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Line art or line drawing is any image that consists of distinct straight lines or curved lines placed against a background (usually plain). Two-dimensional or three-dimensional objects are often represented through shade (darkness) or hue . Line art can use lines of different colors, although line art is usually monochromatic.
Line is one of the main components of design including principles such as shape, color, texture, value, perspective, and form. Lines can appear in many different forms some examples may be straight or curved; continuous or dotted; thick or thin; and real and implied. Line can be used to create structure and tone in illustrations and other artworks.
Twisting and curving line forms have a long history in art and design. Whiplash curves have similarities with the arabesque design, used particularly in Islamic art, such as the ceramic tiles of the mosque of Samarkand in Central Asia. Curvilinear design is a noticeable element of Gothic architecture, in, for example, church window tracery.
Primary among these are the compasses, used for drawing arcs and circles, and the French curve, for drawing curves. A spline is a rubber coated articulated metal that can be manually bent to most curves. Drafting templates assist the drafter with creating recurring objects in a drawing without having to reproduce the object from scratch every time.
Although space-filling curves have a long history in China in motifs more than 2,000 years earlier, extending back to Zhukaigou Culture (c. 2000 BC – c. 1400 BC) and Xiajiadian Culture (c. 2200 BC – c. 1600 BC and c. 1000 BC – c. 600 BC), frequently there is speculation that meanders of Greek origin may have come to China during the time ...
Serpentine lines from Hogarth's The Analysis of Beauty. Line of beauty is a term and a theory in art or aesthetics used to describe an S-shaped curved line (a serpentine line) appearing within an object, as the boundary line of an object, or as a virtual boundary line formed by the composition of several objects.
Curvilinear barrel distortion Curvilinear pincushion distortion. Curvilinear perspective, also five-point perspective, is a graphical projection used to draw 3D objects on 2D surfaces, for which (straight) lines on the 3D object are projected to curves on the 2D surface that are typically not straight (hence the qualifier "curvilinear" [citation needed]).
Line art is a rather non-specific term sometimes used for any image that consists of distinct straight and curved lines placed against a (usually plain) background, without gradations in shade (darkness) or hue to represent two-dimensional or three-dimensional objects. Line art is usually monochromatic, although lines may be of different colors.