3

I'd like to label some level curves with values that are superimposed over the level curves, creating white space around the labels so that the underlying curves appear "broken". I figured a simple \mbox would work, but the curves pass right through .

\documentclass{article}

\begin{document}

\setlength{\unitlength}{1in}
\begin{picture}(0,0)(0,0)
\qbezier(0,0)(.5,-.5)(1,0)
\put(.45,-.3){\makebox{-8}}
\end{picture}

\end{document}

Thanks for your suggestions.

1 Answer 1

2

You need to add color to the background of the box, with the \colorbox macro from the xcolor package.

\documentclass{article}
\usepackage{xcolor}

\begin{document}

\setlength{\unitlength}{1in}
\begin{picture}(0,0)(0,0)
\qbezier(0,0)(.5,-.5)(1,0)
\put(.45,-.3){\colorbox{white}{-8}}
\end{picture}

\end{document}

enter image description here

6
  • I added the xcolor package to my MikTeX installation, and ran the suggested code. It compiled fine, but appears exactly as it did with \makebox. Am I doing something wrong? Aug 29, 2013 at 21:05
  • @user35910 I edited my result to show the figure that my LaTeX produces. Is that not what you get? Did you change the \makebox{-8} to \colorbox{white}{-8} Aug 29, 2013 at 21:08
  • I don't see the figure on this page, I'm sorry. I copied your code directly into a new latex document, and compiled. The image appears the same as it did with \makebox. The level curve passes through the -8. Aug 29, 2013 at 21:16
  • @user35910 Oops. It's there now. Aug 29, 2013 at 21:21
  • 1
    I get it now! I needed to set my Yap rendering method to Dvips rather than Pk. Your solution is perfect. Thank you, Steven. Aug 29, 2013 at 22:00

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