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-/****************************************************************************
-**
-** Copyright (C) 2016 The Qt Company Ltd.
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of the documentation of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:FDL$
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-** accordance with the commercial license agreement provided with the
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-** and conditions see https://www.qt.io/terms-conditions. For further
-** information use the contact form at https://www.qt.io/contact-us.
-**
-** GNU Free Documentation License Usage
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-** Documentation License version 1.3 as published by the Free Software
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-** this file. Please review the following information to ensure
-** the GNU Free Documentation License version 1.3 requirements
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-****************************************************************************/
-
-/*!
-    \example qmlaxisdrag
-    \title Qt Quick 2 Axis Dragging Example
-    \ingroup qtdatavisualization_examples
-    \brief Implementing axis dragging in QML.
-    \since QtDataVisualization 1.1
-
-    The Qt Quick 2 axis dragging example concentrates on showing how to implement axis range
-    changing by dragging axis labels in QML. It also gives a quick peek to two other new features
-    in Qt Data Visualization 1.1: orthographic projection and dynamic custom item handling.
-
-    \image qmlaxisdrag-example.png
-
-    \include examples-run.qdocinc
-
-    \section1 Overriding Default Input Handling
-
-    First we deactivate the default input handling mechanism by setting the active input handler
-    of Scatter3D graph to \c{null}:
-
-    \snippet qmlaxisdrag/qml/qmlaxisdrag/main.qml 0
-    \dots
-
-    Then we add a MouseArea and set it to fill the parent, which is the same \c Item our
-    \c scatterGraph is contained in. We also set it to accept only left mouse button presses,
-    as in this example we are not interested in other buttons:
-
-    \snippet qmlaxisdrag/qml/qmlaxisdrag/main.qml 1
-    \dots
-
-    Then we need to listen to mouse presses, and when caught, send a selection query to the graph:
-
-    \snippet qmlaxisdrag/qml/qmlaxisdrag/main.qml 2
-
-    Current mouse position, that will be needed for move distance calculation, is caught in
-    \c{onPositionChanged}:
-
-    \snippet qmlaxisdrag/qml/qmlaxisdrag/main.qml 3
-    \dots
-
-    At the end of \c{onPositionChanged}, we'll save the previous mouse position for move distance
-    calculation that will be introduced later:
-
-    \dots 0
-    \snippet qmlaxisdrag/qml/qmlaxisdrag/main.qml 4
-
-    \section1 Translating Mouse Movement to Axis Range Change
-
-    in \c scatterGraph we will need to listen to \c onSelectedElementChanged signal. The signal
-    is emitted after the selection query has been made in the \c{onPressed} of \c{inputArea}. We
-    set the element type into a property we defined (\c{property int selectedAxisLabel: -1}) in our
-    main component, since it is of a type we are interested in:
-
-    \snippet qmlaxisdrag/qml/qmlaxisdrag/main.qml 5
-
-    Then, back in the \c onPositionChanged of \c{inputArea}, we check if a mouse button is pressed
-    and if we have a current axis label selection. If the conditions are met, we'll call the
-    function that does the conversion from mouse movement to axis range update:
-
-    \dots 0
-    \snippet qmlaxisdrag/qml/qmlaxisdrag/main.qml 6
-    \dots 0
-
-    The conversion is easy in this case, as we have a fixed camera rotation. We can use some
-    precalculated values, calculate mouse move distance, and apply the values to the
-    selected axis range:
-
-    \snippet qmlaxisdrag/qml/qmlaxisdrag/main.qml 7
-
-    For a more sophisticated conversion from mouse movement to axis range update, see
-    \l{Axis Range Dragging With Labels Example}{this example}.
-
-    \section1 Other Features
-
-    The example also demonstrates how to use orthographic projection and how to update properties
-    of a custom item on the fly.
-
-    Orthographic projection is very simple. You'll just need to change \c orthoProjection property
-    of \c{scatterGraph}. In this example we have a button for toggling it on and off:
-
-    \snippet qmlaxisdrag/qml/qmlaxisdrag/main.qml 8
-
-    For custom items, first we'll add one in the \c customItemList of \c{scatterGraph}:
-
-    \snippet qmlaxisdrag/qml/qmlaxisdrag/main.qml 9
-
-    We have implemented a timer to add, remove, and rotate all the items in the graph,
-    and we'll use the same timer for rotating the custom item:
-
-    \snippet qmlaxisdrag/qml/qmlaxisdrag/main.qml 10
-    \dots
-
-    \section1 Example Contents
-*/