錄影帶風格的自動動作 (Video Tape-style Auto Action) Video Tape-style Auto Action

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DragonWithaFez ◆

此素材可以在工作室模式下使用。（什麼是工作室模式？）

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自動動作，營造出復古錄影帶風格的效果。 Auto action to create a retro videotape-style effect.

為你的畫作創造復古感，類似於由類比磁帶格式如VHS所產生的訊號劣化。可以用來建立新檔案，或在原始檔案上新增圖層。

模擬多個盡我所能提供VHS的技術細節，包括縮小整體解析度、色度子取樣、色差、色調移動聲和噪音。我可能會嘗試在某個時候補充更多細節。

說明

開場畫圖並執行自動動作。現在有兩個版本：「套用磁帶效果（新檔案）」，會建立一個新檔案來操作（即此濾波器原始版本的操作模式），或是「套用磁帶效果（同一檔案）」，會對原始檔案工作並為濾波後版本建立新圖層。處理同一份檔案會比較困難，但對你來說可能比較方便。

新檔案版本：

選擇一個名字和地點來儲存新檔案。「改變影像大小」視窗會跳出來。預設為適合高解析度檔案，但對於約 4K 以下的檔案你可能想把音階調近 1（預設是 0.22，這樣會更接近做一張 4K 畫布，480px 高），或者降低解析度以提升解析度。試試看試幾次用不同設定看看你喜歡什麼。

A 會用過濾後的影像建立新檔案。如果你不喜歡結果，你可以刪除檔案，且不會有任何變更你的原創畫。

相同檔案版本：

「縮放圖層」工具會出現。跟舊版濾波器一樣，調整你喜歡的比例（預設 22%，和舊版本一樣）。多嘗試，找出你最喜歡的結果。當濾波器完成其他步驟後，「縮放圖層」工具會再次開啟。再把圖層放大到和原始圖片的大小相符。你需要調整多少，取決於你在第一個調整步驟時選擇的設定。你可以用數學計算出精確的數字，或是直接用眼距（最簡單的方法）。

如果結果不滿意，就刪除已建立的圖層，再試一次。

取樣

之前：起始解析度 4K（3840x2160 px）

之後：以預設設定運行（縮放 = 0.22，垂直解析度 = 480px）

之前：起始解析度 = 1080p（1920x1080 像素）

之後：以縮放 = 0.75（輸出解析度 = 1440x810 像素）執行

之前：起始解析度 4K（3840x2160 px）

之後：使用比例 = 0.5（1920x1080 像素）

關於自動行動

如果你從未使用過自動動作，這裡有一些使用指南：

https：//support.clip-studio.com/en-us/faq/articles/20210077

https://support.clip-studio.com/en-us/faq/articles/20220025

Create a retro feel for your drawings, similar to the signal degradation produced by analog tape formats like VHS. Can be used to make a new file, or a new layer on the original file.

Emulates a number of the technical details of VHS to the best of my ability, including decreasing the overall resolution, chroma subsampling, chromatic aberration, hue shifting, and noise. I may attempt to add more details at some point.

Instructions

Open a drawing and run the auto action. There are now two versions: "Apply tape effect (new file)", which will create a new file to operate on (the mode of operation of the original version of this filter), or "Apply tape effect (same file)", which will work on the original file and create new layers for the filtered version. It's somewhat more difficult to work on the same file, but may be more convenient for you.

New File version:

Choose a name and location to save the new file. The "Change image size" window will pop up. The default is good for higher-resolution files, but for files smaller than roughly 4K you may want to move the scale closer to 1 (defaults to .22, which will make a 4K canvas 480px tall), or lower it for higher resolutions. Try it out a few times with different settings to see what you like.

A new file will be created with the filtered image. If you don't like the results, you can delete the file and no changes will have been made to your original drawing.

Same File version:

The "Scale layer" tool will appear. As with the old version of the filter, set the scale to whatever you prefer (default 22%, same as old version). Experiment to find the result you like best. After the filter has finished its other steps, the "Scale layer" tool will open again. Scale the layer back up to match the size of the original image. How much you have to scale will depend on what settings you chose for the first Scale step. You can do some math to find the exact required number to get the precise same size, or just eyeball it (the easiest way).

If you don't like the results, just delete the created layers and try again.

Samples

Before: Starting resolution 4K (3840x2160 px)

After: Run with default settings (scale = 0.22, vertical resolution = 480px)

Before: Starting resolution = 1080p (1920x1080 px)

After: Run with scale = 0.75 (output resolution = 1440x810 px)

Before: Starting resolution 4K (3840x2160 px)

After: Run with scale = 0.5 (1920x1080 px)

About Auto Actions

If you've never used an Auto Action before, here's some guides on how to use them:

https://support.clip-studio.com/en-us/faq/articles/20210077

https://support.clip-studio.com/en-us/faq/articles/20220025