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The most "primitive" primitives are point and straight line segment, which were all that early vector graphics systems had. In constructive solid geometry , primitives are simple geometric shapes such as a cube , cylinder , sphere , cone , pyramid , torus .
Such a tiling is composed of a single fundamental unit or primitive cell which repeats endlessly and regularly in two independent directions. [2] An example of such a tiling is shown in the adjacent diagram (see the image description for more information). A tiling that cannot be constructed from a single primitive cell is called nonperiodic.
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 .
Geometric graph theory in the broader sense is a large and amorphous subfield of graph theory, concerned with graphs defined by geometric means. In a stricter sense, geometric graph theory studies combinatorial and geometric properties of geometric graphs, meaning graphs drawn in the Euclidean plane with possibly intersecting straight-line edges, and topological graphs, where the edges are ...
Spirograph is a geometric drawing device that produces mathematical roulette curves of the variety technically known as hypotrochoids and epitrochoids.The well-known toy version was developed by British engineer Denys Fisher and first sold in 1965.
Geometric graph theory is a branch of graph theory. It concerns straight-line embeddings of graphs in geometric spaces and graphs defined from configurations in a ...
Vectors and are primitive translation vectors. The honeycomb point set is a special case of the hexagonal lattice with a two-atom basis. [ 1 ] The centers of the hexagons of a honeycomb form a hexagonal lattice, and the honeycomb point set can be seen as the union of two offset hexagonal lattices.
Geometric design; Geometric median; Geometric modeling; Geometric primitive; Geometric spanner; Gilbert–Johnson–Keerthi distance algorithm; Gilbert–Pollack conjecture; Gradient pattern analysis; Greedy geometric spanner