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diff --git a/silx/gui/plot3d/actions/viewpoint.py b/silx/gui/plot3d/actions/viewpoint.py
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+++ b/silx/gui/plot3d/actions/viewpoint.py
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+# coding: utf-8
+# /*##########################################################################
+#
+# Copyright (c) 2017 European Synchrotron Radiation Facility
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+# THE SOFTWARE.
+#
+# ###########################################################################*/
+"""This module provides Plot3DAction controlling the viewpoint.
+
+It provides QAction to rotate or pan a Plot3DWidget.
+"""
+
+from __future__ import absolute_import, division
+
+__authors__ = ["T. Vincent"]
+__license__ = "MIT"
+__date__ = "03/10/2017"
+
+
+import time
+import logging
+
+from silx.gui import qt
+from silx.gui.icons import getQIcon
+from .Plot3DAction import Plot3DAction
+
+
+_logger = logging.getLogger(__name__)
+
+
+class RotateViewport(Plot3DAction):
+    """QAction to rotate the scene of a Plot3DWidget
+
+    :param parent: See :class:`QAction`
+    :param Plot3DWidget plot3d: Plot3DWidget the action is associated with
+    """
+
+    _TIMEOUT_MS = 50
+    """Time interval between to frames (in milliseconds)"""
+
+    _DEGREE_PER_SECONDS = 360. / 5.
+    """Rotation speed of the animation"""
+
+    def __init__(self, parent, plot3d=None):
+        super(RotateViewport, self).__init__(parent, plot3d)
+
+        self._previousTime = None
+
+        self._timer = qt.QTimer(self)
+        self._timer.setInterval(self._TIMEOUT_MS)  # 20fps
+        self._timer.timeout.connect(self._rotate)
+
+        self.setIcon(getQIcon('cube-rotate'))
+        self.setText('Rotate scene')
+        self.setToolTip('Rotate the 3D scene around the vertical axis')
+        self.setCheckable(True)
+        self.triggered[bool].connect(self._triggered)
+
+
+    def _triggered(self, checked=False):
+        plot3d = self.getPlot3DWidget()
+        if plot3d is None:
+            _logger.error(
+                'Cannot start/stop rotation, no associated Plot3DWidget')
+        elif checked:
+            self._previousTime = time.time()
+            self._timer.start()
+        else:
+            self._timer.stop()
+            self._previousTime = None
+
+    def _rotate(self):
+        """Perform a step of the rotation"""
+        if self._previousTime is None:
+            _logger.error('Previous time not set!')
+            angleStep = 0.
+        else:
+            angleStep = self._DEGREE_PER_SECONDS * (time.time() - self._previousTime)
+
+        self.getPlot3DWidget().viewport.orbitCamera('left', angleStep)
+        self._previousTime = time.time()