def gain(self):
"""Set and get the camera gain."""
prop = c_int()
self._ce(
vrm.VRmUsbCamGetPropertyValueI(self._handle, vrm.VRmPropId(4131),
byref(prop)))
return float(prop.value)
def exposure(self):
"""Set and get the camera exposure in ms."""
prop = c_float()
self._ce(
vrm.VRmUsbCamGetPropertyValueF(self._handle, vrm.VRmPropId(4097),
byref(prop)))
return float(prop.value)
def exposurebounds(self):
"""Get the camera exposure bounds in ms.
The method should return a tuple (min, max).
"""
prop_attr = vrm.VRmPropAttribsF()
self._ce(
vrm.VRmUsbCamGetPropertyAttribsF(self._handle, vrm.VRmPropId(4097),
byref(prop_attr)))
return (prop_attr.m_min, prop_attr.m_max)
def gainvals(self):
"""Get the possible camera gain values.
The method should return a tuple (g1, g2, ...).
"""
prop_attr = vrm.VRmPropAttribsI()
self._ce(
vrm.VRmUsbCamGetPropertyAttribsI(self._handle, vrm.VRmPropId(4131),
byref(prop_attr)))
return tuple(
np.arange(prop_attr.m_min, prop_attr.m_max + 1, prop_attr.m_step))
def gain(self, val):
self._ce(
vrm.VRmUsbCamSetPropertyValueI(self._handle, vrm.VRmPropId(4131),
byref(c_int(int(val)))))
def exposure(self, val):
self._ce(
vrm.VRmUsbCamSetPropertyValueF(self._handle, vrm.VRmPropId(4097),
byref(c_float(val))))