ros_image_streamer.viewer_node Namespace Reference

Classes
class	ViewerNode

Functions
np.ndarray	_to_bgr (np.ndarray frame, str encoding)
tuple[np.ndarray, str]	_raw_msg_to_frame (Image msg)
tuple[np.ndarray, str]	_compressed_msg_to_frame (CompressedImage msg)
None	_draw_label (np.ndarray img, str text, tuple pos, float scale=0.55)
None	_draw_header_overlay (np.ndarray display, header, str encoding, tuple shape)
def	main (args=None)

Variables
dictionary	_ENCODING_CONVERSIONS
int	_FREQ_WINDOW = 30
int	_HEADER_PADDING = 10
int	_HEADER_LINE_H = 22
float	_HEADER_SCALE = 0.50
dictionary	_SINGLE_CHANNEL_ENCODINGS = {'mono8', 'bayer_rggb8', 'bayer_bggr8', 'bayer_gbrg8', 'bayer_grbg8'}

Function Documentation

_compressed_msg_to_frame()

tuple[np.ndarray, str] ros_image_streamer.viewer_node._compressed_msg_to_frame ( CompressedImage  msg )

private

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_draw_header_overlay()

None ros_image_streamer.viewer_node._draw_header_overlay ( np.ndarray  display,   header, str  encoding, tuple  shape  )

private

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_draw_label()

None ros_image_streamer.viewer_node._draw_label ( np.ndarray  img, str  text, tuple  pos, float   scale = 0.55  )

private

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_raw_msg_to_frame()

tuple[np.ndarray, str] ros_image_streamer.viewer_node._raw_msg_to_frame ( Image  msg )

private

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_to_bgr()

np.ndarray ros_image_streamer.viewer_node._to_bgr ( np.ndarray  frame, str  encoding  )

private

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main()

def ros_image_streamer.viewer_node.main

(

args = None

)

Variable Documentation

_ENCODING_CONVERSIONS

dictionary ros_image_streamer.viewer_node._ENCODING_CONVERSIONS

private

Initial value:

=  {
    'rgb8':        cv2.COLOR_RGB2BGR,
    'mono8':       None,
    'bgr8':        None,
    'bayer_rggb8': cv2.COLOR_BayerRGGB2BGR,
    'bayer_bggr8': cv2.COLOR_BayerBGGR2BGR,
    'bayer_gbrg8': cv2.COLOR_BayerGBRG2BGR,
    'bayer_grbg8': cv2.COLOR_BayerGRBG2BGR,
}

_FREQ_WINDOW

int ros_image_streamer.viewer_node._FREQ_WINDOW = 30

private

_HEADER_LINE_H

int ros_image_streamer.viewer_node._HEADER_LINE_H = 22

private

_HEADER_PADDING

int ros_image_streamer.viewer_node._HEADER_PADDING = 10

private

_HEADER_SCALE

float ros_image_streamer.viewer_node._HEADER_SCALE = 0.50

private

_SINGLE_CHANNEL_ENCODINGS

dictionary ros_image_streamer.viewer_node._SINGLE_CHANNEL_ENCODINGS = {'mono8', 'bayer_rggb8', 'bayer_bggr8', 'bayer_gbrg8', 'bayer_grbg8'}

private