Why screen the image before card game printing wholesale? If you do not add what will be the result, today by the Shanghai Jinghao color Printing Co., Ltd. technical staff to explain this little knowledge.

Because the printing process determines that the printing can only use dots to reproduce the continuous tone level of the original manuscript, if the figure is enlarged, it will be found that it is composed of countless dots of varying sizes. We see that although the dot sizes are different, they all occupy the same size spatial position, because after the original image is screened, the image is divided into countless regular arrangement of dots, that is, the continuous modulation image information into discrete dot image information. The larger the dot, the darker the color and the darker the level; The smaller the dot, the lighter the color and the brighter the level. The size of the fixed space occupied by each dot is determined by the number of lines added, for example, if the dot count is 150lpi, there are 150 dot points in the length or width of one inch. The location of the dot space and the dot size are two different concepts, for example, C50% represents the meaning of the dot size accounted for 50% of the dot space location, 100% refers to the dot size all cover the dot space location, that is, the "field" in printing, 0% because there is no dot, only the dot space location, so there is no ink printed on this place. Obviously, the larger the number of mesh, the smaller the spatial position occupied by the dot, the more and more delicate the level can be described. In fact, the layers and colors of the original manuscript are reproduced by this method of hanging the net.

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