{"id":479,"date":"2018-09-23T16:32:01","date_gmt":"2018-09-23T20:32:01","guid":{"rendered":"http:\/\/www.joshuarosenstock.com\/teaching\/lightart-a18\/?p=479"},"modified":"2018-09-23T16:32:01","modified_gmt":"2018-09-23T20:32:01","slug":"failure-recalibration-iteration-john-stegeman","status":"publish","type":"post","link":"https:\/\/www.joshuarosenstock.com\/teaching\/lightart-a18\/jtstegeman\/failure-recalibration-iteration-john-stegeman\/","title":{"rendered":"Failure, Recalibration & Iteration: John Stegeman"},"content":{"rendered":"

For this week, I tackled the issue of images not having clarity when photographed. The next image shows the mage quality to start with.<\/p>\n

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This image clearly is not nearly good enough for the art project. The issue was that the original diffusion material, parchment paper, that I was using let through too much light and washed out the photograph and removed the sharp features that should have been there.\u00a0 To remedy the issue I tried standard grey duct tape, which ended up working well first try.\u00a0 It greatly improved the image quality as shown below.<\/p>\n

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I ended up improving the image quality further by using black duct tape, which will also look better in a dark room to view the lights in.\u00a0 To improve viewing, I made up a strip holder out of aluminum angle and an enclosure for the electronics out of an electronics enclosure which I spray painted black to match the theme of the black tape. The holder and enclosure can be seen in the image below.<\/p>\n

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I also did some experimentation with different images that the system can display. In the gallery below, some of the test images are shown. In order top to bottom they are: black hole, ‘strings’ from string theory, a scary image of a person behind a curtain, a long dimly lit hallway, and earth from space.\u00a0 To make the photographs the app Long Exposure Camera 2 <\/a>was used on the default 10 second light trace setting. Alternatively any camera app capable of creating a 10 second exposure will work.<\/p>\n