he size of the star points by
    giving the ratio between star point radius and stone radius.</p>
</blockquote>

<hr size="1" color="#C0C0C0">

<h4>Mark adjustment</h4>

<blockquote>
    <p>Decimal values. Enables to adjust the width and the size
    of the marks (triangles, crosses, squares and circles). The
    values specify the width of the strokes in points (a point
    being 1/72 inch, about 0.35 mm) and the size with a scale
    factor to be applied to the default size, both values being
    separat