacement Brush Tool Erase Brush Tool Background Erase Tool Burn Brush Tool Dodge Brush Tool Sponge Brush Tool Smudge Brush Tool Blur Brush Tool Sharpen Brush Tool Median Brush Tool Clone Brush Tool Healing Brush Tool Undo Brush Tool
To Palette		Adds the sampled colour to the document palette.	Colour Picker Tool
Pick Colour		Picks a colour without the need to select the Colour Picker Tool.	Paint Brush Tool Pixel Brush Tool Paint Mixer Tool Colour Replacement Brush Tool Background Erase Tool
Ignore Snapping		Prevents snapping during drawing and transform operations.	Pen Tool Node Tool Shape tools (Rectangle, Ellipse, Triangle, etc) Smart Selection Brush Tool
Add		Adds pixels to the current selection. If nothing is currently selected, creates a pixel selection.	Freehand Selection Tool Marquee selection tools (Rectangular, Elliptical, Row, Column)
Subtract		Remove pixels from the current selection.	Freehand Selection Tool Marquee selection tools (Rectangular, Elliptical, Row, Column) Smart Selection Brush Tool
Move		Moves fill (Gradient Tool) or moves layer with the current pixel selection (selection tools).	Gradient Tool Freehand Selection Tool Marquee selection tools (Rectangular, Elliptical, Row, Column)
Complementary tool behaviour		Switches the current tool's behaviour to that of its complementary tool.	Burn Brush Tool (switches to Dodge) Dodge Brush Tool (switches to Burn) Blur Brush Tool (switches to Sharpen) Sharpen Brush Tool (switches to Blur)
Set Source		Select the source from which pixels are sampled when retouching your image.	Clone Brush Tool Healing Brush Tool

Liquify Persona

Action	Modifier	Description	When using…
Reverse Direction		Pushes pixels to the right.	Push Left Tool
Anticlockwise		Twirls pixels clockwise.	Twirl Tool
Slowly		Applies the tool's effect more slowly than normal.	Twirl Tool Pinch Tool Punch Tool Reconstruct Tool Freeze Tool Thaw Tool
Complementary tool behaviour		Switches the current tool's behaviour to that of its complementary tool.	Pinch Tool (switches to Punch) Punch Tool (switches to Pinch)

SEE ALSO:

Command Controller