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diff --git a/src/datavis3d/data/qscatterdataproxy.h b/src/datavis3d/data/qscatterdataproxy.h
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+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc
+** All rights reserved.
+** For any questions to Digia, please use contact form at http://qt.digia.com
+**
+** This file is part of the QtDataVis3D module.
+**
+** Licensees holding valid Qt Enterprise licenses may use this file in
+** accordance with the Qt Enterprise License Agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.
+**
+** If you have questions regarding the use of this file, please use
+** contact form at http://qt.digia.com
+**
+****************************************************************************/
+
+#ifndef QSCATTERDATAPROXY_H
+#define QSCATTERDATAPROXY_H
+
+#include <QtDataVis3D/qabstractdataproxy.h>
+#include <QtDataVis3D/qscatterdataitem.h>
+
+QT_DATAVIS3D_BEGIN_NAMESPACE
+
+typedef QVector<QScatterDataItem> QScatterDataArray;
+
+class QScatterDataProxyPrivate;
+
+class QT_DATAVIS3D_EXPORT QScatterDataProxy : public QAbstractDataProxy
+{
+    Q_OBJECT
+
+public:
+    explicit QScatterDataProxy();
+    explicit QScatterDataProxy(QScatterDataProxyPrivate *d);
+    virtual ~QScatterDataProxy();
+
+    // QScatterDataProxy is optimized to use cases where the only defining characteristics of an
+    // individual scatter item are it's position and size. Modifying other data that might be
+    // added in the future such as color requires allocating additional data object for the bar.
+
+    // Item pointers are guaranteed to be valid only until next call that modifies data.
+    // Array pointer is guaranteed to be valid for lifetime of proxy.
+    int itemCount() const;
+    const QScatterDataArray *array() const;
+    const QScatterDataItem *itemAt(int index) const;
+
+    // Clears the existing array and takes ownership of the new array.
+    // Passing null array clears all data.
+    void resetArray(QScatterDataArray *newArray);
+
+    // Change existing items
+    void setItem(int index, const QScatterDataItem &item);
+    void setItems(int index, const QScatterDataArray &items);
+
+    int addItem(const QScatterDataItem &item); // returns the index of added item
+    int addItems(const QScatterDataArray &items); // returns the index of first added item
+
+    // If index is equal to data array size, item(s) are added to the array.
+    void insertItem(int index, const QScatterDataItem &item);
+    void insertItems(int index, const QScatterDataArray &items);
+
+    // Attempting to remove items past the end of the array does nothing.
+    void removeItems(int index, int removeCount);
+
+signals:
+    void arrayReset();
+    void itemsAdded(int startIndex, int count);
+    void itemsChanged(int startIndex, int count);
+    void itemsRemoved(int startIndex, int count); // Index may be over current array size if removed from end
+    void itemsInserted(int startIndex, int count);
+
+protected:
+    QScatterDataProxyPrivate *dptr();
+    const QScatterDataProxyPrivate *dptrc() const;
+
+private:
+    Q_DISABLE_COPY(QScatterDataProxy)
+
+    friend class Scatter3DController;
+};
+
+QT_DATAVIS3D_END_NAMESPACE
+
+#endif