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BuKePrinting >> 印刷要素之原稿介紹

印刷要素之原稿介紹

From:Buke printing factory of China | Author:China Bukeprinting factorybook0755 | Published time: 2020-08-14 | 686 Views | Share:
原稿是指印刷所依據的實物或載體上的圖文信息,也可解釋為被復制的對象,原稿存在的形式多種多樣,目前通常將原稿分為三大類

印刷要素之原稿介紹

原稿是指印刷所依據的實物或載體上的圖文信息,也可解釋為被復制的對象,原稿存在的形式多種多樣,目前通常將原稿分為三大類


(1)硬件形式原稿,又稱傳統原稿,如手寫稿、印刷品、打印材料、畫稿、彩色照片,彩色軟


(2)軟件形式原稿。如科技測量、醫學圖像地圖測繪、動畫、表格等


(3)媒體原稿。科技測量、攝像機信號、電視信號、網格信號、光盤等

印刷要素之原稿介紹

無論哪一種形式的原稿,按印刷工藝可分為文字原稿和圖像原稿兩大類:按原稿內容可分為線條原稿和連續調原稿兩大類,線條原稿是由黑白或彩線條組成圖文的原稿.例如各種表格、圖紙、文字原稿、漫畫、地圖等,其本身的色彩和色調深淺變化有明顯的界限。連續調原稿是指調值呈連續漸變形式,例如各種繪畫稿、彩色照片、不透明的黑白照片等

原稿是印刷的依據和基礎,原稿的好壞直接影響印刷品的質量,高質量原稿是獲得高質量印刷品的前提,所以在印刷之前定要認真選擇原稿以保證印刷品的質量般對原稿質量的鑒定,是選擇原稿的主要依據.原稿質量要求如下


(1)線條原稿的質量要求

①線條清晰、無斷筆

②線條流暢、粗細適當

③線條縮小不模糊,放大邊緣不毛糙

④底色與線條色明度反差大,對比要適宜


(2)連續調原稿的質量要求:

①影像清晰,密度要適中

②反差要平衡

③色彩要飽和,不偏色

④主體物的主要色彩要準確


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