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+/****************************************************************************
+**
+** Copyright (C) 2019 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of Qt 3D Studio.
+**
+** $QT_BEGIN_LICENSE:FDL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** 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
+** Alternatively, this file may be used under the terms of the GNU Free
+** Documentation License version 1.3 as published by the Free Software
+** Foundation and appearing in the file included in the packaging of
+** this file. Please review the following information to ensure
+** the GNU Free Documentation License version 1.3 requirements
+** will be met: https://www.gnu.org/licenses/fdl-1.3.html.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+/*!
+
+\title Distortion Sphere
+\page distortion-sphere.html
+\ingroup qt3dstudio-best-practices
+
+The distorion sphere effect creates a 3D effect of wrapping the scene around a spherical shape.
+
+\image effects-distortion-sphere.png
+
+\section1 Properties
+
+\table
+  \header
+    \li Property
+    \li Description
+  \row
+    \li
+      Radius
+    \li
+      The size of the distorted area.
+  \row
+    \li
+      Height
+    \li
+      The amount of distortion.
+  \row
+    \li
+      Center
+    \li
+      The center of the effect. \c 0.5 and \c 0.5 is the center of the layer while \c 1.0 and \c 1.0
+      is the upper right corner of the layer.
+\endtable
+
+*/