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The difference between bitmap and vector art

Pixel requirements

A bitmap is a collection of pixels, also known as a raster image. It is generally used for photo-quality image processing and is a graphic composed of many pixels like small squares. Represented by the position and color value of the pixel, it can show the change of color shading.

Simply put, a bitmap is a pattern composed of countless color points. When you zoom in infinitely, you will see pixel-by-pixel color patches, and the effect will be distorted. Commonly used in picture processing, film and television wedding renderings, etc., like commonly used photos, scans, digital photos, etc., commonly 

used tool software PHOTOSHOP, PAINTER, etc.

Photoshop mainly deals with bitmap images. When you work with bitmap images, you can optimize small details, make significant changes, and enhance the effect. Bitmap images, also known as bitmap images or drawn images, are composed of single points called pixels (picture elements). These points can be arranged and colored differently to form a pattern. When you zoom in on a bitmap, you can see the countless individual squares that make up the entire image. The effect of expanding the size of the bitmap is to increase a single pixel, so that the lines and shapes appear jagged. However, if you view it from a slightly distant position, the color and shape of the bitmap image appear continuous. Since each pixel is individually dyed, you can produce photo-realistic effects, such as darkening shadows and accentuating colors, by manipulating selected areas one pixel at a time. Reducing the size of the bitmap will also distort the original image, because this move reduces the pixels to make the entire image smaller. Similarly, because the bitmap image is created as a collection of arranged pixels, it cannot be operated separately (such as moving ) Partial bitmap.

Resolution requirements

When processing bitmaps, the quality of the output image depends on the resolution set at the beginning of the processing process. Resolution is a general term that refers to the size of the details and information contained in an image file, as well as the level of detail that can be produced by an input, output, or display device. When manipulating bitmaps, resolution will affect both the quality of the final output and the size of the file. Dealing with bitmaps requires thinking twice, because the resolution chosen for an image is usually accompanied by files throughout the process. Whether printing a bitmap file on a 300dpi printer or a 2570dpi phototypesetting device, the file is always printed at the resolution set when the image was created, unless the printer resolution is lower than the imageresolution. If you want the final output to look the same as what is displayed on the screen, you need to understand the relationship between the resolution of the image and the resolution of different devices before starting work. Obviously vector graphics do not have to consider so much.