svg
31.05.2015 | vb   | lw   | svg | top |
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introduction
zoom example |1| 2 |3|4|
increment = 4 * decrease reset increase

svg graphic of spiral
Enlarge and reduce

In this section I provide an interface to display information and to control zooming. An increment in number of pixels can be set, and three buttons reduce, enlarge, or reset the image size. The content following the drawing moves along, but the drawing can extend beyond the layout frame.

This illustration shows 10'000 dots. The image used on the previous page had only a file size of 32 kb. In the optimised svg-drawing, the file size is with 468 kb about 15 times bigger. But there are of course illustrations with a different file size ratio. Unfortunately, the Safari browser does not yet support compressed svg-files.

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