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1422 Chapter 16: Material Editor, Materials, and Maps

The Overlap bias is probably too high. Decrease

it. If Underlap is turned on, this mi ght als o have

too high a bias.

Another possible reason is that you have a

self-intersecting object, or an object built

by attaching smaller objects, thus creating

intersecting faces . In this ca se, set up the objects

to use the Mat ID or SmGroup ink components.

If elements a lready have differing material IDs,

try turning off Only Adjacent Faces.

• Ink looks sloppy on sloping parts of the object.

TheOverlaporUnderlapbiasmightbetoolow.

Tr y inc reasing it.

• Ink looks sloppy between interpenetrating

objects.

Find out which ink component is the sloppy

one. Then adjust its bias control.

• Ink lines disappear or are too narrow when

Va r i a b l e Width i s on .

Tu rn on C lamp. You can also try to see if

reducing the lighting level helps. Or, you can

try tur ning off Variable Width, then assigning

Falloff map (page 2–1480)

to the Ink Width

component.

Tip: To isolate which ink component is causing a

problem, you can t ry assigning each component a

different, distinctive (and easy to read) color, then

rendering the image.

Wa rn in g : Ink ’n paint will only give correct results when

rendered from a cam era or perspective view. It does not

work in orthographic views.

DirectX 9 Shader Material

Material Editor > Type button > Material/Map Browser >

DirectX 9 Shader

Note: Typically, this material is visible in the Browser only

if DirectX 9 is available on your system, and you are using

the Direct3D display driver wi th DirectX 9.0 chosen as the

Direct3D version. I f this material is not visible, you can see

it(ingray)byturningonIncompatibleintheShowgroup.

The DirectX 9 Shader material enables you to

shade objects in viewports using DirectX 9 (DX9)

shaders. With DirectX shading, materials in

a viewport more accurately represent how the

material will appear in another applicat ion, or

on other hardware such as a game engine. You

can use this material only when you are using the

Direct3D Display driver (page 3–888)

and DirectX

9.0ischosenastheDirect3Dversion.

DX9 shaders are FX files. Several sample FX files

are provided in the

\3dsmax8\maps\fx

director y

(the name of the 3ds Max root d irectory might

differ on your system).