The erase attribute specifies whether a visual stimulus should be erased or audio stimulus stopped at the end of the trial.
Applies to
<picture> <shape> <sound> <text> <video>
Syntax
/ erase = true(red expression, green expression, blue expression)or
/ erase = falseParameters
| red expression | An integer from 0 to 255 specifying the intensity of the red component. |
| green expression | An integer from 0 to 255 specifying the intensity of the green component. |
| blue expression | An integer from 0 to 255 specifying the intensity of the blue component. |
Remarks
If erase is set to false, the stimulus is not erased at the end of the trial. If set to true, the stimulus is erased using the indicated colored. For sound stimuli, the sound is stopped and the erase color is ignored. The default is to erase the stimulus using the background color of the screen. By default, stimuli are erased using the background color of the screen.
Examples
The following defines a text stimulus that is erased with green:
<text sometext>
/ items = ("blah blah blah")
/ erase = true(0, 255, 0)
</text>