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revision 1.118 by tjl, Sun Dec 1 09:04:12 2002 UTC revision 1.119 by tjl, Sun Dec 1 09:09:05 2002 UTC
# Line 137  similar but distinct objects distinguish Line 137  similar but distinct objects distinguish
137    
138  The {\em texture} of a surface, taken literally, is its translation-invariant statistical microstructure.  The {\em texture} of a surface, taken literally, is its translation-invariant statistical microstructure.
139  In computer graphics,  In computer graphics,
140  the word {\em texturing} is used in a somewhat looser sense\cite{catmull74,heckbert86survey,haeberli93texture}:  the word {\em texturing} is used in
141    a somewhat looser sense\cite{catmull74,haeberli93texture,heckbert86survey}:
142  it refers to mapping 2D arrays of numerical values onto graphics primitives  it refers to mapping 2D arrays of numerical values onto graphics primitives
143  such as polygons or Bezi\'er patches, modifying their rendered appearance  such as polygons or Bezi\'er patches, modifying their rendered appearance
144  in some way (coloring\cite{catmull74}, bump mapping\cite{blinn78bump} etc.).  in some way (coloring\cite{catmull74}, bump mapping\cite{blinn78bump}, etc.).
145    
146  Due to the price of texturing-capable hardware, most uses  Due to the price of texturing-capable hardware, most uses
147  of texturing until the mid-1990s were in scientific  of texturing until the mid-1990s were in scientific
148  visualization and the computer graphics industry.  visualization and the computer graphics industry.
149  During the last decade, computer games helped to drive  During the last decade, however, computer games helped to drive
150  the price of suitable 3D accelerators down, making them  the price of suitable 3D hardware down, making them
151  standard in modern desktop computers.  However, texturing  standard in modern desktop computers.  However, texturing
152  has still found relatively little use outside the these  has still found relatively little use outside these
153  three fields.  three fields.
154    
155  The latest feature to move from software %to speciality hardware  The latest feature to move from software %to speciality hardware

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