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|00000d70| 69 6e 67 20 7b 5c 65 6d | 0a 47 4e 55 50 6c 6f 74 |ing {\em|.GNUPlot|
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|00000d90| 20 52 61 6e 67 65 20 4d | 61 70 20 69 6e 20 45 78 | Range M|ap in Ex|
|00000da0| 74 65 6e 64 65 64 20 54 | 65 78 74 20 66 6f 72 6d |tended T|ext form|
|00000db0| 61 74 2c 20 61 6e 64 20 | 72 75 6e 20 69 74 0a 74 |at, and |run it.t|
|00000dc0| 68 72 6f 75 67 68 20 74 | 68 69 73 20 66 69 6c 74 |hrough t|his filt|
|00000dd0| 65 72 20 74 6f 20 72 65 | 6d 6f 76 65 20 74 68 65 |er to re|move the|
|00000de0| 20 62 61 63 6b 67 72 6f | 75 6e 64 20 70 69 78 65 | backgro|und pixe|
|00000df0| 6c 73 20 61 6e 64 20 6e | 65 67 61 74 65 20 74 68 |ls and n|egate th|
|00000e00| 65 20 64 65 70 74 68 0a | 76 61 6c 75 65 73 3a 0a |e depth.|values:.|
|00000e10| 0a 5c 62 65 67 69 6e 7b | 76 65 72 62 61 74 69 6d |.\begin{|verbatim|
|00000e20| 7d 0a 20 20 20 73 65 64 | 20 27 2f 2d 31 30 30 30 |}. sed| '/-1000|
|00000e30| 2f 64 27 20 7c 20 75 6e | 69 71 20 7c 20 61 77 6b |/d' | un|iq | awk|
|00000e40| 20 27 2f 23 2f 20 7b 70 | 72 69 6e 74 3b 20 6e 65 | '/#/ {p|rint; ne|
|00000e50| 78 74 7d 20 5c 0a 20 20 | 20 20 20 20 4e 46 20 3d |xt} \. | NF =|
|00000e60| 3d 20 33 20 7b 70 72 69 | 6e 74 20 24 31 2c 20 24 |= 3 {pri|nt $1, $|
|00000e70| 32 2c 20 2d 24 33 3b 20 | 6e 65 78 74 7d 20 7b 70 |2, -$3; |next} {p|
|00000e80| 72 69 6e 74 7d 27 0a 5c | 65 6e 64 7b 76 65 72 62 |rint}'.\|end{verb|
|00000e90| 61 74 69 6d 7d 0a 0a 53 | 74 6f 72 65 20 74 68 65 |atim}..S|tore the|
|00000ea0| 20 6f 75 74 70 75 74 20 | 66 72 6f 6d 20 74 68 69 | output |from thi|
|00000eb0| 73 20 66 69 6c 74 65 72 | 20 69 6e 20 73 6f 6d 65 |s filter| in some|
|00000ec0| 20 66 69 6c 65 20 28 65 | 2e 67 2e 2c 20 7b 5c 74 | file (e|.g., {\t|
|00000ed0| 74 20 72 61 6e 67 65 2e | 70 6c 6f 74 7d 29 2e 0a |t range.|plot})..|
|00000ee0| 4e 6f 77 20 73 74 61 72 | 74 20 47 4e 55 50 6c 6f |Now star|t GNUPlo|
|00000ef0| 74 20 61 6e 64 20 67 69 | 76 65 20 69 74 20 74 68 |t and gi|ve it th|
|00000f00| 65 20 66 6f 6c 6c 6f 77 | 69 6e 67 20 63 6f 6d 6d |e follow|ing comm|
|00000f10| 61 6e 64 73 3a 0a 0a 5c | 62 65 67 69 6e 7b 76 65 |ands:..\|begin{ve|
|00000f20| 72 62 61 74 69 6d 7d 0a | 20 20 20 73 65 74 20 70 |rbatim}.| set p|
|00000f30| 61 72 61 6d 65 74 72 69 | 63 0a 20 20 20 73 70 6c |arametri|c. spl|
|00000f40| 6f 74 20 27 72 61 6e 67 | 65 2e 70 6c 6f 74 27 0a |ot 'rang|e.plot'.|
|00000f50| 5c 65 6e 64 7b 76 65 72 | 62 61 74 69 6d 7d 0a 0a |\end{ver|batim}..|
|00000f60| 5c 6e 6f 69 6e 64 65 6e | 74 20 59 6f 75 20 63 61 |\noinden|t You ca|
|00000f70| 6e 20 63 68 61 6e 67 65 | 20 74 68 65 20 76 69 65 |n change| the vie|
|00000f80| 77 70 6f 69 6e 74 20 65 | 61 73 69 6c 79 20 69 6e |wpoint e|asily in|
|00000f90| 20 7b 5c 65 6d 20 47 4e | 55 50 6c 6f 74 7d 3a 20 | {\em GN|UPlot}: |
|00000fa0| 20 65 6e 74 65 72 0a 7b | 5c 74 74 20 68 65 6c 70 | enter.{|\tt help|
|00000fb0| 20 73 65 74 20 76 69 65 | 77 7d 20 61 74 20 74 68 | set vie|w} at th|
|00000fc0| 65 20 63 6f 6d 6d 61 6e | 64 20 70 72 6f 6d 70 74 |e comman|d prompt|
|00000fd0| 20 66 6f 72 20 64 65 74 | 61 69 6c 73 2e 0a | for det|ails.. |
+--------+-------------------------+-------------------------+--------+--------+