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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 | #!F-adobe-helvetica-medium-r-normal--18*
#!N
#!N
#!Robjfuzz Object fuzz #!N #!N #!N #!F-adobe-times-medium-i-normal--18* Object fuzz #!EF is
a method of resolving conflicts between objects at the same distance
from the camera. For example, it may be desirable to define
a set of lines coincident with a plane. Normally it will
be unclear which object is to be displayed in front. In
addition, single-pixel lines are inherently inaccurate (i.e. they deviate from the
actual geometric line) by as much as one-half pixel; when displayed
against a sloping surface, this #!F-adobe-times-medium-i-normal--18* x #!EF or #!F-adobe-times-medium-i-normal--18* y
#!EF inaccuracy is equivalent to a #!F-adobe-times-medium-i-normal--18* z #!EF inaccuracy related
to the slope of the surface. The "fuzz" attribute specifies a
#!F-adobe-times-medium-i-normal--18* z #!EF value that will be added to the object
before it is compared with other objects in the scene, thus
resolving this problem. The fuzz value is specified in pixels. For
example, a fuzz value of one pixel can compensate for the
described half-pixel inaccuracy when the line is displayed against a surface
with a slope of two. #!N #!N #!T,1,161,321,646 #!F-adobe-times-bold-r-normal--18* #!N TAB
Attribute TAB Type TAB Description #!EF #!N TAB fuzz TAB scalar
TAB object fuzz #!N #!N To add fuzz to an object,
pass the object through the Options module, specifying the attribute as
#!F-adobe-times-bold-r-normal--18* fuzz #!EF and the value of the attribute as the
number of pixels (typically a small integer). #!N #!N #!N #!F-adobe-times-medium-i-normal--18*
Next Topic #!EF #!N #!N #!Lantiali,dxall823 h Anti-aliasing and Multiple Pixel Width Lines #!EL #!N #!F-adobe-times-medium-i-normal--18* #!N
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