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Add Polar chart support...
Add Polar chart support This commit also heavily refactors things as polar chart needs separate implementation of various classes that previously only needed one, such as ChartAxis and ChartLayout. Task-number: QTRD-1757 Change-Id: I3d3db23920314987ceef3ae92879960b833b7136 Reviewed-by: Miikka Heikkinen <miikka.heikkinen@digia.com>
Mika Salmela - - Load All Authors

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/*!
\example examples/logvalueaxis
\title Logarithmic axis example
\subtitle
The example shows how to use QLogValueAxis.
\image examples_logvalueaxis.png
Create QLineSeries instance and add some data to it.
\snippet ../examples/logvalueaxis/main.cpp 1
To present the data on the chart we need QChart instance. Add the series to it, hide the legend and set the title of the chart.
\snippet ../examples/logvalueaxis/main.cpp 2
Create the axes. Add them to the chart and attach to the series.
\snippet ../examples/logvalueaxis/main.cpp 3
Then create a QChartView object with QChart as a parameter. Enable antialiasing to have the rendered line look nicer.
\snippet ../examples/logvalueaxis/main.cpp 4
Chart is ready to be shown.
\snippet ../examples/logvalueaxis/main.cpp 5
*/