8

884 Chapter 8: Modifiers
Height—
Scalesthebitmapalongtheverticalaxis.
Tile Bitmap—When turned on, you can repeat the
bitmap in the editor, display ing tiling set in the
material. You can use any part of the tiled image
for setting texture coordinates. This is helpful
whenthesectionsofthetextureimagearepacked
tightly together and the mesh contains many
different areas to map.
Tiles—Thenumberoftimesthetextureimageis
repeated, counting outward in eight directions
(the four corners and the four sides).
With Tiles=1, the result is a 3 x 3 gr id. With
Tiles=2,theresultisa5x5grid,andsoon.
B rightness—Sets the bright ness of the tiled bitmap.
At 1.0, the bri ghtness equals that of t he orig inal
image; at 0.5 it’s half the brightness; and at 0, it’s
black.
Tip: Turning off Affect Cen ter Tile, available in the
Unwrap Options dialog (page 1–902) >Display
Preferences group, prevents the Brightness setting
fromaffectingthecentertile,soit’seasiertofindif
you’ve turned dow n the brightness.
Viewport Options group
Co nstant Update —When on, the viewpor ts
update in real-time, reflecting any changes to the
texture coordinates as you make them. When
off, the viewports update only after you finish
transforming texture coordinates (that is, when
you release the mouse button).
Highlight Selected Ver ts—Tu r ns on v ie w p or t
display of vertices, w hich then highlight to indicate
selected sub-objects in the window.
Note: For this feature take effect , the Modify panel
>UnwrapUVWmodifier>SelectFacesub-object
level must be active. Also, if Shade Selected
Faces (F2)orEdgedFaces(F4)ison,tokeepthe
viewport face or edge selection current with that
of the editor ,
Sync To Viewport must be turned on.
Unwrap Editor Options grou p
Show Hidden Edges—Toggles the display of face
edges. When turned off, only faces appear. When
turned on, all mesh geometry appears.
Center Pixel Snap—When Pixel Snap is turned on,
snaps to the center of pixels of the background
images instead of pixel edges.
Weld Thr esho ld —Sets the radius within which
welding using Weld Selected takes effect. The
setting is in UV-space distance. Default=0.01.
Range=0 to 10.
Edit UVWs Dialog M enu B ar
Select an object. > Modify panel > Modifier List >
Object-Space M o difiers > U n wrap UVW > Edit button (on
Parameters rol l out) > Menu bar
The Edit UVWs dialog (page 1–878) menu
bar provides access to a number of important
editing commands. Some of these commands
are replicated on the dialog toolbar and the
Unwrap UVW command panel; others, such as
the Mapping, Stitch, and Sketch tools, are available
only from the menus.
Tip: Several commands are not available in the
editor interface by default; you can use the
Customize User Interface dialog (page 3–836) to
add them.
Interf ace
File menu
Loa d UVs—Loads a previously saved UVW (texture
coordinates) file.
Save UVs—Saves the UVW coordinates to a UVW
file.
Reset All—Restores the UVW coordinates to their
original status.