![]() ![]() ![]() ![]() (Unfortunately I cannot illustrate this directly here, as SVG vector graphics are not a supported format in these blogs.)Ĭlassical pixel-based document formats include JPEG, TIFF, GIF and its replacement PNG. Once an image is shown at 200% or greater, you can see that it is an array of individual pixels, but vector graphics should remain crisp and smooth even at 1000% or more, as the computer renders each line and curve in the fairest way possible. One very visible insight into the differences can be obtained by zooming in repeatedly on the document. The drawn chessboard, on the other hand, is an assembly of regular squares, each filled in black or white, and can be broken down into those constituents, allowing them to be rejigged and the drawing change. The image contains areas of very dark pixels, and others of very light pixels, but has no sense of structure, of the lines or shapes that make up that image. These are most apparent when you look at an image of a chessboard, and one created using a drawing application. With so many images being passed around social media, it is easy to overlook the power and value of the other type of graphics, based on vectors instead of pixels.įrom the earliest days of computer graphics, distinction has been drawn between pixel-based images and vector graphics. ![]()
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December 2022
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