Carrying this example into the even more specific case of a printer with an 8-bit input leads to the following table, which defines the OD's to be generated for each of the 256 possible P-Values.
Table D.2-1. Optical Densities for Each P-Value for an 8-Bit Printer
|
P-Value |
Optical Density (OD) |
P-Value |
Optical Density (OD) |
P-Value |
Optical Density (OD) |
P-Value |
Optical Density (OD) |
|||
|---|---|---|---|---|---|---|---|---|---|---|
|
0 |
3.000 |
1 |
2.936 |
2 |
2.880 |
3 |
2.828 |
|||
|
4 |
2.782 |
5 |
2.739 |
6 |
2.700 |
7 |
2.662 |
|||
|
8 |
2.628 |
9 |
2.595 |
10 |
2.564 |
11 |
2.534 |
|||
|
12 |
2.506 |
13 |
2.479 |
14 |
2.454 |
15 |
2.429 |
|||
|
16 |
2.405 |
17 |
2.382 |
18 |
2.360 |
19 |
2.338 |
|||
|
20 |
2.317 |
21 |
2.297 |
22 |
2.277 |
23 |
2.258 |
|||
|
24 |
2.239 |
25 |
2.221 |
26 |
2.203 |
27 |
2.185 |
|||
|
28 |
2.168 |
29 |
2.152 |
30 |
2.135 |
31 |
2.119 |
|||
|
32 |
2.103 |
33 |
2.088 |
34 |
2.073 |
35 |
2.058 |
|||
|
36 |
2.043 |
37 |
2.028 |
38 |
2.014 |
39 |
2.000 |
|||
|
40 |
1.986 |
41 |
1.973 |
42 |
1.959 |
43 |
1.946 |
|||
|
44 |
1.933 |
45 |
1.920 |
46 |
1.907 |
47 |
1.894 |
|||
|
48 |
1.882 |
49 |
1.870 |
50 |
1.857 |
51 |
1.845 |
|||
|
52 |
1.833 |
53 |
1.821 |
54 |
1.810 |
55 |
1.798 |
|||
|
56 |
1.787 |
57 |
1.775 |
58 |
1.764 |
59 |
1.753 |
|||
|
60 |
1.742 |
61 |
1.731 |
62 |
1.720 |
63 |
1.709 |
|||
|
64 |
1.698 |
65 |
1.688 |
66 |
1.677 |
67 |
1.667 |
|||
|
68 |
1.656 |
69 |
1.646 |
70 |
1.636 |
71 |
1.626 |
|||
|
72 |
1.616 |
73 |
1.605 |
74 |
1.595 |
75 |
1.586 |
|||
|
76 |
1.576 |
77 |
1.566 |
78 |
1.556 |
79 |
1.547 |
|||
|
80 |
1.537 |
81 |
1.527 |
82 |
1.518 |
83 |
1.508 |
|||
|
84 |
1.499 |
85 |
1.490 |
86 |
1.480 |
87 |
1.471 |
|||
|
88 |
1.462 |
89 |
1.453 |
90 |
1.444 |
91 |
1.434 |
|||
|
92 |
1.425 |
93 |
1.416 |
94 |
1.407 |
95 |
1.398 |
|||
|
96 |
1.390 |
97 |
1.381 |
98 |
1.372 |
99 |
1.363 |
|||
|
100 |
1.354 |
101 |
1.346 |
102 |
1.337 |
103 |
1.328 |
|||
|
104 |
1.320 |
105 |
1.311 |
106 |
1.303 |
107 |
1.294 |
|||
|
108 |
1.286 |
109 |
1.277 |
110 |
1.269 |
111 |
1.260 |
|||
|
112 |
1.252 |
113 |
1.244 |
114 |
1.235 |
115 |
1.227 |
|||
|
116 |
1.219 |
117 |
1.211 |
118 |
1.202 |
119 |
1.194 |
|||
|
120 |
1.186 |
121 |
1.178 |
122 |
1.170 |
123 |
1.162 |
|||
|
124 |
1.154 |
125 |
1.146 |
126 |
1.138 |
127 |
1.130 |
|||
|
128 |
1.122 |
129 |
1.114 |
130 |
1.106 |
131 |
1.098 |
|||
|
132 |
1.090 |
133 |
1.082 |
134 |
1.074 |
135 |
1.066 |
|||
|
136 |
1.058 |
137 |
1.051 |
138 |
1.043 |
139 |
1.035 |
|||
|
140 |
1.027 |
141 |
1.020 |
142 |
1.012 |
143 |
1.004 |
|||
|
144 |
0.996 |
145 |
0.989 |
146 |
0.981 |
147 |
0.973 |
|||
|
148 |
0.966 |
149 |
0.958 |
150 |
0.951 |
151 |
0.943 |
|||
|
152 |
0.935 |
153 |
0.928 |
154 |
0.920 |
155 |
0.913 |
|||
|
156 |
0.905 |
157 |
0.898 |
158 |
0.890 |
159 |
0.883 |
|||
|
160 |
0.875 |
161 |
0.868 |
162 |
0.860 |
163 |
0.853 |
|||
|
164 |
0.845 |
165 |
0.838 |
166 |
0.831 |
167 |
0.823 |
|||
|
168 |
0.816 |
169 |
0.808 |
170 |
0.801 |
171 |
0.794 |
|||
|
172 |
0.786 |
173 |
0.779 |
174 |
0.772 |
175 |
0.764 |
|||
|
176 |
0.757 |
177 |
0.750 |
178 |
0.742 |
179 |
0.735 |
|||
|
180 |
0.728 |
181 |
0.721 |
182 |
0.713 |
183 |
0.706 |
|||
|
184 |
0.699 |
185 |
0.692 |
186 |
0.684 |
187 |
0.677 |
|||
|
188 |
0.670 |
189 |
0.663 |
190 |
0.656 |
191 |
0.648 |
|||
|
192 |
0.641 |
193 |
0.634 |
194 |
0.627 |
195 |
0.620 |
|||
|
196 |
0.613 |
197 |
0.606 |
198 |
0.598 |
199 |
0.591 |
|||
|
200 |
0.584 |
201 |
0.577 |
202 |
0.570 |
203 |
0.563 |
|||
|
204 |
0.556 |
205 |
0.549 |
206 |
0.542 |
207 |
0.534 |
|||
|
208 |
0.527 |
209 |
0.520 |
210 |
0.513 |
211 |
0.506 |
|||
|
212 |
0.499 |
213 |
0.492 |
214 |
0.485 |
215 |
0.478 |
|||
|
216 |
0.471 |
217 |
0.464 |
218 |
0.457 |
219 |
0.450 |
|||
|
220 |
0.443 |
221 |
0.436 |
222 |
0.429 |
223 |
0.422 |
|||
|
224 |
0.415 |
225 |
0.408 |
226 |
0.401 |
227 |
0.394 |
|||
|
228 |
0.387 |
229 |
0.380 |
230 |
0.373 |
231 |
0.366 |
|||
|
232 |
0.359 |
233 |
0.352 |
234 |
0.345 |
235 |
0.338 |
|||
|
236 |
0.331 |
237 |
0.324 |
238 |
0.317 |
239 |
0.311 |
|||
|
240 |
0.304 |
241 |
0.297 |
242 |
0.290 |
243 |
0.283 |
|||
|
244 |
0.276 |
245 |
0.269 |
246 |
0.262 |
247 |
0.255 |
|||
|
248 |
0.248 |
249 |
0.241 |
250 |
0.234 |
251 |
0.228 |
|||
|
252 |
0.221 |
253 |
0.214 |
254 |
0.207 |
255 |
0.200 |
Plotting these values gives the curve of Figure D.2-3.