[pstricks] A little help deciphering code and a question

Scott, Randy Scott_Randy at sccollege.edu
Fri May 2 17:40:04 CEST 2014


Good Morning from Southern California,

Thanks for your suggestion Herbert. I've been playing with this code quite a bit and have another question. (I'll get more familiar with the new psxTicks and psyTicks when I have more time.)

In the output for the following code, the blue fill appears to the left of the y-axis. I suspect this is because a Bezier curve is being generated as part of the boundary, but I haven't been able to figure out a fix. I tried liftpen=0 and 1 and 2 but that resulted in no output.

Any insight would be appreciated.

Randy Scott
Santiago Canyon College
Orange, CA


\begin{pspicture}(-1,-1)(10,8)
	\psset{xunit=2 ,yunit=0.6}
	\psset{algebraic,plotstyle=curve}
	
	\definecolor{SuperLightBlue}{cmyk}{0.2,0,0,0}
	\pscustom[fillstyle=solid,fillcolor=SuperLightBlue,
      linestyle=none]
    {
      \psplot{0}{0}{2}
      \psplot{0}{2}{0.25*x^2+1}
    }
    
    \psaxes[labels=none, ticks=none, linewidth=0.25pt](0,0)(4.5,8.25)
		[\footnotesize $q$ \textsf{(quantity)}, 90]
		[\footnotesize $p$ \textsf{(price/unit)}, 90]
		
	\psplot[linecolor=blue]{0}{4}{0.5*(x-4)^2}
	\psplot[linecolor=blue]{0}{4}{0.25*x^2+1}
	
	\psline[linestyle=dotted](2,0)(2,2)
	\psline[linestyle=dotted](0,2)(2,2)
	
	\rput(1.3,6.25){\rnode{A}{\footnotesize \textsf{Producer Surplus}}}
	\pnode(0.5,1.35){B}
	\nccurve[angleA=180, angleB=135]{->}{A}{B}
	
	\rput[r](-0.05,1){\footnotesize $p_0$}
	\rput[r](-0.05,2){\footnotesize $p*$}
	\rput[r](-0.05,8){\footnotesize $p_1$}
	\rput[t](2,-0.1){\footnotesize $q*$}
	\rput[t](4,-0.1){\footnotesize $q_1$}
	\rput(3.3,3){\footnotesize \textsf{Supply}}
	\rput(1.5,4.25){\footnotesize\textsf{Demand}}
\end{pspicture}



-----Original Message-----
From: PSTricks on behalf of Herbert Voss
Sent: Thu 5/1/2014 11:15 PM
To: Graphics with PSTricks
Subject: Re: [pstricks] A little help deciphering code and a question
 

Scott, Randy schrieb:

> I am modifying a graph that I borrowed from a colleague. I hope some of
> you might be able to help me figure out the following questions I have.
>
> 1. What is the purpose of
>
> \makebox(0,0)[cc]{\footnotesize{$p_0$}}

that maeks no sense here. Also the \put commands. Use \rput instead:


 \documentclass{article}
\usepackage[pdf]{pstricks}
\usepackage{pst-plot}

\begin{document}
\begin{pspicture}(10,8)
\psset{xunit=2,yunit=0.75}
\psaxes[labels=none, ticks=none](0,0)(4.75,8.25)[$q$
\textsf{(quantity)},90][$p$ \textsf{(price/unit)},90]

\psset{algebraic,plotstyle=curve}
\psplot[linecolor=blue]{0}{4}{0.5*(x-4)^2}
\psplot[linecolor=blue]{0}{4}{0.25*x^2+1}

\psline[linestyle=dotted](2,0)(2,2)
\psline[linestyle=dotted](0,2)(2,2)

\psyTick(0.75){\scriptstyle p_0}
\psyTick(1.5){\scriptstyle p*}
\psyTick(6){\scriptstyle p_1}
\psxTick(4){\scriptstyle q*}
\psxTick(7.75){\scriptstyle q_1}
\rput(3.2,3){\footnotesize\textsf{Supply}}
\rput(1.8,4.25){\footnotesize\textsf{Demand}}
\end{pspicture}

\end{document}


Herbert



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