Data pubblicazione: May 14, 2016 12:12:20 PM
potrace
Microsoft Windows [Version 6.1.7600]
Copyright (c) 2009 Microsoft Corporation. All rights reserved.
C:\Users\costycnc>C:\p\p.bat
C:\Users\costycnc>potrace -b geojson p.geojson p.bmp
'potrace' is not recognized as an internal or external command,
operable program or batch file.
C:\Users\costycnc>cd..
C:\Users>cd..
C:\>cd p
C:\p>C:\p\p.bat
C:\p>potrace -b geojson p.geojson p.bmp
potrace: p.geojson: file format not recognized
Possible input file formats are: pnm (pbm, pgm, ppm), bmp.
C:\p>potrace -h
potrace 1.13. Transforms bitmaps into vector graphics.
Usage: potrace [options] [filename...]
General options:
-h, --help - print this help message and exit
-v, --version - print version info and exit
-l, --license - print license info and exit
File selection:
<filename> - an input file
-o, --output <filename> - write all output to this file
-- - end of options; 0 or more input filenames follow
Backend selection:
-b, --backend <name> - select backend by name
-e, --eps - EPS backend (encapsulated PostScript) (default)
-p, --postscript - PostScript backend
-s, --svg - SVG backend (scalable vector graphics)
-g, --pgm - PGM backend (portable greymap)
-b pdf - PDF backend (portable document format)
-b pdfpage - fixed page-size PDF backend
-b dxf - DXF backend (drawing interchange format)
-b geojson - GeoJSON backend
-b gimppath - Gimppath backend (GNU Gimp)
-b xfig - XFig backend
Algorithm options:
-z, --turnpolicy <policy> - how to resolve ambiguities in path decomposition
-t, --turdsize <n> - suppress speckles of up to this size (default 2)
-a, --alphamax <n> - corner threshold parameter (default 1)
-n, --longcurve - turn off curve optimization
-O, --opttolerance <n> - curve optimization tolerance (default 0.2)
-u, --unit <n> - quantize output to 1/unit pixels (default 10)
-d, --debug <n> - produce debugging output of type n (n=1,2,3)
Scaling and placement options:
-P, --pagesize <format> - page size (default is letter)
-W, --width <dim> - width of output image
-H, --height <dim> - height of output image
-r, --resolution <n>[x<n>] - resolution (in dpi) (dimension-based backends)
-x, --scale <n>[x<n>] - scaling factor (pixel-based backends)
-S, --stretch <n> - yresolution/xresolution
-A, --rotate <angle> - rotate counterclockwise by angle
-M, --margin <dim> - margin
-L, --leftmargin <dim> - left margin
-R, --rightmargin <dim> - right margin
-T, --topmargin <dim> - top margin
-B, --bottommargin <dim> - bottom margin
--tight - remove whitespace around the input image
Color options, supported by some backends:
-C, --color #rrggbb - set foreground color (default black)
--fillcolor #rrggbb - set fill color (default transparent)
--opaque - make white shapes opaque
SVG options:
--group - group related paths together
--flat - whole image as a single path
Postscript/EPS/PDF options:
-c, --cleartext - do not compress the output
-2, --level2 - use postscript level 2 compression (default)
-3, --level3 - use postscript level 3 compression
-q, --longcoding - do not optimize for file size
PGM options:
-G, --gamma <n> - gamma value for anti-aliasing (default 2.2)
Frontend options:
-k, --blacklevel <n> - black/white cutoff in input file (default 0.5)
-i, --invert - invert bitmap
Progress bar options:
--progress - show progress bar
--tty <mode> - progress bar rendering: vt100 or dumb
Dimensions can have optional units, e.g. 6.5in, 15cm, 100pt.
Default is inches (or pixels for pgm, dxf, and gimppath backends).
Possible input file formats are: pnm (pbm, pgm, ppm), bmp.
Backends are: eps, postscript, ps, pdf, pdfpage, svg, dxf, geojson, pgm,
gimppath, xfig.
C:\p>