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Hatching (French: hachure) is an artistic technique used to create tonal or shading effects by drawing (or painting or scribing) closely spaced parallel lines. When lines are placed at an angle to one another, it is called cross-hatching .
Skiagraphia is often described as a hatching technique used to create the illusion of forms through shading. [1] The shading is created by the use of curved lines, either by the use of hatching or cross-hatching. Within this same approach, painters can use different colors to add shade to an area.
An example of cross-hatching in the solving of a Sudoku puzzle. Date: 12 September 2006: Source: Original puzzle layout by Lawrence Leonard Gilbert, generated by the GNU program Su Doku Solver. Cross hatch design by Adam R. Wood. Both images released into public domain by their respective authors. SVG version created in Inkscape. Author: Tim ...
The oldest examples of rock art, in Western Australia's Pilbara region and the Olary district of South Australia, are estimated to be up to around 40,000 years old. [7] The oldest firmly dated evidence of rock art painting in Australia is a charcoal drawing on a small rock fragment found during the excavation of the Narwala Gabarnmang rock ...
After an introductory chapter on topological surfaces, the cusps in the outlines of surfaces formed when viewing them from certain angles, and the self-intersections of immersed surfaces, the next two chapters are centered on drawing techniques: chapter two concerns ink, paper, cross-hatching, and shading techniques for indicating the curvature ...
The "abstract drawing" (ochre cross-hatching) discovered in Blombos Cave in South Africa, ca. 73,000 years old. [5]In 2002 in Blombos cave, situated in South Africa, ochre stones were discovered engraved with grid or cross-hatch patterns, dated to some 70,000 years ago.
Traditional pen-and-ink techniques such as stippling and cross-hatching can be used to create half-tones [38] or the illusion of form and volume. [39] Skillful integration of existing colors can create an illusion of colors which do not actually exist. [30]
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