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At the KIKK festival in Belgium in 2014, I was inspired by the work of Adam Magyar who uses slit-scan photography to make beautiful serene and surrealistic images. So I decided to play with that technique myself, using just a webcam and the OpenFrameworks programming environment.

Step 1: The Technique

The slit scan technique is simple: you take one column of pixels from a moving image (for example from a webcam). You do this say 20 times per second and put all these columns next to each other. This gives an ever growing image like the one above. Every column of pixels in this image is taken of the exact same spot, but they are all taken at a different point in time. The video shows a screen capture of the tool I built in OpenFrameworks.

The next steps will explain how to install that tool so you can play around with slit scanning yourself.

<p>Dont work :/</p>
<p>The build fails for me on Mavericks, xcode 7.2 and OF 0.90. <br><a href="http://i.imgur.com/WmCJuMO.jpg" rel="nofollow">http://i.imgur.com/WmCJuMO.jpg</a><br><br>:(<br><br>Thanks for the great tut anyway</p>
<p>Fascinating!</p>

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More by Erik Boertjes:Interactive projection about love Acrylic tea light holder (that is also a data visualization) Experiments in slit-scan photography 
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