graphics with PSTric..

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Custom Graphics32Simple customizationHigher level customization100 1 2 3 4As the previous examples show, tweaking the liftpen values is of no usehere, since in all these the curves are connected, one way or the other. Let’sfirst list what we want to do:1. Draw the first curve2. Give instructions to draw thesecond curve, with liftpen=1,without actually stroking it,and instructions to fill the regionbetween the curves3. Draw the the second curvewith liftpen=2, but no filling.We know how to do Steps 1 and 3 above; it’s Step 2 that is tricky; we usethe pair of commands \gsave...\grestore to do the job. Let’s see them inaction:Online L A TEX TutorialPart II – GraphicsPSTricksE Krishnan, CV Radhakrishnan and AJ Alexconstitute the graphics tutorial team. Commentsand suggestions may be mailed totutorialteam@tug.org.inc○2004, The Indian TEX Users GroupThis document is generated by PDFTEX withhyperref, pstricks, pdftricks and pdfscreenpackages in an intel PC running GNU/LINUXand is released under LPPLThe Indian TEX Users GroupFloor III, SJP Buildings, Cotton HillsTrivandrum 695014, INDIAhttp://www.tug.org.in 17/23
Custom Graphics\begin{pspicture}(0,-1)(4,3)\colgrid(0,0)(4,3)\pscustom[linecolor=Blue]{%\pscurve(0.5,2)(1,1.75)(1.5,2)(2,2.5)%(2.5,2.75)(3,2.6)(3.5,2.25)\gsave\pscurve[liftpen=1]%(3.5,0.75)(3,0.4)(2.5,0.25)%(2,0.5)(1.5,1)(1,1.25)(0.5,1)\fill[fillstyle=solid,%fillcolor=Cyan]\grestore\pscurve[liftpen=2]%(3.5,0.75)(3,0.4)(2.5,0.25)%(2,0.5)(1.5,1)(1,1.25)(0.5,1)}\end{pspicture}32100 1 2 3 4Simple customizationHigher level customizationOnline L A TEX TutorialPart II – GraphicsPSTricksAs can be seen from this code, the implementation of Step 2 is done withinthe \gsave...\grestore command. We’ve noted that POSTSCRIPT strokes orfills a path only on explicit instructions to do so and \pscustom automaticallystrokes or fills a path at the end. Within the commands \gsave...\grestorehowever, \pscustom does not stroke or fill a path, unless told. (In POSTSCRIPT,the command gsave saves the current graphics state, such as the current path,current point, color, linewidth and so on to a stack and grestore restores thesaved state.) Thus in the example above, the code within this command pairdoes exactly what we want to do in Step 2 above.Here’s another example using \gsave...\grestoreE Krishnan, CV Radhakrishnan and AJ Alexconstitute the graphics tutorial team. Commentsand suggestions may be mailed totutorialteam@tug.org.inc○2004, The Indian TEX Users GroupThis document is generated by PDFTEX withhyperref, pstricks, pdftricks and pdfscreenpackages in an intel PC running GNU/LINUXand is released under LPPLThe Indian TEX Users GroupFloor III, SJP Buildings, Cotton HillsTrivandrum 695014, INDIAhttp://www.tug.org.in 18/23
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Graphics with PSTricksGetting the p
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1.1. Getting the pointsAny picture
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Graphics with PSTricksThe PSTricks
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Graphics with PSTricksillustrated i
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Graphics with PSTricks\begin{pspict
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Graphics with PSTricks100 1 2In thi
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1.4. Ends of LinesLines can be prov
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parameter value descriptiondotsize
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Graphics with PSTricksThe default v
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1.5. Bent Lines and PolygonsAs in t
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“filled up” polygon. For exampl
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1.6. Simple CurvesCircles, ellipses
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321030 ◦ 60 ◦Graphics with PSTr
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Graphics with PSTricksAnother curve
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Ordinary colorsMore colorsFill—in
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Colorful TricksOrdinary colorsMore
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\begin{pspicture}(0,0)(3,3)\psframe
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NAME CMYK COLOR NAME CMYK COLORGree
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2.4. Custom colorsIf you are not sa
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2.5. From one color to anotherThere
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\begin{center}\definecolor{myblue}{
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\pscircle[linestyle=none,%linewidth
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Borderline TricksDouble boundaryIns
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3.1. Double boundaryIn the first ch
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doublesep=5pt,%doublecolor=Blue]%(1
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Borderline TricksDouble boundaryIns
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3.3. Borders—visible or invisible
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3.4. ShadowsAn object can be given
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\begin{pspicture}(0,0)(3.5,3.5)\psp
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A “closed” curve joining specif
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4.2. Invisible endsthere’s a thir
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Curvy Tricks543543Open and closed c
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Curvy Tricks55Open and closed curve
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value of 0 for the third number in
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Curvy Tricks4.4. A new curveAnother
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This point, which we denote by z 12
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5. More on CoordinatesCoordinate gr
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example:\psgrid(2,3)(1,2)(5,4)431 2
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More on Coordinatesparameter meanin
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Instead of scaling by the same amou
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5.3. Another type of coordinatesThe
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\definecolor{PaleApricot}{cmyk}{0,0
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\begin{pspicture}(0,-0.5)(6,3.5)\Sp
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such that the required point has x-
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5.5. Changing the systemIn drawing
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\begin{pspicture}(0,0)(4,4)\pspolyg
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Appendix—Math in PostScriptWe’v
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Placing ThingsPlacing and rotating
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Placing Things6.1. Placing and rota
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Placing Things\begin{pspicture}(0,1
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Placing Things98Placing and rotatin
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BASELINEheightwidthbydepthBASELINEP
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Placing ThingsFor vertically shifti
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Placing Things\definecolor{PaleApri
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Placing Thingsangle letter meaning
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Placing ThingsCPlacing and rotating
Page 131 and 132: We show below The positions of the
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Page 135 and 136: Plotting TricksFunction plottingAxe
Page 137 and 138: 7.1. Function plottingFor a mathema
Page 139 and 140: Plotting Tricks\begin{pspicture}(-2
Page 141 and 142: Plotting Tricks\psset{unit=0.5}\beg
Page 143 and 144: 7.2. Axes of coordinatesOften in ma
Page 145 and 146: Plotting Tricks323(3,2)•Function
Page 147 and 148: We have included a background grid
Page 151 and 152: \begin{pspicture}(-3,-3)(3,3)\psaxe
Page 155 and 156: Note that the entries in the first
Page 157 and 158: Plotting Tricks\psset{unit=0.66}\re
Page 159 and 160: 7.3. Data plottingThe command \pspl
Page 161 and 162: Plotting Tricks\begin{pspicture}(0,
Page 163 and 164: The last command we describe for da
Page 165 and 166: Plotting Tricks\savedata{\dirdata}[
Page 167 and 168: Simple customizationHigher level cu
Page 169 and 170: we can use \colgrid every time we n
Page 171 and 172: 8.2. Higher level customizationApar
Page 173 and 174: Let’s now take a closer look at t
Page 175 and 176: this is the state we are in:Custom
Page 177 and 178: Custom Graphics\psset{unit=1.5cm}\b
Page 179 and 180: treating the current point as the f
Page 181: Custom Graphics\begin{pspicture}(-2
Page 185 and 186: Custom Graphics\renewcommand{\pshla
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