So, we need. So, in theory. printing equal parts of cyan, magenta. But in the physical world, any printing. Best Selling Auto Dealer Software, Car Dealer Software, Automotive Dealer computer program BHPH. To overcome this. This is the. four color process that. The four separation plates are printed. Each pass through the rollers. These inks are semi transparent. In areas where sequential. For. example, print yellow on top of cyan and. Nowadays, color separation is very easy. But. in the old days, it took the. And we need to consider. Well come. Fast rewind. Halftone Screens. Heres the highly technical. Two. halftone screens. You have to vary the screen angles to avoid. For example, a 4. OK, this definition raises further. Halftoning is. the printing technique that makes use. Tiny discrete dots of one color. In a black and white image, the halftone. K. In color images, there are four screens. If you were to look at colored text or a. Where the. human eye sees continuous color, say a. Lets turn to art to explain the. The. impressionists. Move in too close to an. You could be fooled. But move back to the. None of this is a coincidence the. The impressionists were aware. Placing various. colors closely next to each other allowed. Moreover, the. impressionists avoided the use of outlines. Paint was applied heavily but not allowed. Is. it any surprise that the impressionists. With color printing, you get the same. Now back to printing the small. The jet bit in the term. With all you know about printing now. Fast rewind. Movies and the Illusion of Movement. And how can we avoid mentioning. A movie is composed of at least 2. Slow the speed down to, say, 1. Their. could be as low as 1. Theres a. neurological reason for this your. The. illusion of fluid, continuous movement. OK, I guess you knew that. Youve. all played with a childrens flip. Or maybe youre familiar with the. Eadweard Muybridge. But what only few people know is that. The inner mechanism. Geneva drive, opens and. But it also pulls the film roll frame by. Thats why your have these. The violence of this process explain why. Movie projection simply depends on this. All of that is movie projection. The. and computer screens are different On. Fast rewind. Rosettes and Guillochs. Back to checks and the world of. So, what makes printing checks and. Youll for instance. To understand what a rosette is, simply. The same term is. Or heres the technical definition. Standard Register. Abagnale often consults for. Complex line art with fine. Rosettes. offer an elegant and complex appearance. You can also speak of a. With rosettes, the repetitive ornament has. Now that weve explored how. And to print any. See the difficult task that a. Technology breeds crime. Fast rewind. MoirPatterns. But thats not all. Theres also the printing and. Sit back for some more theoryTo get a well printed document. Wen a halftone. screen with an angle less than a. It all depends on the angle under. The animated picture. The word. means based on a random. Randomly placed dots wont. Human Psychology Books Pdf In Bengali Style. Then again. completely random positioning. So, its difficult to print. But the buck. doesnt stop there moir. This we already know any image printed. Now, the fine. single color dots of the halftoning. The. interference between the. The two fine dot patterns the. It affects the overall. Moir. When scanning images from printed. It all depends on the. Resolution determines the. Here are some interesting facts you. The successor format. Yes, Blu ray. discs are more expensive but they also. One last comment you may think. From a certain. point onwards, too much detail can seem. When the dinosaurs start. Jurassic Park. is added to make their motion look. IMDB page on Jurassic Park. As soon as the scanning resolution is. Take any photo in a glossy magazine. An insect sees the first image, the. OK, these images are artificial. Actually, a strong. A good. printers loupe. Visit any. printing shop and youll these. And in scene 2. 1. Hanratty and Abagnale using. Its not a real. printers loupe. You see it flying over the check for a. Showing. the literal reality would leave the. Scene 2. 1 2 0. And we dont even need. Printed on paper, the. And at. this point, the patterns of colored. To cope with this problem, plenty of. Heres a. after picture More. Lets investigate what happens when. Fast rewind. Vector graphics versus bitmaps. First of all, as you scan a check or a bank. Vector graphics. use mathematical expressions to represent. The digital snapshots you take with your. Zoom in to discover the truth. Bitmaps. image resolution. Of. course, youre watching these logos. Trust me, I downloaded the. Facebook logo. and produced three bitmap images from that. I got a crisp result in all cases, and. Im making. With bitmaps, zooming in several times. Fast rewind. Recreating Rosettes. Scan and reprint a check or a bank. It. becomes immediately clear youre. The smart reader will wonder why this. After all. letters are small too small to. The answer is. anti aliasing. Anti aliasing is the common name to. This softens the. Microsoft has developed its own. We wont go into it, that would. Back to checks. Would you accept a. Diner logo or our. Or if you asked you to. Adobe Illustrator or. Corel. Draw which is cumbersome enough. Photoshop, would you accept that missionNow study the bitmaps below for a few. Furthermore, raster images are. Scan a document at various. Ive taken our rosette and. See how quickly my rosette goes. Initially, I have enough. As for the image with 4. The thinnest lines you can draw and print. Theyre not of the receding kind. Fast rewind. Vignettes. The second reason why checks and. Vignettes are. halftones with the background gradually. You may have heard the word. According to the. The first two definitions show the. When the design is based on a. Prismatic printing is. Here. too, you get fading and blending of two. The inks merge where they meet in. A rainbow. effect is produced Lets have a look at a check. Abagnale designed, the. Watch the ornament on all borders of. And see how the complex. Why are rosettes, vignettes and. The reasons dont change. Detail gets lost Lets explore. Ulysses S. Grant. On a genuine 5. 0 bill, the portrait. Grant appears lifelike and stands out. On the. counterfeit bill, the portrait is. Details merge into the background which. And. gets used for the portrait. With a genuine. bill, the fine lines in the border are. On the counterfeit bill. Fast rewind. High resolution Borders. Which brings us to the closely related. Those are white line patterns against. This time, were not talking about. Straight lines of. In the. second example, more white lines on the. Fast rewind. Security Screens. A similar phenomenon occurs on the back. Its a lightly printed screen with. Original. document, that isnt. Only. a quality check printer reproduces it with. Copy or scan the back of such a. Fast rewind. Void Pantographs, But Dont Ask. The opposite is also used with. A background design is incorporated in. But scan or. xerox copy that same check and the. VOID. NULL, UNAUTHORIZED. COPY or some similar phrase. Youre probably thinking of spy. A light colored. Admittedly. Pantograph is actually a. Greek word, but dont ask me to. In. this context, the word is used as. Of course, having a hidden message show.