____ _ _ _ _
| _ \ ___ | |_ (_) _ __ ___ __| | (_) __ _
| |_) | / _ \ | __| | | | '_ \ / _ \ / _| | | | / _ |
| _ < | __/ | |_ | | | |_) | | __/ | (_| | | | | (_| |
|_| \_\ \___| \__| |_| | .__/ \___| \__,_| |_| \__,_|
|_|
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Potrace
ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
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Potrace ist ein Open-Source-Vektorisierer (engl. tracer), welcher Raster- in Vektorgrafiken konvertiert. Potrace wird von Peter Selinger entwickelt und ist Dual-lizenziert: unter der GPL und als Potrace Professional in einer proprietΓ€ren Lizenz von Selingers Unternehmen Icosasoft Software.cite-ref-1[1]
Contents
β’ Frontends
β’ Literatur
β’ Weblinks
β’ Einzelnachweise
ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
Frontends
Es gibt verschiedene grafische Frontends fΓΌr das Kommandozeilenprogramm Potrace, so ist es zum Beispiel in dem freien Vektorgrafikeditor Inkscape unter dem MenΓΌpunkt Pfad β Bitmap vektorisieren integriert. Auch der freie Schrifteditor FontForge kann Potrace zum Importieren von Bitmapgrafiken benutzen.
Ausgabe von Bildern
Die Ausgabe von Potrace ist schwarzweiΓ, farbige Bilder werden beim Einlesen zu Schwarz-WeiΓ-Bildern konvertiert, bevor sie vektorisiert werden. Trotzdem ermΓΆglicht Inkscape das Vektorisieren von farbigen oder Graustufenbildern, indem jeder Farbkanal als einzelnes Schwarz-WeiΓ-Bild separat von Potrace vektorisiert wird.
Literatur
β’ Karel PΓΕ‘ka, Creating Type 1 Fonts from METAFONT Sources: Comparison of Tools, Techniques and Results in TeX, XML, and digital typography: International Conference on TeX, XML, and Digital Typography, held jointly with the 25th Annual Meeting of the TeX Users Group, TUG 2004, Xanthi, Greece, August 30 - September 3, 2004; proceedings, LNCS Volume 3130, Editor Apostolos Syropoulos, Springer, 2004, ISBN 3-540-22801-2, pp. 240β256, preprint (PDF; 632 kB)
β’ Peter Selinger, Potrace: a polygon-based tracing algorithm (PDF; 264 kB), Sep. 2003
Weblinks
β’ Offizielle Homepage
Einzelnachweise