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Simple interactive object extraction (SIOX) is an algorithm for extracting foreground objects from color images and videos with very little user interaction. [1] It has been implemented as "foreground selection" tool in the GIMP (since version 2.3.3), as part of the tracer tool in Inkscape (since 0.44pre3), and as function in ImageJ and Fiji (plug-in).
Inkscape 0.48.2, showing a rectangle (selected with the select tool), an ellipse, a star and two text objects Inkscape workflow is based around vector objects. Tools allow manipulating primitive vector shapes: simple ones like rectangles, ellipses and arcs, as well as more complex objects like 3D boxes with adjustable perspectives, stars ...
Then either grow the selection by one or two pixels (using the Selection menu) or select the main color and invert the selection. The idea is to select both the newly transparent portions and the fringe around the foreground color. Use the color to alpha tool with the background color to remove the fringe.
To do this select the Bézier arc and straight line tool (Shift + F6) from the left hand menu. Now roughly in where you want the nose click out a straight line horizontally, using the Ctrl key to lock you to the horizontal axis, then click out another point above and back to the beginning of the lines to complete a triangle.
Inkscape - Free and open-source vector graphics editor. KDEnLive -open-source video editing software based on the MLT Framework, KDE and Qt. Keepass -free and open-source password manager ...
PhotoLine is mainly a raster graphics editor but also offers a comprehensive set of vector drawing tools including multiple paths per layer, layer groups, color management and full color space support including CMYK and Lab color spaces, and multipage documents. PhotoLine can import and export PDF and SVG files as well as all major bitmap formats.
However, Inkscape is capable of producing color images by decomposing each channel into several black and white images and tracing them separately with Potrace. The commercial Total Vectorize program also uses Potrace as its core. Potrace is licensed under the GNU General Public License v2.0 or later.
As of January 2006, Inkscape supports drawing connections (wires) between anchors on objects, which makes it much nicer for circuits, but still not a complete solution. Library of electrical symbols for diagramming with Inkscape. There is a (small but extensible) library of symbols available. Creating diagrams using this template is slightly ...