{"id":905,"date":"2018-04-26T17:09:53","date_gmt":"2018-04-26T17:09:53","guid":{"rendered":"http:\/\/www.joshuarosenstock.com\/teaching\/lightart-d18\/?p=905"},"modified":"2018-04-26T17:09:53","modified_gmt":"2018-04-26T17:09:53","slug":"polish-present-2","status":"publish","type":"post","link":"https:\/\/www.joshuarosenstock.com\/teaching\/lightart-d18\/2018\/04\/26\/polish-present-2\/","title":{"rendered":"Polish &amp; Present"},"content":{"rendered":"<p>Last week I made a rotating light-painting video by keeping the RGBW LED on the arm constantly on, only having the W component active.<\/p>\n<p><iframe loading=\"lazy\" title=\"lightarm light painting rotation cycle 10\" width=\"525\" height=\"295\" src=\"https:\/\/www.youtube.com\/embed\/bqv30GxqZRQ?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/p>\n<p>This week I altered the behavior of the LED and tested different lighting patterns from the same perspective. First I tested blinking the LED on and off at a constant rate to see how only a partial image compared to the full image. Initially the LED was set to blink every 1 sec.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-919\" style=\"font-size: 1rem\" src=\"http:\/\/www.joshuarosenstock.com\/teaching\/lightart-d18\/wp-content\/uploads\/sites\/5\/2018\/04\/IMG_1048-2-800x449.jpg\" alt=\"\" width=\"800\" height=\"449\" srcset=\"https:\/\/www.joshuarosenstock.com\/teaching\/lightart-d18\/wp-content\/uploads\/sites\/5\/2018\/04\/IMG_1048-2-800x449.jpg 800w, https:\/\/www.joshuarosenstock.com\/teaching\/lightart-d18\/wp-content\/uploads\/sites\/5\/2018\/04\/IMG_1048-2-768x431.jpg 768w, https:\/\/www.joshuarosenstock.com\/teaching\/lightart-d18\/wp-content\/uploads\/sites\/5\/2018\/04\/IMG_1048-2-1024x575.jpg 1024w\" sizes=\"auto, (max-width: 767px) 89vw, (max-width: 1000px) 54vw, (max-width: 1071px) 543px, 580px\" \/><\/p>\n<p>While the original image is still visible the large number of separate lines makes the image look very busy and messy. To change that effect I increased the blink time to 2 sec.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-914\" style=\"font-size: 1rem\" src=\"http:\/\/www.joshuarosenstock.com\/teaching\/lightart-d18\/wp-content\/uploads\/sites\/5\/2018\/04\/IMG_1046-800x449.jpg\" alt=\"\" width=\"800\" height=\"449\" srcset=\"https:\/\/www.joshuarosenstock.com\/teaching\/lightart-d18\/wp-content\/uploads\/sites\/5\/2018\/04\/IMG_1046-800x449.jpg 800w, https:\/\/www.joshuarosenstock.com\/teaching\/lightart-d18\/wp-content\/uploads\/sites\/5\/2018\/04\/IMG_1046-768x431.jpg 768w, https:\/\/www.joshuarosenstock.com\/teaching\/lightart-d18\/wp-content\/uploads\/sites\/5\/2018\/04\/IMG_1046-1024x575.jpg 1024w\" sizes=\"auto, (max-width: 767px) 89vw, (max-width: 1000px) 54vw, (max-width: 1071px) 543px, 580px\" \/><\/p>\n<p>Then I increased the blink time to 4 sec.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-913\" style=\"font-size: 1rem\" src=\"http:\/\/www.joshuarosenstock.com\/teaching\/lightart-d18\/wp-content\/uploads\/sites\/5\/2018\/04\/IMG_1047-800x449.jpg\" alt=\"\" width=\"800\" height=\"449\" srcset=\"https:\/\/www.joshuarosenstock.com\/teaching\/lightart-d18\/wp-content\/uploads\/sites\/5\/2018\/04\/IMG_1047-800x449.jpg 800w, https:\/\/www.joshuarosenstock.com\/teaching\/lightart-d18\/wp-content\/uploads\/sites\/5\/2018\/04\/IMG_1047-768x431.jpg 768w, https:\/\/www.joshuarosenstock.com\/teaching\/lightart-d18\/wp-content\/uploads\/sites\/5\/2018\/04\/IMG_1047-1024x575.jpg 1024w\" sizes=\"auto, (max-width: 767px) 89vw, (max-width: 1000px) 54vw, (max-width: 1071px) 543px, 580px\" \/><\/p>\n<p>Then I increased the blink time to 10 sec.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-911\" style=\"font-size: 1rem\" src=\"http:\/\/www.joshuarosenstock.com\/teaching\/lightart-d18\/wp-content\/uploads\/sites\/5\/2018\/04\/IMG_1049-800x449.jpg\" alt=\"\" width=\"800\" height=\"449\" srcset=\"https:\/\/www.joshuarosenstock.com\/teaching\/lightart-d18\/wp-content\/uploads\/sites\/5\/2018\/04\/IMG_1049-800x449.jpg 800w, https:\/\/www.joshuarosenstock.com\/teaching\/lightart-d18\/wp-content\/uploads\/sites\/5\/2018\/04\/IMG_1049-768x431.jpg 768w, https:\/\/www.joshuarosenstock.com\/teaching\/lightart-d18\/wp-content\/uploads\/sites\/5\/2018\/04\/IMG_1049-1024x575.jpg 1024w\" sizes=\"auto, (max-width: 767px) 89vw, (max-width: 1000px) 54vw, (max-width: 1071px) 543px, 580px\" \/><\/p>\n<p>The original image is still discernible but the the new image is less complicated with simple lines that don&#8217;t completely connect. This style with less lines and connections is more abstract and less ridged while still remaining geometric due to the the straight lines and harsh angles.<\/p>\n<p>Next I tried slowly increasing the brightness of\u00a0 LED repeatedly in various cycle times to see if a slow fade in could soften the harsh beginning of the lines. Initially I tried a cycle time of 2.55 seconds.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-910\" style=\"font-size: 1rem\" src=\"http:\/\/www.joshuarosenstock.com\/teaching\/lightart-d18\/wp-content\/uploads\/sites\/5\/2018\/04\/IMG_1050-800x449.jpg\" alt=\"\" width=\"800\" height=\"449\" srcset=\"https:\/\/www.joshuarosenstock.com\/teaching\/lightart-d18\/wp-content\/uploads\/sites\/5\/2018\/04\/IMG_1050-800x449.jpg 800w, https:\/\/www.joshuarosenstock.com\/teaching\/lightart-d18\/wp-content\/uploads\/sites\/5\/2018\/04\/IMG_1050-768x431.jpg 768w, https:\/\/www.joshuarosenstock.com\/teaching\/lightart-d18\/wp-content\/uploads\/sites\/5\/2018\/04\/IMG_1050-1024x575.jpg 1024w\" sizes=\"auto, (max-width: 767px) 89vw, (max-width: 1000px) 54vw, (max-width: 1071px) 543px, 580px\" \/><\/p>\n<p>Compared to the blinking image with a cycle time of 2 sec, this image seems to have softer transitions into the lines. I then tried a cycle time of 6.5025 sec.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-916\" style=\"font-size: 1rem\" src=\"http:\/\/www.joshuarosenstock.com\/teaching\/lightart-d18\/wp-content\/uploads\/sites\/5\/2018\/04\/IMG_1053-1-800x449.jpg\" alt=\"\" width=\"800\" height=\"449\" srcset=\"https:\/\/www.joshuarosenstock.com\/teaching\/lightart-d18\/wp-content\/uploads\/sites\/5\/2018\/04\/IMG_1053-1-800x449.jpg 800w, https:\/\/www.joshuarosenstock.com\/teaching\/lightart-d18\/wp-content\/uploads\/sites\/5\/2018\/04\/IMG_1053-1-768x431.jpg 768w, https:\/\/www.joshuarosenstock.com\/teaching\/lightart-d18\/wp-content\/uploads\/sites\/5\/2018\/04\/IMG_1053-1-1024x575.jpg 1024w\" sizes=\"auto, (max-width: 767px) 89vw, (max-width: 1000px) 54vw, (max-width: 1071px) 543px, 580px\" \/><\/p>\n<p>Then I tried a cycle time of 25.5 sec.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-917\" style=\"font-size: 1rem\" src=\"http:\/\/www.joshuarosenstock.com\/teaching\/lightart-d18\/wp-content\/uploads\/sites\/5\/2018\/04\/IMG_1052-1-800x449.jpg\" alt=\"\" width=\"800\" height=\"449\" srcset=\"https:\/\/www.joshuarosenstock.com\/teaching\/lightart-d18\/wp-content\/uploads\/sites\/5\/2018\/04\/IMG_1052-1-800x449.jpg 800w, https:\/\/www.joshuarosenstock.com\/teaching\/lightart-d18\/wp-content\/uploads\/sites\/5\/2018\/04\/IMG_1052-1-768x431.jpg 768w, https:\/\/www.joshuarosenstock.com\/teaching\/lightart-d18\/wp-content\/uploads\/sites\/5\/2018\/04\/IMG_1052-1-1024x575.jpg 1024w\" sizes=\"auto, (max-width: 767px) 89vw, (max-width: 1000px) 54vw, (max-width: 1071px) 543px, 580px\" \/><\/p>\n<p>As the cycle time increase some parts of the image become brighter than others highlighting different parts of the image rather than having a single brightness.<\/p>\n<p>Lastly, I tried changing the color of the LED using the RGB components of the LED by randomly setting each component every 1 sec.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-915\" style=\"font-size: 1rem\" src=\"http:\/\/www.joshuarosenstock.com\/teaching\/lightart-d18\/wp-content\/uploads\/sites\/5\/2018\/04\/IMG_1045-800x449.jpg\" alt=\"\" width=\"800\" height=\"449\" srcset=\"https:\/\/www.joshuarosenstock.com\/teaching\/lightart-d18\/wp-content\/uploads\/sites\/5\/2018\/04\/IMG_1045-800x449.jpg 800w, https:\/\/www.joshuarosenstock.com\/teaching\/lightart-d18\/wp-content\/uploads\/sites\/5\/2018\/04\/IMG_1045-768x431.jpg 768w, https:\/\/www.joshuarosenstock.com\/teaching\/lightart-d18\/wp-content\/uploads\/sites\/5\/2018\/04\/IMG_1045-1024x575.jpg 1024w\" sizes=\"auto, (max-width: 767px) 89vw, (max-width: 1000px) 54vw, (max-width: 1071px) 543px, 580px\" \/><\/p>\n<p><span style=\"font-size: 1rem\">The color was able to add more dimension to the image, but a less random approach could improve it further and add focus to different parts of image.\u00a0<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Last week I made a rotating light-painting video by keeping the RGBW LED on the arm constantly on, only having the W component active. This week I altered the behavior of the LED and tested different lighting patterns from the same perspective. First I tested blinking the LED on and off at a constant rate &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/www.joshuarosenstock.com\/teaching\/lightart-d18\/2018\/04\/26\/polish-present-2\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Polish &amp; Present&#8221;<\/span><\/a><\/p>\n","protected":false},"author":56,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"cybocfi_hide_featured_image":"","_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-905","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.joshuarosenstock.com\/teaching\/lightart-d18\/wp-json\/wp\/v2\/posts\/905","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.joshuarosenstock.com\/teaching\/lightart-d18\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.joshuarosenstock.com\/teaching\/lightart-d18\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.joshuarosenstock.com\/teaching\/lightart-d18\/wp-json\/wp\/v2\/users\/56"}],"replies":[{"embeddable":true,"href":"https:\/\/www.joshuarosenstock.com\/teaching\/lightart-d18\/wp-json\/wp\/v2\/comments?post=905"}],"version-history":[{"count":7,"href":"https:\/\/www.joshuarosenstock.com\/teaching\/lightart-d18\/wp-json\/wp\/v2\/posts\/905\/revisions"}],"predecessor-version":[{"id":944,"href":"https:\/\/www.joshuarosenstock.com\/teaching\/lightart-d18\/wp-json\/wp\/v2\/posts\/905\/revisions\/944"}],"wp:attachment":[{"href":"https:\/\/www.joshuarosenstock.com\/teaching\/lightart-d18\/wp-json\/wp\/v2\/media?parent=905"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.joshuarosenstock.com\/teaching\/lightart-d18\/wp-json\/wp\/v2\/categories?post=905"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.joshuarosenstock.com\/teaching\/lightart-d18\/wp-json\/wp\/v2\/tags?post=905"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}