Kilian's homepage and public feed Zola 2018-09-01T00:00:00+00:00 https://kilko.de/tags/imagemagick/atom.xml 2018-09-01T00:00:00+00:00 2018-09-01T00:00:00+00:00 Unknown https://kilko.de/feed/til/simulating-a-scan/ <p>Fake a printed, hand-signed and scanned document using imagemagick. Beat the bureucracy.</p> <pre class="giallo z-code"><code data-lang="shellscript"><span class="giallo-l"><span class="z-entity z-name">$</span><span class="z-string"> convert</span><span class="z-string"> input.pdf</span><span class="z-constant"> -</span><span class="z-constant">colorspace</span><span class="z-string"> gray</span><span class="z-constant"> \(</span><span class="z-string"> +clone</span><span class="z-constant"> -</span><span class="z-constant">blur</span><span class="z-string"> 0x0.1</span><span class="z-constant"> \)</span><span class="z-string"> +swap</span><span class="z-constant"> -</span><span class="z-constant">compose</span><span class="z-string"> divide</span><span class="z-constant"> -</span><span class="z-constant">composite</span><span class="z-constant"> -</span><span class="z-constant">linear-stretch</span><span class="z-string"> 5%x0%</span><span class="z-constant"> -</span><span class="z-constant">rotate</span><span class="z-constant"> 0.5</span><span class="z-string"> scan.pdf</span></span></code></pre> <p>Documentation on using <code>-blur</code> can be found <a rel="external" href="https://www.imagemagick.org/Usage/blur/">here</a>.</p> <p>Credits go to <a rel="external" href="https://tex.stackexchange.com/a/94541">tex.stackexchange.com/a/94541</a></p>