How are Vector images “lossless”?

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Like, Vector images are made of separate shapes instead of pixels, but how does it produce an image on a screen if the screen is covered in pixels?

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Raster images like jpg and png basically describe each pixel in an image. For example, the first pixel is black, the second is blue, the third is red, etc.

Vector images are closer to mathematical equations. Draw a blue circle with a 2 unit circumference, 5 units to the right, a yellow rectangle with the height of 10 units and the width of 4 units, etc.

When your screen displays these shapes, it has to solve these equations and convert them to pixels since that’s how your monitor can display them. But as you zoom in, your computer will solve them again and again, so no matter how close you zoom in, the image will have the same quality.

Raster images are great for things like pictures and digital painting, while vector images are usually used with logos, icons, illustrations, and user interfaces.

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