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  2. Line art - Wikipedia

    en.wikipedia.org/wiki/Line_art

    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.

  3. Lofting - Wikipedia

    en.wikipedia.org/wiki/Lofting

    Lofting is particularly useful in boat building, when it is used to draw and cut pieces for hulls and keels. These are usually curved, often in three dimensions . Loftsmen at the mould lofts of shipyards were responsible for taking the dimensions and details from drawings and plans, and translating this information into templates, battens ...

  4. Engineering drawing - Wikipedia

    en.wikipedia.org/wiki/Engineering_drawing

    Type F lines are Type E lines, except these are used for drawings in electrotechnology. 2H pencil; Type G lines are used for centre lines. These are dotted lines, but a long line of 10–20 mm, then a 1 mm gap, then a small line of 2 mm. 2H pencil; Type H lines are the same as type G, except that every second long line is thicker. These ...

  5. Line drawing algorithm - Wikipedia

    en.wikipedia.org/wiki/Line_drawing_algorithm

    The simplest method of drawing a line involves directly calculating pixel positions from a line equation. Given a starting point (,) and an end point (,), points on the line fulfill the equation = +, with = = being the slope of the line.

  6. Multiview orthographic projection - Wikipedia

    en.wikipedia.org/wiki/Multiview_orthographic...

    An example of a multiview orthographic drawing from a US Patent (1913), showing two views of the same object. Third angle projection is used. In third-angle projection , the object is conceptually located in quadrant III, i.e. it is positioned below and behind the viewing planes, the planes are transparent , and each view is pulled onto the ...

  7. Oblique projection - Wikipedia

    en.wikipedia.org/wiki/Oblique_projection

    Oblique drawing is also the crudest "3D" drawing method but the easiest to master. One way to draw using an oblique view is to draw the side of the object in two dimensions, i.e. flat, and then draw the other sides at an angle of 45°, but instead of drawing the sides full size they are only drawn with half the depth creating 'forced depth ...

  8. ISO 128 - Wikipedia

    en.wikipedia.org/wiki/ISO_128

    ISO 5456 Technical drawings — Projection methods. ISO 5456-1:1996 Technical drawings — Projection methods — Part 1: Synopsis; ISO 5456-2:1996 Technical drawings — Projection methods — Part 2: Orthographic representations; ISO 5456-3:1996 Technical drawings — Projection methods — Part 3: Axonometric representations

  9. List of graphical methods - Wikipedia

    en.wikipedia.org/wiki/List_of_graphical_methods

    This is a list of graphical methods with a mathematical basis. Included are diagram techniques, chart techniques, plot techniques, and other forms of visualization . There is also a list of computer graphics and descriptive geometry topics .