8
Edit Curve on Surface Dialog 1231
Yo u c a n e d i t m u l t i p l e
CV on surface (p age 1–1174)
or
Point on surface (page 1–1176)
curves, but you
can’teditbothtypesofcurvesatthesametime.
The point whose surface you first click is shown as
a blue square in the dialog as well as in viewports.
As you draw the curve, it appears interactively in
viewportsandablueasterisk(*)showsthecurrent
mouse location on the surface.
While you are creat ing a curve, you can press
BACKSPACE to remove the last point or CV
you created, and then previous points or CVs in
reverse order .
Inter face
Toolbar
Thetoolbarabovethesurfaceimageprovides
selection, transform and viewing controls. These
controls work the way their analogs do in the main
3ds Max viewports. The toolbar is disabled while
you create a new curve on surface.
Select—Selects one or more points. Drag a window
to select multiple points.
Move—Moves the selected points.
Move is a flyout. The alternative buttons constrain
texturepointstomoveeitherverticallyor
horizontally.
Rotate—Rotates the selected points.
Scale—Scales the selected points. This is a flyout
that lets you choose between uniform scale,
nonu niform scale in t he sur face’s U dimension, or
non uniform scale in the surface’s V dimension.
Pan —Pans the surface view .
Zoom—Zooms in or out on the surface view.
Zoom Wi ndow—Zooms to a window you drag on
the surface view.
Zoom Exten t s—Zooms to the extents of the surface.
Lock Selection—Locks the ac tive selection set. You
canturnthisontokeepfromaccidentallyselecting
other points or CVs while you’re transforming a
selection set.
Prev iew—When on (the default), edits you make
in the dialog are also shown in viewports.
Curve on S urface Im age
Below the toolbar is a 2D image of the curve.
This image shows the points or CVs of the curve,
allowing you to edit it as you edit sub-objects in
view por ts.
If you right-click w hile in the image, a pop-up
menu lets you switch between Select, Move,
Rotate, and Scale. This is an alternative to using
the toolbar.
If your mouse has a middle button, you c an use it
topaninthiswindow.
Buttons and Weight
These controls are comparable to editing controls
on the rollouts for point sub-objects. (The Open