What does px mean?

The full name of px is "Pixel", which means "pixel" in Chinese. It is the smallest unit that represents a picture or graphic; by combining pixels, complete images and videos can be displayed on the computer. The size of px (pixel) is related to the resolution of the screen. The higher the resolution, the richer the color palette, and the more realistic the color can be expressed.

#The operating environment of this article: Windows 7 system, Dell G3 computer.

I believe many people are familiar with px. We often see px on web pages. So what does px mean? The following php Chinese website will explain px to you.

1: What does px mean?

The px in the page is the abbreviation of Pixel, that is, pixel, which represents a picture or graphic. The smallest unit, pixels, can be combined to display complete images and videos on a computer.

Pixel is a new definition of image element, the basic unit of programmable color displayed in the computer, and the size of the pixel is related to the resolution of the screen. We set the screen to the maximum resolution, and the pixel The material size is the point spacing of the display, which we can also call the size.

Generally, pixels with higher resolution have richer color palettes and can express more realistic colors.

Generally, the color of a pixel is based on the mixed color RGB, and the most allocated data is used to specify the color in the pixel, where each color component is one byte, but color display is not excluded. other bytes.

2: What is the unit of px

px is a relative parameter, there is no absolute ratio, in different The resolution is different, that is to say, the size of the pixels will change. Generally speaking, pixels with higher pixels have richer color palettes and can express more realistic colors.

px is not a unit of length, but a type of pixel. For example, 50px is 50 pixels. If it is 845px*338px, it means there are 845 points in the horizontal direction and 338 points in the vertical direction. The more pixels, the clearer the picture.

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