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Quality of Printed Images

Since it is often desirable to get a good quality print on paper directly from the browser, here are the same equations as earlier. This time the ``extrascale=`' option has been used with a value of 1.5. More than twice the number of pixels are available, for a cost of approximately 1.7 times the disk-space33.

Figure 3: Displayed math environments with extra-scale of 1.5

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On-screen these images appear slightly blurred or indistinct. However there can be marked improvement in the print quality, when printed from some browsers; others may show no improvement at all. The ``anti-aliasing'' helps on-screen. In the printed version jagged edges are indeed softened, but leave an overall fuzziness.

Here are the same equations yet again; this time with ``extrascale=2.0`'. Now there are 4 times the pixels at a cost of roughly 2.45 times the disk space. Compared with the previous images (having 1.5 times extra-scaling), there is little difference in the on-screen images. Printing at 300dpi shows only a marginal improvement; but at 600dpi the results are most satisfying, especially when scaled to be comparable with normal 10pt type.

Figure 4: Displayed math environments with extra-scale of 2.0

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