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55 lines
1.6 KiB
Python
55 lines
1.6 KiB
Python
# coding=utf-8
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class SpatialOrientation:
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'''Spatial Orientation facade.
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Computes the device's orientation based on the rotation matrix.
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.. versionadded:: 1.3.1
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'''
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@property
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def orientation(self):
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'''Property that returns values of the current device orientation
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as a (azimuth, pitch, roll) tuple.
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Azimuth, angle of rotation about the -z axis. This value represents the
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angle between the device's y axis and the magnetic north pole.
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The range of values is -π to π.
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Pitch, angle of rotation about the x axis. This value represents the
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angle between a plane parallel to the device's screen and a plane
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parallel to the ground.
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The range of values is -π to π.
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Roll, angle of rotation about the y axis. This value represents the
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angle between a plane perpendicular to the device's screen and a plane
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perpendicular to the ground.
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The range of values is -π/2 to π/2.
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Returns (None, None, None) if no data is currently available.
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Supported Platforms:: Android
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'''
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return self._get_orientation() or (None, None, None)
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def _get_orientation(self):
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raise NotImplementedError()
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def enable_listener(self):
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'''Enable the orientation sensor.
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'''
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self._enable_listener()
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def _enable_listener(self, **kwargs):
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raise NotImplementedError()
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def disable_listener(self):
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'''Disable the orientation sensor.
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'''
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self._disable_listener()
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def _disable_listener(self, **kwargs):
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raise NotImplementedError()
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