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A wallpaper group (or plane symmetry group or plane crystallographic group) is a mathematical classification of a two-dimensional repetitive pattern, based on the symmetries in the pattern. Such patterns occur frequently in architecture and decorative art , especially in textiles , tiles , and wallpaper .
A pakudos symbol. A pakudos is a visual motif used by the Hanunuo Mangyan people of Mindoro in the Philippines.Pakudos are characterized by symmetrical, aesthetic, and orderly utilization of lines and space with equal utilization of vertical and horizontal composition. [1]
The artwork is a series of six gloss-white nested arches that are the same shape but varying exponentially in size. The thickness of each arch tapers as it rises from the ground, reaching its finest diameter at the top. The smallest arch is a comfortable frame for a human body, or two.
Abstract art uses visual language of shape, form, color and line to create a composition which may exist with a degree of independence from visual references in the world. [1] Abstract art , non-figurative art , non-objective art , and non-representational art are all closely related terms.
Geometric abstraction is present among many cultures throughout history both as decorative motifs and as art pieces themselves. Islamic art, in its prohibition of depicting religious figures, is a prime example of this geometric pattern-based art, which existed centuries before the movement in Europe and in many ways influenced this Western school.
The complexity and variety of patterns used evolved from simple stars and lozenges in the ninth century, through a variety of 6- to 13-point patterns by the 13th century, and finally to include also 14- and 16-point stars in the sixteenth century. Geometric patterns occur in a variety of forms in Islamic art and architecture.
Vector-based devices, such as the vector CRT and the pen plotter, directly control a drawing mechanism to produce geometric shapes. Since vector display devices can define a line by dealing with just two points (that is, the coordinates of each end of the line), the device can reduce the total amount of data it must deal with by organizing the ...
Mathematically, the gradient of a two-variable function (here the image intensity function) at each image point is a 2D vector with the components given by the derivatives in the horizontal and vertical directions. At each image point, the gradient vector points in the direction of largest possible intensity increase, and the length of the ...