openflexure_microscope_server.things.camera.picamera.PiCameraV2

Property	capture_modes	Modes the camera can use for capturing.
Property	streaming_modes	Modes the camera can stream in.
Class Variable	_camera_board	Undocumented

Inherited from StreamingPiCamera2:

Method	__enter__	Start streaming when the Thing context manager is opened.
Method	__exit__	Close the picamera connection when the Thing context manager is closed.
Method	__init__	Initialise the camera with the given camera number.
Method	analogue_gain	The Analogue gain applied by the camera sensor.
Method	analogue_gain.setter	Undocumented
Method	auto_expose_from_minimum	Adjust exposure until a the target white level is reached.
Method	calibrate_lens_shading	Take an image and use it for flat-field correction.
Method	capture_as_array	Acquire one image from the camera and return as an array.
Method	colour_correction_matrix.setter	Undocumented
Method	colour_gains	The red and blue colour gains, must be between 0.0 and 32.0.
Method	colour_gains.setter	Undocumented
Method	discard_frames	Discard frames so that the next frame captured is fresh.
Method	exposure_time	The camera exposure time in microseconds.
Method	exposure_time.setter	Undocumented
Method	flat_lens_shading	Disable flat-field correction.
Method	flat_lens_shading_chrominance	Disable flat-field correction for colour only.
Method	full_auto_calibrate	Perform a full auto-calibration.
Method	reset_ccm	Overwrite the colour correction matrix in camera tuning with default values.
Method	reset_lens_shading	Revert to default lens shading settings.
Method	save_settings	Override save_settings to ensure that camera properties don't recurse.
Method	set_ce_enable_to_off	Set the contrast enhancement to disabled.
Method	set_static_green_equalisation	Set the green equalisation to a static value.
Class Variable	mjpeg_bitrate	Bitrate for MJPEG stream (None for default).
Class Variable	supports_focus_fom	Undocumented
Instance Variable	default_tuning	Undocumented
Instance Variable	stream_active	Whether the MJPEG stream is active.
Instance Variable	streaming_mode	Undocumented
Instance Variable	tuning	The Raspberry PiCamera Tuning File JSON.
Property	calibration_required	Whether the camera needs calibrating.
Property	camera_configuration	The "configuration" dictionary of the picamera2 object.
Property	capture_metadata	Return the metadata from the camera.
Property	colour_correction_matrix	The colour_correction_matrix from the tuning file.
Property	focus_fom	Return the focus figure of merit.
Property	gamma_correction	Return the gamma correction curve from the tuning file.
Property	lens_shading_tables	The current lens shading (i.e. flat-field correction).
Property	manual_camera_settings	The camera settings to expose as property controls in the settings panel.
Property	primary_calibration_actions	The calibration actions for both calibration wizard and settings panel.
Property	secondary_calibration_actions	The calibration actions that appear only in settings panel.
Property	sensor_resolution	The native resolution of the camera's sensor.
Property	streaming	True if the camera is streaming.
Property	thing_state	Update generic camera metadata with Picamera-specific data.
Method	_capture_image	Acquire one image from the camera and return it as a PIL Image.
Method	_create_picam_config_from_mode_info	Create the dictionary to pass to Picamera2.configure.
Method	_ensure_mode_for_capture	Ensure in correct mode for capture.
Method	_get_persistent_controls	Undocumented
Method	_initialise_picamera	Acquire the picamera device and store it as self._picamera.
Method	_on_frame_complete	Undocumented
Method	_start_streaming	Start the MJPEG stream. This is where persistent controls are sent to camera.
Method	_stop_streaming	Stop the MJPEG stream.
Method	_streaming_picamera	Lock access to picamera and return the underlying Picamera2 instance.
Class Variable	_sensor_info	Undocumented
Instance Variable	_analogue_gain	Undocumented
Instance Variable	_camera_num	Undocumented
Instance Variable	_colour_gains	Undocumented
Instance Variable	_exposure_time	Undocumented
Instance Variable	_focus_fom	Undocumented
Instance Variable	_picamera	Undocumented
Instance Variable	_picamera_lock	Undocumented
Instance Variable	_setting_save_in_progress	Undocumented

Inherited from BaseCamera (via StreamingPiCamera2):

Method	background_detector_name	The name of the active background selector.
Method	background_detector_name.setter	Validate and set background_detector_name.
Method	capture	Acquire one image from the camera.
Method	capture_and_save_to_path	Capture an image and save it to disk.
Method	capture_downsampled_array	Acquire one image from the camera, downsample, and return as an array.
Method	capture_to_memory	Capture an image to memory. This can be saved later with save_from_memory.
Method	change_streaming_mode	Change the mode the camera is streaming in.
Method	clear_buffers	Clear all images in memory.
Method	grab_as_array	Acquire one image from the preview stream and return as an array.
Method	grab_jpeg	Acquire one image from the preview stream and return as blob of JPEG data.
Method	grab_jpeg_size	Acquire one image from the preview stream and return its size.
Method	image_is_sample	Label the current image as either background or sample.
Method	kill_mjpeg_streams	Kill the streams now as the server is shutting down.
Method	record_framerate	Record MJPEG stream framerate statistics.
Method	save_from_memory	Save an image that has been captured to memory.
Method	set_background	Grab an image, and use its statistics to set the background.
Method	settle	Sleep for the settling time, ready to provide a fresh frame.
Async Method	snapshot	Return a snapshot from the microscope.
Class Variable	downsampled_array_factor	The downsampling factor when calling capture_downsampled_array.
Class Variable	lores_mjpeg_stream	Undocumented
Class Variable	mjpeg_stream	Undocumented
Class Variable	settling_time	The settling time when calling the settle() method.
Class Variable	supported_image_formats	Undocumented
Property	background_detector	The active background detector instance.
Method	_add_metadata_to_capture	Add the EXIF metadata for a JPEG image.
Method	_collect_ofm_metadata	Return the metadata for a capture.
Async Method	_monitor_framerate	Asynchronously monitor the timing on incoming frames.
Method	_validate_capture_mode	Check input capture mode exists, always returns a valid mode.
Class Variable	_all_background_detectors	Undocumented
Class Variable	_class_settings	Undocumented
Class Variable	_memory_buffer	Undocumented
Instance Variable	_background_detector_name	Undocumented
Instance Variable	_default_background_detector	Undocumented
Instance Variable	_framerate_monitor_running	Undocumented

Inherited from OFMThing (via StreamingPiCamera2, BaseCamera):

Method	create_data_path	Create a RelativeDataPath object with this Thing set as the saving Thing.
Property	data_dir	The data directory for this thing.
Property	show_data_in_gallery	Whether to show in the Gallery.
Class Variable	_show_data_in_gallery	Undocumented
Instance Variable	_data_dir	Undocumented