{"id":643,"date":"2011-03-28T10:49:27","date_gmt":"2011-03-28T10:49:27","guid":{"rendered":"http:\/\/www.dientoan.us\/?p=643"},"modified":"2018-06-19T10:36:44","modified_gmt":"2018-06-19T10:36:44","slug":"cach-t%e1%ba%a1o-c%e1%ba%a3nh-la-r%c6%a1i-trong-proshow","status":"publish","type":"post","link":"http:\/\/www.dientoan.us\/?p=643","title":{"rendered":"C\u00e1ch t\u1ea1o c\u1ea3nh l\u00e1 r\u01a1i trong Proshow"},"content":{"rendered":"
T\u00f3m t\u1eaft<\/u>: B\u00e0i sau \u0111\u00e2y h\u01b0\u1edbng d\u1eabn c\u00e1ch t\u1ea1o ra c\u1ea3nh l\u00e1 r\u01a1i t\u1eeb h\u00ecnh m\u1ed9t chi\u1ebfc l\u00e1 c\u00f3 s\u1eb5n. B\u00e0i n\u00e0y \u00f4n l\u1ea1i m\u1ed9t s\u1ed1 k\u1ef9 thu\u1eadt hay d\u00f9ng (quay, ph\u00f3ng \u0111\u1ea1i, keyframes) khi c\u1ea7n h\u1ecda h\u00ecnh cho linh \u0111\u1ed9ng d\u00f9ng Photoshop v\u00e0 Proshow.<\/div>\n

D\u00f9ng Firefox, m\u1edf trang images.google.com, t\u00ecm h\u00ecnh l\u00e1 m\u00f9a thu th\u00edch h\u1ee3p cho nh\u1ea1c c\u1ea3nh c\u00f3 l\u00e1 r\u01a1i, ch\u1eb3ng h\u1ea1n nh\u01b0 “falling leaves”. N\u1ebfu \u0111\u01b0\u1ee3c ch\u1ecdn l\u1ef1a, n\u00ean ch\u1ecdn h\u00ecnh c\u00f3 m\u00e0u n\u1ec1n r\u00f5 r\u00e0ng hay ch\u1ec9 c\u00f3 m\u1ed9t m\u00e0u (solid color). D\u00f9ng magic wand (\u0111\u0169a th\u1ea7n) trong Photoshop b\u1ea5m ch\u1ecdn m\u1ed9t trong c\u00e1c v\u1ecb tr\u00ed c\u00f3 m\u00e0u n\u1ec1n mu\u1ed1n x\u00f3a. B\u1ea5m gi\u1eef n\u00fat Shift v\u00e0 ti\u1ebfp t\u1ee5c ch\u1ecdn c\u00e1c v\u1ecb tr\u00ed kh\u00e1c c\u1ea7n x\u00f3a. Khi l\u00e0m xong, b\u1ea5m Alt v\u00e0 Backspace \u0111\u1ec3 x\u00f3a m\u00e0u n\u1ec1n th\u00e0nh trong su\u1ed1t (transparent).<\/p>\n

Khi n\u1ec1n h\u00ecnh c\u00f3 nhi\u1ec1u chi ti\u1ebft v\u00e0 m\u00e0u s\u1eafc kh\u00e1c bi\u1ec7t, ch\u00fang ta n\u00ean \u0111\u1ec3 \u00fd d\u00f9ng k\u1ef9 thu\u1eadt sau \u0111\u00e2y \u0111\u1ec3 \u0111\u1ed5i m\u00e0u th\u00e0nh s\u1eb7c s\u1ee1, \u0111\u1ed3ng th\u1eddi ch\u00e9p hay x\u00f3a nh\u1eefng chi ti\u1ebft trong h\u00ecnh cho \u0111\u01b0\u1ee3c d\u1ec5 d\u00e0ng v\u00e0 nhanh h\u01a1n. Ch\u1ecdn Image.Adjustments.Levels, x\u00ea d\u1ecbch d\u1ea5u hi\u1ec7u tam gi\u00e1c b\u00ean tr\u00e1i (\u1ea3nh h\u01b0\u1edfng c\u00e1c m\u00e0u \u0111\u1eadm) v\u00e0 tam gi\u00e1c b\u00ean ph\u1ea3i (\u1ea3nh h\u01b0\u1edfng c\u00e1c m\u00e0u s\u00e1ng) cho \u0111\u1ebfn khi khu v\u1ef1c mu\u1ed1n s\u1eeda \u0111\u01b0\u1ee3c r\u00f5 n\u00e9t. D\u00f9ng magic wand (\u0111\u0169a th\u1ea7n) trong Photoshop b\u1ea5m ch\u1ecdn m\u1ed9t trong c\u00e1c v\u1ecb tr\u00ed c\u00f3 chi ti\u1ebft mu\u1ed1n gi\u1eef. \u0110\u1ec3 \u00fd ch\u1ec9nh s\u1eeda s\u1ed1 tolerance (\u0111\u1ed9 sai t\u1eeb 8 \u0111\u1ebfn 32) cho th\u00edch h\u1ee3p. S\u1ed1 \u0111\u1ed9 sai nh\u1ecf ch\u1ecdn c\u00f9ng m\u00e0u, s\u1ed1 l\u1edbn ch\u1ecdn th\u00eam c\u00e1c \u00e1nh m\u00e0u t\u01b0\u01a1ng t\u1ef1. Khi l\u00e0m xong, b\u1ea5m Add layer mask (th\u00eam m\u1eb7t n\u1ea1) \u0111\u1ec3 t\u1ea1o ra l\u1edbp ch\u1ee9a c\u00f3 m\u1eb7t n\u1ea1 \u0111\u1ec3 c\u00f3 c\u00e1c chi ti\u1ebft trong h\u00ecnh c\u1ea7n gi\u1eef l\u1ea1i.<\/p>\n

D\u00f9ng m\u1eb7t n\u1ea1 t\u1ea1o ra v\u00e0 t\u00f4 n\u1ec1n h\u00ecnh b\u1eb1ng m\u00e0u \u0111en tr\u01b0\u1edbc khi l\u00e0m m\u1edd b\u1eb1ng c\u00e1ch di chuy\u1ec3n (Motion blur).<\/p>\n

Khi t\u1ea1o c\u1ea3nh l\u00e1 r\u01a1i, n\u1ec1n h\u00ecnh n\u00ean l\u00e0m m\u1edd \u0111i m\u1ed9t ch\u00fat (blur) \u0111\u1ec3 l\u00e1 r\u01a1i tr\u00f4ng r\u00f5 v\u00e0 linh \u0111\u1ed9ng h\u01a1n. Nh\u1eefng chi\u1ebfc l\u00e1 l\u1edbn n\u00ean cho r\u01a1i nhanh v\u00e0 \u0111\u1ec3 m\u1edd \u0111\u1ec3 c\u00f3 c\u1ea3m t\u01b0\u1edfng r\u01a1i s\u00e1t m\u00e1y \u1ea3nh. C\u00e1c l\u00e1 nh\u1ecf n\u00ean cho quay theo m\u1ed9t tr\u1ee5c b\u1eb1ng c\u00e1ch \u0111\u1ed5i \u0111\u1ed9 ph\u00f3ng \u0111\u1ea1i m\u1ed9t tr\u1ee5c ho\u00e0nh \u0111\u1ed9 hay tung \u0111\u1ed9 (zoom X hay zoom Y, \u0111\u1ec3 \u00fd g\u1ee1 d\u1ea5u hi\u1ec7u d\u00e2y x\u00edch), c\u00f3 t\u1ed1i thi\u1ec3u 4 keyframes \u0111\u1ec3 t\u1ea1o ra c\u1ea3m t\u01b0\u1edfng r\u01a1i r\u1edbt t\u1ef1 nhi\u00ean trong kh\u00f4ng kh\u00ed.<\/p>\n

[WMVPlayer video=”\/video\/LaRoi.flv” width=576 height=360 image=”\/video\/LaRoi.jpg”]<\/div>\n

M\u1eb9o v\u1eb7t<\/u>:
\n1. Khi c\u1ea7n ch\u00e9p hay t\u1ea3i xu\u1ed1ng m\u00e1y ri\u00eang h\u00ecnh \u1ea3nh t\u1eeb m\u1ed9t trang web, nhi\u1ec1u khi t\u00e1c gi\u1ea3 c\u1ee7a trang \u0111\u00f3 g\u00e2y kh\u00f3 kh\u0103n cho c\u00f4ng vi\u1ec7c ch\u00e9p xu\u1ed1ng. Trong Firefox, m\u1edf Tools.Page Info, ch\u1ecdn Media. T\u00ecm b\u1ee9c h\u00ecnh mu\u1ed1n ch\u00e9p, b\u1ea5m chu\u1ed9t ph\u1ea3i \u0111\u1ec3 ch\u00e9p t\u00ean h\u00ecnh (copy). Sau \u0111\u00f3, d\u00e1n t\u00ean h\u00ecnh m\u1edbi ch\u00e9p (paste) v\u00e0o khung \u0111\u1ecba ch\u1ec9 (address bar). B\u1ee9c h\u00ecnh kh\u00f4ng c\u00f2n b\u1ecb c\u1ea5m ch\u00e9p s\u1ebd hi\u1ec7n ra. B\u1ea5m chu\u1ed9t ph\u1ea3i, ch\u1ecdn Copy Image \u0111\u1ec3 \u0111em v\u00e0o Photoshop.<\/p>\n

2. D\u00f9ng vpskeys 4.3 \u0111\u1ec3 vi\u1ebft ch\u1eef Vi\u1ec7t c\u00f3 d\u1ea5u khi kh\u00f4ng c\u00f3 Internet (www.vps.org, b\u1ea5m ch\u1ecdn “T\u1ea3i xu\u1ed1ng”).<\/p>\n","protected":false},"excerpt":{"rendered":"

C\u00e1ch t\u1ea1o c\u1ea3nh l\u00e1 r\u01a1i trong Proshow \u0110\u1ecdc ti\u1ebfp →<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[29],"tags":[],"_links":{"self":[{"href":"http:\/\/www.dientoan.us\/index.php?rest_route=\/wp\/v2\/posts\/643"}],"collection":[{"href":"http:\/\/www.dientoan.us\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.dientoan.us\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.dientoan.us\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.dientoan.us\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=643"}],"version-history":[{"count":0,"href":"http:\/\/www.dientoan.us\/index.php?rest_route=\/wp\/v2\/posts\/643\/revisions"}],"wp:attachment":[{"href":"http:\/\/www.dientoan.us\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=643"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.dientoan.us\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=643"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.dientoan.us\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=643"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}