Mari 4.5v2 docs:

Selection Functions

A list of functions for selecting items in Mari can be found in the table below, this includes the selection of objects, patches, and faces, as well as how to access selection modes.

Function	How to access it	What it does	Opens this dialog box	Notes
Object selection mode	• Project Controls toolbar \| • Menubar \| Selection > Object Mode • Right-click \| canvas > Object Mode	Sets Mari to select whole objects.
Patch selection mode	• Project Controls toolbar \| • Menubar \| Selection > Patch Mode • Right-click \| canvas > Patch Mode	Sets Mari to select patches on objects.
Faces selection mode	• Project Controls toolbar \| • Menubar \| Selection > Face Mode • Right-click \| canvas > Face Mode	Sets Mari to select areas on the objects.		Create a smart selection in Face mode by double-clicking on the face of the model. This creates a smart selection (to select faces connected in UV) based on the settings in the Type dropdown menu.
Hide unselected areas	• Menubar \| Selection > Hide Unselected • Right-click \| canvas > Visibility > Hide Unselected • Right-click \| Patches Palette > Hide Unselected • Keyboard \| Shift+H • Mouse \|	Hides the unselected areas on the canvas.		For the mouse gesture: press and hold \, click and drag in the direction indicated. (A thin red line traces gesture onscreen.)
Hide selected areas	• Menubar \| Selection > Hide Selected • Right-click \| canvas > Visibility > Hide Selected • Right-click \| Patches Palette > Hide Selected Patches • Keyboard \| H • Mouse \|	Hides the selected areas on the canvas.		For the mouse gesture: press and hold \, click and drag in the direction indicated. (A thin red line traces gestures onscreen.)
Show selected areas	• Menubar \| Selection > Show Selected • Right-click \| canvas > Visibility > Show Selected • Right-click \| Patches Palette > Show Selected Patches	Shows the selected areas on the canvas.
Show all areas	• Menubar \| Selection > Show All • Right-click \| canvas > Visibility > Show All • Right-click \| Patches Palette > Show All Patches • Keyboard \| Ctrl/Cmd+ Shift+H • Mouse \|	Displays all areas, selected or not, on the canvas.		For the mouse gesture: press and hold \, click and drag in the direction indicated. (A thin red line traces gestures onscreen.)
Show whole object	• Menubar \| Selection > Show Entire Object • Right-click \| canvas > Visibility > Show Entire Object	Shows all area, selected or not, on only the selected object.
Invert the visibility on all objects	• Menubar \| Selection > Invert Visibility • Right-click \| canvas > Visibility > Invert Visibility	Inverts the visibility on all objects in the scene based on the current selection mode: Object, Patch, or Faces selection mode.		The Invert Visibility option works per selection mode. For instance, if you have hidden some, or all the faces or patches in an object, then using the Invert Visibility option in a different selection mode on the object, has no effect on the hidden areas of the object. The invisible patches, faces, or objects remain hidden until you make them visible in the mode they were hidden.
Select all areas	• Menubar \| Selection > Select All • Right-click \| canvas > Selection > Select All • Right-click \| Patches Palette > Select All Patches • Button \| Patches Palette > • Keyboard \| Ctrl/Cmd+A	Selects all areas in the model, depending on your current selection mode (objects, patches, or faces).
De-select all areas	• Menubar \| Selection > Select None • Right-click \| canvas > Selection > Select None • Right-click \| Patches Palette > Select None • Keyboard \| Ctrl/Cmd+E	De-selects all areas on the model.
Invert selection of areas	• Menubar \| Selection > Select Invert • Right-click \| canvas > Selection > Select Invert • Right-click \| Patches Palette > Select Invert Patches • Keyboard \| Ctrl/Cmd+I	De-selects the current selection and selects everything currently unselected.		Depends on your current selection mode (either objects, patches, or faces) for the scope of inversion. For example, in face mode, the unselected faces become selected and the other way around.
Select visible areas	• Menubar \| Selection > Select Visible • Right-click \| canvas > Selection > Select Visible • Right-click \| Patches Palette > Select Visible Patches	Selects only areas that aren't hidden.
Fill patches with black	• Menubar \| Selection> Fill > Black • Right-click \| canvas > Fill > Black	Fills the patch with black paint.
Fill patches with gray	• Menubar \| Selection > Fill > Gray • Right-click \| canvas > Fill > Gray	Fills the patch with gray paint.
Fill patches with white	• Menubar \| Selection > Fill > White • Right-click \| canvas > Fill > White	Fills the patch with white paint.
Fill patches with foreground color	• Menubar \| Selection > Fill> Foreground • Right-click \| canvas > Fill > Foreground	Paints the selected patch(es) with the current foreground color.
Fill patches with background color	• Menubar \| Selection > Fill > Background • Right-click \| canvas > Fill > Background	Paints the selected patch(es) with the current background color.
Fill patches with transparency	• Menubar \| Selection > Fill > Transparent • Right-click \| canvas > Fill > Transparent	Makes the selected patch(es) transparent.
Fill patches with a UV mask	• Menubar \| Selection > Fill > UV Mask • Right-click \| canvas > Fill > UV Mask	Fills the selected patches with a black and white UV mask for the current layer’s current paint component, if paintable.
Fill patches with wireframe	• Menubar \| Selection > Fill > Wireframe • Right-click \| canvas > Fill > Wireframe	Fills the selected patches with a wireframe for the current layer’s current component, if paintable.
Fill selected Ptex faces with foreground color	• Menubar \| Selection > Fill Ptex Faces Foreground • Button \| Ptex Toolbar > • Right-click \| canvas > Fill > Fill Ptex Faces Foreground	Fill the selected Ptex faces with the foreground color.
Fill selected Ptex faces with background color	• Menubar \| Selection > Fill Ptex Faces Background • Button \| Ptex Toolbar > • Right-click \| canvas > Fill > Fill Ptex Faces Background	Fill the selected Ptex faces with the background color.
Lock unselected areas	• Menubar \| Selection > Lock Unselected • Right-click \| canvas > Locking > Lock Unselected • Right-click \| Patches Palette > Lock Unselected Patches	Locks unselected patches so they cannot be edited.
Lock selected areas	• Menubar \| Selection > Lock Selected • Right-click \| canvas > Locking > Lock Selected • Right-click \| Patches Palette > Lock Selected Patches • Button \| Patches Palette >	Locks selected areas, so they cannot be painted.
Unlock selected areas	• Menubar \| Selection > Unlock Selected • Right-click \| canvas > Locking > Unlock Selected • Right-click \| Patches Palette > Unlock Selected Patches • Button \| Patches Palette >	Unlocks selected locked areas, so they are again paintable.
Lock all areas	• Menubar \| Selection > Lock All • Right-click \| canvas > Locking > Lock All • Right-click \| Patches Palette > Lock All Patches	Locks all areas, so they cannot be painted.
Unlock all areas	• Menubar \| Selection > Unlock All • Right-click \| canvas > Locking > Unlock All • Right-click \| Patches Palette > Unlock All Patches	Unlocks all locked areas, so they are again paintable.
Unlock everything	• Menubar \| Selection > Unlock Entire Object • Right-click \| canvas > Locking > Unlock Entire Object	Unlocks everything on the current object, regardless of whether it’s a face, patch, or channel.
Create selection group for patches	• Right-click \| canvas > Create Patch Selection Set	Creates a new selection set consisting of whichever patches you currently have selected.		Creates a new selection set in the Patches Palette
Create selection group	• Right-click \| canvas > Create Selection Group • Button \| Selection Groups Palette >	Creates a new selection group to save your selection modes.		You can create selection groups in any selection mode (objects, patches, or faces).
Select selection group	• Right-click \| selection group in Selection Groups Palette > Select Selection Group • Button \| Selection Groups Palette >	Selects the whole selection group in the canvas and highlights the group in the palette.
Toggle selected selection groups	• When the Select tool is set to Smart Selection mode, and the Type is Selection Group, repeatedly click on a face in the canvas.	If a face belongs to more than one selection group, clicking repeatedly cycles through the other selection groups to which it belongs.
Lock the selection group	• Right-click \| selection group in Selection Groups Palette > Lock Selection Group • Button \| Selection Groups Palette >	Locks the selection group.
Unlock the selection group	• Right-click \| selection group in Selection Groups Palette > Unlock Selection Group • Button \| Selection Groups Palette >	Unlocks the selection group.
Hide the selection group	• Right-click \| selection group in Selection Groups Palette > Hide Selection Group • Button \| Selection Groups Palette >	Hides the contents of the selection group.
Assign a shortcut	Right-click \| selection group in Selection Groups Palette > Assign Shortcut	Opens the Assign Keyboard Shortcut dialog and allows you to set a shortcut for the selected object.
Show the selection group	• Right-click \| selection group in Selection Groups Palette > Show Selection Group • Button \| Selection Groups Palette >	Shows the contents of the selection group.
Remove the selection group	• Right-click \| selection group in Selection Groups Palette > Remove Selection Group • Button \| Selection Groups Palette >	Removes the contents of the selection group.
Add selection groups together	• Shift+click a selection group in Selection Groups Palette when another selection group is already selected.	Adds the two selection groups together on the canvas to show the visibility of both selections at once.		This does not create a new selection group automatically; it only adjusts the visible selections on the canvas.
Subtract selection groups from one another	• Ctrl+click a selection group in Selection Groups Palette when another selection group is already selected.	Subtracts one selection group from another on the canvas to show the visibility of a selection without the faces or patches of the other.		This does not create a new selection group automatically; it only adjusts the visible selections on the canvas.