ction of the plot height)[default], in
arcseconds, arcminutes, or degrees (denoted by a 's', 'm', or 'd' suffix), or in pixels (a 'p' 
suffix).</p>

<img align="right" src="images/symbols.png" style="margin: 20px;"/>

<p>Symbol drawing can be a little confusing. The text below describes the symbol syntax but
it is often easier to absorb through examples.  See: <a href="mViewer_cookbookSymbols.html">
Montage Cookbook: Symbols</a></p>

<p>The symbol shape can be one of a pre-defined set:  triangle, box/square