title: Gnuplot vertical gradient on boxes depending of a value?
body: <p>Is this possible in gnuplot?</p>
  
  <p>How more energie how harder the color, look the example.</p>
  
  <p><img src="https://i.stack.imgur.com/xt8Zg.jpg" alt="enter image description here"></p>
  
  <p><img src="https://i.stack.imgur.com/kFLBX.jpg" alt="enter image description here"> </p>
  
  <pre><code>plot for [i=1:16] file u 1:($10/i):((i*2)*1048576) w boxes lc rgb variable notitle.
  </code></pre>
  
  <p>This is what I have now, this might be a possibility? The first example was an Excel graph.</p>