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Strokes 903

Inter face

The Regions panel contains spinners for setting

the four corners of the region (in pixels), and the

following options.

Virtual Viewpor t

Use Virtual V i ewpor t—Enables the virtual

viewport. A reduced image of the viewport

appearsinthedialog,alongwithawhitezoom

rectangle representing the virtual viewport.

Zoom, X Offset, and Y Offset—Adjusts the size and

position of the virtua l window. You can a lso d rag

the white wi ndow anywhere within the image.

Enter ing Commands by

Usi ng M ouse S tr okes

Strok es

Customize menu > Preferences > Preference Settings

dialog > Viewports tab > Mouse Control group > Stroke

Strokes are a way to assign command shortcuts

to mouse or tablet drag patterns. For many

operations,strokesaremoreconvenientthan

keyboard shortcuts because they can select an

object and ap pl y a command to it.

For example, you can assign Arc Rotate to a

downward stroke. When you draw this stroke,

thesoftwarechangestoArcRotatemode.You

canassignacircularstroketotheHideSelected

command so that it b oth selects the objects and

then hides all the objec ts in the bounding extents

ofthestrokepattern.

Yo u c a n u s e s t r o k e s i n t w o w a y s :

• If y ou have a middle mouse button, you can

define and use strokes by specifying the Stroke

optionforthemiddlemousebuttoninthe

View por ts tab (page 3–874)

of the Customize

menu > Preferences dialog.

• Todefineandusestrokeswiththeleftmouse

button, use the

Strokes uti lity (page 3–909)

and

turn on Draw Strokes.

Using the Key boar d with Str ok es

Thesamestrokepatterncanperformfour

different functions by holding the SHIFT, ALT, or

SHIFT+ALT keys when drawing the stroke:

•Drawingaverticallineisonetypeofstroke.

• Holding SHIFT whi le drawing the same line is

another type.

• Holding A LT whi le drawing it is a third t yp e.

• Holding both SHIFT and ALT while drawing

the line is a fourth type.

HoldingCTRLwhiledrawingastrokeindicates

that you want to define a new stroke, rather

than use an existing stroke.

Note: Changes you make to the set of strokes are

saved with 3ds Max and pe rsist from session

to session.