8

678 Chapter 20: Managing Scenes and Projects
Image File format in input and output file browsers
in 3ds Max. For further information, see
HDRI
Files (page 3–663)
.
See also
Radiosity Workflows (page 3–56)
PNG Files
PNG (Portable Network Graphics) is a still-image
file format developed for use with the Internet and
World Wi d e Web.
Inter face
Clicking Render or Setup in the Render Output File
dialog (page 3–8)
displays the PNG Configuration
dialog.
Optimized palette (256)—Choose to render a
smaller, 8-bit color file.
RGB 24 bit (16.7 Million)—Choose to render a t rue
color (24-bit) file.
RGB 48 bit (281 Trillion)—Choose to render a 48-bit
color file.
Grayscale 8 bit (256)—Choose to render a g rayscale
image with 256 shades.
Grayscale 16 bit (65,536)—Choose to render a
grayscale image w ith 65,536 shades.
Alpha Channel—Turn on to save the a lpha channel
with the file.
Interlaced—Turnontomakethefileinterlacedfor
faster display in Web browsers.
PSD Files
PSDisthefile-nameextensionforgraphicsfiles
native to Adobe Photoshop. This image format
supports multiple layers of images superimposed
to get the final image. Each layer can have any
numberofchannels(R,G,B,Mask,andsoon).It
is a powerful file format because multiple layers
can contribute to a variet y of special effects.
Adobeprovidesmanydifferentmodesof
superimposing layers, including normal, darken,
lighten, difference, multiply, screen, dissolve, hard
light, hue, saturation, color, luminosity, overlay,
and soft light.
YoucanusePSDfilesasbitmaps,viewport
backgrounds, and s o on. You can’t render to a PSD
file.
3ds Max supports Photoshop 6.0 format, and
allowsyoutouseimagelayersasbitmaps,aswell
as the entire composited graphic.
Interfa ce
When you open a PSD file as a bitmap, a dialog
appearsthatletsyouchoosehowtousetheimage.