使用 inkscape 将位图转化为矢量图

galeki posted @ 2009年11月03日 21:03 in 桌面应用软件 with tags Inkscape 位图矢量图 , 22726 阅读

向期刊投论，有时候编辑会来信要求将文章中的某些位图格式（bmp、png、jpg 等）的插图转化为矢量图格式。矢量图的好处，大家应当也都清楚，可以任意放大，图像依然保持清晰。在 Linux 下，我们可以使用 inkscape 实现位图向矢量图的转换。

inkscape 的位图/矢量图转换功能是通过集成一个叫做 Autotrace 的程序来实现的，可以通过 inkscape 的菜单 “File -> Import” 将位图导入，然后利用菜单 "Path -> Trace Bitmap" 来打开 inkscape 所集成的 Autotrac 程序实现对位图对象的矢量图转换处理，如下图所示。转换方式有多种，比如亮度检测、边缘检测、颜色检测等，其目的无非就是将位图中的图形轮廓识别出来。可以根据自己的需要，并试探性的调整各项参数，实现最佳的转换效果。

下面对那个 TeX 老狮子手里拿的那本书做个特写，用以展示原始位图经过矢量轮廓跟踪转换效果。先来看原始位图：

下面是矢量转换效果：

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Inkscape -- 强大的 SVG 编辑器

[回复]

pingz 说:
2009年11月03日 22:31

改图就是麻烦。还是一开始就就出成矢量图来的好……

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Martin 说:
2009年11月04日 00:23

呵呵位图就是位图，转过以后也还是位图

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LiYanrui 说:
2009年11月04日 01:30

@Martin: 你错了，转过之后就是矢量图，只不过是与原始图相比有些失真的矢量图而已

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LiYanrui 说:
2009年11月04日 01:32

@Martin: 它的转换是通过轮廓曲线逼近来实现的。

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邹浩说:
2009年11月08日 22:31

始终就系d detail无晒

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