Real and Photo Raytrace renderers provide default mapping, but this doesn’t
always give the results you want.
Adjust Material Bitmap Placement Dialog Box
View menu: Render
➤
Materials
Command line:
rmat
Adjusts how the material bitmap is placed on the objects.
In the upper-left corner of the dialog box is a diagram that changes as you
change the bitmap placement values. The diagram shows a projection rectangle
in red. The projection rectangle represents the extents of an object. The
diagram also shows the bitmap as another rectangle: its top and left edges are
drawn in white, and its right and bottom edges are drawn in magenta. When
you first see this dialog box, the two squares are the same size. As this implies,
the default mapping scale is 1:1.
NOTE
The bitmap adjustment—scaling and offset, and tiling switch—can differ
for each individual bitmap specified for a material. Also, the bitmap adjustments
that are specified for a material interact with the bitmap adjustment specified in
mapping.
Offset
Changes the origin of the bitmap relative to the origin of the UV projection
coordinates. Offset values can range from –1 to 1 in either dimension (U or
Adjust Material Bitmap Placement Dialog Box | 995
Summary of Contents for AUTOCAD 2006
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