Page 835 - Kitab3DsMax

Chapter 31: Painting in the Viewpoint Canvas and Rendering Surface Maps
Max can use the Render Surface Map feature to render several types of surface maps including:
l Cavity map: The Cavity map creates a grayscale map that highlights convex areas in white and
concave areas in black. The Contrast value defines the difference between black and white values.
l Density map: The Density map option creates a map that shows the areas where the vertices are
closest together as white and farther apart as black.
l Dust map: The Dust map option creates a grayscale map that identifies the areas that face upward
as white and the underneath areas as black, as if the dust were to settle from above and land on
all the white areas.
l SubSurface map: The SubSurface map is used to identify those areas of the mesh that are thickest
as black and the thinnest areas of the mesh as white. This map type is used to show how likely
light would pass through a given area. The Blur value is used to blur those areas between black
and white.
l Selection to Bitmap: This map is used to identify a specific subobject selection. Each selected
vertex is displayed as a white dot.
l Texture Wrap: The Texture Wrap feature lets you load in a texture that is wrapped about the
object in a way to eliminate all seams. This texture could be a simple skin or hide texture. The
Tile value is the number of times the texture is repeated end to end to cover the surface.
l Bitmap Select: This feature allows you to select specific subobject selections based on the color of
the applied bitmap. For example, if you load a bitmap with white lines running through it, all
polygon faces that touch those lines are selected.
To access the Render Surface Map panel, shown in Figure 31.14, select the Rendering ➪ Render Surface
Map. This feature works only on Editable Poly objects that have mapping coordinates. If any of these condi-
tions are missing, a warning dialog box appears when you click one of the mapping buttons.
FIGURE 31.14
The Render Surface Map panel can create several different types of maps.

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