--- /dev/null
+%
+% Gnuplot Prolog Version 4.2 (August 2006)
+%
+/M {moveto} bind def
+/L {lineto} bind def
+/R {rmoveto} bind def
+/V {rlineto} bind def
+/N {newpath moveto} bind def
+/Z {closepath} bind def
+/C {setrgbcolor} bind def
+/f {rlineto fill} bind def
+/vpt2 vpt 2 mul def
+/hpt2 hpt 2 mul def
+/Lshow {currentpoint stroke M 0 vshift R
+ Blacktext {gsave 0 setgray show grestore} {show} ifelse} def
+/Rshow {currentpoint stroke M dup stringwidth pop neg vshift R
+ Blacktext {gsave 0 setgray show grestore} {show} ifelse} def
+/Cshow {currentpoint stroke M dup stringwidth pop -2 div vshift R
+ Blacktext {gsave 0 setgray show grestore} {show} ifelse} def
+/UP {dup vpt_ mul /vpt exch def hpt_ mul /hpt exch def
+ /hpt2 hpt 2 mul def /vpt2 vpt 2 mul def} def
+/DL {Color {setrgbcolor Solid {pop []} if 0 setdash}
+ {pop pop pop 0 setgray Solid {pop []} if 0 setdash} ifelse} def
+/BL {stroke userlinewidth 2 mul setlinewidth
+ Rounded {1 setlinejoin 1 setlinecap} if} def
+/AL {stroke userlinewidth 2 div setlinewidth
+ Rounded {1 setlinejoin 1 setlinecap} if} def
+/UL {dup gnulinewidth mul /userlinewidth exch def
+ dup 1 lt {pop 1} if 10 mul /udl exch def} def
+/PL {stroke userlinewidth setlinewidth
+ Rounded {1 setlinejoin 1 setlinecap} if} def
+% Default Line colors
+/LCw {1 1 1} def
+/LCb {0 0 0} def
+/LCa {0 0 0} def
+/LC0 {1 0 0} def
+/LC1 {0 1 0} def
+/LC2 {0 0 1} def
+/LC3 {1 0 1} def
+/LC4 {0 1 1} def
+/LC5 {1 1 0} def
+/LC6 {0 0 0} def
+/LC7 {1 0.3 0} def
+/LC8 {0.5 0.5 0.5} def
+% Default Line Types
+/LTw {PL [] 1 setgray} def
+/LTb {BL [] LCb DL} def
+/LTa {AL [1 udl mul 2 udl mul] 0 setdash LCa setrgbcolor} def
+/LT0 {PL [] LC0 DL} def
+/LT1 {PL [4 dl1 2 dl2] LC1 DL} def
+/LT2 {PL [2 dl1 3 dl2] LC2 DL} def
+/LT3 {PL [1 dl1 1.5 dl2] LC3 DL} def
+/LT4 {PL [6 dl1 2 dl2 1 dl1 2 dl2] LC4 DL} def
+/LT5 {PL [3 dl1 3 dl2 1 dl1 3 dl2] LC5 DL} def
+/LT6 {PL [2 dl1 2 dl2 2 dl1 6 dl2] LC6 DL} def
+/LT7 {PL [1 dl1 2 dl2 6 dl1 2 dl2 1 dl1 2 dl2] LC7 DL} def
+/LT8 {PL [2 dl1 2 dl2 2 dl1 2 dl2 2 dl1 2 dl2 2 dl1 4 dl2] LC8 DL} def
+/Pnt {stroke [] 0 setdash gsave 1 setlinecap M 0 0 V stroke grestore} def
+/Dia {stroke [] 0 setdash 2 copy vpt add M
+ hpt neg vpt neg V hpt vpt neg V
+ hpt vpt V hpt neg vpt V closepath stroke
+ Pnt} def
+/Pls {stroke [] 0 setdash vpt sub M 0 vpt2 V
+ currentpoint stroke M
+ hpt neg vpt neg R hpt2 0 V stroke
+ } def
+/Box {stroke [] 0 setdash 2 copy exch hpt sub exch vpt add M
+ 0 vpt2 neg V hpt2 0 V 0 vpt2 V
+ hpt2 neg 0 V closepath stroke
+ Pnt} def
+/Crs {stroke [] 0 setdash exch hpt sub exch vpt add M
+ hpt2 vpt2 neg V currentpoint stroke M
+ hpt2 neg 0 R hpt2 vpt2 V stroke} def
+/TriU {stroke [] 0 setdash 2 copy vpt 1.12 mul add M
+ hpt neg vpt -1.62 mul V
+ hpt 2 mul 0 V
+ hpt neg vpt 1.62 mul V closepath stroke
+ Pnt} def
+/Star {2 copy Pls Crs} def
+/BoxF {stroke [] 0 setdash exch hpt sub exch vpt add M
+ 0 vpt2 neg V hpt2 0 V 0 vpt2 V
+ hpt2 neg 0 V closepath fill} def
+/TriUF {stroke [] 0 setdash vpt 1.12 mul add M
+ hpt neg vpt -1.62 mul V
+ hpt 2 mul 0 V
+ hpt neg vpt 1.62 mul V closepath fill} def
+/TriD {stroke [] 0 setdash 2 copy vpt 1.12 mul sub M
+ hpt neg vpt 1.62 mul V
+ hpt 2 mul 0 V
+ hpt neg vpt -1.62 mul V closepath stroke
+ Pnt} def
+/TriDF {stroke [] 0 setdash vpt 1.12 mul sub M
+ hpt neg vpt 1.62 mul V
+ hpt 2 mul 0 V
+ hpt neg vpt -1.62 mul V closepath fill} def
+/DiaF {stroke [] 0 setdash vpt add M
+ hpt neg vpt neg V hpt vpt neg V
+ hpt vpt V hpt neg vpt V closepath fill} def
+/Pent {stroke [] 0 setdash 2 copy gsave
+ translate 0 hpt M 4 {72 rotate 0 hpt L} repeat
+ closepath stroke grestore Pnt} def
+/PentF {stroke [] 0 setdash gsave
+ translate 0 hpt M 4 {72 rotate 0 hpt L} repeat
+ closepath fill grestore} def
+/Circle {stroke [] 0 setdash 2 copy
+ hpt 0 360 arc stroke Pnt} def
+/CircleF {stroke [] 0 setdash hpt 0 360 arc fill} def
+/C0 {BL [] 0 setdash 2 copy moveto vpt 90 450 arc} bind def
+/C1 {BL [] 0 setdash 2 copy moveto
+ 2 copy vpt 0 90 arc closepath fill
+ vpt 0 360 arc closepath} bind def
+/C2 {BL [] 0 setdash 2 copy moveto
+ 2 copy vpt 90 180 arc closepath fill
+ vpt 0 360 arc closepath} bind def
+/C3 {BL [] 0 setdash 2 copy moveto
+ 2 copy vpt 0 180 arc closepath fill
+ vpt 0 360 arc closepath} bind def
+/C4 {BL [] 0 setdash 2 copy moveto
+ 2 copy vpt 180 270 arc closepath fill
+ vpt 0 360 arc closepath} bind def
+/C5 {BL [] 0 setdash 2 copy moveto
+ 2 copy vpt 0 90 arc
+ 2 copy moveto
+ 2 copy vpt 180 270 arc closepath fill
+ vpt 0 360 arc} bind def
+/C6 {BL [] 0 setdash 2 copy moveto
+ 2 copy vpt 90 270 arc closepath fill
+ vpt 0 360 arc closepath} bind def
+/C7 {BL [] 0 setdash 2 copy moveto
+ 2 copy vpt 0 270 arc closepath fill
+ vpt 0 360 arc closepath} bind def
+/C8 {BL [] 0 setdash 2 copy moveto
+ 2 copy vpt 270 360 arc closepath fill
+ vpt 0 360 arc closepath} bind def
+/C9 {BL [] 0 setdash 2 copy moveto
+ 2 copy vpt 270 450 arc closepath fill
+ vpt 0 360 arc closepath} bind def
+/C10 {BL [] 0 setdash 2 copy 2 copy moveto vpt 270 360 arc closepath fill
+ 2 copy moveto
+ 2 copy vpt 90 180 arc closepath fill
+ vpt 0 360 arc closepath} bind def
+/C11 {BL [] 0 setdash 2 copy moveto
+ 2 copy vpt 0 180 arc closepath fill
+ 2 copy moveto
+ 2 copy vpt 270 360 arc closepath fill
+ vpt 0 360 arc closepath} bind def
+/C12 {BL [] 0 setdash 2 copy moveto
+ 2 copy vpt 180 360 arc closepath fill
+ vpt 0 360 arc closepath} bind def
+/C13 {BL [] 0 setdash 2 copy moveto
+ 2 copy vpt 0 90 arc closepath fill
+ 2 copy moveto
+ 2 copy vpt 180 360 arc closepath fill
+ vpt 0 360 arc closepath} bind def
+/C14 {BL [] 0 setdash 2 copy moveto
+ 2 copy vpt 90 360 arc closepath fill
+ vpt 0 360 arc} bind def
+/C15 {BL [] 0 setdash 2 copy vpt 0 360 arc closepath fill
+ vpt 0 360 arc closepath} bind def
+/Rec {newpath 4 2 roll moveto 1 index 0 rlineto 0 exch rlineto
+ neg 0 rlineto closepath} bind def
+/Square {dup Rec} bind def
+/Bsquare {vpt sub exch vpt sub exch vpt2 Square} bind def
+/S0 {BL [] 0 setdash 2 copy moveto 0 vpt rlineto BL Bsquare} bind def
+/S1 {BL [] 0 setdash 2 copy vpt Square fill Bsquare} bind def
+/S2 {BL [] 0 setdash 2 copy exch vpt sub exch vpt Square fill Bsquare} bind def
+/S3 {BL [] 0 setdash 2 copy exch vpt sub exch vpt2 vpt Rec fill Bsquare} bind def
+/S4 {BL [] 0 setdash 2 copy exch vpt sub exch vpt sub vpt Square fill Bsquare} bind def
+/S5 {BL [] 0 setdash 2 copy 2 copy vpt Square fill
+ exch vpt sub exch vpt sub vpt Square fill Bsquare} bind def
+/S6 {BL [] 0 setdash 2 copy exch vpt sub exch vpt sub vpt vpt2 Rec fill Bsquare} bind def
+/S7 {BL [] 0 setdash 2 copy exch vpt sub exch vpt sub vpt vpt2 Rec fill
+ 2 copy vpt Square fill Bsquare} bind def
+/S8 {BL [] 0 setdash 2 copy vpt sub vpt Square fill Bsquare} bind def
+/S9 {BL [] 0 setdash 2 copy vpt sub vpt vpt2 Rec fill Bsquare} bind def
+/S10 {BL [] 0 setdash 2 copy vpt sub vpt Square fill 2 copy exch vpt sub exch vpt Square fill
+ Bsquare} bind def
+/S11 {BL [] 0 setdash 2 copy vpt sub vpt Square fill 2 copy exch vpt sub exch vpt2 vpt Rec fill
+ Bsquare} bind def
+/S12 {BL [] 0 setdash 2 copy exch vpt sub exch vpt sub vpt2 vpt Rec fill Bsquare} bind def
+/S13 {BL [] 0 setdash 2 copy exch vpt sub exch vpt sub vpt2 vpt Rec fill
+ 2 copy vpt Square fill Bsquare} bind def
+/S14 {BL [] 0 setdash 2 copy exch vpt sub exch vpt sub vpt2 vpt Rec fill
+ 2 copy exch vpt sub exch vpt Square fill Bsquare} bind def
+/S15 {BL [] 0 setdash 2 copy Bsquare fill Bsquare} bind def
+/D0 {gsave translate 45 rotate 0 0 S0 stroke grestore} bind def
+/D1 {gsave translate 45 rotate 0 0 S1 stroke grestore} bind def
+/D2 {gsave translate 45 rotate 0 0 S2 stroke grestore} bind def
+/D3 {gsave translate 45 rotate 0 0 S3 stroke grestore} bind def
+/D4 {gsave translate 45 rotate 0 0 S4 stroke grestore} bind def
+/D5 {gsave translate 45 rotate 0 0 S5 stroke grestore} bind def
+/D6 {gsave translate 45 rotate 0 0 S6 stroke grestore} bind def
+/D7 {gsave translate 45 rotate 0 0 S7 stroke grestore} bind def
+/D8 {gsave translate 45 rotate 0 0 S8 stroke grestore} bind def
+/D9 {gsave translate 45 rotate 0 0 S9 stroke grestore} bind def
+/D10 {gsave translate 45 rotate 0 0 S10 stroke grestore} bind def
+/D11 {gsave translate 45 rotate 0 0 S11 stroke grestore} bind def
+/D12 {gsave translate 45 rotate 0 0 S12 stroke grestore} bind def
+/D13 {gsave translate 45 rotate 0 0 S13 stroke grestore} bind def
+/D14 {gsave translate 45 rotate 0 0 S14 stroke grestore} bind def
+/D15 {gsave translate 45 rotate 0 0 S15 stroke grestore} bind def
+/DiaE {stroke [] 0 setdash vpt add M
+ hpt neg vpt neg V hpt vpt neg V
+ hpt vpt V hpt neg vpt V closepath stroke} def
+/BoxE {stroke [] 0 setdash exch hpt sub exch vpt add M
+ 0 vpt2 neg V hpt2 0 V 0 vpt2 V
+ hpt2 neg 0 V closepath stroke} def
+/TriUE {stroke [] 0 setdash vpt 1.12 mul add M
+ hpt neg vpt -1.62 mul V
+ hpt 2 mul 0 V
+ hpt neg vpt 1.62 mul V closepath stroke} def
+/TriDE {stroke [] 0 setdash vpt 1.12 mul sub M
+ hpt neg vpt 1.62 mul V
+ hpt 2 mul 0 V
+ hpt neg vpt -1.62 mul V closepath stroke} def
+/PentE {stroke [] 0 setdash gsave
+ translate 0 hpt M 4 {72 rotate 0 hpt L} repeat
+ closepath stroke grestore} def
+/CircE {stroke [] 0 setdash
+ hpt 0 360 arc stroke} def
+/Opaque {gsave closepath 1 setgray fill grestore 0 setgray closepath} def
+/DiaW {stroke [] 0 setdash vpt add M
+ hpt neg vpt neg V hpt vpt neg V
+ hpt vpt V hpt neg vpt V Opaque stroke} def
+/BoxW {stroke [] 0 setdash exch hpt sub exch vpt add M
+ 0 vpt2 neg V hpt2 0 V 0 vpt2 V
+ hpt2 neg 0 V Opaque stroke} def
+/TriUW {stroke [] 0 setdash vpt 1.12 mul add M
+ hpt neg vpt -1.62 mul V
+ hpt 2 mul 0 V
+ hpt neg vpt 1.62 mul V Opaque stroke} def
+/TriDW {stroke [] 0 setdash vpt 1.12 mul sub M
+ hpt neg vpt 1.62 mul V
+ hpt 2 mul 0 V
+ hpt neg vpt -1.62 mul V Opaque stroke} def
+/PentW {stroke [] 0 setdash gsave
+ translate 0 hpt M 4 {72 rotate 0 hpt L} repeat
+ Opaque stroke grestore} def
+/CircW {stroke [] 0 setdash
+ hpt 0 360 arc Opaque stroke} def
+/BoxFill {gsave Rec 1 setgray fill grestore} def
+/Density {
+ /Fillden exch def
+ currentrgbcolor
+ /ColB exch def /ColG exch def /ColR exch def
+ /ColR ColR Fillden mul Fillden sub 1 add def
+ /ColG ColG Fillden mul Fillden sub 1 add def
+ /ColB ColB Fillden mul Fillden sub 1 add def
+ ColR ColG ColB setrgbcolor} def
+/BoxColFill {gsave Rec PolyFill} def
+/PolyFill {gsave Density fill grestore grestore} def
+/h {rlineto rlineto rlineto gsave closepath fill grestore} bind def
+%
+% PostScript Level 1 Pattern Fill routine for rectangles
+% Usage: x y w h s a XX PatternFill
+% x,y = lower left corner of box to be filled
+% w,h = width and height of box
+% a = angle in degrees between lines and x-axis
+% XX = 0/1 for no/yes cross-hatch
+%
+/PatternFill {gsave /PFa [ 9 2 roll ] def
+ PFa 0 get PFa 2 get 2 div add PFa 1 get PFa 3 get 2 div add translate
+ PFa 2 get -2 div PFa 3 get -2 div PFa 2 get PFa 3 get Rec
+ gsave 1 setgray fill grestore clip
+ currentlinewidth 0.5 mul setlinewidth
+ /PFs PFa 2 get dup mul PFa 3 get dup mul add sqrt def
+ 0 0 M PFa 5 get rotate PFs -2 div dup translate
+ 0 1 PFs PFa 4 get div 1 add floor cvi
+ {PFa 4 get mul 0 M 0 PFs V} for
+ 0 PFa 6 get ne {
+ 0 1 PFs PFa 4 get div 1 add floor cvi
+ {PFa 4 get mul 0 2 1 roll M PFs 0 V} for
+ } if
+ stroke grestore} def
+%
+/languagelevel where
+ {pop languagelevel} {1} ifelse
+ 2 lt
+ {/InterpretLevel1 true def}
+ {/InterpretLevel1 Level1 def}
+ ifelse
+%
+% PostScript level 2 pattern fill definitions
+%
+/Level2PatternFill {
+/Tile8x8 {/PaintType 2 /PatternType 1 /TilingType 1 /BBox [0 0 8 8] /XStep 8 /YStep 8}
+ bind def
+/KeepColor {currentrgbcolor [/Pattern /DeviceRGB] setcolorspace} bind def
+<< Tile8x8
+ /PaintProc {0.5 setlinewidth pop 0 0 M 8 8 L 0 8 M 8 0 L stroke}
+>> matrix makepattern
+/Pat1 exch def
+<< Tile8x8
+ /PaintProc {0.5 setlinewidth pop 0 0 M 8 8 L 0 8 M 8 0 L stroke
+ 0 4 M 4 8 L 8 4 L 4 0 L 0 4 L stroke}
+>> matrix makepattern
+/Pat2 exch def
+<< Tile8x8
+ /PaintProc {0.5 setlinewidth pop 0 0 M 0 8 L
+ 8 8 L 8 0 L 0 0 L fill}
+>> matrix makepattern
+/Pat3 exch def
+<< Tile8x8
+ /PaintProc {0.5 setlinewidth pop -4 8 M 8 -4 L
+ 0 12 M 12 0 L stroke}
+>> matrix makepattern
+/Pat4 exch def
+<< Tile8x8
+ /PaintProc {0.5 setlinewidth pop -4 0 M 8 12 L
+ 0 -4 M 12 8 L stroke}
+>> matrix makepattern
+/Pat5 exch def
+<< Tile8x8
+ /PaintProc {0.5 setlinewidth pop -2 8 M 4 -4 L
+ 0 12 M 8 -4 L 4 12 M 10 0 L stroke}
+>> matrix makepattern
+/Pat6 exch def
+<< Tile8x8
+ /PaintProc {0.5 setlinewidth pop -2 0 M 4 12 L
+ 0 -4 M 8 12 L 4 -4 M 10 8 L stroke}
+>> matrix makepattern
+/Pat7 exch def
+<< Tile8x8
+ /PaintProc {0.5 setlinewidth pop 8 -2 M -4 4 L
+ 12 0 M -4 8 L 12 4 M 0 10 L stroke}
+>> matrix makepattern
+/Pat8 exch def
+<< Tile8x8
+ /PaintProc {0.5 setlinewidth pop 0 -2 M 12 4 L
+ -4 0 M 12 8 L -4 4 M 8 10 L stroke}
+>> matrix makepattern
+/Pat9 exch def
+/Pattern1 {PatternBgnd KeepColor Pat1 setpattern} bind def
+/Pattern2 {PatternBgnd KeepColor Pat2 setpattern} bind def
+/Pattern3 {PatternBgnd KeepColor Pat3 setpattern} bind def
+/Pattern4 {PatternBgnd KeepColor Landscape {Pat5} {Pat4} ifelse setpattern} bind def
+/Pattern5 {PatternBgnd KeepColor Landscape {Pat4} {Pat5} ifelse setpattern} bind def
+/Pattern6 {PatternBgnd KeepColor Landscape {Pat9} {Pat6} ifelse setpattern} bind def
+/Pattern7 {PatternBgnd KeepColor Landscape {Pat8} {Pat7} ifelse setpattern} bind def
+} def
+%
+%
+%End of PostScript Level 2 code
+%
+/PatternBgnd {
+ TransparentPatterns {} {gsave 1 setgray fill grestore} ifelse
+} def
+%
+% Substitute for Level 2 pattern fill codes with
+% grayscale if Level 2 support is not selected.
+%
+/Level1PatternFill {
+/Pattern1 {0.250 Density} bind def
+/Pattern2 {0.500 Density} bind def
+/Pattern3 {0.750 Density} bind def
+/Pattern4 {0.125 Density} bind def
+/Pattern5 {0.375 Density} bind def
+/Pattern6 {0.625 Density} bind def
+/Pattern7 {0.875 Density} bind def
+} def
+%
+% Now test for support of Level 2 code
+%
+Level1 {Level1PatternFill} {Level2PatternFill} ifelse
+%
+/Symbol-Oblique /Symbol findfont [1 0 .167 1 0 0] makefont
+dup length dict begin {1 index /FID eq {pop pop} {def} ifelse} forall
+currentdict end definefont pop
projects / gnuplot / blobdiff