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Layered graph drawing or hierarchical graph drawing is a type of graph drawing in which the vertices of a directed graph are drawn in horizontal rows or layers with the edges generally directed downwards. [1] [2] [3] It is also known as Sugiyama-style graph drawing after Kozo Sugiyama, who first developed this drawing style. [4]
Vashti is a girl who believes she can not draw. When her art teacher realizes that she left her assignment blank, Vashti is instructed to just "make a mark and see where it takes you." Vashti is only able to make a small dot on her paper, but to her surprise, the teacher asks her to sign it and displays it in her office the next week.
In formal terms, a directed graph is an ordered pair G = (V, A) where [1]. V is a set whose elements are called vertices, nodes, or points;; A is a set of ordered pairs of vertices, called arcs, directed edges (sometimes simply edges with the corresponding set named E instead of A), arrows, or directed lines.
A dot chart or dot plot is a statistical chart consisting of data points plotted on a fairly simple scale, typically using filled in circles. There are two common, yet very different, versions of the dot chart. The first has been used in hand-drawn (pre-computer era) graphs to depict distributions going back to 1884. [1]
The roots of connecting dots to create pictures or help with calligraphy can be traced back to the 19th century. The Nine Dots Puzzle is the first known puzzle game where the player has to connect dots. But in this variant the goal is not to draw a picture, but to solve a logic puzzle. The emergence of connect the dots games in the printed ...
One solution of the nine dots puzzle. It is possible to mark off the nine dots in four lines. [13] To do so, one goes outside the confines of the square area defined by the nine dots themselves. The phrase thinking outside the box, used by management consultants in the 1970s and 1980s, is a restatement of the solution strategy. According to ...
Force-directed graph drawing algorithms assign forces among the set of edges and the set of nodes of a graph drawing.Typically, spring-like attractive forces based on Hooke's law are used to attract pairs of endpoints of the graph's edges towards each other, while simultaneously repulsive forces like those of electrically charged particles based on Coulomb's law are used to separate all pairs ...
The non-speaking Dot, played by Rebecca Higgins, had fun with music or numbers and counting. Later there were three Dots: 'The Dot who plays the violin' (Eithne Hannigan), 'The Dot who plays the drums' (Liz Kitchen) and 'The Dot you can count on' (Dyanne White). Sometimes, a puppet called Dash would appear and squirm its way through holes in ...