def put_image(
self,
pvname,
image_array: np.ndarray = None,
x_min: float = None,
x_max: float = None,
y_min: float = None,
y_max: float = None,
timeout: float = 1.0,
) -> None:
"""Assign the value of a image process variable. Allows updates to individual attributes.
Args:
pvname (str): Name of the process variable
image_array (np.ndarray): Value to assing to process variable.
x_min (float): Minimum x value
x_max (float): Maximum x value
y_min (float): Minimum y value
y_max (float): Maximum y value
timeout (float): Operation timeout in seconds
"""
self._set_up_pv_monitor(pvname)
# allow no puts before a value has been collected
registered = self.get_image(pvname)
# if the value is registered
if registered is not None:
if self._protocol == "ca":
if image_array is not None:
self._pv_registry[f"{pvname}:ArrayData_RBV"]["pv"].put(
image_array.flatten(), timeout=timeout)
if x_min:
self._pv_registry[f"{pvname}:MinX_RBV"]["pv"].put(
x_min, timeout=timeout)
if x_max:
self._pv_registry[f"{pvname}:MaxX_RBV"]["pv"].put(
x_max, timeout=timeout)
if y_min:
self._pv_registry[f"{pvname}:MinY_RBV"]["pv"].put(
y_min, timeout=timeout)
if y_max:
self._pv_registry[f"{pvname}:MaxY_RBV"]["pv"].put(
y_max, timeout=timeout)
elif self._protocol == "pva":
# compose normative type
pv = self._pv_registry[pvname]
pv_array = pv["value"]
if image_array:
image_array.attrib = pv_array.attrib
else:
image_array = pv_array
if x_min:
image_array.attrib.x_min = x_min
if x_max:
image_array.attrib.x_max = x_max
if y_min:
image_array.attrib.y_min = y_min
if y_max:
image_array.attrib.y_max = y_max
self._context.put(pvname,
image_array,
throw=False,
timeout=timeout)
else:
logger.debug(f"No initial value set for {pvname}.")
