Potrace is a tool for tracing a bitmap, which means, transforming a
bitmap into a smooth, scalable image. The input is a bitmap (PBM,
PGM, PPM, or BMP format), and the output is one of several vector file
formats. A typical use is to create SVG or PDF files from scanned
data, such as company or university logos, handwritten notes, etc.
The resulting image is not "jaggy" like a bitmap, but smooth. It can
then be rendered at any resolution.
Potrace can currently produce the following output formats: SVG,
PDF, EPS, PostScript, DXF, GeoJSON, PGM (for easy antialiasing of
pixel-based images), Gimppath, and XFig. Additional backends might be
added in the future.
Mkbitmap is a program distributed with Potrace which can be used to
pre-process the input for better tracing behavior on greyscale and
color images.
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