/[gzz]/manuscripts/AniFont/anifont.tex
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revision 1.15 by tjl, Wed Oct 22 09:38:05 2003 UTC revision 1.16 by tjl, Thu Oct 23 08:08:50 2003 UTC
# Line 99  sampling at too low a resolution for muc Line 99  sampling at too low a resolution for muc
99  \begin{figure*}  \begin{figure*}
100  \begin{tabular}{rcrcrc}  \begin{tabular}{rcrcrc}
101  c) &  c) &
102    \includegraphics[width=\snapsize]{snapsps/aniso-gf4go-nearest.ps}   &    \includegraphics[width=\snapsize]{snapsps/aniso-gffx-nearest.ps}   &
103  c) &  c) &
104    \includegraphics[width=\snapsize]{snapsps/aniso-gf4go-bilinear.ps}  &    \includegraphics[width=\snapsize]{snapsps/aniso-gffx-bilinear.ps}  &
105  c) &  c) &
106    \includegraphics[width=\snapsize]{snapsps/aniso-gf4go-trilinear.ps}   \\    \includegraphics[width=\snapsize]{snapsps/aniso-gffx-trilinear.ps}   \\
107  c) &  c) &
108    \includegraphics[width=\snapsize]{snapsps/aniso-gf4go-aniso-nearest.ps}  &    \includegraphics[width=\snapsize]{snapsps/aniso-gffx-aniso-nearest.ps}  &
109  c) &  c) &
110    \includegraphics[width=\snapsize]{snapsps/aniso-gf4go-trilinear-aniso.ps}  &    \includegraphics[width=\snapsize]{snapsps/aniso-gffx-trilinear-aniso.ps}  &
111  c) &  c) &
112    \includegraphics[width=\snapsize]{snapsps/aniso-gf4go-aniso.ps}    \includegraphics[width=\snapsize]{snapsps/aniso-gffx-aniso.ps}
113  \end{tabular}  \end{tabular}
114  \caption{  \caption{
115  \label{figbitrilinear}  \label{figbitrilinear}
# Line 150  footprint fitting more closely around th Line 150  footprint fitting more closely around th
150  - quality of trilinear filtering result depends strongly on subpixel position  - quality of trilinear filtering result depends strongly on subpixel position
151    
152  \begin{figure}  \begin{figure}
153  a)\\\includegraphics[width=\snapsize]{snapsps/aniso-gf4go-ortho-trilinear.ps}\\  \centering
154  b)\\\includegraphics[width=\snapsize]{snapsps/aniso-gf4go-ortho-stretchsquish.ps}\\  \begin{tabular}{c|c}
155    Trilinear  & Stretch-squish \\
156    \hline\\
157    \includegraphics[width=\snapsize]{snapsps/aniso-gffx-ortho-trilinear-0.ps}&
158    \includegraphics[width=\snapsize]{snapsps/aniso-gffx-ortho-stretchsquish-0.ps}\\
159    \includegraphics[width=\snapsize]{snapsps/aniso-gffx-ortho-trilinear-1.ps}&
160    \includegraphics[width=\snapsize]{snapsps/aniso-gffx-ortho-stretchsquish-1.ps}\\
161    \includegraphics[width=\snapsize]{snapsps/aniso-gffx-ortho-trilinear-2.ps}&
162    \includegraphics[width=\snapsize]{snapsps/aniso-gffx-ortho-stretchsquish-2.ps}\\
163    \end{tabular}
164  \caption{  \caption{
165  \label{figstretchsquishsamples}  \label{figstretchsquishsamples}
166  PFSS diagrams of an simple rendering situation,  PFSS diagrams of an simple rendering situation,
# Line 203  Magnified examples of text filtered usin Line 212  Magnified examples of text filtered usin
212      - combinations aniso + vss? A pretty nice one might be 2x2 using 2 texunits and 2-degree aniso... However, only      - combinations aniso + vss? A pretty nice one might be 2x2 using 2 texunits and 2-degree aniso... However, only
213        NV GF FX supports that, nothing else. Others can only bias the lod so have to use supersampling 1 or 2x2        NV GF FX supports that, nothing else. Others can only bias the lod so have to use supersampling 1 or 2x2
214    
215        - texture mipmap level "careful" making - as mentioned in Advanced OpenGL SIGGRAPH course notes:
216          aniso is orthogonal
217    
218    
219  - benefit / cost ratio analysis: how much slower than trilinear and  - benefit / cost ratio analysis: how much slower than trilinear and

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