de> will re-open graphics windows and plot new borders.</p>
<p>This function can perform both deletion and addition in one call.
The removal of ring borders takes precedence over addition.</p>
    

    <h2 class="hasAnchor" id="examples"><a class="anchor" href="#examples"></a>Examples</h2>
    <pre class="examples"><div class='input'><span class='no'>img.path</span> <span class='kw'>&lt;-</span> <span class='fu'><a href='https://www.rdocumentation.org/packages/base/topics/system.file'>system.file</a></span