PSTricks pst-bezier

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••••••••••••••••••••••••••••••••••••••••••4 Things that donot work(‘known bugs’) 8The default value of the tension canbe set with theoption bcurveTension asin thefollowing example.31\pspicture[showgrid=true](5,3)2\psset{showpoints=true}23\psbcurve[linecolor=blue,linewidth=0.01](1,1)%4 (2,2)(3,1)(4,2)15\psbcurve[bcurveTension=0.5](1,1)%6 (2,2)(3,1)(4,2)07\endpspicture0 1 2 3 4 5You can set this option also with the help of the \psset macro. It is even possibleto change the value of bcurveTension in the middle of a \psbcurve. Just use themodifier T{t} for that purpose as shown in the following example.654321• • •• • •• • •• • •1\pspicture[showgrid=true](5,6)2\psset{showpoints=true}3\psbcurve[linecolor=blue,linewidth=0.01](1,1)%4 (2,2)(3,1)(4,2)(4,4)(3,5)%5 (2,4)(1,5)6\psbcurve(1,1)(2,2)(3,1)(4,2)%7 T{0.5}(4,4)(3,5)(2,4)(1,5)8\endpspicture00 1 2 3 4 5Certainly, you can use the T{t} modifier several times in one curve. (Try it foryourself.) Thelinestyle andfillstyle options (and several more) are respected by\psbcurve as the following example shows.32100 1 2 3 4 54 Things that do not work (‘known bugs’)1\pspicture[showgrid=true](5,3)2\psbcurve[linestyle=dashed,3 linewidth=3pt,4 dash=0.5 0.2,5 fillstyle=solid,6 fillcolor=blue](1,1)(2,2)(3,1)(4,2)7\endpspictureAs already mentioned this project is something like an experiment. So, there aremany things that do not work.• new lines inside the argument list are not ignored.• Thecontrolpointsarecomputedinarathercrudeway(seeabove). Thecurvatureoption is not recognised.
References 9• If fillstyle is set to solid and showpoints=true then the fill color covers theinterpolation and control points.• arrow heads do not work.5 List of all optional arguments for pst-bezierKey Type DefaultbcurveTension ordinary 0.25References[1] Michel Goosens, Frank Mittelbach, Serbastian Rahtz, Denis Roegel, and HerbertVoß. The L A T E X Graphics Companion. Addison-Wesley Publishing Company,Reading, Mass., 2nd edition, 2007.[2] Laura E. Jacksonand Herbert Voß. Die Plot-Funktionen von pst-plot. DieT E Xnische Komödie, 2/02:27–34, June 2002.[3] Nikolai G. Kollock. PostScript richtig eingesetzt: vom Konzept zum praktischenEinsatz. IWT, Vaterstetten, 1989.[4] Herbert Voß. Die mathematischenFunktionen von Postscript. Die T E XnischeKomödie, 1/02:40–47, March 2002.[5] Herbert Voss. PSTricks Support for pdf. http://PSTricks.de/pdf/pdfoutput.phtml, 2002.[6] Herbert Voß. PSTricks – Grafik für T E X und L A T E X. DANTE/LehmannsMedia,Heidelberg/Berlin, 5. edition, 2008.[7] Herbert Voß. Mathematik mit L A T E X. DANTE/LehmannsMedia,Heidelberg/Berlin, 2009.[8] Michael Wiedmann and Peter Karp. References for T E X and Friends. http://www.miwie.org/tex-refs/, 2003.[9] Timothy Van Zandt. PSTricks - PostScript macros for Generic TeX. http://www.tug.org/application/PSTricks, 1993.
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