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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 .
Biological illustration has traditionally employed the techniques of using carbon dust, color pencil, stipple pen and ink, lithography, watercolor and gouache; however, digital illustration has recently become more important in the field. Every professional scientific illustration begins with multiple rough sketches.
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.
The main techniques used in drawing are: line drawing, hatching, crosshatching, random hatching, shading, scribbling, stippling, and blending. An artist who excels at drawing is referred to as a draftsman or draughtsman. [11] Drawing and painting go back tens of thousands of years.
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 ...
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Gesture Drawing - loose drawing or sketching with the wrists moving, to create a sense of naturalism of the line or shape, as opposed to geometric or mechanical drawing; Grisaille – Hatching – consists of hatching, contour hatching, and double contour hatching; Masking – Mass drawing – Screentone – Scribble –
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.