The shape element defints a single shape stimulus and specifies how the shape is presented.

Syntax

<shape shapename>
/ color = (red expression, green expression, blue expression)
/ erase = true(red expression, green expression, blue expression) or false
/ halign = alignment
/ hposition = x expression
/ position = (x expression, y expression)
/ shape = shapename
/ size = (width expression, height expression)
/ valign = alignment
/ vposition = y expression
</shape>

Properties

shape.shapename.color
shape.shapename.colorblue
shape.shapename.colorgreen
shape.shapename.colorred
shape.shapename.erase
shape.shapename.erasecolorblue
shape.shapename.erasecolorgreen
shape.shapename.erasecolorred
shape.shapename.height
shape.shapename.hposition
shape.shapename.item
shape.shapename.itemcount
shape.shapename.name
shape.shapename.playthrough
shape.shapename.selectedindex
shape.shapename.selectedvalue
shape.shapename.stimulusonset
shape.shapename.typename
shape.shapename.vposition
shape.shapename.width

Remarks

Shape stimuli provide a convenient means of overwriting previously presented stimuli during a presentation sequence, or for drawing background to be presented behind other stimuli.

Examples

The following defines a set of picture items presented on the right side of the screen:

<shape bluecircle>
/ shape = circle
/ color = (0, 0, 200)
</shape>