9
40 Chapter 2: Viewing and Navigating 3D Space
7.
In the Viewport Background dialog >
Background Source group, click Files to assign
the same bitmap.
8. In the Aspect Ratio group, turn on either Match
View por t or Match Rendering Output. Click
OK.
9. Render the viewport.
The background displayed in the rendered
scene should exactly match the background
displayed in the Live area of the safe frames.
Note: When you use the Match Bitmap option,
the bitmap reverts to its orig inal aspect ratio
and does not match the rendered scene, unless
you’re rendering to the same aspect ratio .
To r emove a back grou nd ima ge:
1.
Act ivate the v iewport in which the background
image is visible.
2. On the Views menu, choose Viewport
Background.
Noticethenameandpathofthebackground
file is displayed in the Current field in the
Background Source group
3. In the Background Source group, click Devices.
4. On the Select Image Input Device dialog,
chooseNoI/OHandlersfromthedrop-down
list, t hen click OK.
5. On the Bitmap Manager Error dialog, click OK.
The current field no longer displays the
background file name. Instead No I/O Handler
is listed in the Current field.
6. Click OK to close the Viewport Background
dialog.
Next time you open up the View por t
Backgrounddialog,nofilenamewillbe
displayed in the Current field.
Tip: This technique will work only on systems
thatdon’thaveanyotherImageInputDevices
installed.
Interfa ce
Background Source group
Options let you select the background image,
either f rom a bitmap image file (page 3–917),
a video file , or from a device such as a video
recorder .
Files—Displays the Select Background Image dialog
(page 1–42), which lets you select a file or sequence
of files for your background.
Devices—Displays the Select Image Input Device
dialog. This lets you use a background from a
digital device. (No device is supported by the
default 3ds Max installation.)
Use Env ironment B a ckgr ound—Lets you display
in the viewports the map you’ve ass igned as your
environment background. If no environment
map has b een assigned in the Environment
dialog, or Use Map in that dialog is off, then the
Use En vironment Background check box is not
available.