| abstractbarchartitem.cpp |
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| abstractbarchartitem_p.h |
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3187 |
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| bar.cpp |
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| bar_p.h |
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| horizontal |
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| qabstractbarseries.cpp |
!
\class QAbstractBarSeries
\inmodule QtCharts
\brief The QAbstractBarSeries class is an abstract parent class for all bar series classes.
In bar charts, bars are defined as bar sets that contain one data value for each category.
The position of a bar is specified by the category and its height by the data value. Bar
series that contain multiple bar sets group together bars that belong to the same category.
The way the bars are displayed is determined by the subclass of this class chosen to create
the bar chart.
If a QValueAxis is used instead of QBarCategoryAxis for the main bar axis, the bars are
grouped around the index value of the category.
See the \l {Charts with Widgets Gallery} to learn how to use the QBarSeries class to create a simple bar chart.
\image examples_barchart.png {Vertical bar chart grouping monthly values
for five people from January to June}
\sa QBarSet, QBarSeries, QStackedBarSeries, QPercentBarSeries
\sa QHorizontalBarSeries, QHorizontalStackedBarSeries, QHorizontalPercentBarSeries
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| qabstractbarseries.h |
|
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| qabstractbarseries_p.h |
|
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| qbarmodelmapper.cpp |
!
\class QBarModelMapper
\inmodule QtCharts
\brief The QBarModelMapper class is the base class for model mapper classes.
\internal
Model mappers enable using a data model derived from the QAbstractItemModel class
as a data source for a chart.
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| qbarmodelmapper.h |
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| qbarmodelmapper_p.h |
|
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| qbarset.cpp |
!
\class QBarSet
\inmodule QtCharts
\brief The QBarSet class represents one set of bars in a bar chart.
A bar set contains one data value for each category. The first value of a set is assumed to
belong to the first category, the second one to the second category, and so on. If the set has
fewer values than there are categories, the missing values are assumed to be located at the end
of the set. For missing values in the middle of a set, the numerical value of zero is used.
Labels for zero value sets are not shown.
\sa QAbstractBarSeries, QBarSeries, QStackedBarSeries, QPercentBarSeries
\sa QHorizontalBarSeries, QHorizontalStackedBarSeries, QHorizontalPercentBarSeries
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| qbarset.h |
|
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| qbarset_p.h |
|
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| qhbarmodelmapper.cpp |
!
\class QHBarModelMapper
\inmodule QtCharts
\brief The QHBarModelMapper class is a horizontal model mapper for bar series.
Model mappers enable using a data model derived from the QAbstractItemModel class
as a data source for a chart. A horizontal model mapper is used to create a connection
between a data model and QAbstractBarSeries, so that each row in the data model
defines a bar set and each column maps to a category in a bar series.
Both model and bar series properties can be used to manipulate the data. The model mapper
keeps the bar series and the data model in sync.
The model mapper ensures that all the bar sets in the bar series have equal sizes.
Therefore, adding or removing a value from a bar set causes the same change to be
made in all the bar sets in the bar series.
\sa QVBarModelMapper
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| qhbarmodelmapper.h |
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| qvbarmodelmapper.cpp |
!
\class QVBarModelMapper
\inmodule QtCharts
\brief The QVBarModelMapper class is a vertical model mapper for bar series.
Model mappers enable using a data model derived from the QAbstractItemModel class
as a data source for a chart. A vertical model mapper is used to create a connection
between a data model and QAbstractBarSeries, so that each column in the data model
defines a bar set and each row maps to a category in a bar series.
Both model and bar series properties can be used to manipulate the data. The model mapper
keeps the bar series and the data model in sync.
The model mapper ensures that all the bar sets in the bar series have equal sizes.
Therefore, adding or removing a value from a bar set causes the same change to be
made in all the bar sets in the bar series.
For more information, see \l{Charts with Widgets Gallery}.
\sa QHBarModelMapper
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| qvbarmodelmapper.h |
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| vertical |
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