An Elementary Introduction to the Wolfram Language
37Layout and Display
Earlier we saw how to use Framed to add a frame when one displays something.
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Specify a background color and a frame style:
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Labeled lets you make things be labeled.
Add a label to the framed number:
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This adds a label to a number styled with a yellow background:
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You can use Labeled in graphics as well.
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Labeled indicates something by putting a label right next to it. Its often nice instead to use callouts, that have little lines pointing to whatever theyre referring to. You can do this by using Callout rather than Labeled.
Callout creates callouts with little lines:
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There are all sorts of ways to annotate graphics. Style directly inserts styling. Tooltip generates interactive tooltips that show themselves when the mouse hovers over them. Legended puts labels into a legend on the side.
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In ListPlot, annotations specified by rules are implemented with callouts:
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In PieChart, strings are assumed to be labels, and colors to be styles:
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Display a list of objects in a row:
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Display objects in a column:
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Use GraphicsRow, GraphicsColumn and GraphicsGrid to arrange objects to fit in a certain overall size.
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37.1Make a list of numbers up to 100, with even numbers on yellow and odd numbers on light gray. »
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37.2Make a list of numbers up to 100, with primes framed. »
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37.3Make a list of numbers up to 100, with primes framed and labeled in light gray with their values modulo 4. »
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37.4Create a 3×6 GraphicsGrid of randomly colored disks. »
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37.5Make a pie chart of the GDPs of the countries in the G5, labeling each wedge. »
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37.6Make a pie chart of the populations of the countries in the G5, giving a legend for each wedge. »
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37.7Make a 5×5 GraphicsGrid of pie charts that give the relative frequencies of digits in 2^n with n starting at 1. »
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Yes. Use an option like RoundingRadius0.2.
What kinds of things can be in a label?
Anything you want. A label can be text or a graphic or, for that matter, a whole notebook.
Can I use Labeled to put labels in places other than at the bottom?
Yes. Use e.g. Labeled[expr, label, Left] or Labeled[expr, label, Right].
Yes. ListAnimate creates an animation. Constructs from Tooltip to Manipulate can be used to set up dynamic visualizations.
 
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