NullCamera

class NullCamera[source]

Bases: object

__init__()

Methods

`__init__`()
`area_1_empty`()	Checks if area 1 is empty.
`area_2_empty`()	Checks if area 2 is empty.
`area_3_empty`()	Checks if area 3 is empty.
`area_4_empty`()	Checks if area 4 is empty.
`areas_corridor_ok`()	Checks corridor areas status.
`pre_process`(request)	Preprocessing callback for frames.
`print_info_about_config`()	Prints camera configuration info.
`start_camera`()	Starts the camera.
`start_preview_window`()	Starts the preview window.
`start_recording`([path_video, path_csv])	Starts recording.
`stop_camera`()	Stops the camera.
`stop_preview_window`()	Stops the preview window.
`stop_recording`()	Stops recording.
`take_picture`()	Takes a picture.
`write_text`(text)	Writes text annotation to the frame.

Attributes

`annotation`
`area1`
`area1_is_triggered`
`area2`
`area2_is_triggered`
`area3`
`area3_is_triggered`
`area4`
`area4_is_triggered`
`areas`
`change`
`chrono`
`error`
`is_recording`
`path_picture`
`show_time_info`
`trial`
`trigger_event`
`x_position`
`y_position`

area1: list[int] = []

area2: list[int] = []

area3: list[int] = []

area4: list[int] = []

areas: list[list[int]] = []

area1_is_triggered: bool = False

area2_is_triggered: bool = False

area3_is_triggered: bool = False

area4_is_triggered: bool = False

change: bool = False

annotation: str = ''

path_picture: str = ''

error: str = 'Error connecting to the camera '

trial: int = -1

is_recording: bool = False

show_time_info: bool = False

x_position: int = -1

y_position: int = -1

chrono = <village.scripts.time_utils.TimeUtils.Chrono object>

trigger_event = <threading.Event at 0x7f6d09762650: unset>

start_camera() → None[source]: Starts the camera.

stop_camera() → None[source]: Stops the camera.

start_preview_window() → <MagicMock name='mock.QWidget' id='140106287884368'>[source]

Starts the preview window.

Returns:: A QWidget for the preview.
Return type:: QWidget

stop_preview_window() → None[source]: Stops the preview window.

start_recording(path_video: str = '', path_csv: str = '') → None[source]

Starts recording.

Parameters:

path_video (str) – Path for video file.
path_csv (str) – Path for CSV data.

stop_recording() → None[source]: Stops recording.

print_info_about_config() → None[source]: Prints camera configuration info.

pre_process(request) → None[source]

Preprocessing callback for frames.

Parameters:: request – The request object.

write_text(text: str) → None[source]

Writes text annotation to the frame.

Parameters:: text (str) – The text to write.

areas_corridor_ok() → bool[source]

Checks corridor areas status.

Returns:: True if OK.
Return type:: bool

area_1_empty() → bool[source]

Checks if area 1 is empty.

Returns:: True if empty.
Return type:: bool

area_2_empty() → bool[source]

Checks if area 2 is empty.

Returns:: True if empty.
Return type:: bool

area_3_empty() → bool[source]

Checks if area 3 is empty.

Returns:: True if empty.
Return type:: bool

area_4_empty() → bool[source]

Checks if area 4 is empty.

Returns:: True if empty.
Return type:: bool

take_picture() → None[source]: Takes a picture.