PS, what PS, CAD?

PS is the abbreviation of Photoshop, the image processing software on the computer. For the majority of Photoshop lovers, PS is also used to describe Photoshop-processed pictures, that is, non-original and non-unprocessed pictures.

Introduction of Photoshop software

PS refers to Photoshop, which is one of the most famous image processing software in Adobe. Most people are interested in the founder.

The understanding of PHOTOSHOP is limited to "a good picture editing software", and I don't know many of its applications. In fact, PHOTOSHOP has a wide range of applications, including images, graphics, text, video and publishing. Please see the following introduction: 1, graphic design [1] Graphic design is the most widely used field of PHOTOSHOP. Whether it is the cover of the book we are reading, or the posters and posters we see on the street, these graphic prints with rich images basically need PHOTOSHOP software to process the images. 2, repair photos PHOTOSHOP has a powerful image modification function. Using these functions, you can quickly repair a broken old photo, and you can also repair defects such as spots on people's faces. 3. Advertising photography is a kind of work with very strict visual requirements, and the final product of advertising photography often needs to be modified by PHOTOSHOP to get satisfactory results. 4. Image creativity Image creativity is PHOTOSHOP's specialty. Through PHOTOSHOP processing, you can combine unrelated objects, or you can use the method of "changing civet cats for princes" to make the images unrecognizable. 5, artistic text When the text encounters PHOTOSHOP processing, it is destined to be no longer ordinary. PHOTOSHOP can be used to make various changes to the text, and these artistically processed words can be used to increase the effect of the image. 6. The popularity of web production network is an important reason why more people need to master PHOTOSHOP. Because PHOTOSHOP is an indispensable web page image processing software when making web pages. Interface drawings (6 sheets) 7. Post-modification of architectural renderings When making architectural renderings including many three-dimensional scenes, it is often necessary to add and adjust the colors of people and scenes in PHOTOSHOP. 8. Painting Because PHOTOSHOP has good painting and color matching functions, many illustrators often draw sketches with pencils, and then use PHOTOSHOP to fill colors to draw illustrations. In addition, the most popular pixel paintings in recent years are mostly works created by designers with PHOTOSHOP. 9. Drawing or processing 3D stickers in 3D software, if you can make an excellent model, you can't apply realistic stickers to the model, and you can't get a good rendering effect. In fact, when making materials, it is very important not only to rely on the material function of the software itself, but also to use PHOTOSHOP to make suitable materials that cannot be obtained in three-dimensional software. 10, wedding photo design At present, more and more wedding photo studios begin to use digital cameras, which makes the processing of wedding photo design become a new industry. 1 1. Visual creativity Visual creativity and design is a branch of design art. This kind of design usually has no obvious commercial purpose, but because it provides a broad design space for design lovers, more and more design lovers begin to learn PHOTOSHOP and carry out visual creativity with personal characteristics and styles. 12, icon making Although using PHOTOSHOP to make icons feels a bit overqualified, the icons made with this software are really beautiful. 13, interface design Interface design is a new field, which is paid more and more attention by software companies and developers. Although it has not yet become a brand-new profession, I believe there will be a professional interface designer profession soon. There is no professional interface design software at present, so most designers use PHOTOSHOP. The 13 fields of PHOTOSHOP application are listed above, but in fact, its applications are more than these. For example, PHOTOSHOP is also applied to the post-production of film and television and the production of two-dimensional animation.

Photoshop function

Functionally, Photoshop can be divided into image editing, image synthesis, color correction and special effects production. Image editing is the basis of image processing, which can perform various transformations on images, such as enlargement, reduction, rotation, tilt, mirror image and perspective. You can also copy, remove spots, repair and modify damaged images. This is very useful in wedding photography and portrait processing. It can remove the dissatisfied parts of portraits and beautify them, and get very satisfactory results. Image synthesis is to combine several images into a complete image with clear meaning through layer operation and tool application, which is the only way for art design. The drawing tools provided by photoshop make foreign images and ideas blend together well, making it possible to synthesize images seamlessly. Tone color correction is one of the powerful functions in photoshop, which can adjust and correct the color of images conveniently and quickly, and can also switch between different colors to meet the application of images in different fields such as web design, printing and multimedia. The production of special effects in photoshop is mainly accomplished through the comprehensive application of filters, channels and tools. Including the creation of image special effects and the production of special effects characters, such as oil painting, relief painting, plaster painting, sketch and other commonly used traditional artistic skills can be completed through photoshop special effects. And the production of various special characters are the reasons why many art designers are keen on photoshop research. At present, the latest version of Adobe Photoshop CS4 not only contains all the functions of Adobe Photoshop CS3, but also adds 3D and video streaming, animation, depth image analysis and other functions. By using 3D support, people can incorporate 3D content into their 2D works, including editing text in 3D mode. Enhanced vanishing point enables designers to take long-distance measurements and output 3D models from the enhanced vanishing point.

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When people express their thoughts and transmit information, they first use graphics, and then gradually evolved into an abstract version of CAD20 1 1 interface.

Words of justice. This is a great revolution in information exchange. In information exchange, graphic expression has more advantages than literal expression. A drawing can hold a lot of information, and the expression content is intuitive and clear at a glance. It has the commonness of expressing ideas in different nationalities and regions, but it can often reflect information that is difficult to express in words and words. Engineering drawings are the language of engineers. Drawing is an important link in engineering design and even the whole engineering construction. However, drawing drawings is an extremely tedious work, which requires not only correctness and accuracy, but also changes the design scheme with the changes of external conditions such as environment and demand. The drawing of an engineering drawing is usually completed after many revisions and improvements. In the early days, engineers used manual drawing. They use sketches to express their design ideas in different ways. Later, it was gradually standardized and formed a set of rules with certain drawing standards, thus standardizing engineering drawing. However, due to the diversity and variability of the project, manual drawing has long cycle, low efficiency and repetitive work, which hinders the development of construction. Therefore, people try their best to improve labor efficiency, liberate engineers and technicians from tedious and repetitive physical labor and concentrate on pioneering work. For example, in order to reduce a lot of tedious and repetitive work in engineering drawing, engineers have compiled a large number of standard atlas for different project applications. Engineers dream of when they can get rid of the drawing board, realize automatic drawing and express their design ideas in a concise, beautiful and standard way, which is convenient for modification and reuse and improves labor efficiency. With the rapid development of computer and the urgent need of engineering, computer-aided drawing came into being. Early computer-aided design systems were developed on mainframes and super minicomputers, which generally cost hundreds of thousands or even millions of dollars. They are often only used in large-scale automobile, aviation, chemical industry, petroleum, electric power, shipbuilding and other industrial sectors, as well as engineering drawings of various units in the field of engineering construction and design.

It is hard to match it. In 1980s, with the rapid development of microcomputers, computer-aided engineering design gradually became a reality. Computer drawing is to display the graphics on the screen by compiling computer-aided drawing software, and users can edit and modify the graphics directly with the cursor. The computer-aided drawing system consists of a microcomputer with graphic input and output devices (such as keyboard, mouse and plotter) and computer drawing software. With the support of high-performance microcomputers and various external devices, the development of computer-aided drawing software has also been greatly developed. In design, computers are usually used to calculate, analyze and compare many different schemes to determine the best scheme; All kinds of design information, whether digital, literal or graphic, can be stored in the internal memory or external memory of the computer and can be quickly retrieved; Designers usually start with sketches, and the heavy work of turning sketches into working drawings can be handed over to computers. The design results automatically generated by computer can be quickly displayed graphically, which is convenient for designers to judge and modify the design in time; Computers can be used to process graphic data related to editing, enlarging, reducing, translating and rotating graphics. Cad [1] can reduce the repetitive work of designers such as calculation and drawing, focus on the design itself, shorten the design cycle and improve the design quality.

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