def save_grid_view(self):
"""
Saves grid view in png file
:return: None
"""
file_types = "PNG (*.png)"
filename = str(
QtImport.QFileDialog.getSaveFileName(
self,
"Choose a filename to save under",
os.path.expanduser("~"),
file_types,
)
)
filename += ".png"
image = QtImport.QImage(
self.grid_graphics_view.scene().sceneRect().size().toSize(),
QtImport.QImage.Format_ARGB32,
)
image.fill(QtImport.Qt.white)
image_painter = QtImport.QPainter(image)
self.grid_graphics_view.render(image_painter)
image_painter.end()
image.save(filename)
def display_image(self, index):
if self.image_reading_thread is None:
return
# osc_seq = self.config_dict["collect"]["oscillation_sequence"][0]
# angle = osc_seq["start"] + index * osc_seq["range"]
# self.motor_positions["phi"] = angle
# HWR.beamline.diffractometer.set_static_positions(self.motor_positions)
# self.graphics_omega_reference_item.set_phi_position(angle)
self.current_image_index = index
raw_image = self.image_reading_thread.get_raw_image(index)
if self.ff_apply:
if self.ff_corrected_list[index] is None:
corrected_im_min_max = (
self.image_reading_thread.get_corrected_im_min_max())
ff_image = self.image_reading_thread.get_ff_image(
index).astype(float)
ff_corrected_image = np.divide(
raw_image.astype(float),
ff_image,
out=np.ones_like(raw_image.astype(float)),
where=ff_image != 0,
)
im = (255.0 * (ff_corrected_image - corrected_im_min_max[0]) /
(corrected_im_min_max[1] - corrected_im_min_max[0]))
self.ff_corrected_list[index] = im.astype(np.uint16)
else:
im = self.ff_corrected_list[index]
else:
raw_im_min_max = self.image_reading_thread.get_raw_im_min_max()
im = (255.0 * (raw_image - raw_im_min_max[0]) /
(raw_im_min_max[1] - raw_im_min_max[0]))
if im is not None:
self.qimage = QtImport.QImage(
im.astype(np.uint8),
im.shape[1],
im.shape[0],
im.shape[1],
QtImport.QImage.Format_Indexed8,
)
self.graphics_camera_frame.setPixmap(
self.qpixmap.fromImage(self.qimage))
self.emit("imageLoaded", index)
def display_image(self, index):
"""
Displays image on the canvas
:param index: int
:return:
"""
angle = self.collect_omega_start + index * self.image_count / 360.0
if angle > 360:
angle -= 360
elif angle < 0:
angle += 360
self.graphics_omega_reference_item.set_phi_position(angle)
self.current_image_index = index
im = self.image_reading_thread.get_raw_image(index)
if self.ff_apply and self.image_processing_thread:
if self.ff_corrected_list[index] is None:
im_min, im_max = self.image_processing_thread.get_im_min_max()
im = self.image_reading_thread.get_raw_image(index).astype(float)
ff_image = self.image_reading_thread.get_ff_image(index).astype(float)
ff_corrected_image = np.divide(
im, ff_image, out=np.ones_like(im), where=ff_image != 0
)
im = 255.0 * (ff_corrected_image - im_min) / (im_max - im_min)
self.ff_corrected_list[index] = im.astype(np.uint16)
else:
im = self.ff_corrected_list[index]
# sx = ndimage.sobel(im, axis=0, mode='constant')
# sy = ndimage.sobel(im, axis=1, mode='constant')
# im = np.hypot(sx, sy)
if im is not None:
self.qimage = QtImport.QImage(
im.astype(np.uint8),
im.shape[1],
im.shape[0],
im.shape[1],
QtImport.QImage.Format_Indexed8,
)
self.graphics_camera_frame.setPixmap(self.qpixmap.fromImage(self.qimage))
self.emit("imageLoaded", index)
def init(self):
AbstractCollect.init(self)
self.ready_event = gevent.event.Event()
self.image_dimension = (2048, 2048)
self.reference_distance = self.getProperty("reference_distance")
self.reference_angle = self.getProperty("reference_angle")
QtGraphicsManager.init(self)
self.disconnect(HWR.beamline.sample_view.camera, "imageReceived",
self.camera_image_received)
self.disconnect(
HWR.beamline.diffractometer,
"minidiffStateChanged",
self.diffractometer_state_changed,
)
self.disconnect(
HWR.beamline.diffractometer,
"centringStarted",
self.diffractometer_centring_started,
)
self.disconnect(
HWR.beamline.diffractometer,
"centringAccepted",
self.create_centring_point,
)
self.disconnect(
HWR.beamline.diffractometer,
"centringSuccessful",
self.diffractometer_centring_successful,
)
self.disconnect(
HWR.beamline.diffractometer,
"centringFailed",
self.diffractometer_centring_failed,
)
self.disconnect(
HWR.beamline.diffractometer,
"pixelsPerMmChanged",
self.diffractometer_pixels_per_mm_changed,
)
self.disconnect(
HWR.beamline.diffractometer,
"omegaReferenceChanged",
self.diffractometer_omega_reference_changed,
)
self.disconnect(
HWR.beamline.diffractometer,
"minidiffPhaseChanged",
self.diffractometer_phase_changed,
)
self.diffractometer_pixels_per_mm_changed((20., 20.))
self.graphics_manager_hwobj = self.getObjectByRole("graphics_manager")
self.graphics_scale_item.set_start_position(
20, self.image_dimension[1] - 20)
self.graphics_scale_item.set_custom_pen_color(Colors.BLUE)
self.graphics_omega_reference_item.set_custom_pen_color(
Colors.DARK_BLUE)
self.graphics_measure_distance_item.set_custom_pen_color(
Colors.DARK_BLUE)
self.graphics_beam_item.hide()
self.graphics_view.scene().measureItemChanged.connect(
self.measure_item_changed)
self.graphics_view.scene().setSceneRect(0, 0, self.image_dimension[0],
self.image_dimension[1])
self.qimage = QtImport.QImage()
self.qpixmap = QtImport.QPixmap()
self.chan_frame = self.get_channel_object("chanFrame")
self.chan_frame.connectSignal("update", self.frame_changed)
self.chan_ff_ssim = self.get_channel_object("chanFFSSIM")
self.chan_ff_ssim.connectSignal("update", self.ff_ssim_changed)
self.chan_collect_status = self.get_channel_object("collectStatus")
#self._actual_collect_status = self.chan_collect_status.getValue()
self.chan_collect_status.connectSignal("update",
self.collect_status_update)
self.chan_collect_frame = self.get_channel_object("chanFrameCount")
self.chan_collect_frame.connectSignal("update",
self.collect_frame_update)
self.chan_collect_error = self.get_channel_object("collectError")
self.chan_collect_error.connectSignal("update",
self.collect_error_update)
self.chan_camera_warning = self.get_channel_object("cameraWarning")
self.chan_camera_warning.connectSignal("update",
self.camera_warning_update)
self.chan_camera_error = self.get_channel_object("cameraError")
self.chan_camera_error.connectSignal("update",
self.camera_error_update)
self.cmd_collect_detector = self.get_command_object("collectDetector")
self.cmd_collect_directory = self.get_command_object(
"collectDirectory")
self.cmd_collect_exposure_time = self.get_command_object(
"collectExposureTime")
self.cmd_collect_in_queue = self.get_command_object("collectInQueue")
self.cmd_collect_num_images = self.get_command_object(
"collectNumImages")
self.cmd_collect_range = self.get_command_object("collectRange")
self.cmd_collect_scan_type = self.get_command_object("collectScanType")
self.cmd_collect_shutter = self.get_command_object("collectShutter")
self.cmd_collect_shutterless = self.get_command_object(
"collectShutterless")
self.cmd_collect_start_angle = self.get_command_object(
"collectStartAngle")
self.cmd_collect_template = self.get_command_object("collectTemplate")
self.cmd_collect_ff_num_images = self.get_command_object(
"collectFFNumImages")
self.cmd_collect_ff_offset = self.get_command_object("collectFFOffset")
self.cmd_collect_ff_pre = self.get_command_object("collectFFPre")
self.cmd_collect_ff_post = self.get_command_object("collectFFPost")
self.cmd_camera_trigger = self.get_command_object("cameraTrigger")
self.cmd_camera_live_view = self.get_command_object("cameraLiveView")
self.cmd_camera_write_data = self.get_command_object("cameraWriteData")
self.cmd_camera_ff_ssim = self.get_command_object("cameraFFSSIM")
self.cmd_collect_start = self.get_command_object("collectStart")
self.cmd_collect_abort = self.get_command_object("collectAbort")
self.beam_focusing_hwobj = self.getObjectByRole("beam_focusing")