{"id":25262,"date":"2023-03-05T19:08:34","date_gmt":"2023-03-06T00:08:34","guid":{"rendered":"http:\/\/blog.kenperlin.com\/?p=25262"},"modified":"2023-03-05T19:08:34","modified_gmt":"2023-03-06T00:08:34","slug":"circular-projection","status":"publish","type":"post","link":"http:\/\/blog.kenperlin.com\/?p=25262","title":{"rendered":"Circular projection"},"content":{"rendered":"<p>I was visiting a museum today. One of the exhibits featured a circular projection against the wall.<\/p>\n<p>To be clear the projector they used was a perfectly ordinary projector which protects a rectangular image. But a mask was installed near the lens, blocking out all light outside of a soft-edged disk shaped region.<\/p>\n<p>The result is surprising effective. The region within registered not so much as a projection, but as a magical round window into another world.<\/p>\n<p>I am delighted that a technique which is so simple can produce something that is so effective. Somehow this makes me very happy.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>I was visiting a museum today. One of the exhibits featured a circular projection against the wall. To be clear the projector they used was a perfectly ordinary projector which protects a rectangular image. But a mask was installed near the lens, blocking out all light outside of a soft-edged disk shaped region. The result &hellip; <a href=\"http:\/\/blog.kenperlin.com\/?p=25262\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Circular projection&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"_links":{"self":[{"href":"http:\/\/blog.kenperlin.com\/index.php?rest_route=\/wp\/v2\/posts\/25262"}],"collection":[{"href":"http:\/\/blog.kenperlin.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/blog.kenperlin.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/blog.kenperlin.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/blog.kenperlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=25262"}],"version-history":[{"count":1,"href":"http:\/\/blog.kenperlin.com\/index.php?rest_route=\/wp\/v2\/posts\/25262\/revisions"}],"predecessor-version":[{"id":25263,"href":"http:\/\/blog.kenperlin.com\/index.php?rest_route=\/wp\/v2\/posts\/25262\/revisions\/25263"}],"wp:attachment":[{"href":"http:\/\/blog.kenperlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=25262"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/blog.kenperlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=25262"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/blog.kenperlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=25262"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}