We simplified the robofile just down to the basics to illustrate how to do this.
Note the confusing part is how to detect that a circle has been found by the circle module. In this case we use the If statement module to detect the SIZE of the array being produced is > 1 (i.e. it has some information in it). When you use the If statement module and just specify an array it will grab the size of that array. If you want to test a specific element within the array you then use the variable:1 or variable:2 etc notation.
Hopefully this robofile illustrates the point. Note that we included a test image that should trigger the text display. Try dragging other images into RR to see what happens. Note that if more than 1 circle is found it will also trigger the text display.
You would then replace the text display with whatever else you would prefer to do when a circle is detected. Note that if you are using sound (like the beep module) then you will hear very rapid beeping when using video as each new image will trigger a beep ... using static images you should only hear one.
STeven.
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