How to explain the meaning of (PS) in PS pictures?

photoshop is one of the most famous image processing software owned by Adobe, which integrates image scanning, editing and modification, image production, advertising creativity, image input and output, and is deeply loved by graphic designers and computer art lovers.

Adobe was founded in 1981 and is one of the largest personal computer software companies in the United States. Photoshop's specialty lies in image processing, not graphic creation. It is necessary to distinguish between these two concepts. Image processing is the editing and processing of existing bitmap images and the application of some special effects, with the emphasis on image processing; Graphic creation software uses vector graphics to design graphics according to its own ideas. This kind of software mainly includes Illustrator, another famous software of Adobe Company, and Freehand of Macromedia Company.

Image editing is the basis of image processing, which can make various transformations on images, such as enlargement, reduction, rotation, tilt, mirror image and perspective. You can also copy, remove spots, repair, and modify the image damage. This is very useful in wedding photography and portrait processing. It can remove the dissatisfied parts of the portrait and beautify it, and get very satisfactory results.

Image synthesis is to combine several images into a complete image with clear meaning through layer manipulation and tool application, which is the only way for art design. The drawing tools provided by photoshop make foreign images and ideas well integrated, making it possible to make the image synthesis seamless.

Tone color correction is one of the powerful functions in photoshop, which can adjust and correct the color of the image conveniently and quickly, and can also switch between different colors to meet the application of the image in different fields, such as web design, printing, multimedia and so on.

in photoshop, the production of special effects is mainly completed by the comprehensive application of filters, channels and tools. Including the creation of special effects of images and the production of special effects words, such as oil painting, relief painting, plaster painting, sketch and other commonly used traditional art skills can be completed by photoshop special effects. And the production of various special words is the reason why many art designers are keen on photoshop research. Photoshop: It is one of a series of graphics processing software developed by Adobe Company, which is mainly used in image processing and advertising design. At first, it was only used on an Apple computer (MAC), and later a version of for window was developed. Here are some basic concepts in this software.

bitmap: also known as raster image, it is generally used for photo quality image processing, and it is a graph composed of many "pixels" like small squares. Represented by its position and color value, it can show the change of color shadow. In Photoshop, it is mainly used to process bitmaps.

vector diagram: usually it can't provide the image properties of generated photos, and it is generally used for engineering drawing. For example, the quality effect of lighting is difficult to show in a vector diagram.

Resolution: The pixel per unit length is called the resolution of the image, which simply means that the computer image is clear and fuzzy for readers to watch, and there are many resolutions. Such as screen resolution, scanner resolution and printing resolution.

the relationship between image size and image size and resolution: if the image size is large, the resolution is large, the file is large, and the memory occupied is large, the computer processing speed will be slow; on the contrary, if any factor is reduced, the processing speed will be accelerated.

channel: in PS, channel refers to the range of colors. Generally, a basic color is a channel. Such as RGB color, R is red, so the range of R channel is red, G is green and B is blue.

layers: in PS, generally, multiple layers are used to make each layer look like a piece of transparent paper, and when stacked together, it is a complete image. Modify each layer, without any influence on other layers.

color mode of image:

1)RGB color mode: also called additive color mode, it is the best color for screen display, and it is composed of three colors: red, green and blue, and each color can have a brightness change of -255.

2)CMYK color mode: composed of magenta, magenta, magenta and yellow, also called subtractive color mode. Generally, this mode is used for printing output and printing, so CMYK mode is generally used for printing pictures.

3)HSB color mode: color is decomposed into hue, and saturation and brightness are adjusted to get color and change.

4)Lab color mode: this mode describes one tone called a and the other tone called b through one light intensity and two tones. It mainly affects the brightness of the tone. Generally, RGB to CMYK are converted by Lab first.

5) indexed color: In this color, the pixel of the image is represented by one byte, and the color table containing at most 256 colors is stored and the used colors are indexed, so its image quality is not high and it takes up less space.

6) Gray mode: that is, only black and white are used to display the image, with pixel being black and pixel 255 being white.

7) bitmap mode: pixels are not represented by bytes, but by binary, that is, black and white are represented by binary, thus occupying the smallest disk space.

what is the bar box in the upper right corner when the screen resolution is higher than 8X6?

when the resolution is higher than 6*8, there is a dark gray bar box on the far left of the taskbar, which can drag and drop commonly used panels, saving a lot of space.

how to display Chinese font names correctly?

press CTRL+K, and then remove Show Fonts Name In English.

what should I do if I display half a situation when typing?

this is the reason for the font. It is suggested to use "Founder font" or "Microsoft" when using extra-thick XX. When the spacing between fonts is not well set, the Wen Ding font is only half. ..... Hanyi's "turetype" font will also have problems.

several skills when using the Path tool?

hold down the Shift key to force the path or direction line to form a horizontal, vertical or 45-degree angle when making a path with the Pen tool; hold down the Ctrl key to temporarily switch to the path selection tool; hold down the Alt key to click the pen cursor on the black node to change the direction of the direction line and make the curve turn; Press Alt key and click the path with the Direct Selection tool to select the whole path; To select multiple paths at the same time, you can hold down Shift and click one by one; Holding down the "Ctrl+Alt" key to move closer to the path when using the path selection tool will switch to the pen tools of adding nodes and subtracting nodes.

to switch whether the path is displayed, you can hold down the Shift key and click the mouse on the path bar of the path palette, or click in the gray area of the path palette.

to execute several macros (Action) together, you can add a macro first, and then record each macro to be executed.

to add a command after a command in an Action, you can select the command first, then click the Begin recording icon on the palette, select the command you want to add, and then click the Stop recording icon.

when using the Filter/Render/Clouds filter, if you want to generate more obvious rib patterns, you can hold down the Alt key before executing this command; To generate a low-diffuse color support effect, hold down the Shift key before executing the command.

when using the Filter/Render/Lighting Effects filter, if you want to copy the light source in the dialog box, you can press and hold the Alt key before dragging the light source to copy it.

to switch the Color mode directly on the color palette, you can hold down the Shift key first, then move the cursor to the color bar and click.

how to make a picture with a transparent background?

First of all, only GIF can use transparency, so when saving a file, don't choose to save or save as, but choose "Output GIF" directly, and then choose a transparent color. If you need all the transparent parts to be white, choose white, and so on. When making a picture, hide the background picture and then save it for the Web to be transparent.

write Chinese on the GIF, why is the handwriting discontinuous?

first convert GIF into RGB, then turn back to Index Color after writing the words, and select image >; Mode> Rgb/Image> Mode> Index Color。

how to use PS to make the reflection and back of an entity? For example, how does a bottle make its reflection and back?

copy one layer of the bottle and put it under it, black this layer, then Blur it, and then put this layer of Trasnform> Distort, adjust the transparency after adjusting the proportion.

or directly give the bottle layer to Shadow or Outerglow, and then separate the Effect layer, and then it is distorted.

If you mean that the front of the bottle should see the images of the surrounding objects reflected from the back, you can use Render-3D Transform, which is not as real as 3D modeling. There is a filter Lens Pro in PS, which can directly reflect the surface of glass balls. The reflection is in the water Copy the bottle layer, turn it over, reduce the transparency and put it on the water layer. If it is too clear, choose filter >; Distort> Ripple, add some ripples. If it feels too stiff, adjust the color relationship with the water layer in Layer Properties.

to master PS, you need to learn

the use of common selection tools and color filling tools

the use of path tools and rendering tools

the use of layers and layer blending modes

the use of common filters

the adjustment of image color and the use of image modes

the use of path tools

the use of channels and paths, and the analysis and explanation of advanced examples of layers, channels and paths. How to use channels and paths to deduct pictures

How to use common filters and plug-in filters

How to use Photoshop in photos, wedding photos, old photos and other skills

How to use Photoshop in the creation of print advertisements

How to use Photoshop in the production of packaging boxes

How to use Photoshop in the layout and production of web pages

How to use Photoshop in the post-production of renderings.