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32 gnuplot 4.3 15 LINETYPE, COLORS, AND STYLES terminal can be previewed by issuing the test command after setting the terminal type. The predefined colors and dot/dash patterns are not guaranteed to be consistent for all terminal types, but all terminals use the special linetype -1 to mean a solid line in the primary foreground color (normally black). By default, successive functions or datafiles plotted by a single command will be assigned successive linetypes. You can override this default by specifying a particular linetype for any function, datafile, or plot element. Examples: plot "foo", "bar" # plot two files using linetypes 1, 2 plot sin(x) linetype 4 # terminal-specific linetype color 4 plot sin(x) lt -1 # black For many terminal types it is also possible to assign user-defined colors using explicit rgb (red, green, blue) values, named colors, or color values that refer to the current PM3D palette. Examples: plot sin(x) lt rgb "violet" # one of gnuplot’s named colors plot sin(x) lt rgb "#FF00FF" # explicit RGB triple in hexadecimal plot sin(x) lt palette cb -45 # whatever color corresponds to -45 # in the current cbrange of the palette plot sin(x) lt palette frac 0.3 # fractional value along the palette See show palette colornames (p. 126), set palette (p. 122), cbrange (p. 149). For terminals that support dot/dash patterns, each default linetype has both a dot-dash pattern and a default color. However, you can override the default color by using the keyword linecolor, abbreviated lc. For example, the postscript terminal provides a dashed blue line as linetype 3. The plot commands below use this same dash pattern for three plots, one in blue (the default), another in red (the default for linetype 1), and a third in gold. Example: set term postscript dashed color plot ’foo’ lt 3, ’baz’ lt 3 linecolor 1, ’bar’ lt 3 lc rgb ’gold’ Lines can have additional properties such as linewidth. You can associate these various properties, as well as equivalent properties for point symbols, into user-defined "line styles" using the command set style line. Once you have defined a linestyle, you can use it in a plot command to control the appearance of one or more plot elements. Examples: # define a new line style with terminal-independent color cyan, # linewidth 3, and associated point type 6 (a circle with a dot in it). set style line 5 lt rgb "cyan" lw 3 pt 6 plot sin(x) with linespoints ls 5 # user-defined line style 5 See linestyle (p. 133), set style line (p. 133). 15.1 Colorspec Many commands allow you to specify a linetype with an explicit color. This option is only possible for terminals that support RGB color or pm3d palettes. Syntax: ... {linetype | lt} where has one of the following forms: rgbcolor "colorname" rgbcolor "#RRGGBB"
16 MOUSE INPUT gnuplot 4.3 33 rgbcolor variable # color is read from input file palette frac # runs from 0 to 1 palette cb # lies within cbrange palette z "colorname" refers to one of the color names built in to gnuplot. For a list of the available names, see show palette colornames (p. 126). "#RRGGBB" is a hexadecimal constant preceded by the "#" symbol. The RRGGBB represents the red, green, and blue components of the color, each on a scale from 0 - 255. For example, magenta = fullscale red + full-scale blue would be represented by #FF00FF, which is the hexadecimal representation of (255
Page 1 and 2: gnuplot An Interactive Plotting Pro
Page 3 and 4: CONTENTS gnuplot 4.3 3 6.5 New plot
Page 5 and 6: CONTENTS gnuplot 4.3 5 40 Rgbimage
Page 7 and 8: CONTENTS gnuplot 4.3 7 60.2.9.5 Y2t
Page 9 and 10: CONTENTS gnuplot 4.3 9 70.47 Parame
Page 11 and 12: CONTENTS gnuplot 4.3 11 70.115Zrang
Page 13 and 14: CONTENTS gnuplot 4.3 13 77.44 Mif .
Page 15 and 16: 2 INTRODUCTION gnuplot 4.3 15 Part
Page 17 and 18: 4 NEW FEATURES INTRODUCED IN VERSIO
Page 19 and 20: 5 BACKWARDS COMPATIBILITY gnuplot 4
Page 21 and 22: 6 FEATURES INTRODUCED IN VERSIONgnu
Page 23 and 24: 9 COMMENTS gnuplot 4.3 23 (The read
Page 25 and 26: 13 EXPRESSIONS gnuplot 4.3 25 12 En
Page 27 and 28: 13 EXPRESSIONS gnuplot 4.3 27 Math
Page 29 and 30: 13 EXPRESSIONS gnuplot 4.3 29 The f
Page 31: 15 LINETYPE, COLORS, AND STYLES gnu
Page 35 and 36: 17 PLOTTING gnuplot 4.3 35 16.1.1 B
Page 37 and 38: 20 SUBSTITUTION AND COMMAND LINE gn
Page 39 and 40: 22 TIME/DATE DATA gnuplot 4.3 39 At
Page 41 and 42: 24 BOXES gnuplot 4.3 41 The boxwidt
Page 43 and 44: 28 FILLEDCURVES gnuplot 4.3 43 . No
Page 45 and 46: 32 HISTOGRAMS gnuplot 4.3 45 The fs
Page 47 and 48: 33 IMAGE gnuplot 4.3 47 This will p
Page 49 and 50: 39 STEPS gnuplot 4.3 49 The labels
Page 51 and 52: 46 XYERRORLINES gnuplot 4.3 51 The
Page 53 and 54: 49 CD gnuplot 4.3 53 The splot comm
Page 55 and 56: 53 FIT gnuplot 4.3 55 If input stre
Page 57 and 58: 53 FIT gnuplot 4.3 57 z=a*sin(c*x)
Page 59 and 60: 53 FIT gnuplot 4.3 59 the statistic
Page 61 and 62: 55 HISTORY gnuplot 4.3 61 good star
Page 63 and 64: 59 PAUSE gnuplot 4.3 63 load ’wor
Page 65 and 66: 60 PLOT gnuplot 4.3 65 plot ’’
Page 67 and 68: 60 PLOT gnuplot 4.3 67 The keyword
Page 69 and 70: 60 PLOT gnuplot 4.3 69 60.2.2.6.4 F
Page 71 and 72: 60 PLOT gnuplot 4.3 71 # Gnu popula
Page 73 and 74: 60 PLOT gnuplot 4.3 73 The special
Page 75 and 76: 60 PLOT gnuplot 4.3 75 In this exam
Page 77 and 78: 60 PLOT gnuplot 4.3 77 60.4 Errorli
Page 79 and 80: 60 PLOT gnuplot 4.3 79 Example: fil
Page 81 and 82: 61 PRINT gnuplot 4.3 81 Examples: T
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67 REREAD gnuplot 4.3 83 Arguments
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70 SET-SHOW gnuplot 4.3 85 If a var
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70 SET-SHOW gnuplot 4.3 87 To draw
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70 SET-SHOW gnuplot 4.3 89 set bars
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70 SET-SHOW gnuplot 4.3 91 set boxw
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70 SET-SHOW gnuplot 4.3 93 If the c
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70 SET-SHOW gnuplot 4.3 95 70.14 Da
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70 SET-SHOW gnuplot 4.3 97 Examples
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70 SET-SHOW gnuplot 4.3 99 set dumm
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70 SET-SHOW gnuplot 4.3 101 termina
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70 SET-SHOW gnuplot 4.3 103 Suppose
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70 SET-SHOW gnuplot 4.3 105 Bit 2 f
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70 SET-SHOW gnuplot 4.3 107 Justifi
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70 SET-SHOW gnuplot 4.3 109 point s
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70 SET-SHOW gnuplot 4.3 111 70.30 L
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70 SET-SHOW gnuplot 4.3 113 The key
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70 SET-SHOW gnuplot 4.3 115 Any lab
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70 SET-SHOW gnuplot 4.3 117 70.44 O
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70 SET-SHOW gnuplot 4.3 119 Files:
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70 SET-SHOW gnuplot 4.3 121 splot x
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70 SET-SHOW gnuplot 4.3 123 ). http
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70 SET-SHOW gnuplot 4.3 125 70.50.3
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70 SET-SHOW gnuplot 4.3 127 70.52 P
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70 SET-SHOW gnuplot 4.3 129 70.57 S
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70 SET-SHOW gnuplot 4.3 131 they ma
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70 SET-SHOW gnuplot 4.3 133 plot f1
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70 SET-SHOW gnuplot 4.3 135 set tab
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70 SET-SHOW gnuplot 4.3 137 termina
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70 SET-SHOW gnuplot 4.3 139 show ve
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70 SET-SHOW gnuplot 4.3 141 70.86 X
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70 SET-SHOW gnuplot 4.3 143 Ranges
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70 SET-SHOW gnuplot 4.3 145 set xti
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70 SET-SHOW gnuplot 4.3 147 70.100
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71 SHELL gnuplot 4.3 149 70.116 Zti
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72 SPLOT gnuplot 4.3 151 Single bla
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72 SPLOT gnuplot 4.3 153 allows to
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77 TERMINAL gnuplot 4.3 155 Part IV
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77 TERMINAL gnuplot 4.3 157 Plot wi
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77 TERMINAL gnuplot 4.3 159 by six
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77 TERMINAL gnuplot 4.3 161 Example
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77 TERMINAL gnuplot 4.3 163 120x80
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77 TERMINAL gnuplot 4.3 165 {dashle
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77 TERMINAL gnuplot 4.3 167 Use Hel
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77 TERMINAL gnuplot 4.3 169 Availab
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77 TERMINAL gnuplot 4.3 171 which u
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77 TERMINAL gnuplot 4.3 173 where r
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77 TERMINAL gnuplot 4.3 175 file, o
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77 TERMINAL gnuplot 4.3 177 77.42 M
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77 TERMINAL gnuplot 4.3 179 set ter
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77 TERMINAL gnuplot 4.3 181 The adv
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77 TERMINAL gnuplot 4.3 183 77.51 P
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77 TERMINAL gnuplot 4.3 185 If you
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77 TERMINAL gnuplot 4.3 187 ’abc&
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77 TERMINAL gnuplot 4.3 189 If the
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77 TERMINAL gnuplot 4.3 191 PSTrick
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77 TERMINAL gnuplot 4.3 193 Syntax:
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77 TERMINAL gnuplot 4.3 195 77.68 U
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77 TERMINAL gnuplot 4.3 197 Print..
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77 TERMINAL gnuplot 4.3 199 Syntax:
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77 TERMINAL gnuplot 4.3 201 The opt
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77 TERMINAL gnuplot 4.3 203 77.76.4
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gnuplot 4.3 205 gnuplot*maxcolors:
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Index .gnuplot, 36 abs, 27 acos, 27
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INDEX gnuplot 4.3 209 isosamples, 3
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INDEX gnuplot 4.3 211 substitution,
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