Prepress Production Basic Course B
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2, font size
The font size is a measure of the size of the text. The international system is generally used as a point system. In China, the system is based on the number system, and the system is supplemented by the point system. The number system is based on the use of several types of movable type that are not multiplied by each other. It is a self-contained system based on the doubled or halved conversion relationship and can be divided into the fourth character system, the fifth character system, and the sixth character system. The smaller the nominal number of font size is, the larger the font size is. If the fourth character is larger than the fifth character, the fifth character will be larger than the sixth character. The
Point system, also known as point system (P), is measured by calculating the "point" value of the word's appearance. According to the standards of the printing industry, the size of each point of the font size is equal to 0.35mm, and the error must not exceed 0.005mm. If the fifth character is replaced with the dot system, it is equal to 10.5 points, which is 3.675mm. All the outer texts are calculated by points. The size of each point is approximately equal to 1/72 inch, which is equal to 0.35146mm. The
The size of the font size, in addition to the number system and point system, is the size of the traditional typesetting text. In mm, the unit is called "level (J or K)". Each level is equal to 0.25mm and 1mm is equal to 4 levels. The size of the text can be discharged from 7 to 62, and from 7 to 100. In the computer photocopying system, there is a bit of a system and a number system exists. When printing and typesetting, if you encounter a character marked with a number, you must convert the value of the number into a series to be able to grasp the correct size of the character. The conversion relationship between the number and the series is:
1J = 1K = 0.25mm = 0.714 points (P)
1 point (P)=0.35mm=1.4 level (J or K)