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The bitmap image is composed of a fixed set of pixels, while the vector image is composed of a fixed set of shapes. In the picture, scaling the bitmap reveals the pixels while scaling the vector image preserves the shapes. An image does not have any structure: it is just a collection of marks on paper, grains in film, or pixels in a bitmap ...
Vector combine Rotate & move Polylines Spline curves Lines to curves cmd. & vice versa Vector shapes Easy Trace Yes Yes Yes Yes Yes Yes Yes Graphic Tracer Professional N/A Yes Yes Yes Yes Yes Yes Adobe Illustrator Yes Yes Yes Yes Yes No Yes Potrace N/A N/A N/A N/A N/A N/A N/A ImageTracer N/A N/A N/A N/A N/A N/A N/A Scan2CAD Yes Yes Yes Yes Yes Yes
Various graphical frontends are available for the command-line application Potrace. Notably, it has been integrated with Inkscape, giving Inkscape its Trace Bitmap action. [3] FontForge can use Potrace to import a bitmap image into a font. Potrace is also used by the music engraving program LilyPond.
Bitmap tracing: Boxy SVG provides a Vectorize generator to trace bitmaps into Bézier curves with color fills depending on user-defined color quantization settings. Asset libraries: The program allows using fonts from Google Fonts, [8] clip art and photos from Pixabay, and color swatches from the online service called Color Hunt.
Vectorization first creates a resolution-independent vector representation of the graphic to be scaled. Then the resolution-independent version is rendered as a raster image at the desired resolution. This technique is used by Adobe Illustrator Live Trace, Inkscape, and several recent papers. [6]
Path tracing is a computer graphics Monte Carlo method of rendering images of three-dimensional scenes such that the global illumination is faithful to reality. Fundamentally, the algorithm is integrating over all the illuminance arriving to a single point on the surface of an object.
Raster graphic image. In computer graphics, rasterisation (British English) or rasterization (American English) is the task of taking an image described in a vector graphics format (shapes) and converting it into a raster image (a series of pixels, dots or lines, which, when displayed together, create the image which was represented via shapes).
Image tracing, digital image processing to convert raster graphics into vector graphics; Path tracing, a method of rendering images of three-dimensional scenes such that the global illumination is faithful to reality; Ray tracing (graphics), techniques in computer graphics