#!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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