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A generalization of 4-connected line drawing methods to three dimensions is used when dealing with voxel grids, for example in optimized ray tracing, where it can determine the voxels that a given ray crosses. Line drawing algorithms distribute diagonal steps approximately evenly.
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.
US patent 5815163, "Method and apparatus to draw line slices during calculation" US patent 5740345, "Method and apparatus for displaying computer graphics data stored in a compressed format with an efficient color indexing system" US patent 5657435, "Run slice line draw engine with non-linear scaling capabilities"
Communication with the general public: informs the general public, for example illustrated instructions found in the manuals for automobiles and consumer electronics. This type of technical illustration contains simple terminology and symbols that can be understood by the lay person and is sometimes called creative technical illustration/graphics.
Example of classic American business cursive handwriting known as Spencerian script from 1884 A thin object (pen), held with three fingers, allows one to draw thin lines. Penmanship is the technique of writing with the hand using a writing instrument.
Metalpoint styli were used for writing on soft surfaces (wax or bark), ruling and underdrawing on parchment, and drawing on prepared paper and panel supports. For drawing purposes, the essential metals used were lead, tin and silver. The softness of these metals made them effective drawing instruments. [1]
In some cases stability is impossible; for example, P and F are unavoidably top-heavy. In other cases the stability and grace of the letters may be maintained either by drawing the lower parts of the letters like B , E etc. wider than the upper parts, or by drawing the horizontal line at the center of these letters just above their geometric axis.
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.