title: remove background from vector image in inkscape
body: <p>I opened a <code>png</code> image in Inkscape and did <strong>Path</strong> -> <strong>Trace Bitmap</strong> to vectorize it, but on preview my image was without blue color. How do I remove that blue background to get only black edge.</p>
  
  <p><a href="https://i.stack.imgur.com/yAkG0.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/yAkG0.png" alt="enter image description here"></a></p>
  
  <p>The <strong>Trace Bitmap</strong> settings are like this:
  <a href="https://i.stack.imgur.com/M9O3q.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/M9O3q.png" alt="enter image description here"></a></p>