Table of Contents
Recognition Cards
  1. video()
  2. enablebox()
  3. disablebox()
  4. setthreshold()
  5. analysecamera()
  6. analysestage()
  7. count()
  8. classname()
  9. x()
  10. y()
  11. width()
  12. height()
  13. confidence()
  14. issignaldetected()
  15. getsignaldetail()
  16. isnumberdetected()
  17. getnumberdetail()
  18. isobjectdetected()
  19. getobjectdetail()
Python Function

Function Definition: video(video_state = "on", transparency = 1)

  • Python Library: Recognition Cards
  • Library Import: cards = RecognitionCards()
  • Mode: Stage Mode

Parameters

NameTypeDescriptionExpected ValuesDefault Value
video_statestringSet the state of the camera feed on the stage to the specified state."on", "off", or "on flipped""on"
transparencyintSet the transparency of the video on the stage.0-1001

Description

This function helps turn the video on/off on the stage with a defined level of transparency.

  • On, the default option turns the video on, off switches it off, and on flipped turns on the camera feed, but flipped.
  • The transparency percentage can be set by entering a numeric value as an argument.

Example

AI Delivery Robot – Python

The example demonstrates how to make a delivery robot that follows the line and stops when it reaches checkpoint 1 in the Python Coding Mode.
Download File

Code

sprite = Sprite('Tobi')
quarky = Quarky()
cards = RecognitionCards()

cards.video("on", 0)
cards.enablebox()
cards.setthreshold(0.5)

quarky.setirthreshold("IRL", 3000)
quarky.setirthreshold("IRR", 3000)
quarky.initializelinefollower(35, 40, 10)

quarky.drawpattern("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa")

while True:
  if not (quarky.getirstate(35) and quarky.getirstate(34)):
    quarky.dolinefollowing()

  else:
    quarky.stoprobot()
    cards.analysecamera()

    if cards.isnumberdetected(1):
      quarky.drawpattern("ccccccccccccccccccccccccccccccccccc")
      break

    quarky.runrobot("FORWARD", 40)

Output

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