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1%!PS-Adobe-2.0 EPSF-2.0
2%%Title: gauge.eps
3%%Creator: XV Version 2.20 Rev: 4/24/92 - by John Bradley
4%%BoundingBox: 254 375 282 403
5%%Pages: 1
6%%DocumentFonts:
7%%EndComments
8%%EndProlog
9
10%%Page: 1 1
11
12% remember original state
13/origstate save def
14
15% build a temporary dictionary
1620 dict begin
17
18% lower left corner
19254 375 translate
20
21% size of image (on paper, in 1/72inch coords)
2228 28 scale
23
24% define 'colorimage' if it isn't defined
25% ('colortogray' and 'mergeprocs' come from xwd2ps
26% via xgrab)
27/colorimage where % do we know about 'colorimage'?
28 { pop } % yes: pop off the 'dict' returned
29 { % no: define one
30 /colortogray { % define an RGB->I function
31 /rgbdata exch store % call input 'rgbdata'
32 rgbdata length 3 idiv
33 /npixls exch store
34 /rgbindx 0 store
35 /grays npixls string store % str to hold the result
36 0 1 npixls 1 sub {
37 grays exch
38 rgbdata rgbindx get 20 mul % Red
39 rgbdata rgbindx 1 add get 32 mul % Green
40 rgbdata rgbindx 2 add get 12 mul % Blue
41 add add 64 idiv % I = .5G + .31R + .18B
42 put
43 /rgbindx rgbindx 3 add store
44 } for
45 grays
46 } bind def
47
48 % Utility procedure for colorimage operator.
49 % This procedure takes two procedures off the
50 % stack and merges them into a single procedure.
51
52 /mergeprocs { % def
53 dup length
54 3 -1 roll
55 dup
56 length
57 dup
58 5 1 roll
59 3 -1 roll
60 add
61 array cvx
62 dup
63 3 -1 roll
64 0 exch
65 putinterval
66 dup
67 4 2 roll
68 putinterval
69 } bind def
70
71 /colorimage { % def
72 pop pop % remove 'false 3' operands
73 {colortogray} mergeprocs
74 image
75 } bind def
76 } ifelse % end of 'false' case
77
78
79
80% define the colormap
81/cmap 15 string def
82
83
84% load up the colormap
85currentfile cmap readhexstring
86000000 bf0000 c0c0c0 808080 ffffff
87pop pop % lose return values from readhexstring
88
89
90% rlecmapimage expects to have 'w h bits matrix' on stack
91/rlecmapimage {
92 /buffer 1 string def
93 /rgbval 3 string def
94 /block 384 string def
95
96 % proc to read a block from file, and return RGB data
97 { currentfile buffer readhexstring pop
98 /bcount exch 0 get store
99 bcount 128 ge
100 { % it's a non-run block
101 0 1 bcount 128 sub
102 { currentfile buffer readhexstring pop pop
103
104 % look up value in color map
105 /rgbval cmap buffer 0 get 3 mul 3 getinterval store
106
107 % and put it in position i*3 in block
108 block exch 3 mul rgbval putinterval
109 } for
110 block 0 bcount 127 sub 3 mul getinterval
111 }
112
113 { % else it's a run block
114 currentfile buffer readhexstring pop pop
115
116 % look up value in colormap
117 /rgbval cmap buffer 0 get 3 mul 3 getinterval store
118
119 0 1 bcount { block exch 3 mul rgbval putinterval } for
120
121 block 0 bcount 1 add 3 mul getinterval
122 } ifelse
123 } % end of proc
124 false 3 colorimage
125} bind def
126
127
12828 28 8 % dimensions of data
129[28 0 0 -28 0 28] % mapping matrix
130rlecmapimage
131
13281030018000003
1338100041704810300
13482000402150201030000
13582000402150201030000
1368200040204020a00050201030000
1378200040204028100020702810002040201030000
1388200040204028100020702810002040201030000
1398200040204028100020702810002040201030000
1408200040204028100020702810002040201030000
1418200040204028100020702810002040201030000
1428200040204028100020702810002040201030000
1438200040204028100010701810002040201030000
1448200040204028100010701810002040201030000
1458200040204028100010701810002040201030000
1468200040204028100010701810002040201030000
1478200040204028100010701810002040201030000
1488200040204028100010701810002040201030000
1498200040204028100010701810002040201030000
1508200040204028100010701810002040201030000
1518200040204028100010701810002040201030000
1528200040204028100010701810002040201030000
1538200040204028100010701810002040201030000
1548200040204020a00050201030000
15582000402150201030000
15682000402150201030000
1578200040317030000
15881000318030000
15981030018000003
160
161%
162% Compression made this file 18.92% of the uncompressed size.
163%
164
165
166showpage
167
168% stop using temporary dictionary
169end
170
171% restore original state
172origstate restore
173
174%%Trailer