gnuplot4.6
191
oraPostScript Level1approximation. . Thelevel1optionsubstitutes s PostScript Level1approximations
ofthesefeaturesandusesnoPostScript Level2code. . Thismayberequiredbysomeoldprintersandold
versionsofAdobeIllustrator. The aglevel1canbetoggledlaterbyeditingasinglelineinthePostScript
outputletoforcePostScriptLevel1interpretation. Inthecaseoflescontaininglevel2code,theabove
featureswillnotappearorwillbereplacedbyanotewhenthis agissetorwhentheinterpretingprogram
doesnotindicatethatitunderstandslevel2PostScriptorhigher.
roundedsetslinecapsandlinejoinstoberounded;buttisthedefault,buttcapsandmiteredjoins.
cliptellsPostScripttoclipalloutputtotheboundingbox;noclipisthedefault.
palfuncparam controls how set t palette functions s are encodedas s gradients in the e output. . Analytic
color component functions (set viaset t palette functions) ) areencodedas linear interpolatedgradients
inthepostscriptoutput: Thecolorcomponentfunctionsaresampledat t <samples>pointsandallpoints
areremovedfromthisgradientwhichcanberemovedwithoutchangingtheresultingcolorsbymorethan
<maxdeviation>.Foralmosteveryusefulpaletteyoumaysafelyleavethedefaultsof<samples>=2000and
<maxdeviation>=0.003untouched.
Thedefaultsizeforpostscriptoutputis10inchesx7inches. Thedefaultforepsoutputis5x3.5inches.
Thesizeoptionchangesthistowhatevertheuserrequests. BydefaulttheXandYsizesaretakentobein
inches,butotherunitsarepossibly(currentlyonlycm). TheBoundingBoxoftheplotiscorrectlyadjusted
tocontain the e resized d image. . Screencoordinates s always runfrom 0.0 0 to1.0 alongthefulllengthof the
plotedgesas speciedbythesizeoption. . NB:this s is achange from the previously recommended
methodofusingthe set size command d prior r to o setting the terminal l type. . Theoldmethodleft
theBoundingBoxunchangedandscreencoordinatesdidnotcorrespondtotheactuallimitsoftheplot.
blacktextforcesalltexttobewritteninblackevenincolormode;
Theepslatexdriveroersaspecialwayofcontrollingtextpositioning: (a)Ifanytextstringbeginswith’f’,
youalsoneedtoincludea’g’attheendofthetext,andthewholetextwillbecenteredbothhorizontally
andvertically byLaTeX.(b) Ifthe text string begins with’[’, youneed d tocontinue e it with: : aposition
specication(uptotwooutoft,b,l,r,c),’]f’,thetextitself,andnally,’g’.Thetextitselfmaybeanything
LaTeXcantypesetasanLR-box. nrulefgfg’smayhelpforbestpositioning. Seealsothedocumentationfor
thepslatex(p.216)terminaldriver. Tocreatemultilinelabels,usenshortstack,forexample
set ylabel ’[r]{\shortstack{first line \\ second line}}’
Thebackoptionofset labelcommandsishandledslightlydierentthaninotherterminals.Labelsusing
’back’areprintedbehindallotherelementsoftheplotwhilelabelsusing’front’areprintedaboveeverything
else.
Thedriverproducestwodierentles,onefortheepspartofthegureandonefortheLaTeXpart. The
nameof the LaTeXle is takenfrom the set output command. . The e nameoftheepsle isderivedby
replacingtheleextension(normally.tex)with.epsinstead. ThereisnoLaTeXoutputifnooutputleis
given! Remembertoclosetheoutputlebeforenextplotunlessinmultiplotmode.
Inyour LaTeX documents use ’ninputflenameg’ ’ toincludethe gure. . The.eps s le is includedbythe
commandnincludegraphicsf...g,soyoumust also o includenusepackagefgraphicxginthe LaTeXpreamble.
Ifyouwant touse colouredtext(optiontextcolour)youalsohavetoincludenusepackagefcolorginthe
LaTeXpreamble.
Pdflescanbemadefromtheepsleusing’epstopdf’. Ifthegraphicspackageisproperlycongured,the
LaTeXles canalsobeprocessedbypd atexwithoutchanges,usingthepdflesinsteadoftheeps les.
Thebehaviourconcerningfontselectiondependsontheheadermode.Inallcases,thegivenfontsizeisused
forthecalculationofproperspacing.WhennotusingthestandalonemodetheactualLaTeXfontandfont
sizeatthepointofinclusionistaken,souseLaTeXcommandsforchangingfonts. Ifyouusee.g. 12ptas
fontsizeforyourLaTeXdocument,use’""12’asoptions. Thefontnameisignored. Ifusingstandalone
thegivenfontandfontsizeareused,seebelowforadetaileddescription.
If text is printed coloured is controlled by the e TeX booleans s nifGPcolor r and nifGPblacktext. . Only y if
nifGPcolor is true andnifGPblacktext is false, , textis s printedcoloured. . Youmay y either changethemin
thegeneratedTeXleorprovidethemgloballyinyourTeXle,forexamplebyusing
\newif\ifGPblacktext
\GPblacktexttrue
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192
gnuplot4.6
inthepreambleofyourdocument.Thelocalassignmentisonlydoneifnoglobalvalueisgiven.
WhenusingtheepslatexterminalgivethenameoftheTeXleinthesetoutputcommandincludingthe
leextension(normally".tex"). Theepslenameisgeneratedbyreplacingtheextensionby".eps".
Ifusingthestandalone modeacompleteLaTeXheader is addedtotheLaTeXle;and"-inc"isadded
tothelenameoftheepsle. ThestandalonemodegeneratesaTeXlethatproduces s outputwiththe
correctsizewhenusingdvips,pdfTeX,orVTeX.Thedefault,input,generatesalethathastobeincluded
intoaLaTeXdocumentusingtheninputcommand.
Ifafontotherthan""or"default"isgivenitisinterpretedasLaTeXfontname.Itcontainsuptothreeparts,
separatedbyacomma: ’fontname,fontseries,fontshape’. Ifthedefaultfontshapeorfontseriesarerequested,
they canbe omitted. . Thus, , the realsyntaxfor r the fontnameis ’[fontname][,fontseries][,fontshape]’. . The
naming convention for r allparts is givenby the LaTeXfont scheme. . The e fontname is 3to4 characters
longandisbuiltasfollows:Onecharacterforthefontvendor,twocharactersforthenameofthefont,and
optionallyoneadditionalcharacterforspecialfonts,e.g.,’j’forfontswithold-stylenumeralsor’x’forexpert
fonts. Thenamesofmanyfontsisdescribedin
http://www.tug.org/fontname/fontname.pdf
Forexample,’cmr’standsforComputerModernRoman,’ptm’forTimes-Roman,and’phv’forHelvetica.
Thefontseriesdenotesthethickness oftheglyphs,inmostcases’m’for normal("medium")and’bx’or
’b’forboldfonts. Thefontshapeis’n’forupright,’it’foritalics,’sl’forslanted,or’sc’forsmallcaps,in
general. Somefontsmayprovidedierentfontseriesorshapes.
Examples:
UseTimes-Romanboldface(withthesameshapeasinthesurroundingtext):
set terminal epslatex ’ptm,bx’
UseHelvetica,boldface,italics:
set terminal epslatex ’phv,bx,it’
Continuetousethesurroundingfontinslantedshape:
set terminal epslatex ’,,sl’
Usesmallcapitals:
set terminal epslatex ’,,sc’
Bythismethod,onlytextfontsarechanged.Ifyoualsowanttochangethemathfontsyouhavetousethe
"gnuplot.cfg"leortheheaderoption,describedbelow.
Instandalonemode,thefontsizeistakenfromthegivenfontsizeinthe setterminal command. . Tobe
abletouseaspeciedfontsize,ale"size<size>.clo"hastoresideintheLaTeXsearchpath. Bydefault,
10pt,11pt,and12ptaresupported.Ifthepackage"extsizes"isinstalled,8pt,9pt,14pt,17pt,and20ptare
added.
Theheaderoptiontakesastringasargument.ThisstringiswrittenintothegeneratedLaTeXle.Ifusing
thestandalonemode,itiswrittenintothepreamble,directlybeforethenbeginfdocumentgcommand. In
theinputmode,itisplaceddirectlyafterthenbegingroupcommandtoensurethatallsettingsarelocalto
theplot.
Examples:
Use T1 fontencoding, change the text and d math font to Times-Roman as well as the e sans-serif f font to
Helvetica:
set terminal epslatex standalone header \
"\\usepackage[T1]{fontenc}\n\\usepackage{mathptmx}\n\\usepackage{helvet}"
Useaboldfacefontintheplot,notin uencingthetextoutsidetheplot:
set terminal epslatex input header "\\bfseries"
Ifthele"gnuplot.cfg"isfoundby LaTeXitis input inthepreambletheLaTeX document, whenusing
standalonemode. Itcanbeusedforfurthersettings,e.g.,changingthedocumentfonttoTimes-Roman,
Helvetica,andCourier,includingmathfonts(handledby"mathptmx.sty"):
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gnuplot4.6
193
\usepackage{mathptmx}
\usepackage[scaled=0.92]{helvet}
\usepackage{courier}
Thele"gnuplot.cfg"isloadedbeforetheheaderinformationgivenbytheheader command. . Thus,you
canuseheadertooverwritesomeofsettingsperformedusing"gnuplot.cfg"
Epson
180dpi
ThisdriversupportsafamilyofEpsonprintersandderivatives.
epson
180dpiandepson
60dpiaredriversforEpsonLQ-style24-pinprinterswithresolutionsof180and
60dotsperinch,respectively.
epson
lx800isageneric9-pindriverappropriateforprintersliketheEpsonLX-800,theStarNL-10and
NX-1000,thePROPRINTER,andsoforth.
nec
cp6isgeneric24-pindriverthatcanbeusedforprintersliketheNECCP6andtheEpsonLQ-800.
Theokidatadriversupportsthe9-pinOKIDATA320/321Standardprinters.
ThestarcdriverisfortheStarColorPrinter.
Thetandy
60dpidriverisfortheTandyDMP-130seriesof9-pin,60-dpiprinters.
Thedpu414driverisfortheSeikoDPU-414thermalprinter.
nec
cp6hastheoptions:
Syntax:
set terminal nec_cp6 {monochrome | colour | draft}
whichdefaultstomonochrome.
dpu414hastheoptions:
Syntax:
set terminal dpu414 {small | medium | large} {normal l | | draft}
whichdefaultstomedium(=fontsize)andnormal.Preferredcombinationsaremediumnormalandsmall
draft.
Excl
TheexclterminaldriversupportsTalarisprinterssuchastheEXCLLaserprinterandthe1590.Ithasno
options.
Fig
ThegterminaldevicegeneratesoutputintheFiggraphicslanguage.
Syntax:
set terminal fig {monochrome | color}
{landscape | portrait}
{small | big | size <xsize> <ysize>}
{metric | inches}
{pointsmax <max_points>}
{solid | dashed}
{font "<fontname>{,<fontsize>}"}
{textnormal | {textspecial texthidden textrigid}}
{{thickness|linewidth} <units>}
{depth <layer>}
{version <number>}
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194
gnuplot4.6
monochromeandcolordeterminewhetherthepictureisblack-and-whiteorcolor.smallandbigproduce
a5x3or8x5inchgraphinthedefaultlandscapemodeand3x5or5x8inchesinportraitmode. sizesets
(overrides)thesize of thedrawingareato <xsize>*<ysize> inunits ofinches or centimeters depending
ontheinchesormetricsettingineect. Thelattersettingsisalsousedasdefaultunitsforeditingwith
"xg".
pointsmax<max
points>setsthemaximumnumberofpointsperpolyline.
solidinhibitsautomaticusageofdashedlineswhensolidlinestylesareusedup,whichotherwiseoccurs.
fontsetsthetextfontfaceto<fontname>anditssizeto<fontsize> points. . textnormalresetsthetext
agsandselectspostscriptfonts,textspecialsetsthetext agsforLaTeXspecials,texthiddensets the
hidden agandtextrigidtherigid ag.
depthsetsthedefaultdepthlayerforalllinesandtext. Thedefaultdepthis10toleaveroomforadding
materialwith"xg"ontopoftheplot.
versionsetstheformatversionofthegeneratedgoutput.Currentlyonlyversions3.1and3.2aresupported.
thicknesssetsthedefaultlinethickness,whichis1ifnotspecied.Overridingthethicknesscanbeachieved
byaddingamultipleof100tothelinetypevalueforaplotcommand. Inasimilarwaythedepthofplot
elements(withrespecttothedefaultdepth)canbecontrolledbyaddingamultipleof1000to<linetype>.
Thedepthisthen<layer>+ <linetype>/1000andthethicknessis(<linetype>%1000)/100or,ifthatis
zero,thedefaultlinethickness. linewidthisasynonymforthickness.
Additional point-plot symbols s are also o available with the g driver. . The e symbols canbe usedthrough
pointtypevalues%100above50,withdierentllintensitiescontrolledby<pointtype>%5andoutlines
inblack(for<pointtype>%10<5)orinthecurrentcolor. Availablesymbolsare
50 - 59: : circles
60 - 69: : squares
70 - 79: : diamonds
80 - 89: : upwards s triangles
90 - 99: : downwards s triangles
The size of these symbols is linkedto the font size. . The e depthof symbols s is by y default one e less than
the depthfor r lines to achieve e nice error r bars. . If f <pointtype> > is s above 1000, , the depthis <layer> +
<pointtype>/1000-1.If<pointtype>%1000isabove100,thellcoloris(<pointtype>%1000)/100-1.
Availablellcolorsare(from1to9): black,blue,green,cyan,red,magenta,yellow,whiteanddarkblue
(inmonochromemode: blackfor1to6andwhitefor7to9).
Seeplotwith(p. 91)fordetailsof<linetype>and<pointtype>.
Thebigoptionisasubstituteforthebgterminalinearlierversions,whichisnolongersupported.
Examples:
set terminal fig monochrome small pointsmax 1000 0 # # defaults
plot ’file.dat’ ’ with h points linetype 102 pointtype 759
wouldproducecircleswithablueoutlineofwidth1andyellowllcolor.
plot ’file.dat’ ’ using g 1:2:3 with err linetype 1 pointtype 554
wouldproduceerrorbarswithblacklinesandcircleslledred. Thesecirclesareonelayer r abovethelines
(atdepth9bydefault).
Toplottheerrorbarsontopofthecirclesuse
plot ’file.dat’ ’ using g 1:2:3 with err linetype 1 pointtype 2554
Ggi
TheggidrivercanrunondierenttargetsasXorsvgalib.
Syntax:
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gnuplot4.6
195
set terminal ggi [acceleration <integer>] [[mode] {mode}]
InXthewindowcannot beresizedusingwindowmanager handles, but the mode canbegivenwiththe
modeoption,e.g.:
- V1024x768
- V800x600
- V640x480
- V320x200
Pleaserefertotheggidocumentationforothermodes.The’mode’keywordisoptional.Itisrecommended
toselectthetargetbyenvironmentvariablesasexplainedinthelibggimanualpage. TogetDGAonX,you
shouldforexample
bash> export GGI_DISPLAY=DGA
csh> setenv v GGI_DISPLAY DGA
’acceleration’isonlyusedfortargetswhichreportrelativepointermotionevents(e.g.DGA)andisastrictly
positiveintegermultiplicationfactorfortherelativedistances. Thedefaultforaccelerationis7.
Examples:
set term ggi acc 10
set term ggi acc 1 1 mode e V1024x768
set term ggi V1024x768
Gif
Syntax:
set terminal gif
{{no}enhanced}
{{no}transparent} {rounded|butt}
{linewidth <lw>} {dashlength <dl>}
{tiny | | small l | medium | large | giant}
{font "<face> {,<pointsize>}"} {fontscale <scale>}
{size <x>,<y>} {{no}crop}
{animate {delay y <d>} {loop <n>} {{no}optimize}}
{background <rgb_color>}
PNG,JPEGandGIFimagesarecreatedusingtheexternallibrarylibgd. GIFplotsmaybeviewedinter-
activelybypipingtheoutputtothe’display’programfromtheImageMagickpackageasfollows:
set term gif
set output ’| display gif:-’
Youcanviewthe output fromsuccessive plotcommands interactively bytyping <space> inthedisplay
window.Tosavethecurrentplottoale,leftclickinthedisplaywindowandchoosesave.
transparentinstructsthedrivertomakethebackgroundcolortransparent. Defaultisnotransparent.
Thelinewidthanddashlengthoptionsarescalingfactorsthataectalllinesdrawn,i.e.theyaremultiplied
byvaluesrequestedinvariousdrawingcommands.
buttinstructsthedrivertousealinedrawingmethodthatdoesnot overshootthedesiredendpointofa
line.Thissettingisonlyapplicableforlinewidthsgreaterthan1. Thissettingismostusefulwhendrawing
horizontalorverticallines.Defaultisrounded.
Thedetailsoffontselectionarecomplicated. Twoequivalentsimpleexamplesaregivenbelow:
set term gif font arial 11
set term gif font "arial,11"
Formoreinformationpleaseseetheseparatesectionunderfonts (p.31).
Theanimateoptionisavailableonlyifyourlocalgdlibrarysupportsthecreationofanimatedgifs. The
default delaybetweendisplay ofsuccessive imagesmaybe speciedinunits of1/100second(default 5).
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196
gnuplot4.6
Theactualdelay mayvary dependingonthe program usedasaviewer. . Number r of animationloops can
bespecied,default0meansinnity. Ananimationsequenceisterminatedbythenextsetoutputorset
termcommand. Theoptimizeoptionhastwoeectsontheanimation.
1)Asinglecolormapisusedfortheentireanimation. Thisrequiresthatallcolorsusedinanyframeofthe
animationarealreadydenedintherstframe.
2)Ifpossible,onlytheportionsofaframethatdierfromthepreviousframearestoredintheanimation
le. Thisspacesavingmaynotbepossibleiftheanimationusestransparency.
Bothoftheseoptimizationsareintendedtoproduceasmalleroutputle,butthedecreaseinsizeisprobably
onlysignicantfor long g animations s or verysmallframesizes. . The e nooptimize optionturns obothof
theeectsjustdescribed. Eachframeisstoredinitsentiretyalongwithaprivatecolormap. . Notethatit
ispossibletopost-process anon-optimizedanimationusingexternalutilities,andthispost-processingcan
yieldasmallerlethangnuplot’sinternaloptimizationmode. Thedefaultis s nooptimize.
Theoutputplotsize<x,y>isgiveninpixels|itdefaults to640x480. . Pleaseseeadditionalinformation
undercanvas(p.21)andsetsize(p.146).Blankspaceattheedgesofthenishedplotmaybetrimmed
usingthecropoption,resultinginasmallernalimagesize.Defaultisnocrop.
Examples
set terminal gif medium size 640,480 background ’#ffffff’
Usethemediumsizebuilt-innon-scaleable,non-rotatablefont. Usewhite(24bitRGBinhexadecimal)for
thenon-transparentbackground.
set terminal gif font arial 14 enhanced
Searchesforascalablefontwithfacename’arial’andsetsthefontsizeto14pt. Pleaseseefonts (p. 31)
fordetailsofhowthefontsearchisdone. Becausethisisascalablefont,wecanuseenhancedtextmode.
set term gif animate transparent opt delay 10 size 200,200
load "animate2.dem"
Openthegifterminalforcreationofananimatedgifle. Theindividualframesoftheanimationsequence
arecreatedbythescriptleanimate2.demfromthestandardcollectionofdemos.
Gpic
ThegpicterminaldrivergeneratesGPICgraphsintheFreeSoftwareFoundations’s"gro"package. The
defaultsizeis5x3inches.Theonlyoptionistheorigin,whichdefaultsto(0,0).
Syntax:
set terminal gpic {<x> <y>}
wherexandyareininches.
Asimplegraphcanbeformattedusing
groff -p -mpic c -Tps s file.pic > file.ps.
Theoutputfrompiccanbepipe-linedintoeqn,soitispossibletoputcomplexfunctionsinagraphwith
thesetlabelandsetfx/yglabelcommands.Forinstance,
set ylab ’@space 0 int from 0 to x alpha ( t ) roman n d d t@’
willlabeltheyaxiswithaniceintegralifformattedwiththecommand:
gpic filename.pic | geqn -d@@ -Tps | groff -m[macro-package] -Tps
> filename.ps
Figuresmadethiswaycanbescaledtotintoadocument.Thepiclanguageiseasytounderstand,sothe
graphscanbeeditedbyhandifneedbe. Allco-ordinatesinthepic-leproducedbygnuplotaregivenas
x+gnuplotxandy+gnuploty. Bydefaultxandyaregiventhevalue0. Ifthislineisremovedwithaneditor
inanumberofles,onecanputseveralgraphsinonegurelikethis(defaultsizeis5.0x3.0inches):
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gnuplot4.6
197
.PS 8.0
x=0;y=3
copy "figa.pic"
x=5;y=3
copy "figb.pic"
x=0;y=0
copy "figc.pic"
x=5;y=0
copy "figd.pic"
.PE
Thiswillproducean8-inch-widegurewithfourgraphsintworowsontopofeachother.
Onecanalsoachievethesamethingbythecommand
set terminal gpic x y
forexample,using
.PS 6.0
copy "trig.pic"
.PE
Grass
ThegrassterminaldrivergivesgnuplotcapabilitiestousersoftheGRASSgeographicinformationsystem.
Contactgrassp-list@moon.cecer.army.milformoreinformation. Pages s arewrittentothecurrent frameof
theGRASSGraphicsWindow. Therearenooptions.
Hp2623a
Thehp2623aterminaldriversupportstheHewlettPackardHP2623A.Ithasnooptions.
Hp2648
Thehp2648terminaldriversupportstheHewlettPackardHP2647andHP2648.Ithasnooptions.
Hp500c
Thehp500cterminaldriversupportstheHewlettPackardHPDeskJet500c. Ithasoptionsforresolution
andcompression.
Syntax:
set terminal hp500c {<res>} {<comp>}
whererescanbe75,100,150or300dotsperinchandcompcanbe"rle",or"ti".Anyotherinputsare
replacedbythedefaults,whichare75dpiandnocompression. Rasterizationatthehigherresolutionsmay
requirealargeamountofmemory.
Hpgl
ThehpgldriverproducesHPGLoutputfordevicesliketheHP7475Aplotter. Therearetwooptionswhich
canbeset:thenumberofpensandeject,whichtellstheplottertoejectapagewhendone. Thedefaultis
touse6pensandnottoejectthepagewhendone.
TheinternationalcharactersetsISO-8859-1andCP850arerecognizedviasetencodingiso
8859
1orset
encodingcp850(seesetencoding(p. 112)fordetails).
Syntax:
198
gnuplot4.6
set terminal hpgl {<number_of_pens>} {eject}
Theselection
set terminal hpgl 8 eject
isequivalenttotheprevioushp7550terminal,andtheselection
set terminal hpgl 4
isequivalenttotheprevioushp7580bterminal.
Thepcl5driversupportsplotterssuchastheHewlett-PackardDesignjet750C,theHewlett-PackardLaserjet
III,andtheHewlett-PackardLaserjetIV.ItactuallyusesHPGL-2,butthereisanamecon ictamongthe
terminaldevices. Ithasseveraloptionswhichmustbespeciedintheorderindicatedbelow:
Syntax:
set terminal pcl5 {mode <mode>} {<plotsize>}
{{color {<number_of_pens>}} | monochrome} {solid d | | dashed}
{font <font>} {size <fontsize>} {pspoints | nopspoints}
<mode>is landscapeorportrait. . <plotsize>is s the physicalplottingsizeoftheplot,whichis oneof
thefollowing: letterforstandard(81/2"X11")displays,legalfor(81/2"X14")displays,noextended
for (36" X48") displays (a a letter r size ratio) or, , extendedfor r (36" X55") displays (almosta a legalsize
ratio). colorisfor r multi-pen(i.e. . color)plots,and<number
of
pens>isthenumberofpens(i.e. colors)
usedincolor plots. . monochromeisforone(e.g. . black)penplots. . soliddrawsalllinesassolidlines,or
dashedwilldrawlineswithdierentdashedanddottedlinepatterns. <font>isstick,univers,cg
times,
zapf
dingbats,antique
olive,arial,courier,garamond
antigua,letter
gothic,cg
omega,albertus,
times
new
roman,clarendon,coronet,marigold, truetype
symbols,or wingdings. . <fontsize>is
thefontsizeinpoints. Thepointtypeselectioncanbethestandarddefaultsetbyspecifyingnopspoints,
orthesamesetofpointtypesfoundinthepostscriptterminalbyspecifyingpspoints.
Notethatbuilt-insupportofsomeoftheseoptionsisprinterdevicedependent. Forinstance,allthefonts
aresupposedlysupportedbytheHPLaserjetIV,butonlyafew(e.g. univers,stick)maybesupportedby
theHPLaserjetIIIandtheDesignjet750C.Also,colorobviouslywon’tworkonthethelaserjetssincethey
aremonochromedevices.
Defaults: landscape,noextended,color(6pens),solid,univers,12point,
and nopspoints.
Withpcl5internationalcharactersarehandledbytheprinter;youjustputtheappropriate8-bitcharacter
codesintothetextstrings.Youdon’tneedtobotherwithsetencoding.
HPGLgraphicscanbeimportedbymanysoftwarepackages.
Hpljii
Thehpljii terminaldriversupports theHP LaserjetSeries IIprinter. . The e hpdj driver supportstheHP
DeskJet500printer. Thesedriversallowachoiceofresolutions.
Syntax:
set terminal hpljii | hpdj {<res>}
whereresmaybe75,100,150or300dotsperinch;thedefaultis75. Rasterizationatthehigherresolutions
mayrequirealargeamountofmemory.
Thehp500cterminalissimilartohpdj;hp500cadditionallysupportscolorandcompression.
Hppj
ThehppjterminaldriversupportstheHPPaintJetandHP3630printers. Theonlyoptionisthechoiceof
font.
Syntax:
set terminal hppj {FNT5X9 | FNT9X17 | FNT13X25}
withthemiddle-sizedfont(FNT9X17)beingthedefault.
gnuplot4.6
199
Imagen
TheimagenterminaldriversupportsImagenlaserprinters. Itis s capableofplacingmultiplegraphsona
singlepage.
Syntax:
set terminal imagen {<fontsize>} {portrait | landscape}
{[<horiz>,<vert>]}
wherefontsizedefaultsto12pointsandthelayoutdefaultstolandscape. <horiz>and<vert>arethe
numberofgraphsinthehorizontalandverticaldirections;thesedefaulttounity.
Example:
set terminal imagen portrait [2,3]
putssixgraphsonthepageinthreerowsoftwoinportraitorientation.
Jpeg
Syntax:
set terminal jpeg
{{no}enhanced}
{{no}interlace}
{linewidth <lw>} {dashlength <dl>} {rounded|butt}
{tiny | | small l | medium | large | giant}
{font "<face> {,<pointsize>}"} {fontscale <scale>}
{size <x>,<y>} {{no}crop}
{background <rgb_color>}
PNG, JPEGandGIF images s are createdusing g the externallibrary libgd. . Inmost t cases, PNGis to o be
preferredfor singleplots, , andGIFforanimations. . Bothareloss-less s imageformats, , andproducebetter
imagequality thanthelossyJPEGformat. . Thisisinparticular r noticeablefor solidcolor linesagainst a
solidbackground,i.e.exactlythesortofimagetypicallycreatedbygnuplot.
TheinterlaceoptioncreatesaprogressiveJPEGimage. Defaultisnointerlace.
Thelinewidthanddashlengthoptionsarescalingfactorsthataectalllinesdrawn,i.e.theyaremultiplied
byvaluesrequestedinvariousdrawingcommands.
buttinstructsthedrivertousealinedrawingmethodthatdoesnot overshootthedesiredendpointofa
line.Thissettingisonlyapplicableforlinewidthsgreaterthan1. Thissettingismostusefulwhendrawing
horizontalorverticallines.Defaultisrounded.
Thedetailsoffontselectionarecomplicated. Twoequivalentsimpleexamplesaregivenbelow:
set term jpeg font arial 11
set term jpeg font "arial,11"
Formoreinformationpleaseseetheseparatesectionunderfonts (p.31).
Theoutputplotsize<x,y>isgiveninpixels|itdefaults to640x480. . Pleaseseeadditionalinformation
undercanvas(p.21)andsetsize(p.146).Blankspaceattheedgesofthenishedplotmaybetrimmed
usingthecropoption,resultinginasmallernalimagesize.Defaultisnocrop.
Kyo
Thekyoandprescribe terminaldriverssupporttheKyoceralaser printer. . Theonlydierencebetween
thetwoisthatkyouses"Helvetica"whereasprescribeuses"Courier". Therearenooptions.
Latex
Syntax:
200
gnuplot4.6
set terminal {latex | emtex} {default | {courier|roman} {<fontsize>}}
{size <XX>{unit}, <YY>{unit}} {rotate | | norotate}
Bydefaulttheplotwillinheritfontsettingsfromtheembeddingdocument. Youhavetheoptionofforcing
eitherCourier(cmtt) or Roman(cmr)fonts instead. . Inthiscaseyoumayalsospecify y afontsize. . Unless
yourdriveriscapableofbuildingfonts at anysize(e.g. . dvips),sticktothestandard10,11and12point
sizes.
METAFONTusersbeware: METAFONTdoesnotlikeoddsizes.
AlldriversforLaTeXoeraspecialwayofcontrollingtextpositioning: Ifanytextstringbeginswith’f’,
youalsoneedtoincludea’g’attheendofthetext,andthewholetextwillbecenteredbothhorizontally
andvertically. Ifthetextstringbeginswith’[’,youneedtofollowthiswithapositionspecication(upto
twooutoft,b,l,r),’]f’,thetextitself,andnally’g’. ThetextitselfmaybeanythingLaTeXcantypesetas
anLR-box. ’nrulefgfg’smayhelpforbestpositioning.
Points,amongotherthings,aredrawnusingtheLaTeXcommands"nDiamond"and"nBox". Thesecom-
mands nolongerbelongtotheLaTeX2ecore;theyareincludedinthelatexsympackage,whichispartof
thebasedistributionandthuspartofanyLaTeXimplementation.Pleasedonotforgettousethispackage.
Otherpointtypesusesymbolsfromtheamssymbpackage.
Thedefault size for theplot is 5inches by 3inches. . The e size optionchanges this towhatever theuser
requests.BydefaulttheXandYsizesaretakentobeininches,butotherunitsarepossible(currentlyonly
cm).
If’rotate’is specied,rotatedtext,especiallyarotatedy-axislabel,ispossible(thepackagesgraphics or
graphicxareneeded). The’stacked’y-axislabelmechanismisthendeactivated.
Examples:Aboutlabelpositioning:Usegnuplotdefaults(mostlysensible,butsometimesnotreallybest):
set title ’\LaTeX\ -- $ \gamma $’
Forcecenteringbothhorizontallyandvertically:
set label ’{\LaTeX\ -- $ \gamma $}’ at 0,0
Specifyownpositioning(tophere):
set xlabel ’[t]{\LaTeX\ -- $ \gamma $}’
Theotherlabel{accountforlongticlabels:
set ylabel ’[r]{\LaTeX\ -- $ \gamma $\rule{7mm}{0pt}}’
Linux
Thelinuxdriverhasnoadditionaloptionstospecify. ItlooksattheenvironmentvariableGSVGAMODE
forthedefaultmode;ifnotset,ituses1024x768x256asdefaultmodeor,ifthatisnotpossible,640x480x16
(standardVGA).
Lua
TheluagenericterminaldriverworksinconjunctionwithanexternalLuascripttocreateatarget-specic
plotle. CurrentlytheonlysupportedtargetisTikZ->pd atex.
InformationaboutLuaisavailableathttp://www.lua.org.
Syntax:
set terminal lua <target name> | "<file name>"
{<script_args> ...}
{help}
A ’target name’or ’le name’(inquotes) for a script is mandatory. . If f a ’target name’for the script is
given,theterminalwilllookfor "gnuplot-<targetname>.lua"inthelocaldirectoryandonfailureinthe
environmentalvariableGNUPLOT
LUA
DIR.
Allargumentswillbeprovidedtotheselectedscriptforfurtherevaluation.E.g. ’settermluatikzhelp’will
causethescriptitselftoprintadditionalhelponoptionsandchoicesforthescript.
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