Zigzag in the context of Glide reflection


Zigzag in the context of Glide reflection

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⭐ Core Definition: Zigzag

A zigzag is a pattern made up of small corners at variable angles, though constant within the zigzag, tracing a path between two parallel lines; it can be described as both jagged and fairly regular.

In geometry, this pattern is described as a skew apeirogon. From the point of view of symmetry, a regular zigzag can be generated from a simple motif like a line segment by repeated application of a glide reflection.

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Zigzag in the context of Transform fault

A transform fault or transform boundary, is a fault along a plate boundary where the motion is predominantly horizontal. It ends abruptly where it connects to another plate boundary, either another transform, a spreading ridge, or a subduction zone. A transform fault is a special case of a strike-slip fault that also forms a plate boundary.

Most such faults are found in oceanic crust, where they accommodate the lateral offset between segments of divergent boundaries, forming a zigzag pattern. This results from oblique seafloor spreading where the direction of motion is not perpendicular to the trend of the overall divergent boundary. A smaller number of such faults are found on land, although these are generally better-known, such as the San Andreas Fault and North Anatolian Fault.

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Zigzag in the context of Fault trace

A fault trace describes the intersection of a geological fault with the Earth's surface, which leaves a visible disturbance on the surface, usually looking like a crack in the surface with jagged rock structures protruding outward. The term also applies to a line plotted on a geological map to represent a fault. These fractures tend to occur when a slip surface expands from a fault core, especially during an earthquake. This tends to occur with fault displacement, in which surfaces on both sides of a fault, known as fault blocks, separate horizontally or vertically.

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Zigzag in the context of Shide (Shinto)

Shide (紙垂, 四手) are zigzag-shaped paper streamers, often seen attached to shimenawa or tamagushi to demarcate holy spaces, and used in Shinto rituals in Japan. They are usually found adorning doorways, shrine buildings, and kamidana.

The origins of shide are traced to the yūshide, a thread made from the bark of Broussonetia × kazinoki mentioned in the Kojiki. There are different styles of folding shide. One method requires placing the paper zigzags in a cut slit on a stick, creating a ritual object known as a gohei or heihaku. A gohei is an offering to kami that can be seen on kamidana altars and inside the main building of a Shinto shrine.

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Zigzag in the context of Satin stitch

In sewing and embroidery, a satin stitch or damask stitch is a series of flat stitches that are used to completely cover a section of the background fabric. Narrow rows of satin stitch can be executed on a standard sewing machine using a zigzag stitch or a special satin stitch foot.

In order to maintain a smooth edge, shapes can be outlined with back, split or chain stitch before the entire shape including the outline is covered with satin stitch. In traditional practice, satin stitch is employed to fill an area without the presence of an outline, resulting in smooth shapes and even lines created by the stitching.

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Zigzag in the context of White Nothe

White Nothe (meaning "White Nose") is a chalk headland on the English Channel coast at the eastern end of Ringstead Bay, east of Weymouth in Dorset, England. The area is well known for its geology and fossils. Its flanks are the result of prehistoric landslides and the inaccessible slopes of the undercliff provide a secluded wildlife habitat.

A zigzag path up the cliff is believed to be one of the locations alluded to as a smuggler's path in the British children's book Moonfleet by J. Meade Falkner. Walking to the base of White Nothe along the shore from Ringstead Bay is possible, but it is cut off at high tide, so much care should be taken. At the top of the Smugglers path, a protruding nose shape comes out of the white cliff, giving the name to the area.

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