O'Reilly logo

gnuplot Cookbook by Lee Phillips

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Plotting with objects [new]

The latest version of gnuplot has some new commands for plotting with objects, which are geometrical shapes including rectangles, circles, ellipses, and polygons. In order to show off the flexibility of gnuplot's new object plotting commands, we have abused them in order to create something that is not part of gnuplot's normal repertoire: a pie chart. The following is a pie chart made using objects in gnuplot:

Plotting with objects [new]

How to do it…

Following is the dark magic that can coerce gnuplot to render the previous figure:

unset key unset tics set object 1 circle at graph .5,.5 size graph .25 fillcolor rgb 'blue' fillstyle solid \ arc [0:30] ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required