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| R2012a Documentation → Symbolic Math Toolbox | |
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Title sets the title of an object to be displayed in the graphics.
Titles is a list of titles for parts of an object, e.g., the pieces of a pie chart.
|
Attribute |
Type |
Value |
See Also:
TitleAlignment, TitleFont, TitlePosition
Details:
Using Title, any graphical object can be given a title that will be displayed at the position given by the TitlePosition attribute.
The Title can additionally be horizontically aligned at the TitlePosition via TitleAlignment.
The object attribute Visible also affects the object's title: Invisible objects do not show their titles.
Titles is used to set a number of titles for sub-objects, such as the bars of a bar plot or the segments of a pie chart. These do not react to TitlePosition.
Title and Titles cannot be animated. But note that TitlePosition can.
Example 1
The default positioning of a title relative to TitlePosition is to have the lower left corner of the title at this place:
plot(plot::Point2d(1, 1, Title = "Test",
TitlePosition = [1, 1]))
This position depends on the title alignment:
plot(plot::Point2d(1, 1, Title = "Test",
TitlePosition = [1, 1],
TitleAlignment = Left))
Example 2
In 3D, titles have so-called “bill-boarding”: Instead of having a fixed orientation, they are always drawn in a readable orientation and their sizes are not affected by zooming and perspective scaling:
plot(plot::Point3d(1, 1, 1,
Title = "Nr. 1",
TitlePosition = [1, 1, 1]),
plot::Point3d(2, 20, 2,
Title = "Nr. 2",
TitlePosition = [2, 20, 2]),
plot::Point3d(10, 10, 10,
Title = "Nr. 3",
TitlePosition = [10, 10, 10]),
TitleFont = [30])
Example 3
Titles of invisible objects are invisible themselves. This also applies to objects that are temporarily invisible:
plot(plot::Point2d(i, i,
Title = expr2text(i), TitlePosition = [i+1/10, i],
VisibleAfter = i) $ i = 1..5,
TimeRange = 0..5,
ViewingBox = [0..5, 0..5])
Example 4
Use Titles to label individual parts of statistical plots such as pie charts:
plot(plot::Piechart2d([3267, 2629, 4970, 18094,
4189, 1236, 4003, 297],
Titles = ["<= 1900", "1901-1918",
"1919-1948", "1949-1978",
"1979-1986", "1987-1990",
"1991-2000", ">= 2001"]))
Note that pie charts with many pies are in general tricky to label nicely:
p := plot::Piechart3d([10601, 12330, 3388, 2593, 660, 1726,
6078, 1760, 7956, 18052, 4049, 1066,
4384, 2581, 2804, 2411],
Titles = ["Baden-Württemberg", "Bayern", "Berlin",
"Brandenburg", "Bremen",
"Hamburg", "Hessen",
"Mecklenburg-Vorpommern",
"Niedersachsen", "Nordrhein-Westfalen",
"Rheinland-Pfalz", "Saarland", "Sachsen",
"Sachsen-Anhalt", "Schleswig-Holstein",
"Thüringen"]):
plot(p, Header = "Einwohner 2001")
p::Moves := [0.3]:
plot(p, Header = "Einwohner 2001")
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