Files
AareDAQ/src/aare/daq/daq.py
T

2208 lines
88 KiB
Python

import copy
import secrets
import time
import traceback
from datetime import datetime
from math import ceil
from pathlib import Path
from typing import List, Tuple, Optional, Callable
import cv2
import numpy as np
from jfjoch_client import ScanResult, ScanResultImagesInner
import aare.common.face_detection as fd
from aare.daq import workflows
from aare.daq.aaredb import AareWrapper
from aare.common.autofocus_tools import focus_measure_edges
from aare.daq.config import BeamlineConfig, ABR_POS_MOUNT, ABR_OMEGA_MOUNT
from aare.daq.config import BeamlineStateEnum
from aare.daq.devices import BeamlineDevices
from aare.daq.mlbox import MlBox
from aare.common.beamline import MXBeamline
from aare.common.coordinate import Coordinate, SmargonCoordinate, AerotechCoordinate
from aare.common.diffraction_geometry import DiffractionGeometry
from aare.common.logger_config import setup_logger
from aare.common.models import (
SampleShortInfo,
PuckLoadedInfo,
SampleShortInfoList, AutofocusSettings,
DAQStatusModel, BeamlineStatus, SessionStatus, SampleCameraSettings, ZoomModeEnum,
SimpleScanParameters, MLBoxModel, FluorescenceSpectrumParameterModel,
FluorescenceSpectrumOutputModel)
from aare.common.raster_grid import RasterGridRequest, CompletedRasterGrid, CompletedRasterGridElem
from aare.common.rotation_scan import RotationScanRequest, CompletedRotationScan
from aare.common.sample_geometry import SampleGeometryModel
from aare.daq.spreadsheetupdater import beamline
from aare.devices.area_detector import AutoEnum
from aare.devices.jfjoch import JFJochWrapper
from aare.devices.mx_lib import clean_filename
from aare.common.exception_handler import (
TransformationInvalidException,
LoopCenteringFailed,
MountingFailed,
WarningTellException,
CriticalTellException,
AXCFailed,
SmargonCommunicationError,
TellCommunicationError,
JFJochCommunicationError, AerotechCommunicationError, MagnetPositionSensorErorr
)
logger = setup_logger("aareDAQ")
class AareDAQ:
MIN_SPOTS_LOW_RES_THRESHOLD = 10.0
def __init__(self, cfg: BeamlineConfig, bl: MXBeamline):
self.last_time = 0.0
self.__cfg = cfg
self.__devs = BeamlineDevices(bl)
self.__mlbox = MlBox(bl)
self.__jfjoch = JFJochWrapper(bl)
self.__bl = bl.value.upper()
self.__aare = AareWrapper(bl)
self.__saved_box = None
self._smargon_trace_path = Path("/sls/mx/applications/logs") / "smargon_trace.csv"
self._face_detection_progress_cb: Callable[[dict], None] | None = None
self._last_sample_sync_ts = 0.0
self._sample_sync_min_interval_s = 2.0
def set_face_detection_progress_callback(self, cb: Callable[[dict], None] | None) -> None:
self._face_detection_progress_cb = cb
def _emit_face_detection_progress(self, payload: dict) -> None:
if self._face_detection_progress_cb is None:
return
try:
self._face_detection_progress_cb(payload)
except Exception as e:
logger.warning(f"Failed to emit face detection progress: {e}")
def _handle_operation_error(self, operation_name: str, sample: SampleShortInfo | None, error: Exception,
error_type: str = "generic") -> None:
"""
Centralized error handling for all operations.
Args:
operation_name: Name of the operation that failed (e.g., "mount", "alc", "raster")
sample: The sample being processed
error: The exception that occurred
error_type: Type of error - "mount", "alc", "axc", or "generic"
"""
if sample is None:
logger.error(f"Error in {operation_name}: {error}")
return
try:
if error_type == "mount":
self.__aare.sample_failed(sample, failed_comment=f"Mount failed: {error}")
elif error_type == "alc":
self.__aare.alc_failed(sample, alc_comment=f"Loop centering failed: {error}")
elif error_type == "axc":
self.__aare.axc_failed(sample)
else:
self.__aare.sample_failed(sample, failed_comment=f"Error in {operation_name}: {error}")
except Exception as db_error:
logger.error(f"Failed to report {operation_name} error to database: {db_error}")
def _execute_mount_and_prepare(self, sample: SampleShortInfo) -> bool:
"""
Execute mounting and take screenshot.
Returns:
True if successful, False otherwise
"""
try:
self.__mount(sample)
if sample.db_id is not None:
self.__aare.sample_mounted(sample)
self.save_screenshot_db(sample.db_id, f"{sample.db_id}_mounted")
return True
except Exception as e:
logger.error(f"Mount failed: {e}")
self._handle_operation_error("mount", sample, e, error_type="mount")
return False
def _execute_loop_centering(self, sample_id: int | None) -> bool:
"""
Execute loop centering sequence.
Returns:
True if successful, False otherwise
"""
try:
if not self.__loop_center_sequence(sample_id):
self._handle_operation_error("loop_centering", self.sample, LoopCenteringFailed(), error_type="alc")
return False
return True
except Exception as e:
logger.error(f"Loop centering failed: {e}")
self._handle_operation_error("loop_centering", self.sample, e, error_type="alc")
return False
def _execute_raster_sequence(self, grid_request: RasterGridRequest,
auto_center: bool = False) -> CompletedRasterGrid | None:
"""
Execute raster scan with optional auto-centering.
Args:
grid_request: Raster grid parameters
auto_center: If True, use auto-centering; if False, use direct raster
Returns:
CompletedRasterGrid result or None if failed
"""
try:
if auto_center:
result = self.__auto_center(grid_request)
else:
raster_result = self.__raster(grid_request)
result = CompletedRasterGrid(r=[raster_result])
return result
except Exception as e:
logger.error(f"Raster sequence failed: {e}")
self._handle_operation_error("raster", self.sample, e, error_type="axc")
return None
def _execute_rotation_sequence(self, rotation_request: RotationScanRequest) -> CompletedRotationScan | None:
"""
Execute rotation scan.
Args:
rotation_request: Rotation scan parameters
Returns:
CompletedRotationScan result or None if failed
"""
try:
result = self.__rotation(rotation_request)
self.__set_state(BeamlineStateEnum.SampleAlignment)
if self.sample is not None and self.sample.db_id is not None:
self.save_screenshot_db(self.sample.db_id, "scan_preview")
self.__aare.sample_collected(self.sample)
self.__aare.ingest_scan(sample=self.sample, result=result.result,
geom=self.sample_geometry, beam_mark_pxl=self.__cfg.get_beam_mark(self.zoom))
return result
except Exception as e:
logger.error(f"Rotation sequence failed: {e}")
self._handle_operation_error("rotation", self.sample, e, error_type="generic")
return None
def _append_smargon_trace(self, *, sample_id: int | None, event: str) -> None:
try:
path = self._smargon_trace_path
path.parent.mkdir(parents=True, exist_ok=True)
is_new_file = not path.exists() or path.stat().st_size == 0
pos = self.smargon
sh = pos.sh_mm
with path.open("a", encoding="utf-8", buffering=1) as f:
if is_new_file:
f.write(
"timestamp,event,sample_id,omega_deg,zoom,"
"shx_mm,shy_mm,shz_mm,phi_deg,chi_deg\n"
)
f.write(
f"{datetime.now().isoformat(timespec='milliseconds')},"
f"{event},"
f"{'' if sample_id is None else sample_id},"
f"{self.omega:.3f},"
f"{self.zoom:.3f},"
f"{sh.x:.5f},"
f"{sh.y:.5f},"
f"{sh.z:.5f},"
f"{pos.phi_deg:.5f},"
f"{pos.chi_deg:.5f}\n"
)
f.flush()
except Exception as e:
logger.warning(f"Failed to append smargon trace: {e}")
def _sample_matches_mounted_address(
self,
sample: SampleShortInfo | None,
mounted_address,
) -> bool:
if sample is None or sample.location is None or mounted_address is None:
return False
return (
sample.location.segment == mounted_address.puck.segment
and sample.location.pos == mounted_address.puck.pos
and sample.pin == mounted_address.pin
)
def _find_sample_by_mounted_address(self, mounted_address) -> SampleShortInfo | None:
for sample in self.__cfg.spreadsheet.s:
if self._sample_matches_mounted_address(sample, mounted_address):
return sample
for sample in self.__cfg.reference_tools.s:
if self._sample_matches_mounted_address(sample, mounted_address):
return sample
return None
def _placeholder_sample_from_mounted_address(self, mounted_address) -> SampleShortInfo:
return SampleShortInfo(
db_id=-1,
puck_name="",
dewar_name="",
sample_name=f"Mounted sample {mounted_address.puck.segment}{mounted_address.puck.pos}-{mounted_address.pin}",
run_number=0,
user="",
pin=mounted_address.pin,
location=mounted_address.puck,
)
def sync_current_sample_from_tell(self, force: bool = False) -> SampleShortInfo | None:
current_sample = self.__cfg.current_sample
if current_sample is not None and current_sample.location is None:
return current_sample
now = time.monotonic()
if not force and (now - self._last_sample_sync_ts) < self._sample_sync_min_interval_s:
return current_sample
self._last_sample_sync_ts = now
mounted_address = self.__devs.tell.get_mounted_sample()
if mounted_address is None:
if current_sample is not None and current_sample.location is not None:
logger.warning("TELL reports no mounted sample; clearing cached current_sample")
self.__cfg.current_sample = None
return self.__cfg.current_sample
if self._sample_matches_mounted_address(current_sample, mounted_address):
return current_sample
resolved_sample = self._find_sample_by_mounted_address(mounted_address)
if resolved_sample is None:
resolved_sample = self._placeholder_sample_from_mounted_address(mounted_address)
logger.warning(
"Mounted sample from TELL was not found in known sample lists; using placeholder",
extra={"mounted_address": str(mounted_address)},
)
else:
logger.info(
f"Reconciled cached sample from TELL to {resolved_sample.sample_name}",
extra={"db_id": resolved_sample.db_id},
)
self.__cfg.current_sample = resolved_sample
return resolved_sample
@property
def state(self) -> BeamlineStateEnum:
return self.__cfg.state
@property
def busy(self) -> bool:
return self.__cfg.state_busy
@state.setter
def state(self, target: BeamlineStateEnum):
if target == BeamlineStateEnum.Moving:
logger.error(f"Cannot explicitly move to busy state", extra={"target":target, "state":self.__cfg.state})
raise Exception("Cannot explicitly move to busy state")
start = time.perf_counter()
self.__cfg.try_set_busy(timeout=300)
self.__set_state(target)
self.__cfg.state_busy = False
end = time.perf_counter()
self.last_time = end - start
def spreadsheet_params(self) -> tuple[Optional[SimpleScanParameters], str|None]:
file_prefix = None
if self.status.sample is None:
return None, file_prefix
logger.debug(f"generate params for sample: {self.status.sample}")
aaredb_params = self.status.sample.aaredb_params if hasattr(self.status.sample, "aaredb_params") else None
if aaredb_params is None:
return None, file_prefix
#if aaredb_params.directory:
# file_prefix = aaredb_params.directory
if (
getattr(aaredb_params, 'exposure', None) is None
and getattr(aaredb_params, 'transmission', None) is None
and getattr(aaredb_params, 'oscillation', None) is None
and getattr(aaredb_params, 'totalrange', None) is None
and getattr(aaredb_params, 'targetresolution', None) is None
):
return None, file_prefix
params = SimpleScanParameters()
if (exp := getattr(aaredb_params, 'exposure', None)) is not None:
params.exp_time_s = exp
if (trans := getattr(aaredb_params, 'transmission', None)) is not None:
logger.debug(f"transmission: {trans}")
params.transmission = trans / 100.0 if trans > 1.0 else trans
if (res := getattr(aaredb_params, 'targetresolution', None)) is not None:
logger.debug(f"resolution: {res}")
logger.debug(f"requested dtz: {self.diffraction_geometry.calc_dtz_mm(res)} ")
new_res = 1 / ((1 / res) + 0.1)
corrected_dtz = self.diffraction_geometry.calc_dtz_mm(new_res)
logger.debug(f"corrected dtz: {corrected_dtz}")
if corrected_dtz < 108:
corrected_dtz = 108
params.dtz = round(corrected_dtz)
osc = getattr(aaredb_params, 'oscillation', None)
total = getattr(aaredb_params, 'totalrange', None)
if osc is not None:
osc = abs(osc)
if osc > 0:
params.incr_omega_deg = osc
if total is not None and abs(total) > 0:
params.steps = round(abs(total) / osc)
else:
params.steps = round(360.0 / osc)
elif total is not None and abs(total) > 0:
default_osc = SimpleScanParameters().incr_omega_deg
params.incr_omega_deg = default_osc
params.steps = round(abs(total) / default_osc)
#if file_prefix is not None:
# params.file_prefix = file_prefix
return params, file_prefix
@property
def omega(self) -> float:
return self.__devs.aerotech_omega
def __omega(self, val: float):
self.__saved_box = None
print(f"Set omega to {val}")
if -2000 < val < 2000:
try:
self.__devs.aerotech_omega = val
self.__cfg.state_busy = False
except Exception as e:
logger.error(f"Omega error: {e}")
self.__cfg.state_busy = False
logger.error("Omega move timed out")
else:
self.__cfg.state_busy = False
logger.error("Omega has to be between -2000 and 2000 degrees")
raise ValueError("Omega has to be between -2000 and 2000 degrees (for now)")
@omega.setter
def omega(self, val: float):
self.__cfg.set_busy(BeamlineStateEnum.SampleAlignment)
self.__omega(val)
def omega_rel(self, val: float):
self.__cfg.set_busy(BeamlineStateEnum.SampleAlignment)
curr_omega = self.__devs.aerotech_omega
self.__omega(curr_omega + val)
@property
def zoom(self) -> float:
return self.__devs.zoom
@zoom.setter
def zoom(self, val: float):
self.__saved_box = None
self.__devs.samcam_auto(AutoEnum.AUTO)
self.__devs.zoom = val
time.sleep(0.2)
self.__devs.samcam_auto(AutoEnum.ONCE)
@property
def front_light(self) -> float:
val = self.__devs.lamp_light
if val <= 1.0:
return 0
elif val >= 2.5:
return 100.0
else:
return (val - 1.0) / 1.5 * 100.0
@front_light.setter
def front_light(self, f: float):
conv = (f / 100.0 * 1.5) + 1.0
print(f"Light {f} -> {conv}")
self.__devs.lamp_light = conv
@property
def back_light(self) -> float:
val = self.__devs.back_light
if val <= 0.0:
return 0.0
elif val <= 3.0:
return val / 3.0 * 100.0
else:
return 100.0
@back_light.setter
def back_light(self, f: float):
conv = f / 100.0 * 3.0
print(f"Backlight {f} -> {conv}")
self.__devs.back_light = conv
@property
def sample(self) -> SampleShortInfo | None:
return self.__cfg.current_sample
@property
def samcam_settings(self) -> SampleCameraSettings:
return self.__devs.samcam_settings
@samcam_settings.setter
def samcam_settings(self, s: SampleCameraSettings):
self.__devs.samcam_settings = s
def tweak_abr_meas_pos(self, c: AerotechCoordinate):
self.__cfg.set_busy(BeamlineStateEnum.SampleAlignment)
try:
new_meas_pos = AerotechCoordinate(at_mm=self.__cfg.abr_meas_pos.at_mm + c.at_mm)
self.__cfg.abr_meas_pos = new_meas_pos
self.__devs.aerotech_pos = new_meas_pos
self.__saved_box = None
self.__cfg.state_busy = False
except Exception:
self.__cfg.state_busy = False
raise
def save_abr_meas_pos(self):
self.__cfg.set_busy(BeamlineStateEnum.SampleAlignment)
try:
self.__cfg.abr_meas_pos = self.__devs.aerotech_pos
self.__cfg.state_busy = False
except Exception:
self.__cfg.state_busy = False
raise
def goto_abr_meas_pos(self):
self.__cfg.set_busy(BeamlineStateEnum.SampleAlignment)
try:
self.__devs.aerotech_pos = self.__cfg.abr_meas_pos
self.__cfg.state_busy = False
except Exception:
self.__cfg.state_busy = False
raise
def create_sample(self, target: SampleShortInfo):
self.__cfg.try_set_busy(timeout=360)
try:
curr_sample = self.__cfg.current_sample
if curr_sample is not None and curr_sample.location is not None:
raise Exception("Sample from TELL is loaded")
self.__aare.create_manual_sample(target)
self.__cfg.current_sample = target
self.__cfg.state_busy = False
except Exception:
self.__cfg.state_busy = False
raise
def park_and_dry(self):
self.__cfg.try_set_busy(timeout=360)
try:
self.__devs.tell.wait_not_busy()
self.__devs.tell.set_in_mount_position(True)
self.__devs.tell.unmount(wait=True, timeout=60.0)
self.__devs.tell.dry(wait_cold=-1, wait=True, timeout=360.0)
self.__cfg.current_sample = None
self.__cfg.state_busy = False
except Exception as e:
self.__cfg.state_busy = False
logger.error(f"Failed to park and dry: {e}")
raise
def __magnet_position_sensor_check(self, timeout: float = 1.0, repeat: bool = True):
#TODO check this works, add beamstop z controls and test.
# logger.info("checking beamstop")
# if self.__devs.beamstop_z.value < 24.0:
# raise Exception("Beamstop Z below 24.0 mm - potentially unsafe with mounting")
if self.__devs.magnet_position_sensor.value != 0:
logger.warning("Goniometer is not in position based on magnet position sensor readout")
for i in range(round(timeout * 10.0)):
if self.__devs.magnet_position_sensor.value == 0:
return
time.sleep(0.1)
logger.error("Goniometer didn't reach position based on magnet position sensor readout")
raise Exception("Goniometer is not in position based on magnet position sensor readout")
def __mount_failure_handler(self, mount_error):
pass
def __mount(self, target: SampleShortInfo | None):
self.__devs.smargon_move_home()
self.__devs.aerotech_pos = ABR_POS_MOUNT
#collimator should be down!!!
self.__magnet_position_sensor_check(timeout=360.0)
self.__devs.tell.wait_not_busy()
self.__devs.tell.set_in_mount_position(True)
if target is None:
self.__devs.tell.unmount(wait=True, timeout=60.0)
self.__aare.sample_unmounted(self.__cfg.current_sample)
self.__cfg.current_sample = None
else:
try:
value = self.__devs.tell.mount(address=target.tell_address(), force=True, auto_unmount=True, read_dm=False,
wait=True, timeout=360.0)
if self.__cfg.current_sample is not None and self.__cfg.current_sample.db_id is not None:
self.__aare.sample_unmounted(self.__cfg.current_sample)
logger.info(f"Mount result: {value}")
self.__cfg.current_sample = target
except Exception as e:
logger.error(f"Mount failed: {e}")
if self.__cfg.current_sample is not None and self.__cfg.current_sample.db_id is not None:
self.__aare.sample_failed(self.__cfg.current_sample, failed_comment=f"Mount failed: {e}")
raise MountingFailed(f"Mount failed: {e}")
#self.__mount_failure_handler(value)
def recovery_unmount_sample(self) -> None:
self.__cfg.try_set_busy(timeout=360)
try:
self.__set_state(BeamlineStateEnum.RobotSampleExchange)
self.__devs.tell.wait_not_busy()
self.__devs.tell.set_in_mount_position(True)
self.__devs.tell.unmount(wait=True, timeout=360.0)
self.__cfg.current_sample = None
self.__set_state(BeamlineStateEnum.SampleAlignment)
self.__cfg.state_busy = False
except Exception:
self.__cfg.state_busy = False
raise
@sample.setter
def sample(self, target: SampleShortInfo | None):
self.__cfg.try_set_busy(timeout=360)
curr_sample_is_manual=False
try:
curr_sample = self.__cfg.current_sample
workflows.common_2rse(devs=self.__devs, cfg=self.__cfg)
#if curr_sample is not None and curr_sample.location is None:
# self.__cfg.current_sample = None
# curr_sample_is_manual = True
#if target is not None or not curr_sample_is_manual:
logger.debug(target)
if not self._execute_mount_and_prepare(target):
raise MountingFailed("Failed to mount sample")
logger.info(f"Sample mounted: {target}")
except Exception as e:
self.__cfg.state_busy = False
logger.debug(f"Failed to mount sample: {e}")
# self.__aare.sample_failed(target, f"Mount failed due to {e}")
raise
workflows.rse2sa(devs=self.__devs, cfg=self.__cfg)
self.__cfg.state_busy = False
# if target is not None:
# if target.db_id is not None:
# self.__aare.sample_mounted(target)
# self.save_screenshot_db(target.db_id, f"{target.db_id}_mounted")
@property
def camera_image(self) -> np.ndarray | None:
image = self.__devs.samcam_get_image(gray=False)
return image
@property
def camera_image_gray(self) -> np.ndarray | None:
image = self.__devs.samcam_get_image(gray=True)
return image
def list_loaded_pucks(self) -> List[PuckLoadedInfo]:
return []
def __auto_focus(self, settings: AutofocusSettings, settle_time_s: float = 1.0) -> float:
"""
Scan smargon Z and find the position with maximum focus measure.
Args:
settings: AutofocusSettings with center, radius, range, and steps
settle_time_s: Time to wait after each move before capturing image
Returns:
Best Z position (mm) found during the scan
"""
geom = self.sample_geometry
current_smargon = self.__devs.smargon_pos
# Get center for the mask (use beam center if not specified)
center_x = geom.beam_location_pxl.x
center_y = geom.beam_location_pxl.y
radius_pxl = 30
# Convert z_range from um to mm
z_range_mm = settings.z_range_um / 1000.0
n_steps = settings.z_steps
# Starting Z position (current sh_mm)
z_start = 0.0
z_min = z_start - z_range_mm / 2.0
z_max = z_start + z_range_mm / 2.0
z_step = z_range_mm / (n_steps - 1) if n_steps > 1 else 0.0
# Pre-compute mask (will be created on first image)
focus_mask: np.ndarray | None = None
# Collect focus measures at each Z position
z_positions: list[float] = []
focus_values: list[float] = []
print(f"Starting autofocus: z_range={z_range_mm * 1000:.1f}um, steps={n_steps}, "
f"center=({center_x:.1f}, {center_y:.1f}), radius={radius_pxl:.1f}px")
for i in range(n_steps):
z_pos = z_min + i * z_step
# Move to position
target = SmargonCoordinate(
chi_deg=current_smargon.chi_deg,
phi_deg=current_smargon.phi_deg,
sh_mm=geom.beamline_to_smargon(Coordinate(z=z_pos))
)
self.__devs.smargon_pos = target
self.__devs.smargon_wait(timeout=30)
# Wait for mechanical settling and image stabilization
time.sleep(settle_time_s)
# Capture image
gray = self.camera_image_gray
if gray is None:
logger.warning(f"Failed to get image at z={z_pos:.4f}")
continue
# Create mask on first valid image
if focus_mask is None or focus_mask.shape != gray.shape:
h, w = gray.shape
y, x = np.ogrid[:h, :w]
focus_mask = (x - center_x) ** 2 + (y - center_y) ** 2 <= radius_pxl ** 2
print(focus_mask.shape)
print(gray.shape)
# Calculate focus measure
fm = focus_measure_edges(gray, focus_mask)
z_positions.append(z_pos)
focus_values.append(fm)
logger.debug(f"Autofocus step {i + 1}/{n_steps}: z={z_pos:.4f}mm, focus={fm:.2f}")
print(f"Autofocus step {i + 1}/{n_steps}: z={z_pos:.4f}mm, focus={fm:.2f}")
if len(z_positions) < 3:
logger.error("Autofocus failed: not enough valid measurements")
# Return to original position
self.__devs.smargon_pos = current_smargon
self.__devs.smargon_wait(timeout=30)
return z_start
# Find best position - use parabolic fit around the peak for sub-step precision
z_arr = np.array(z_positions)
fm_arr = np.array(focus_values)
# Find index of maximum
peak_idx = int(np.argmax(fm_arr))
# Try parabolic fit if peak is not at the edge
if 0 < peak_idx < len(fm_arr) - 1:
# Fit parabola to 3 points around peak: f(z) = a*z^2 + b*z + c
z_fit = z_arr[peak_idx - 1: peak_idx + 2]
fm_fit = fm_arr[peak_idx - 1: peak_idx + 2]
try:
coeffs = np.polyfit(z_fit, fm_fit, 2)
a, b, c = coeffs
if a < 0: # Parabola opens downward (valid peak)
best_z = -b / (2 * a)
# Sanity check: best_z should be within the fitted range
if z_fit[0] <= best_z <= z_fit[2]:
logger.info(f"Autofocus: parabolic fit found peak at z={best_z:.4f}mm")
else:
best_z = z_arr[peak_idx]
logger.info(f"Autofocus: parabolic fit out of range, using sample peak z={best_z:.4f}mm")
else:
best_z = z_arr[peak_idx]
logger.info(f"Autofocus: invalid parabola, using sample peak z={best_z:.4f}mm")
except Exception as e:
logger.warning(f"Parabolic fit failed: {e}, using sample peak")
best_z = z_arr[peak_idx]
else:
best_z = z_arr[peak_idx]
logger.warning(f"Autofocus: peak at edge of scan range, z={best_z:.4f}mm")
# Move to best position
best_target = SmargonCoordinate(
chi_deg=current_smargon.chi_deg,
phi_deg=current_smargon.phi_deg,
sh_mm=geom.beamline_to_smargon(Coordinate(z=best_z)),
)
self.__devs.smargon_pos = best_target
self.__devs.smargon_wait(timeout=30)
logger.warning(f"Autofocus complete: best_z={best_z:.4f}mm, "
f"focus_range=[{min(fm_arr):.2f}, {max(fm_arr):.2f}]")
return best_z
def auto_focus(self, settings: AutofocusSettings) -> float:
"""
Public autofocus method. Only allowed in SampleAlignment state.
Args:
settings: AutofocusSettings with center, radius, range, and steps
Returns:
Best Z position (mm) found during the scan
"""
self.__cfg.set_busy(BeamlineStateEnum.SampleAlignment)
try:
best_z = self.__auto_focus(settings)
self.__cfg.state_busy = False
return best_z
except Exception as e:
logger.error(f"Autofocus failed: {e}")
self.__cfg.state_busy = False
raise
def __auto_center(self, request: RasterGridRequest) -> CompletedRasterGrid | None:
sample = self.sample
if sample is None:
raise Exception("Sample must be mounted to auto center")
old_prefix = request.file_prefix
geom = self.sample_geometry
r = self.__ml_bounding_box(sample.db_id, f"ml_{geom.omega_deg:.2f}deg")
if r is None:
self.__devs.aerotech_omega = geom.omega_deg + 90.0
time.sleep(0.2)
r = self.__ml_bounding_box(sample.db_id, f"ml_{geom.omega_deg + 90.0:.2f}deg")
if r is not None:
geom = self.sample_geometry
grid = copy.deepcopy(request)
grid.smargon_top_left = r.smargon_top_left
grid.grid_size_mm = r.grid_size_mm
grid.n_x = r.n_x
grid.n_y = r.n_y
grid.file_prefix = f"{old_prefix}_{grid.omega_deg}deg"
grid.omega_deg = geom.omega_deg
res1 = self.__raster(grid)
grid.omega_deg += 90
self.__devs.aerotech_omega = grid.omega_deg
grid.n_x = 1
#TODO generate y scan rather than had code for 1x50
grid.n_y = 50
grid.file_prefix = f"{old_prefix}_{grid.omega_deg}deg"
grid.grid_size_mm = Coordinate(x=geom.beam_size_mm.x, y=geom.beam_size_mm.y * 0.25)
offset = Coordinate(x=-grid.grid_size_mm.x/2.0, y=-(grid.n_y + 0.5) * grid.grid_size_mm.y / 2.0)
geom = self.sample_geometry
logger.debug(f"set offset y scan {offset}")
# self.__devs.smargon.target = geom.translate_smargon(offset)
grid.smargon_top_left = geom.translate_smargon(offset)
res2 = self.__raster(grid)
return CompletedRasterGrid(r=[res1, res2])
else:
return None
def __setup_datacollection(self, request: RasterGridRequest | RotationScanRequest, screening: bool = False):
if request.dtz is not None:
logger.info(f'requesting dtz to move to {request.dtz}')
self.__cfg.dtz = request.dtz
if self.sample is not None and self.sample.db_id is not None:
sample_id = self.sample.db_id
if screening:
screenshot_name = f"{sample_id}_before_screening"
elif type(request) is RasterGridRequest:
screenshot_name = f"{sample_id}_before_raster"
else:
screenshot_name = f"{sample_id}_before_data_collection"
self.save_screenshot_db(sample_id, screenshot_name)
self.__set_state(BeamlineStateEnum.DataCollection)
if request.transmission is not None:
logger.info(f'requesting transmission to move to {request.transmission}')
self.__devs.transmission = request.transmission
if hasattr(request, 'start') and request.start is not None:
self.__devs.smargon_pos = request.start
elif hasattr(request, 'smargon_top_left') and request.smargon_top_left is not None:
self.__devs.set_smargon_pos(SmargonCoordinate(sh_mm=request.smargon_top_left.sh_mm,
phi_deg=request.smargon_top_left.phi_deg,
chi_deg=request.smargon_top_left.chi_deg))
#if request.transmission is not None:
# self.__devs.transmission.wait()
self.__devs.smargon_wait(timeout=180)
return
def _build_fake_scan_result(self, *, file_prefix: str | None, image_count: int) -> ScanResult:
images = [
ScanResultImagesInner(
number=i,
efficiency=1.0,
bkg=0.0,
spots=0,
spots_low_res=0,
spots_indexed=0,
index=0,
b=0.0,
)
for i in range(max(1, image_count))
]
return ScanResult(file_prefix=file_prefix, images=images)
def _build_fake_rotation_result(self, request: RotationScanRequest) -> CompletedRotationScan:
result = self._build_fake_scan_result(
file_prefix=request.file_prefix,
image_count=request.steps,
)
return CompletedRotationScan(
request=copy.deepcopy(request),
result=result,
)
def _build_fake_raster_result(self, request: RasterGridRequest) -> CompletedRasterGridElem:
result = self._build_fake_scan_result(
file_prefix=request.file_prefix,
image_count=request.n_x * request.n_y,
)
return CompletedRasterGridElem(
request=copy.deepcopy(request),
result=result,
centre_of_mass=None,
)
def __raster(self, request: RasterGridRequest) -> CompletedRasterGridElem:
self.__devs.aerotech_omega = request.omega_deg
self.__setup_datacollection(request=request)
status = self.status
logger.info(f"raster status {status}")
logger.info(f'raster grid request: {request}')
total_time = request.exp_time_s*request.n_x*request.n_y+request.n_y*0.3
try:
if self.sample is not None and self.sample.db_id is not None:
self.__aare.create_gridscan_run(self.sample, request, status)
if not self.__cfg.simulated_detector:
logger.info("initialise detector")
self.__jfjoch.measure_raster(request, status)
logger.info("detector initialised")
else:
logger.info("Simulated detector mode enabled; using fake raster result.")
self.__devs.aerotech.grid_scan(
grid_elem_size_y_um=request.grid_size_mm.y * 1000,
grid_elem_size_x_um=request.grid_size_mm.x * 1000,
grid_elem_count_x=request.n_x,
grid_elem_count_y=request.n_y,
time_sec=request.exp_time_s,
run_async=True,
)
self.__devs.aerotech.wait_till_done(timeout=int(round(total_time * 2, 0)))
#go back to aerotech x,y,z home not U home (0 degrees).
if isinstance(self.__cfg.abr_meas_pos, Coordinate):
coord = self.__cfg.abr_meas_pos
else:
coord = self.__cfg.abr_meas_pos.at_mm
self.__devs.aerotech_pos = AerotechCoordinate(at_mm=coord, omega_deg=self.__devs.aerotech_omega)
self.__devs.aerotech.wait_till_done(timeout=int(360))
if request.n_x == 1:
x = request.grid_size_mm.x / 2.0
y = ((request.n_y - 1) * request.grid_size_mm.y) / 2.0
grid_centre_offset = self.sample_geometry.smargon_nudge(Coordinate(x=x, y=y))
else:
x = ((request.n_x - 1) * request.grid_size_mm.x) / 2.0
y = ((request.n_y - 1) * request.grid_size_mm.y) / 2.0
grid_centre_offset = self.sample_geometry.smargon_nudge(Coordinate(x=x, y=y))
logger.info(f"moving Smargon to grid centre offset {grid_centre_offset}")
grid_centre_smargon = SmargonCoordinate(
sh_mm=request.smargon_top_left.sh_mm + grid_centre_offset,
phi_deg=request.smargon_top_left.phi_deg,
chi_deg=request.smargon_top_left.chi_deg
)
self.__devs.smargon_pos = grid_centre_smargon
self.__devs.smargon_wait(timeout=180)
if self.__cfg.simulated_detector:
scan_result = self._build_fake_scan_result(
file_prefix=request.file_prefix,
image_count=request.n_x * request.n_y,
)
else:
scan_result = self.__jfjoch.wait_till_done(60)
if scan_result is None:
logger.warning("JFJoch returned no ScanResult; using fake result for raster scan.")
scan_result = self._build_fake_scan_result(
file_prefix=request.file_prefix,
image_count=request.n_x * request.n_y,
)
sample_id = self.sample.db_id if self.sample and self.sample.db_id is not None else None
if sample_id:
self.__set_state(BeamlineStateEnum.SampleAlignment)
self.save_screenshot_db(sample_id, f"{sample_id}_post_raster_{request.omega_deg}deg")
self.__aare.ingest_gridscan(
sample=self.sample,
raster_result=scan_result,
raster_request=request,
geom=self.sample_geometry,
com=None,
beam_mark_pxl=self.__cfg.get_beam_mark(self.zoom),
)
return CompletedRasterGridElem(
request=copy.deepcopy(request),
result=scan_result,
centre_of_mass=None,
)
except Exception:
logger.exception("Failed during raster")
raise
def measure_raster(self, r: RasterGridRequest, auto: bool) -> CompletedRasterGrid:
"""
Execute a raster scan.
Args:
r: RasterGridRequest parameters for the scan.
auto: Boolean flag indicating if this is part of an automated sequence.
Returns:
CompletedRasterGrid result.
"""
self.__cfg.try_set_busy(timeout=ceil(360))
try:
result = self._execute_raster_sequence(r, auto_center=auto)
if result is None:
raise Exception("Raster scan failed")
self.__cfg.state_busy = False
return result
except Exception as e:
self.__set_state(BeamlineStateEnum.SampleAlignment)
self.__cfg.state_busy = False
raise
def __rotation(self, request: RotationScanRequest) -> CompletedRotationScan:
omega_start = self.omega
status = self.status
#self.__aare.create_rotation_run(self.sample, request, status)
total_time = request.exp_time_s * request.steps
if self.sample is not None and self.sample.db_id is not None:
self.__aare.create_rotation_run(self.sample, request, status)
try:
if self.__cfg.simulated_detector:
logger.info("Simulated detector mode enabled; skipping JFJoch start.")
else:
self.__jfjoch.measure_rotation(request, status, self.__cfg.xrf)
if request.screening:
self.__devs.aerotech.screening_scan(
rotation_deg=request.steps*request.incr_omega_deg,
wedge_deg=request.wedge_omega_deg,
time_sec=total_time,
steps=request.steps,
run_async=True,
)
else:
self.__devs.aerotech.rotation_scan(
rotation_deg=request.steps*request.incr_omega_deg,
time_sec=total_time,
start_pos_deg=request.start_omega_deg,
run_async=True,
)
#Is this for helical scans...? do we do smargon scans?
if request.start is not None and request.end is not None:
smargon_time_step = request.exp_time_s / float(request.steps)
pos_step = (request.end.sh_mm - request.start.sh_mm) * (1.0 / float(request.steps))
for i in range(request.steps):
self.__devs.smargon.target = SmargonCoordinate(
sh_mm=request.start.sh_mm + pos_step * i
)
time.sleep(smargon_time_step)
self.__devs.aerotech.wait_till_done(timeout=int(round(total_time + 60,0)))
self.__devs.aerotech_omega = omega_start
# self.__aare.sample_collected(self.sample)
if self.__cfg.simulated_detector:
logger.warning("Detector in simulation mode, returning fake zero rotation result.")
result = self._build_fake_rotation_result(request)
else:
# Let JFJochCommunicationError propagate
result = self.__jfjoch.wait_till_done(60)
except JFJochCommunicationError:
raise
except Exception as e:
logger.error(f"Exception during rotation scan: {e}")
raise
return result
def measure_rotation(self, request: RotationScanRequest) -> CompletedRotationScan:
"""
Execute a rotation scan.
Args:
request: RotationScanRequest parameters.
Returns:
CompletedRotationScan result.
"""
total_time = request.exp_time_s * request.steps
logger.info(f"received rotation scan request: {request}, total time: {total_time}s, steps: {request.steps}")
self.__cfg.try_set_busy(timeout=ceil(total_time + 360))
try:
result = self._execute_rotation_sequence(request)
if result is None:
raise Exception("Rotation scan failed")
self.__cfg.state_busy = False
return result
except Exception as e:
self.__set_state(BeamlineStateEnum.SampleAlignment)
self.__cfg.state_busy = False
raise
@property
def dtz(self) -> float:
tmp = self.__cfg.dtz
if tmp is None:
return 150.0
else:
return tmp
@dtz.setter
def dtz(self, val: float):
self.__cfg.try_set_busy(timeout=360)
state = self.__cfg.state
if val < self.__devs.dtz_low or val > self.__devs.dtz_high:
self.__cfg.state_busy = False
raise RuntimeError(f"dtz={val} outside limits {self.__devs.dtz_low} to {self.__devs.dtz_high}")
if state == BeamlineStateEnum.DataCollection:
self.__cfg.state_busy = False
raise RuntimeError("Cannot set dtz during data collection")
elif state == BeamlineStateEnum.SampleAlignment:
self.__devs.set_dtz(val, wait=False)
self.__cfg.dtz = val
self.__cfg.state_busy = False
@property
def smargon(self) -> SmargonCoordinate:
return self.__devs.smargon_pos
@smargon.setter
def smargon(self, sc: SmargonCoordinate):
self.__cfg.set_busy(BeamlineStateEnum.SampleAlignment)
try:
self.__saved_box = None
self.__devs.smargon_pos = sc
self.__devs.smargon_wait()
self.__cfg.state_busy = False
except Exception as e:
self.__cfg.state_busy = False
raise
pass
def mark_beam(self, x_pxl: float, y_pxl: float):
self.__cfg.set_busy(BeamlineStateEnum.BeamLocation)
try:
self.__cfg.mark_beam(x_pxl, y_pxl, self.__devs.zoom)
self.__cfg.state_busy = False
except Exception as e:
self.__cfg.state_busy = False
raise
def clear_mark_beam(self):
self.__cfg.set_busy(BeamlineStateEnum.BeamLocation)
self.__cfg.clear_mark_beam()
self.__cfg.state_busy = False
@property
def sample_geometry(self) -> SampleGeometryModel:
zoom = self.__devs.zoom
aerotech_pos_ref = self.__cfg.abr_meas_pos.at_mm
aerotech_pos = self.__devs.aerotech_pos.at_mm
sample_geom = SampleGeometryModel(
beam_location_pxl=self.__cfg.beam_mark_coeff.apply(zoom),
pixel_in_mm=self.__cfg.pixel_to_mm(zoom),
omega_deg=self.__devs.aerotech_omega,
smargon=self.__devs.smargon_pos,
beam_size_mm=self.__cfg.beam_size_mm,
aerotech=aerotech_pos - aerotech_pos_ref,
aerotech_meas=aerotech_pos
)
return sample_geom
@property
def beam_center(self) -> Tuple[float, float]:
return self.__cfg.beam_center
@beam_center.setter
def beam_center(self, val: Tuple[float, float]):
self.__cfg.beam_center = val
@property
def beam_size_mm(self) -> Coordinate:
return self.__cfg.beam_size_mm
@beam_size_mm.setter
def beam_size_mm(self, val: Coordinate):
self.__cfg.beam_size_mm = val
def get_beam_mark(self):
return self.__cfg.get_beam_mark(self.__devs.zoom)
def __ml_bounding_box(self, sample_id: int | None = None, filename: str | None = None) -> RasterGridRequest | None:
time.sleep(0.2) # Just to be sure image is stable
#curr_image = self.camera_image
#box = self.__mlbox.predict(curr_image)
curr_image = cv2.cvtColor(self.camera_image, cv2.COLOR_RGB2BGR)
m = self.__mlbox.predict(curr_image, preferred_class=(3,0))
if m is None:
if filename is not None:
#cv2.imwrite(f"{filename}_no_detection.jpg", curr_image)
self.__aare.upload_image(sample_id, f"{filename}_no_detection", curr_image)
return None
x1, y1, x2, y2 = m.box.top_x, m.box.top_y, m.box.bottom_x, m.box.bottom_y
if filename is not None:
cv2.rectangle(curr_image, (int(x1), int(y1)), (int(x2), int(y2)), (0, 255, 0), 2)
#cv2.imwrite(f"{filename}.jpg", curr_image)
self.__aare.upload_image(sample_id, filename, curr_image)
geom = self.sample_geometry
start_coord = geom.picture_to_smargon(Coordinate(x=x1, y=y1))
grid_size = Coordinate(x=geom.beam_size_mm.x * 0.8, y=geom.beam_size_mm.y * 0.8)
n_x = abs(ceil((x2 - x1) * geom.pixel_in_mm / grid_size.x))
n_y = abs(ceil((y2 - y1) * geom.pixel_in_mm / grid_size.y))
return RasterGridRequest(
exp_time_s=0.02,
transmission=1.0,
smargon_top_left = SmargonCoordinate(chi_deg = geom.smargon.chi_deg,
phi_deg= geom.smargon.phi_deg,
sh_mm=start_coord),
n_x=n_x,
n_y=n_y,
grid_size_mm= grid_size,
omega_deg=geom.omega_deg
)
def __ml_loop_centre_box(self, sample_id: int | None = None, filename: str | None = None) -> tuple[SmargonCoordinate | None, int| None, list[int] | None]:
#time.sleep(0.2) # Just to be sure image is stable
bgr_image = cv2.cvtColor(self.camera_image, cv2.COLOR_RGB2BGR)
boxes = self.__mlbox.predict_all_best(bgr_image, overlap_with_pin = 0.5, confidence_min=0.3)
if boxes is None:
if filename is not None:
self.__aare.upload_image(sample_id, f"{filename}_no_detection", bgr_image)
return None, None, None
classes: list[int] = []
pin = None
centre_x, centre_y = None, None
for box in boxes.boxes.values():
if box and box.cls is not None:
classes.append(int(box.cls.value))
if int(box.cls.value) == 1:
pin=box
best_box = self.__mlbox.get_preferred_class_box(boxes, (2,3,0,1))
if best_box is None or best_box.box is None or best_box.cls is None:
return None, None, classes if classes else None
cls = int(best_box.cls.value)
x1 = best_box.box.top_x
y1 = best_box.box.top_y
x2 = best_box.box.bottom_x
y2 = best_box.box.bottom_y
if filename is not None:
self.__aare.upload_image(sample_id, filename, bgr_image)
geom = self.sample_geometry
if cls == 0: # loop_all
if y1 + y2 <= x1 + x2:
centre_y = y1 + (y2 - y1) / 2
centre_x = x1
elif pin:
position_dict = self.__mlbox.check_box_relation(pin, best_box)
if position_dict["overlap_y"] and position_dict["overlap_x"]:
centre_y = y1 + (y2 - y1) / 2
centre_x = x1
cls = 1
logger.debug("significant overlap between pin and loop_all not picked up by ML")
else:
centre_y = y2 if position_dict["top"] else y1
centre_x = x1 + (x2 - x1) / 2
else:
centre_y = y1
centre_x = x1 + (x2 - x1) / 2
elif cls == 1: # pin
centre_y = y1 + (y2 - y1)/2
centre_x = x1
elif cls == 2 or cls == 3: #crystal or loop_face
centre_y = y1 + (y2 - y1)/2
centre_x = x1 + (x2 - x1)/2
else:
logger.debug(f"unknown box class {cls}")
return None, cls, classes if classes else None
coord = geom.picture_to_smargon(Coordinate(x=centre_x, y=centre_y))
return SmargonCoordinate(sh_mm=coord), cls, classes
def ml_bounding_box(self, sample_id: int | None = None, filename: str | None = None) -> RasterGridRequest | None:
"""
Request an ML-based bounding box for the sample.
Args:
sample_id: Optional sample ID.
filename: Optional filename for saving/logging.
Returns:
RasterGridRequest object representing the found bounding box, or None if failed.
"""
try:
self.__cfg.try_set_busy(timeout=360)
r = self.__ml_bounding_box(sample_id, filename)
self.__cfg.state_busy = False
return r
except Exception:
self.__cfg.state_busy = False
raise
def face_detection(self, steps: int = 14, step_size: int = 15, face_min_ratio: float =0.3) -> dict:
"""
Perform a face detection sequence by rotating the sample and using ML to find the flat face.
Args:
steps: Number of rotation steps. Default is 14.
step_size: Size of each rotation step in degrees. Default is 15.
face_min_ratio: Minimum ratio of loopface count to loop_all count to use loop_face over loop_all.
i.e. if 10 loop_face vs 4 loop_all pick loop_face. if 2 loop_face and 12 loop_all use loop_all.
Default is 0.3.
Returns:
Dictionary containing face detection results, including found samples and fits.
"""
self.__cfg.try_set_busy(timeout=360)
try:
logger.info("running face detection sequence")
result = self.__face_detection_sequence(steps=steps, step_size=step_size,face_min_ratio=face_min_ratio)
except Exception as e:
logger.error(f"error in face detection sequence {e}")
result = {
"running": False,
"samples": [],
"height_fit": {},
"area_fit": {},
}
self._emit_face_detection_progress(result)
self.__cfg.state_busy = False
return result
def face_detection_centre_correction(self, m:MLBoxModel, tolerance: float = 0.2):
geom = self.sample_geometry
beam_y = geom.beam_location_pxl.y
beam_x = geom.beam_location_pxl.x
x1 = m.box.top_x
y1 = m.box.top_y
y2 = m.box.bottom_y
centre_y = y1 + (y2 - y1) / 2
centre_x = x1
if beam_y !=0 and abs(centre_y-beam_y)/abs(beam_y) > tolerance:
coord = geom.picture_to_smargon(Coordinate(x=beam_x, y=centre_y))
self.__devs.smargon_pos = SmargonCoordinate(sh_mm=coord)
self.__devs.smargon_wait(60)
return
def __face_detection_sequence(self, steps: int = 14, step_size: int = 15, face_min_ratio: float = 0.3) -> dict:
self.__set_state(BeamlineStateEnum.SampleAlignment)
self.__devs.lamp_light = 2.5
self.__cfg.zoom_mode = ZoomModeEnum.LoopCenter
zoom_value = self.__devs.zoom
logger.info('face detection sequence')
self.__devs.set_zoom(zoom_value, wait=True)
boxes_face: dict[int, tuple[float, float, float, float]] = {}
boxes_loop: dict[int, tuple[float, float, float, float]] = {}
curr_angle = int(self.__devs.aerotech_omega)
total_range = steps * step_size + 1
start_angle = curr_angle if curr_angle + total_range < 720 else 0
end_angle = curr_angle + total_range
for angle in range(start_angle, end_angle, step_size):
logger.debug(f'moving to angle: {angle}')
rotate_time = time.perf_counter()
self.__devs.aerotech_omega = angle
logger.info(f"time to rotate 15 degrees: {time.perf_counter() - rotate_time}")
curr_image = cv2.cvtColor(self.camera_image, cv2.COLOR_RGB2BGR)
if self.sample is not None and self.sample.db_id is not None:
self.save_screenshot_db(self.sample.db_id, f"fd_{self.sample.db_id}_{angle}deg")
box_time = time.perf_counter()
m = self.__mlbox.predict(curr_image, filename=None, preferred_class=(3, 0))
logger.info(f"time to predict: {time.perf_counter() - box_time}")
if not m or not m.box:
logger.info(f"no box found for angle {angle}")
self._emit_face_detection_progress({
"running": True,
"current_angle_deg": angle,
"samples": fd.get_samples_out(boxes_face),
"height_fit": {},
"area_fit": {},
})
continue
cls_id = int(m.cls.value)
x1, y1, x2, y2 = m.box.top_x, m.box.top_y, m.box.bottom_x, m.box.bottom_y
self.face_detection_centre_correction(m, tolerance=0.2)
if cls_id == 3:
boxes_face[angle] = (x1, y1, x2, y2)
logger.info(f"accepted box at angle {angle}, cls={cls_id}, box={(x1, y1, x2, y2)}")
elif cls_id == 0:
boxes_loop[angle] = (x1, y1, x2, y2)
logger.info(f"accepted box at angle {angle}, cls={cls_id}, box={(x1, y1, x2, y2)}")
else:
logger.debug(f"ignoring class {cls_id} at angle {angle}")
self._emit_face_detection_progress({
"running": True,
"current_angle_deg": angle,
"samples": fd.get_samples_out(boxes_face),
"height_fit": {},
"area_fit": {},
})
if not boxes_face and not boxes_loop:
logger.info("no boxes found")
result = {"running": False, "samples": [], "height_fit": {}, "area_fit": {}}
self._emit_face_detection_progress(result)
return result
total_detections = len(boxes_face) + len(boxes_loop)
face_ratio = len(boxes_face) / total_detections if total_detections > 0 else 0.0
if boxes_face and face_ratio >= face_min_ratio:
boxes = boxes_face
logger.info(f"using loop_face boxes ({len(boxes_face)}/{total_detections}, ratio={face_ratio:.2f})")
elif boxes_loop:
boxes = boxes_loop
logger.info(
f"falling back to loop_all boxes ({len(boxes_loop)}/{total_detections}, ratio={1 - face_ratio:.2f})")
else:
boxes = boxes_face
logger.info(f"using loop_face boxes (only source, {len(boxes_face)} entries)")
best_fit_angle_area, area_params = fd.get_flat_face(boxes, start_angle, end_angle, True)
best_fit_angle_height, height_params = fd.get_flat_face(boxes, start_angle, end_angle, False)
fit_results = {
"Area": {"angle": best_fit_angle_area, "params": area_params},
"Height": {"angle": best_fit_angle_height, "params": height_params},
}
logger.info(f"best angle by area: {best_fit_angle_area}")
logger.info(f"best angle by height: {best_fit_angle_height}")
flat_face_angle, best_params, best_name = fd.choose_best_fit(fit_results)
logger.info(f"best params: {best_params}")
logger.info(f"chosen fit: {best_name}")
logger.info(f"best angle: {flat_face_angle}")
self.__devs.aerotech_omega = flat_face_angle
samples_out = fd.get_samples_out(boxes)
logger.info(f"face detection sequence done, samples: {samples_out}")
result = {
"running": False,
"samples": samples_out,
"height_fit": {
"A": height_params["A"],
"B": height_params["B"],
"phi_rad": height_params["phi_rad"],
"C": height_params["C"],
"best_angle_deg": best_fit_angle_height,
},
"area_fit": {
"A": area_params["A"],
"B": area_params["B"],
"phi_rad": area_params["phi_rad"],
"C": area_params["C"],
"best_angle_deg": best_fit_angle_area,
},
}
self._emit_face_detection_progress(result)
return result
def __loop_center_sequence(self, sample_id: int | None = None, trace_all_alc_moves: bool = False) -> bool:
self.__set_state(BeamlineStateEnum.SampleAlignment)
self.__devs.lamp_light = 2.5
found_classes_count: dict[int, int] = {0:0, 1:0, 2:0, 3:0}
try:
self.__cfg.zoom_mode = ZoomModeEnum.LoopCenter
#zoom_settings = self.__cfg.zoom_settings.z
for zoom_iter, zoom_value in enumerate([200]):
#exposure = zoom_settings[zoom_value].exposure
#gain = zoom_settings[zoom_value].gain
max_attempt = 2
attempt = 0
base_angles = (0, 90) if (zoom_iter % 2 == 0) else (90, 0)
if sample_id is not None:
logger.info(f"submitting to db loop center sequence for sample {sample_id}, zoom={zoom_value}")
self.save_screenshot_db(sample_id, f"pre_alc")
while attempt < max_attempt:
#self.__devs.samcam_settings = SampleCameraSettings(exposure=exposure, gain=gain)
#exp = int(exposure * 1000)
#gn = int(gain)
self.zoom = zoom_value
found_flag = False
found_angle: int | None = None
targets_found_this_attempt = 0
for angle in base_angles:
logger.debug(f"Moving to new omega: {angle}")
time_to_move_aerotech= time.perf_counter()
self.__devs.aerotech_omega = angle
logger.info(f"time to move: {time.perf_counter()-time_to_move_aerotech}")
filename = f"{sample_id}_{angle}_{zoom_value:.0f}" if sample_id is not None else None
try:
self.save_screenshot(filename=f'{sample_id}_{angle}')
target, cls, classes = self.__ml_loop_centre_box(sample_id, filename)
except Exception as e:
logger.error(f"Error getting ML box for angle {angle}")
logger.error(f"Exception: {e}")
target, cls, classes = None, None, None
if target is None:
logger.debug("no target found")
continue
if classes:
for c in classes:
found_classes_count[int(c)] += 1
logger.debug(f"classes found: {classes}")
logger.debug(f"class found: {cls}")
if cls is not None and cls != 1:
targets_found_this_attempt += 1
found_flag = True
found_angle = angle
time_to_move_smargon = time.perf_counter()
self.__devs.smargon_pos = target
self.__devs.smargon_wait(60)
logger.info(f"time to move smargon: {time.perf_counter() - time_to_move_smargon}")
if sample_id is not None:
if trace_all_alc_moves:
self._append_smargon_trace(
sample_id=sample_id,
event=f"alc_move_zoom_{zoom_value:.0f}_angle_{angle}"
)
self.save_screenshot_db(sample_id, f"{sample_id}_{angle}_{zoom_value:.0f}")
if targets_found_this_attempt == 0:
logger.error(f"No targets found in this attempt {attempt}")
raise LoopCenteringFailed
else:
if targets_found_this_attempt >= len(base_angles):
logger.debug(f"sucessfully found {targets_found_this_attempt} targets in attempt {attempt + 1} ")
break
if found_flag is not None and found_angle is not None:
logger.debug(f"found a target at angle {found_angle} in attempt {attempt + 1}")
base_angles = (found_angle, found_angle + 45)
logger.debug(f"new base angles: {base_angles}")
attempt += 1
logger.debug(f"attempt {attempt} of {max_attempt}")
if attempt >= max_attempt:
logger.error(f"{attempt} exceeds max attempts {max_attempt}")
raise LoopCenteringFailed
#i += 1
logger.debug("alc success")
logger.debug(f"current sample: {self.__cfg.current_sample}, sample_id of scan: {sample_id}")
self.__aare.sample_centered(self.__cfg.current_sample)
if sample_id is not None:
logger.info(f"sample {sample_id} centered")
self.save_screenshot_db(sample_id, f"{sample_id}_centered")
self._append_smargon_trace(sample_id=sample_id, event="alc_success")
return True
except Exception as e:
total_detections = sum(found_classes_count.values())
if total_detections == 0:
logger.error("ALC: No objects found in any zoom")
self.__aare.alc_failed(self.sample, alc_comment="No objects detected")
else:
self.__aare.alc_failed(
self.sample,
alc_comment=(
"Failed to centre but detected objects - "
f"Crystal: {found_classes_count.get(2,0)}, "
f"Loop_face: {found_classes_count.get(3,0)}, "
f"Loop_all: {found_classes_count.get(0,0)}, "
f"Pin: {found_classes_count.get(1,0)}"
),
)
logger.error("Failed to centre but detected objects - "
f"Crystal: {found_classes_count.get(2,0)}, "
f"Loop_face: {found_classes_count.get(3,0)}, "
f"Loop_all: {found_classes_count.get(0,0)}, "
f"Pin: {found_classes_count.get(1,0)}")
logger.error(traceback.format_exc())
logger.error(f"Error in loop centering: {e}")
return False
def auto_loop_center(self, sample_id: int | None = None) -> float:
"""
Automatically center the loop using ML-based detection.
This performs a multi-step sequence including rotation and centering.
Args:
sample_id: Optional database ID of the sample. If None, uses current sample.
Returns:
Time taken for the centering process (seconds)
Raises:
LoopCenteringFailed: If the centering sequence fails
"""
start = time.perf_counter()
try:
self.__cfg.try_set_busy(timeout=360)
if sample_id is None:
sample_id = self.__cfg.current_sample.db_id
if not self._execute_loop_centering(sample_id):
raise LoopCenteringFailed
self.__cfg.state_busy = False
except Exception as e:
self.__cfg.zoom_mode = ZoomModeEnum.User
self.__cfg.state_busy = False
raise
finally:
self.__cfg.zoom_mode = ZoomModeEnum.User
end = time.perf_counter()
return end - start
def _default_screenshot_message(self, sample_id: int) -> str:
omega_value = self.omega
zoom_value = self.zoom
samcam = self.samcam_settings
return (
f"sample_id: {sample_id} "
f"zoom: {zoom_value} "
f"exp:{samcam.exposure} "
f"gain:{samcam.gain} "
f"omega:{omega_value:.2f}"
)
def save_screenshot(self, filename: str):
#time.sleep(0.2) # Wait 200 ms to ensure camera image is stable
bgr_image = cv2.cvtColor(self.camera_image, cv2.COLOR_RGB2BGR)
logger.debug(f"saving screenshot {filename}")
cv2.imwrite(f"/sls/mx/applications/logs/{filename}.jpg", bgr_image)
def save_screenshot_db(self, sample_id: int, filename: str):
"""
Capture a screenshot and upload it to the database for a specific sample.
Args:
sample_id: Database ID of the sample.
filename: Name to give to the uploaded image.
"""
#time.sleep(0.2) # Wait 200 ms to ensure camera image is stable
bgr_image = cv2.cvtColor(self.camera_image, cv2.COLOR_RGB2BGR)
self.__aare.upload_image(sample_id, filename, bgr_image)
def send_screenshot_db(self, filename: str | None = None, message: str | None = None) -> None:
sample = self.sample
if sample is None or sample.db_id is None or sample.db_id < 0:
raise ValueError("No sample with a valid sample_id is mounted.")
sample_id = sample.db_id
bgr_image = cv2.cvtColor(self.camera_image, cv2.COLOR_RGB2BGR)
if filename:
filename = clean_filename(filename)
pgroup = self.__cfg.pgroup
if not pgroup:
raise ValueError("No active pgroup set; cannot save screenshot to photos directory.")
photos_dir = Path("/sls/mx/data") / pgroup / "raw" / "photos"
photos_dir = photos_dir / str(sample_id)
photos_dir.mkdir(parents=True, exist_ok=True)
photo_path = photos_dir / f"{filename}.jpeg"
cv2.imwrite(str(photo_path), bgr_image)
upload_name = filename or f"{sample_id}_{datetime.now().strftime('%Y%m%d_%H%M%S')}"
final_message = (message or "").strip() or self._default_screenshot_message(sample_id)
self.__aare.upload_image(sample_id, upload_name, bgr_image, message=final_message)
@property
def sample_spreadsheet(self) -> SampleShortInfoList:
return self.__cfg.spreadsheet
@property
def reference_tools(self) -> SampleShortInfoList:
return self.__cfg.reference_tools
def sample_spreadsheet_user(self, pgroup: str) -> SampleShortInfoList:
# sample = copy.deepcopy(self.sample_spreadsheet) #switch to copy if too heavy!
# sample.s = list(filter(lambda x: x.user == pgroup, sample.s))
# return sample
return SampleShortInfoList(s=[x for x in self.sample_spreadsheet.s if x.user == pgroup])
def get_auto_raster_params(self) -> SimpleScanParameters:
if self.status.sample is None:
return SimpleScanParameters(dtz=150, exp_time_s=0.04, transmission=1.0)
aaredb_params = self.status.sample.aaredb_params if hasattr(self.status.sample, "aaredb_params") else None
if aaredb_params is None:
return SimpleScanParameters(dtz=150, exp_time_s=0.04, transmission=1.0)
params = SimpleScanParameters()
# Exposure
exp = getattr(aaredb_params, 'exposure', None)
if exp is not None:
params.exp_time_s = exp
else:
params.exp_time_s = 0.04 # Default
# Transmission
trans = getattr(aaredb_params, 'transmission', None)
if trans is not None:
logger.debug(f"transmission: {trans}")
params.transmission = trans / 100.0 if trans > 1.0 else trans
else:
params.transmission = 1.0 # Default
# Resolution and DTZ
res = getattr(aaredb_params, 'targetresolution', None)
if res is not None:
logger.debug(f"resolution: {res}")
try:
params.dtz = self.diffraction_geometry.calc_dtz_mm(res)
logger.debug(f"dtz: {params.dtz}")
except Exception as e:
logger.error(f"Failed to calculate dtz for resolution {res}: {e}")
params.dtz = 150 # Fallback default
# Adjust exposure time based on resolution
if res <= 1.5:
params.exp_time_s = 0.02
elif 1.5 < res <= 3.0:
params.exp_time_s = 0.04
else:
params.exp_time_s = 0.08
else:
params.dtz = 150
params.exp_time_s = 0.04
return params
def get_collection_params(self, prefer_smart: bool = False) -> tuple[SimpleScanParameters, str]:
spreadsheet_params, file_prefix = self.spreadsheet_params()
logger.debug(f"spreadsheet_params: {spreadsheet_params}")
smart_params = self.__cfg.auto_params
default_params = SimpleScanParameters(exp_time_s=0.04, dtz=110, incr_omega_deg=0.2)
#if file_prefix is not None:
# default_params.file_prefix = file_prefix
#self.__aare.send_msg_to_db(self.sample,event_type=SampleEventType(''), comment=f'smart_params: {smart_params}')
if prefer_smart:
if smart_params:
#if file_prefix:
# smart_params.file_prefix = file_prefix
return smart_params, "smart_params"
if spreadsheet_params:
return spreadsheet_params, "spreadsheet_params"
else:
if spreadsheet_params:
return spreadsheet_params, "spreadsheet_params"
if smart_params:
#if file_prefix:
# smart_params.file_prefix = file_prefix
return smart_params, "smart_params"
return default_params, "defaults"
def _end_operation(self, start) -> float:
"""
End an operation and return elapsed time.
Returns:
(elapsed_seconds, end_time_perf_counter)
"""
self.__cfg.state_busy = False
end = time.perf_counter()
return end - start
def measure(self, sample: SampleShortInfo) -> float:
"""
Main measurement sequence for a given sample.
Includes mounting, loop centering, face detection, auto-raster, and data collection.
Args:
sample: SampleShortInfo object containing sample details
Returns:
Total time taken for the measurement (seconds)
"""
start = time.perf_counter()
formatted_date = datetime.now().strftime('%Y%m%d')
sample_prefix = "{}/{}/{:02d}/{}".format(
formatted_date,
sample.puck_name,
sample.pin,
sample.sample_name
)
try:
logger.info(f"setting busy at {time.perf_counter() - start}")
self.__cfg.try_set_busy(timeout=360)
logger.info(f"set busy at {time.perf_counter() - start}")
if not self._execute_mount_and_prepare(sample):
logger.error("Failed to mount sample")
return self._end_operation(start)
logger.info(f"mounting done at {time.perf_counter() - start}")
# Step 2: Loop centering
if not self._execute_loop_centering(sample.db_id):
logger.error("Loop Centering did not succeed")
return self._end_operation(start)
logger.info(f"alc done at {time.perf_counter() - start}")
# Step 3: Face detection
result = self.__face_detection_sequence(steps=7, step_size=30)
self._emit_face_detection_progress(result)
logger.info(f"face_detection done at {time.perf_counter() - start}")
# Step 4: Auto-center and raster
hex_string = secrets.token_hex(3)
raster_params = self.get_auto_raster_params()
geom = self.sample_geometry
raster_grid = RasterGridRequest(
exp_time_s=raster_params.exp_time_s,
file_prefix=sample_prefix + f"_{hex_string}",
smargon_top_left=SmargonCoordinate(),
n_x=1,
n_y=1,
dtz=raster_params.dtz,
grid_size_mm=Coordinate(x=geom.beam_size_mm.x * 0.5, y=geom.beam_size_mm.y * 0.5),
omega_deg=self.omega,
transmission=raster_params.transmission,
)
raster_result = self._execute_raster_sequence(raster_grid, auto_center=True)
if raster_result is None:
logger.error("Raster result was None")
return self._end_operation(start)
logger.info(f"raster scans done at {time.perf_counter() - start}")
# Step 5: Data collection (rotation)
params, source = self.get_collection_params(prefer_smart=False)
logger.info(f"Using {source} for data collection: {params}")
self.__devs.dtz = params.dtz
start_omega = self.omega
rotation_request = RotationScanRequest(
start_omega_deg=start_omega,
dtz=params.dtz,
file_prefix="data/" + sample_prefix + f"_{hex_string}",
exp_time_s=params.exp_time_s,
incr_omega_deg=params.incr_omega_deg,
steps=params.steps,
transmission=params.transmission,
)
rotation_result = self._execute_rotation_sequence(rotation_request)
if rotation_result is None:
logger.error("Rotation result was None")
return self._end_operation(start)
logger.info(f"rotation done at {time.perf_counter() - start}")
except Exception as e:
logger.error(f"Error in measure: {e}")
self._handle_operation_error("measure", sample, e, error_type="generic")
finally:
logger.debug(f"finally at {time.perf_counter() - start}")
return self._end_operation(start)
def __set_state(self, target: BeamlineStateEnum):
"""__set_state assumes that beamline is already in busy state
it will apply a proper transformation and change state afterward
specifically:
1. If target state is maintenance, just go there
2. If target state is same as current, nothing will happen
3. If target state cannot be reached, exception is raised and current state is kept
4. If exception is raised during transformation, state is set to maintenance
5. If transformation goes OK, target state is set
Busy state will be cleared only, if exception is raised. """
curr_state = self.__cfg.state
if not self.__cfg.state_busy:
raise Exception("Beamline should be busy")
if target == BeamlineStateEnum.Maintenance:
self.__cfg.state = BeamlineStateEnum.Maintenance
elif target != curr_state:
self.__cfg.state = BeamlineStateEnum.Moving
try:
match curr_state:
case BeamlineStateEnum.Maintenance:
if target == BeamlineStateEnum.SampleExchange:
workflows.m2se(self.__devs, self.__cfg)
else:
raise TransformationInvalidException()
case BeamlineStateEnum.SampleExchange:
if target == BeamlineStateEnum.SampleAlignment:
workflows.se2sa(self.__devs, self.__cfg)
elif target == BeamlineStateEnum.BeamLocation:
workflows.se2sa(self.__devs, self.__cfg)
workflows.sa2bl(self.__devs, self.__cfg)
else:
raise TransformationInvalidException()
case BeamlineStateEnum.DewarTransfer:
if target == BeamlineStateEnum.SampleAlignment:
workflows.dh2sa(self.__devs, self.__cfg)
else:
raise TransformationInvalidException()
case BeamlineStateEnum.DataCollection:
if target == BeamlineStateEnum.SampleAlignment:
workflows.dc2sa(self.__devs, self.__cfg)
elif target == BeamlineStateEnum.RobotSampleExchange:
workflows.dc2rse(self.__devs, self.__cfg)
else:
raise TransformationInvalidException()
case BeamlineStateEnum.BeamLocation:
if target == BeamlineStateEnum.SampleAlignment:
workflows.bl2sa(self.__devs, self.__cfg)
elif target == BeamlineStateEnum.SampleExchange:
workflows.bl2sa(self.__devs, self.__cfg)
workflows.sa2se(self.__devs, self.__cfg)
else:
raise TransformationInvalidException()
case BeamlineStateEnum.SampleAlignment:
if target == BeamlineStateEnum.DewarTransfer:
workflows.sa2dh(self.__devs, self.__cfg)
elif target == BeamlineStateEnum.SampleExchange:
workflows.sa2se(self.__devs, self.__cfg)
elif target == BeamlineStateEnum.RobotSampleExchange:
workflows.sa2rse(self.__devs, self.__cfg)
elif target == BeamlineStateEnum.DataCollection:
workflows.sa2dc(self.__devs, self.__cfg)
elif target == BeamlineStateEnum.XrayFluorescence:
workflows.sa2xrf(self.__devs, self.__cfg)
elif target == BeamlineStateEnum.BeamLocation:
workflows.sa2bl(self.__devs, self.__cfg)
else:
raise TransformationInvalidException()
case BeamlineStateEnum.XrayFluorescence:
if target == BeamlineStateEnum.SampleAlignment:
workflows.xrf2sa(self.__devs, self.__cfg)
else:
raise TransformationInvalidException()
case BeamlineStateEnum.RobotSampleExchange:
if target == BeamlineStateEnum.SampleAlignment:
workflows.rse2sa(self.__devs, self.__cfg)
else:
raise TransformationInvalidException()
self.__cfg.state = target
except TransformationInvalidException as e:
self.__cfg.state = curr_state
self.__cfg.state_busy = False
raise
except Exception as e:
self.__cfg.state = BeamlineStateEnum.Maintenance
self.__cfg.state_busy = False
raise
@property
def shutter(self) -> bool:
return self.__devs.shutter
@shutter.setter
def shutter(self, v: bool):
self.__devs.shutter = v
@property
def diffraction_geometry(self) -> DiffractionGeometry:
det_cfg = self.__jfjoch.detector()
return DiffractionGeometry(
energy_keV=self.__devs.energy_kev,
dtz_mm=self.__devs.dtz,
detector_size_pxl=(det_cfg.width, det_cfg.height),
pixel_size_mm=det_cfg.pixel_size_mm,
beam_center_pxl=self.__cfg.beam_center,
detector_description=det_cfg.description,
detector_serial_number=det_cfg.serial_number,
poni_rot1_rad=-0.001396263,
poni_rot2_rad=-0.003839724,
)
@property
def beamline_status(self) -> BeamlineStatus:
return BeamlineStatus(
ring_current_mA=self.__devs.ring_current,
front_light=self.front_light,
back_light=self.back_light,
cryojet_K=self.__devs.cryojet_temp,
shutter_open=self.__devs.shutter,
exp_shutter_open=self.__devs.shutter,
flux_ph_s=self.__devs.full_flux,
sample_camera=self.__devs.samcam_settings,
name=self.__bl,
transmission=self.__devs.transmission,
zoom=self.__devs.zoom,
commissioning_mode=self.__cfg.commissioning_mode,
dtz_min=20,
dtz_max=1000,
)
def _safe_sample(self) -> tuple[SampleShortInfo | None, bool, str | None]:
"""
Return (sample, tell_connected, tell_error) without raising.
"""
try:
return self.sync_current_sample_from_tell(), True, None
except TellCommunicationError as e:
return self.__cfg.current_sample, False, str(e)
except Exception as e:
# Keep status flowing even if Tell code throws something unexpected
return self.__cfg.current_sample, False, f"TELL unavailable: {e}"
def _aerotech_status(self) -> tuple[bool, str | None]:
aerotech_ok = True
aerotech_err: str | None = None
try:
_ = self.__devs.aerotech.status()
except Exception as e:
aerotech_ok = False
aerotech_err = f"Cannot connect to Aerotech: {e}"
return aerotech_ok, aerotech_err
def _safe_geom(self) -> tuple[SampleGeometryModel, bool, str | None, bool, str | None]:
"""
Return (geom, smargon_connected, smargon_error, aerotech_connected, aerotech_error) without raising.
Uses a conservative fallback geometry if Smargon access fails.
"""
aerotech_connected, smargon_connected = True, True
aerotech_error, smargon_error = None, None
try:
return self.sample_geometry, smargon_connected, smargon_error, aerotech_connected, aerotech_error
except SmargonCommunicationError as e:
smargon_error = f"Cannot connect to Smargon: {e}"
smargon_connected = False
except AerotechCommunicationError as e:
aerotech_error = f"Cannot connect to Aerotech: {e}"
aerotech_connected = False
except Exception as e:
smargon_error = f"Safe geometry failed: {e}"
aerotech_error = f"Safe geometry failed: {e}"
aerotech_connected = False
smargon_connected = False
zoom = self.__devs.zoom
fallback = SampleGeometryModel(
beam_location_pxl=self.__cfg.beam_mark_coeff.apply(zoom),
pixel_in_mm=self.__cfg.pixel_to_mm(zoom),
omega_deg=0.0,
smargon=SmargonCoordinate(
sh_mm=Coordinate(x=0.0, y=0.0, z=0.0),
phi_deg=0.0,
chi_deg=0.0,
),
beam_size_mm=self.__cfg.beam_size_mm,
aerotech=Coordinate(x=0.0, y=0.0, z=0.0),
aerotech_meas=Coordinate(x=0.0, y=0.0, z=0.0),
)
return fallback, smargon_connected, smargon_error, aerotech_connected, aerotech_error
def _safe_beamline_status(self) -> BeamlineStatus:
try:
return self.beamline_status
except Exception:
return BeamlineStatus(
name=self.__bl,
ring_current_mA=0.0,
front_light=0.0,
back_light=0.0,
cryojet_K=0.0,
shutter_open=False,
exp_shutter_open=None,
flux_ph_s=0.0,
sample_camera=SampleCameraSettings(gain=0.0, exposure=0.0),
transmission=None,
zoom=self.__devs.zoom,
commissioning_mode=self.__cfg.commissioning_mode,
dtz_min=20,
dtz_max=1000,
)
def _safe_diffraction_geometry(self) -> DiffractionGeometry:
try:
return self.diffraction_geometry
except Exception:
# Must satisfy pydantic constraints in DiffractionGeometry
return DiffractionGeometry(
energy_keV=12.4,
dtz_mm=150.0,
detector_size_pxl=(1, 1),
pixel_size_mm=0.15,
beam_center_pxl=(0.0, 0.0),
detector_description="unavailable",
detector_serial_number="unavailable",
poni_rot1_rad=0.0,
poni_rot2_rad=0.0,
)
@property
def status(self) -> DAQStatusModel:
safe_sample, tell_ok, tell_err = self._safe_sample()
safe_geom, smargon_ok, smargon_err, aerotech_ok, aerotech_err = self._safe_geom()
return DAQStatusModel(
state=self.state,
busy=self.busy,
geom=safe_geom,
bl=self._safe_beamline_status(),
sample=safe_sample,
session=SessionStatus(
current_pgroup=self.__cfg.pgroup,
session=self.__cfg.session_state(0), # 0 is dummy session
staff=False
),
diffraction=self._safe_diffraction_geometry(),
box=self.__saved_box,
last_best_res=self.__cfg.last_best_res,
last_best_b_factor=self.__cfg.last_best_b_factor,
crystal_size=self.__cfg.crystal_size,
tell_connected=tell_ok,
tell_error=tell_err,
smargon_connected=smargon_ok,
smargon_error=smargon_err,
aerotech_connected=aerotech_ok,
aerotech_error=aerotech_err,
)
def cancel(self):
if self.__cfg.state == BeamlineStateEnum.DataCollection:
self.__devs.aerotech.cancel()
self.__jfjoch.cancel()
def anneal(self, time_s: float):
self.__cfg.set_busy(BeamlineStateEnum.SampleAlignment)
try:
self.__devs.anneal(time_s)
finally:
self.__cfg.state_busy = False
def fluorimeter_take_spectrum(self, fm: FluorescenceSpectrumParameterModel) -> FluorescenceSpectrumOutputModel:
self.__cfg.try_set_busy(timeout=360)
try:
self.__set_state(BeamlineStateEnum.XrayFluorescence)
if fm.transmission is not None:
self.__devs.transmission = fm.transmission
# TODO: Fill
self.__set_state(BeamlineStateEnum.SampleAlignment)
self.__cfg.state_busy = False
return None
except Exception as e:
self.__set_state(BeamlineStateEnum.SampleAlignment)
self.__cfg.state_busy = False
raise