{"id":11046,"date":"2006-01-29T20:19:17","date_gmt":"2006-01-29T20:19:17","guid":{"rendered":"http:\/\/blogs.adobe.com\/jnackdev\/2006\/01\/tip-make-raw-files-exif-data-searchable-with-dng.html"},"modified":"2006-01-29T20:19:17","modified_gmt":"2006-01-29T20:19:17","slug":"tip_make_raw_files_exif_data_searchable_wi","status":"publish","type":"post","link":"http:\/\/jnack.com\/blog\/2006\/01\/29\/tip_make_raw_files_exif_data_searchable_wi\/","title":{"rendered":"Tip: Make raw files&#039; EXIF data searchable with DNG"},"content":{"rendered":"<p>My colleague Fergus Hammond made an interesting discovery while using Mac OS X&#8217;s <a href=\"http:\/\/www.apple.com\/macosx\/features\/spotlight\/\" \/>Spotlight<\/a> feature to hunt for EXIF data in his photos.  It seems that Spotlight can&#8217;t find the EXIF in some raw formats, but dropping images onto the free <a href=\"http:\/\/www.adobe.com\/products\/dng\/main.html\">DNG Converter<\/a> makes their metadata readable by Spotlight (not to mention making the image data itself compatible with <a href=\"http:\/\/www.barry.pearson.name\/articles\/dng\/products_y1.htm\">numerous DNG-aware applications<\/a>).<br \/>\nI tried an experiment with a handful of Nikon NEF&#8217;s from a D2X, and sure enough, converting to DNG made their EXIF data visible to Spotlight; here&#8217;s a <a href=\"http:\/\/blogs.adobe.com\/jnack\/files\/images\/EXIF_DNG.html\">screenshot<\/a>.  Now, I should mention that I&#8217;m not an expert on Spotlight&#8217;s capabilities, but these results seem in line with a <a href=\"http:\/\/images.apple.com\/macosx\/pdf\/MacOSX_Spotlight_TB.pdf\">document<\/a> on the Apple site that lists &#8220;GIF, JPEG, PNG, TIFF, EXIF, DNG&#8221; as Spotlight&#8217;s supported image formats.  On my system (OS 10.4.4) Spotlight can find EXIF data in some (but not all) CRW and CR2 files, so your mileage may vary.<br \/>\nIn any case, converting the D2X NEFs to DNG cut the size of each from 19.3 to 11.1MB&#8211;a clear benefit in and of itself.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>My colleague Fergus Hammond made an interesting discovery while using Mac OS X&#8217;s Spotlight feature to hunt for EXIF data in his photos. It seems that Spotlight can&#8217;t find the EXIF in some raw formats, but dropping images onto the free DNG Converter makes their metadata readable by Spotlight (not to mention making the image [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[30],"tags":[],"_links":{"self":[{"href":"http:\/\/jnack.com\/blog\/wp-json\/wp\/v2\/posts\/11046"}],"collection":[{"href":"http:\/\/jnack.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/jnack.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/jnack.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/jnack.com\/blog\/wp-json\/wp\/v2\/comments?post=11046"}],"version-history":[{"count":0,"href":"http:\/\/jnack.com\/blog\/wp-json\/wp\/v2\/posts\/11046\/revisions"}],"wp:attachment":[{"href":"http:\/\/jnack.com\/blog\/wp-json\/wp\/v2\/media?parent=11046"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/jnack.com\/blog\/wp-json\/wp\/v2\/categories?post=11046"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/jnack.com\/blog\/wp-json\/wp\/v2\/tags?post=11046"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}