Usually, you can zoom an image up to 100 percent without distortion. At the highest level of zoom, you can clearly distinguish individual pixels based on their color, and the overall appearance of the image becomes blurred. On further zooming, the edges in the picture become pixellated. On a similar note, when you gradually zoom into a bitmap image using an image viewer, at first the image may appear to be grainy. Up close, you can clearly differentiate the stone blocks making up the edges of the Pyramids, which are, in fact, not straight at all. But if we look closer, we can start noticing significant roughness in the structure. When we see the Pyramids from a distance, they seem to be smooth pyramidal structures with straight edges. The Pyramids of Egypt are ancient pyramid shaped structures built using huge stone blocks. The answer to this might be best explained with the Egyptian Pyramid analogy. Why bitmap images get blurred on enlargement?
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