{"id":1528,"date":"2023-07-30T17:05:03","date_gmt":"2023-07-30T10:05:03","guid":{"rendered":"https:\/\/ladigi.vn\/t\/?p=1528"},"modified":"2023-07-29T08:57:50","modified_gmt":"2023-07-29T01:57:50","slug":"cach-su-dung-cac-layer-de-chinh-sua-anh-hieu-qua-tot-nhat","status":"publish","type":"post","link":"https:\/\/ladigi.vn\/t\/cach-su-dung-cac-layer-de-chinh-sua-anh-hieu-qua-tot-nhat\/","title":{"rendered":"C\u00e1ch s\u1eed d\u1ee5ng c\u00e1c Layer \u0111\u1ec3 ch\u1ec9nh s\u1eeda \u1ea3nh hi\u1ec7u qu\u1ea3 t\u1ed1t nh\u1ea5t"},"content":{"rendered":"
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B\u1ea1n c\u00f3 bi\u1ebft c\u00e1ch s\u1eed d\u1ee5ng layer (hay c\u00f2n g\u1ecdi b\u1eb1ng c\u00e1c l\u1edbp) khi ch\u1ec9nh s\u1eeda \u1ea3nh s\u1ed1 hay kh\u00f4ng? N\u1ebfu ch\u01b0a khi n\u00e0o s\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 n\u00e0y th\u00ec b\u1ea1n \u0111ang \u0111\u1ec3 ph\u00ed m\u1ed9t c\u00f4ng c\u1ee5 ph\u1ea3i n\u00f3i l\u00e0 m\u1ea1nh nh\u1ea5t trong vi\u1ec7c ch\u1ec9nh s\u1eeda \u1ea3nh. C\u00e1c layer h\u00ecnh nh\u01b0 g\u00e2y cho b\u1ea1n kh\u00e1 nhi\u1ec1u tr\u1edf ng\u1ea1i l\u00fac thu\u1edf \u0111\u1ea7u, tuy nhi\u00ean s\u1ef1 th\u1eadt ch\u00fang kh\u00f4ng kh\u00f3 s\u1eed d\u1ee5ng cho \u0111\u1ebfn v\u1eady \u2013 m\u00e0 b\u00ean c\u1ea1nh \u0111\u00f3 c\u00f2n m\u1edf ra r\u1ea5t nhi\u1ec1u c\u00e1c ki\u1ec3u m\u1eb9o v\u1ec1 ch\u1ec9nh s\u1eeda \u1ea3nh s\u1ed1 m\u1ea1nh m\u1ebd. B\u1ea1n c\u0169ng c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c layer \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 l\u1ed9 s\u00e1ng, th\u1ef1c hi\u1ec7n m\u1ed9t s\u1ed1 hi\u1ec7u \u1ee9ng \u0111\u1eb7c bi\u1ec7t nh\u01b0 ch\u1ecdn m\u00e0u…<\/div>\n

Trong b\u00e0i n\u00e0y ch\u00fang t\u00f4i s\u1ebd gi\u1edbi thi\u1ec7u cho c\u00e1c b\u1ea1n m\u1ed9t s\u1ed1 ki\u1ebfn th\u1ee9c c\u0103n b\u1ea3n trong vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c layer.<\/p>\n

T\u00ecm hi\u1ec3u v\u1ec1 c\u00e1c layer<\/strong><\/p>\n

C\u00e1c l\u1edbp th\u1ef1c s\u1ef1 nh\u01b0 nh\u1eefng g\u00ec m\u00e0 thu\u1eadt ng\u1eef c\u1ee7a n\u00f3 bi\u1ec3u \u0111\u1ea1t. H\u00e3y h\u00ecnh dung vi\u1ec7c ch\u1ee5p hai b\u1ee9c \u1ea3nh & \u0111\u1eb7t chi\u1ebfc n\u00e0y l\u00ean tr\u00ean chi\u1ebfc kia. Khi \u0111\u00f3 c\u00e1c b\u1ea1n s\u1ebd c\u00f3 th\u1ec3 kh\u00f4ng th\u1ea5y chi\u1ebfc t\u1ecda l\u1ea1c \u1edf ph\u00eda d\u01b0\u1edbi. Tuy nhi\u00ean v\u1edbi c\u00e1c layer, b\u1ea1n c\u00f3 kh\u1ea3 n\u0103ng l\u00e0m cho b\u1ee9c \u1ea3nh \u1edf tr\u00ean trong su\u1ed1t 1 ph\u1ea7n n\u00e0o \u0111\u00f3, ch\u1ee7 \u0111\u1ea1o do \u0111\u00f3 b\u1ee9c \u1ea3nh kh\u00e1c s\u1ebd hi\u1ec7n xuy\u00ean qua b\u1ee9c \u1ea3nh tr\u00ean. \u0110\u00f3 l\u00e0 m\u1ed9t kh\u00e1i ni\u1ec7m c\u1ee7a c\u00e1c layer 1 c\u00e1ch ng\u1eafn g\u1ecdn nh\u1ea5t. Trong g\u1ea7n nh\u01b0 t\u1ea5t c\u1ea3 c\u00e1c ch\u01b0\u01a1ng tr\u00ecnh ch\u1ec9nh s\u1eeda \u1ea3nh, b\u1ea1n c\u0169ng c\u00f3 th\u1ec3 b\u1ed5 sung th\u00eam nhi\u1ec1u l\u1edbp n\u1ebfu th\u00edch, & thay \u0111\u1ed5i \u201ct\u00ednh m\u1edd \u0111\u1ee5c\u201d (\u0111\u1ed9 trong su\u1ed1t) c\u1ee7a m\u1ed7i l\u1edbp \u2013 \u0111\u1ed9 m\u1edd \u0111\u1ee5c c\u00e0ng th\u1ea5p th\u00ec c\u00e1c l\u1edbp ph\u00eda d\u01b0\u1edbi c\u00e0ng bi\u1ec3u hi\u1ec7n r\u00f5 h\u01a1n.<\/p>\n

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M\u1ed9t layer c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u1ea1o b\u1edfi g\u1ea7n nh\u01b0 t\u1ea5t c\u1ea3 b\u1ea5t k\u1ec3 th\u1ee9 g\u00ec. B\u1ea1n c\u0169ng c\u00f3 th\u1ec3 layer hai \u1ea3nh kh\u00e1c nhau ho\u1eb7c copy m\u1ed9t b\u1ee9c \u1ea3nh t\u01b0\u01a1ng t\u1ef1 nh\u01b0 v\u1eady. M\u1ed9t layer c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t th\u00e0nh ph\u1ea7n \u0111\u1ed3 h\u1ecda, ch\u1eb3ng h\u1ea1n nh\u01b0 1 m\u00e0u \u0111\u1eb7c n\u00e0o \u0111\u00f3 \u0111\u01b0\u1ee3c \u0111i\u1ec1u khi\u1ec3n th\u00f4ng qua Layer Palettr.<\/p>\n

B\u1ed5 sung th\u00eam 1 Layer<\/strong><\/p>\n

V\u1eady ch\u00fang ta th\u1ef1c hi\u1ec7n nh\u01b0 th\u1ebf n\u00e0o? C\u00f3 r\u1ea5t nhi\u1ec1u c\u00e1ch \u0111\u1ec3 b\u1ed5 sung hai b\u1ee9c \u1ea3nh v\u00e0o m\u1ed9t d\u1ef1 \u00e1n b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p s\u1eed d\u1ee5ng c\u00e1c layer, tuy nhi\u00ean h\u00e3y b\u1eaft \u0111\u1ea7u b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p \u0111\u01a1n gi\u1ea3n nh\u1ea5t. Ch\u00fang t\u00f4i s\u1ebd m\u00f4 t\u1ea3 ti\u1ebfn tr\u00ecnh b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p s\u1eed d\u1ee5ng c\u00e1c th\u00e0nh ph\u1ea7n c\u1ee7a Adobe Photoshop, tuy nhi\u00ean trong nhi\u1ec1u ch\u01b0\u01a1ng tr\u00ecnh kh\u00e1c c\u0169ng g\u1ea7n t\u01b0\u01a1ng t\u1ef1 nh\u01b0 nh\u01b0 v\u1eady.<\/p>\n

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\u0110\u1ec3 b\u1eaft \u0111\u1ea7u, m\u1edf hai \u1ea3nh trong Photoshop Elements. C\u00e1c b\u1ea1n s\u1ebd th\u1ea5y ch\u00fang xu\u1ea5t hi\u1ec7n trong Project Bin \u1edf b\u00ean d\u01b0\u1edbi c\u1ee7a m\u00e0n h\u00ecnh, tuy nhi\u00ean ch\u1ec9 m\u1ed9t \u1ea3nh t\u1ecda l\u1ea1c trong workspace t\u1ea1i th\u1eddi \u0111i\u1ec3m n\u00e0y.<\/p>\n

H\u00e3y copy \u1ea3nh trong workspace: Nh\u1ea5n Ctrl-A<\/strong> \u0111\u1ec3 ch\u1ecdn to\u00e0n b\u1ed9 \u1ea3nh, sau \u0111\u00f3 nh\u1ea5n Ctrl-C<\/strong> \u0111\u1ec3 copy n\u00f3 v\u00e0o clipboard.<\/p>\n

Ti\u1ebfp cho \u0111\u1ebfn, k\u00edch \u0111\u00fap v\u00e0o m\u1ed9t \u1ea3nh kh\u00e1c trong Project Bin. \u1ea2nh n\u00e0y s\u1ebd hi\u1ec7n trong workspace. Trong th\u1ef1c \u0111\u01a1n, ch\u1ecdn Layer, New, Layer<\/em> & k\u00edch OK trong h\u1ed9p tho\u1ea1i New Layer. Hi\u1ec7n gi\u1edd c\u00e1c b\u1ea1n s\u1ebd th\u1ea5y m\u1ed9t l\u1edbp trong su\u1ed1t, tr\u1ed1ng r\u1ed7ng t\u1ecda l\u1ea1c tr\u00ean b\u1ee9c \u1ea3nh trong Layer Palette.<\/p>\n

Nh\u1ea5n Ctrl-V<\/strong> \u0111\u1ec3 paste \u1ea3nh \u0111\u00e3 \u0111\u01b0\u1ee3c copy v\u00e0o l\u1edbp. Workspace s\u1ebd \u0111\u01b0\u1ee3c thay th\u1ebf b\u1eb1ng m\u1ed9t \u1ea3nh m\u1edbi, tuy nhi\u00ean c\u00e1c \u1ea3nh kh\u00e1c v\u1eabn t\u1ecda l\u1ea1c n\u01a1i \u0111\u00e2y, ph\u00eda d\u01b0\u1edbi n\u00f3. B\u1ea1n c\u0169ng c\u00f3 th\u1ec3 kh\u00f4ng th\u1ea5y n\u00f3 gi\u1edd \u0111\u00e2y, v\u00ec l\u1edbp tr\u00ean v\u1eabn che khu\u1ea5t ho\u00e0n to\u00e0n n\u00f3 (kh\u00f4ng trong su\u1ed1t).<\/p>\n

Ch\u1ec9nh s\u1eeda m\u1ed9t Layer<\/strong><\/p>\n

\u0110\u1ec3 ch\u1ee9ng t\u1ecf r\u1eb1ng nh\u1eefng g\u00ec ch\u00fang t\u00f4i n\u00f3i l\u00e0 s\u1ef1 th\u1ef1c, h\u00e3y quan s\u00e1t trong Layer Palette. C\u00e1c b\u1ea1n s\u1ebd th\u1ea5y hai \u1ea3nh t\u1ecda l\u1ea1c trong hai l\u1edbp kh\u00e1c nhau. B\u1ea1n c\u0169ng c\u00f3 th\u1ec3 “turn off” l\u1edbp tr\u00ean b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p k\u00edch v\u00e0o h\u00ecnh t\u01b0\u1ee3ng \u201cEye\u201d (con m\u1eaft) t\u1ecda l\u1ea1c \u1edf b\u00ean tr\u00e1i c\u1ee7a l\u1edbp tr\u00ean. \u0110\u1ec3 \u201cturn on\u201d l\u1edbp \u0111\u00f3 quay v\u1ec1, h\u00e3y nh\u1ea5p v\u00e0o h\u00ecnh t\u01b0\u1ee3ng \u201cEye\u201d.<\/p>\n

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B\u1ea1n c\u00f3 mu\u1ed1n thay \u0111\u1ed5i \u0111\u1ed9 trong su\u1ed1t c\u1ee7a l\u1edbp b\u00ean tr\u00ean \u0111\u1ec3 \u1ea3nh ph\u00eda d\u01b0\u1edbi \u0111\u01b0\u1ee3c hi\u1ec7n xuy\u00ean qua n\u00f3 kh\u00f4ng? H\u00e3y ch\u1ecdn l\u1edbp b\u00ean tr\u00ean \u2013 k\u00edch v\u00e0o n\u00f3 trong Layer Palette \u2013 sau \u0111\u00f3 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 m\u1edd \u0111\u1ee5c (Opacity).<\/p>\n

C\u0169ng c\u00f3 th\u1ec3 thay \u0111\u1ed5i v\u1ecb tr\u00ed c\u1ee7a c\u00e1c l\u1edbp. N\u1ebfu mu\u1ed1n l\u1edbp ph\u00eda d\u01b0\u1edbi \u0111\u1ed5i l\u00ean tr\u00ean, h\u00e3y k\u00e9o n\u00f3 l\u00ean. C\u00f3 m\u1ed9t m\u1eb9o n\u01a1i \u0111\u00e2y: L\u1edbp ph\u00eda d\u01b0\u1edbi thu\u1edf \u0111\u1ea7u s\u1ebd b\u1ecb kh\u00f3a xem nh\u01b0 l\u1edbp n\u1ec1n \u201cbackground\u201d \u0111i theo m\u1eb7c \u0111\u1ecbnh (h\u00ecnh t\u01b0\u1ee3ng c\u00e1i m\u00f3c kh\u00f3a ch\u1ee7 \u0111\u1ea1o l\u00e0 ngh\u0129a nh\u01b0 v\u1eady). \u0110\u1ec3 remove n\u00f3, b\u1ea1n c\u1ea7n t\u0103ng c\u1ea5p cho l\u1edbp n\u00e0y. \u0110\u1ec3 th\u1ef1c hi\u1ec7n \u0111i\u1ec1u \u0111\u00f3, h\u00e3y k\u00edch \u0111\u00fap v\u00e0o l\u1edbp d\u01b0\u1edbi c\u00f9ng & k\u00edch OK trong h\u1ed9p tho\u1ea1i New Layer. Hi\u1ec7n gi\u1edd b\u1ea1n c\u0169ng c\u00f3 th\u1ec3 k\u00e9o l\u1edbp ph\u00eda d\u01b0\u1edbi l\u00ean tr\u00ean l\u1edbp \u1edf tr\u00ean \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed5i v\u1ecb tr\u00ed cho ch\u00fang.<\/p>\n

S\u1eed d\u1ee5ng m\u00e0u \u0111i theo l\u1ef1a ch\u1ecdn<\/strong><\/p>\n

Hi\u1ec7n gi\u1edd b\u1ea1n \u0111\u00e3 hi\u1ec3u m\u1ed9t s\u1ed1 ki\u1ebfn th\u1ee9c c\u0103n b\u1ea3n v\u1ec1 s\u1ef1 vi\u1ec7c \u0111i\u1ec1u ch\u1ec9nh l\u1edbp, ch\u00fang ta h\u00e3y t\u1ea1o m\u1ed9t b\u1ee9c \u1ea3nh v\u1edbi m\u00e0u tuy\u1ec3n ch\u1ecdn \u2013 n\u00f3i \u0111i theo c\u00e1ch kh\u00e1c, g\u1ea7n nh\u01b0 to\u00e0n b\u1ed9 b\u1ee9c \u1ea3nh l\u00e0 \u0111en & tr\u1eafng, ch\u1ec9 1 ph\u1ea7n n\u00e0o \u0111\u00f3 c\u00f3 m\u00e0u \u0111\u00e3 ch\u1ecdn.<\/p>\n

B\u1eaft \u0111\u1ea7u b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p m\u1edf \u1ea3nh trong Photoshop Elements. Sau \u0111\u00f3 ch\u1ecdn (Ctrl-A<\/strong>) & copy n\u00f3 (Ctrl-C<\/strong>). Trong th\u1ef1c \u0111\u01a1n, ch\u1ecdn File, New, Image from Clipboard<\/em>. Project Bin s\u1ebd hi\u1ec3n th\u1ecb hai h\u00ecnh \u1ea3nh gi\u1ed1ng h\u1ec7t nhau; ch\u00fang ta s\u1ebd \u0111i\u1ec1u ch\u1ec9nh \u0111en & tr\u1eafng. Ch\u1ecdn Image, Mode, Grayscale<\/em>. Ch\u1ecdn \u1ea3nh \u0111\u00f3 & copy n\u00f3.<\/p>\n

K\u00edch \u0111\u00fap v\u00e0o phi\u00ean b\u1ea3n m\u00e0u c\u1ee7a \u1ea3nh trong Project Bin \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed5i sang n\u00f3, sau \u0111\u00f3 ch\u1ecdn Layer, New, Layer<\/em>. K\u00edch OK. Nh\u1ea5n Ctrl-V<\/strong> \u0111\u1ec3 paste phi\u00ean b\u1ea3n \u0111en tr\u1eafng c\u1ee7a \u1ea3nh v\u00e0o l\u1edbp tr\u00ean c\u00f9ng.<\/p>\n

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K\u00edch Eraser Tool trong thanh toolbar \u1edf ph\u00eda ph\u1ea3i m\u00e0n h\u00ecnh & b\u1eaft \u0111\u1ea7u vi\u1ec7c x\u00f3a. B\u1ea1n c\u0169ng c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh k\u00edch th\u01b0\u1edbc c\u1ee7a Erase Tool b\u1eb1ng Tool Options toolbar \u1edf b\u00ean tr\u00ean c\u1ee7a m\u00e0n h\u00ecnh. Nh\u1eefng n\u01a1i v\u1ebd b\u1eb1ng Eraser c\u00e1c b\u1ea1n s\u1ebd th\u1ea5y m\u00e0u c\u1ee7a l\u1edbp b\u00ean tr\u00ean b\u1ecb m\u1ea5t \u0111i & l\u1edbp m\u00e0u ph\u00eda d\u01b0\u1edbi \u0111\u01b0\u1ee3c l\u1ed9 ra. \u0110\u00e2y l\u00e0 1 c\u00e1ch d\u1ec5 d\u00e0ng \u0111\u1ec3 b\u1ed5 sung th\u00eam m\u00e0u \u0111i theo l\u1ef1a ch\u1ecdn \u0111\u1ec3 v\u1ebd b\u1ee9c tranh m\u1ed9t m\u00e0u.<\/p>\n

Dave Johnson<\/em><\/strong><\/p>\n<\/div>\n

B\u00e0i 14: Layers & C\u00e1c Thao T\u00e1c Tr\u00ean Layers | L\u00e0m Ch\u1ee7 Photoshop CC 2018<\/h2>\n