>>screen fillarc?
Usage:
Screen(windowPtr,'FillArc',[color],[rect],startAngle,arcAngle)
Fills an arc with the given color, inscribed within "rect"."color" is the clut index (scalar or [r g b] triplet) that you want to poke into each pixel; default produces black with the standard CLUT for this window's pixelSize. Default "rect" is entire window. Angles are measured in degrees, clockwise from vertical.
Usage:
Screen(windowPtr,'FillArc',[color],[rect],startAngle,arcAngle)
Fills an arc with the given color, inscribed within "rect"."color" is the clut index (scalar or [r g b] triplet) that you want to poke into each pixel; default produces black with the standard CLUT for this window's pixelSize. Default "rect" is entire window. Angles are measured in degrees, clockwise from vertical.