Draw Warning Sign


This block draws a warning sign on the input image based on an input flag.

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Additional information

Version 0.1.0
Input ports
  • Image (sensor_msgs/Image) - The input image on which to draw the warning sign
  • Draw? (std_msgs/Bool) - Whether to draw the warning sign on the input image or not
Output Ports
  • Output Image (sensor_msgs/Image) - The output image along with or without the warning sign, according to the value of the other input
  • Number of Affected Frames - The number of consecutive frames on which to draw the warning sign if the flag input is True for the first frame
  • Warning Sign - The warning sign to be drawn on the input image
  • Warning Sign Opacity - The opacity of the warning sign (between 0 for fully transparent and 1 for fully opaque)


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