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What are the professional terms you need to know to learn Photoshop

Source: Shangpin China | Type: website encyclopedia | Time: November 30, 2015
Before formally learning Photoshop CS5, we should first introduce some related terms to help readers better understand Website construction Technical principle of.

1. Bitmap

Bitmaps are also called "dot matrix maps" or "pixel maps". Their size and quality are determined by the number of pixels in the image. Bitmaps have strong expressiveness, rich layers, and are delicate and delicate. They can show realistic picture effects, but they will become blurred after being magnified.
bitmap

2. Vector diagram

Vector map is also called "vector map", also called "object-oriented image" or "drawing image". The graphic elements in a vector file are called objects. Each object is a self-contained entity with attributes such as color rendering, shape, outline, size and screen position. The vector image is not affected by the device resolution. When the vector image is enlarged or reduced, the display quality of the image will not change.
Vectorgraph

3. Pixel

Pixel is English for pixels. It is the basic unit that constitutes an image and is displayed in a rectangle. The more pixels per unit area, the clearer and more realistic the image is, and the better the image effect is.

pixel

4. Resolution

Resolution is a technical parameter to measure the fading power of image details. It is related to the clarity of the image, expressed in ppi (pixels per inch). The more data contained, the larger the file size of the image, and the richer the details can be displayed.
resolving power

5. Hue

Hue refers to the appearance of various colors. It is usually marked by the name of color, which is the primary feature of color. Adjusting the hue of an image can change the color effect of the image, making it change between multiple colors.
Hue

6. Saturation

Saturation refers to the intensity of image color, that is, the purity of color. When the saturation is very low, the image will become a grayscale image. When its hue is modified, the color of the image will not change. When the saturation is very high, the image will become particularly bright.
saturation

7. Brightness

Brightness refers to the degree of brightness and darkness of the picture that human beings perceive subjectively. The larger the brightness value, the brighter the image is: the smaller the brightness bit, the darker the image is.
brightness

8. Contrast

Contrast refers to the ratio of light and dark parts in an image, usually expressed as a percentage from black to white. The greater the contrast, the greater the difference between light and dark in the picture.
contrast ratio

9. Tone

Hue refers to the overall tendency of image color appearance. In the three elements of hue, saturation and lightness, which factor plays a leading role, we call the image which hue. The color of an image can be changed by adjusting its hue.
tone

10. Color mode

Color modes can be used to distinguish different ways of computer recording image colors. The color modes in Photoshop include eight main modes: bitmap mode, gray-scale mode, two tone mode, indexed color mode, RGB color mode, CMYK color mode, Lab color mode and multi-channel mode. Different modes have different characteristics, and they can be converted to each other.
Color mode
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Disclaimer

Thank you very much for visiting our website. Please read all the terms of this statement carefully before you use this website.

1. Part of the content of this site comes from the network, and the copyright of some articles and pictures involved belongs to the original author. The reprint of this site is for everyone to learn and exchange, and should not be used for any commercial activities.

2. This website does not assume any form of loss or injury caused by users to themselves and others due to the use of these resources.

3. For issues not covered in this statement, please refer to relevant national laws and regulations. In case of conflict between this statement and national laws and regulations, the national laws and regulations shall prevail.

4. If it infringes your legitimate rights and interests, please contact us in time, and we will delete the relevant content at the first time!

Contact: 010-60259772
E-mail: [email protected]