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See searches and references containing VISIBILITY GRAPH!VISIBILITY GRAPH
Graph of intervisible locations in computational geometry
a visibility graph is a graph of intervisible locations, typically for a set of points and obstacles in the Euclidean plane. Each node in the graph represents
Visibility_graph
architecture, visibility graph analysis (VGA) is a method of analysing the inter-visibility connections within buildings or urban networks. Visibility graph analysis
Visibility_graph_analysis
Area of discrete mathematics
computer science, graph theory is the study of graphs, which are mathematical structures used to model pairwise relations between objects. A graph in this context
Graph_theory
Mathematical abstraction of objects being "visible"
Point visibility Edge visibility Visibility polygon Weak visibility Art gallery problem or museum problem Visibility graph Visibility graph of vertical
Visibility_(geometry)
Study of graphs defined by geometric means
test efficiently whether an undirected graph can be represented as a visibility graph. A partial cube is a graph for which the vertices can be associated
Geometric_graph_theory
Non-crossing graph with vertices on outer face
while preserving outerplanarity, are also chordal graphs and visibility graphs. Outerplanar graphs were first studied and named by Chartrand & Harary
Outerplanar_graph
British computer scientist and academic (1969–2011)
established by Bill Hillier and Julienne Hanson, Turner introduced visibility graph analysis (VGA) alongside Alan Penn, David O'Sullivan, and Maria Doxa
Alasdair_Turner
Bivariegated graph Cage (graph theory) Cayley graph Circle graph Clique graph Cograph Common graph Complement of a graph Complete graph Cubic graph Cycle graph De
List_of_graph_theory_topics
Family of graphs with 2n nodes and n(n-1) edges
graphs that can occur as distance-regular circulant graphs. Agarwal et al. (1994) describe polygons that have crown graphs as their visibility graphs;
Crown_graph
Shape bounded by non-intersecting line segments
point sets, constructive solid geometry formulas for polygons, and visibility graphs of polygons. A simple polygon is a closed curve in the Euclidean plane
Simple_polygon
Form of data structure
groups as subclasses. A visibility member, for example, would be a feature of a layer, but not necessarily of a group. Scene graphs are useful for modern
Scene_graph
Volume of space visible from a given point
and Wiener, 2005). When applied to such architecture, isovists and visibility graph measurands are further analysed to predict spatial behaviour of the
Isovist
General-purpose mobile robot
project include the A* search algorithm, the Hough transform, and the visibility graph method.[citation needed] Shakey was developed from approximately 1966
Shakey_the_robot
Type of graph related to pursuit–evasion
In graph theory, a cop-win graph is an undirected graph on which the pursuer (cop) can always win a pursuit–evasion game against a robber, with the players
Cop-win_graph
Computational problem
number of connected components. Point robots among polygonal obstacles Visibility graph Cell decomposition Voronoi diagram Translating objects among obstacles
Motion_planning
Ghosh, Subir Kumar; Goswami, Partha P. (2013). "Unsolved problems in visibility graphs of points, segments, and polygons". ACM Computing Surveys. 46 (2):
List of unsolved problems in mathematics
List_of_unsolved_problems_in_mathematics
Electrocardiogram waveform representing ventricular contraction in the heart
investigated. In recent research, heart beat detection methods based on visibility graphs have been introduced, enabling fast and sample-precise R-peak annotation
QRS_complex
Geographical area visible from a location
GIS tools. Computational archaeology Isovist Scenic highway Visibility graph Visibility (geometry) Euclidean influence zone Visual Impact Assessment
Viewshed
Algorithm to find Euclidean shortest paths
all optimizations of grid A* like jump point search will apply. A visibility graph with all the grid points can be searched with A* for the optimal solution
Any-angle_path_planning
Line tangent to a curve at two locations
by applying Dijkstra's algorithm to a subgraph of the visibility graph formed by the visibility edges that lie on bitangent lines (Rohnert 1986). A bitangent
Bitangent
Irrational system of points and lines
additional applications as a counterexample in the theory of visibility graphs and in graph drawing. One way of constructing the Perles configuration is
Perles_configuration
Unsolved problem in discrete geometry
the visibility graph. However, although a system of points that is entirely collinear can be characterized by having a bipartite visibility graph, this
Big-line-big-clique conjecture
Big-line-big-clique_conjecture
Problem of computing shortest paths around geometric obstacles
performing a shortest path algorithm such as Dijkstra's algorithm on a visibility graph derived from the obstacles or (in an approach called the continuous
Euclidean_shortest_path
Theories in architecture and urban planning
transport planning) Spatial network Spatial network analysis software Visibility graph analysis Fuzzy architectural spatial analysis Hillier, Bill; Hanson
Space_syntax
Arabacioglu (2010) from the architectural theories of space syntax and visibility graph analysis, and is applied with the help of a fuzzy system with a Mamdani
Fuzzy architectural spatial analysis
Fuzzy_architectural_spatial_analysis
Fewest cliques covering a graph's edges
In the mathematical field of graph theory, the intersection number of a graph G = ( V , E ) {\displaystyle G=(V,E)} is the smallest number of elements
Intersection number (graph theory)
Intersection_number_(graph_theory)
Branch of geometry that studies combinatorial properties and constructive methods
polytope, unit disk graphs, and visibility graphs. Topics in this area include: Graph drawing Polyhedral graphs Random geometric graphs Voronoi diagrams
Discrete_geometry
Visualization of node-link graphs
Graph drawing is an area of mathematics and computer science combining methods from geometric graph theory and information visualization to derive two-dimensional
Graph_drawing
Mathematical problem
guarded is equivalent to solving the dominating set problem on the visibility graph of the polygon. Chvátal's art gallery theorem, named after Václav Chvátal
Art_gallery_problem
other, less dense constraint graphs are considered. The horizontal visibility graph is a horizontal constraint graph in which the horizontal constraint
Constraint_graph_(layout)
Delaunay triangulation Voronoi diagram Visibility (geometry) Art gallery problem (The museum problem) Visibility graph Watchman route problem Computer graphics
List of combinatorial computational geometry topics
List_of_combinatorial_computational_geometry_topics
Graph representing social relations
social graph's layout, by reinforcing interactions and visibility between two users who enjoy the same classes of entertainment. Facebook's social graph has
Social_graph
Generalization of graph theory
hypergraph is a generalization of a graph in which an edge can join any number of vertices. In contrast, in an ordinary graph, an edge connects exactly two
Hypergraph
Type of Analytic Software
Turner of UCL. This software initially generated isovists and performed visibility graph analysis of building systems on computers running Windows. It evolved
Spatial network analysis software
Spatial_network_analysis_software
Set of primitive shapes whose union equals a polygon
problem. The visibility graph for the problem of minimally covering hole-free rectilinear polygons with star polygons is a perfect graph. This perfectness
Polygon_covering
Problem in computational complexity theory
MIT Press and McGraw-Hill, ISBN 0-262-03384-4 Ex. 30.1–7, p. 906. Visibility Graphs and 3-Sum by Michael Hoffmann For a reduction in the other direction
3SUM
Probabilistic motion planning algorithm
starting and goal configurations are added in, and a graph search algorithm is applied to the resulting graph to determine a path between the starting and goal
Probabilistic_roadmap
American computer scientist
improvement over the roughly quadratic running time achievable by visibility-graph-based methods, and resolved a problem that had been open and intensely
John_Hershberger
Computer scientist
1007/BF01940877, S2CID 877032. Welzl, Emo (1985), "Constructing the visibility graph for n line segments in O(n2) time", Information Processing Letters
Emo_Welzl
Quantified formulas with real-number variables
multiple graphs on a shared vertex set into the plane so that all the graphs are drawn without crossings; recognizing the visibility graphs of planar
Existential theory of the reals
Existential_theory_of_the_reals
Vijay Kumar (roboticist) VIPeR Virtual fixture Virtual Intelligence Visibility graph Vision Guided Robotic Systems Visual odometry Visual Servoing Vocoder
Index_of_robotics_articles
Framework in mathematics and computing
directed graph. Using it will make a relatively complex data resource modeled in RDF, much easier to understand by declaring simple styling and visibility instructions
Graph_Style_Sheets
exterior, or both the interior and exterior, of a polygon; visibility graphs; visibility algorithms; the computational complexity of minimizing the number
Art Gallery Theorems and Algorithms
Art_Gallery_Theorems_and_Algorithms
Planar graph used as counterexample
Kaufmann, Michael (1997), "2-visibility drawings of planar graphs", in North, Stephen (ed.), Graph Drawing: Symposium on Graph Drawing, GD '96 Berkeley,
Nested_triangles_graph
Diagram that describes the static structure of a software system
and additional information about them like constructors. To specify the visibility of a class member (i.e. any attribute or method), these notations must
Class_diagram
Professional network website
use expanded beyond recruiting into a primary channel for professional visibility and authority-building among entrepreneurs and business leaders. LinkedIn
Process of deriving classes from, and organizing them into, a hierarchy
objects or classes through inheritance give rise to a directed acyclic graph. An inherited class is called a subclass of its parent class or super class
Inheritance (object-oriented programming)
Inheritance_(object-oriented_programming)
American mathematician
specializing mainly in topological and chromatic graph theory and on visibility graphs; for overviews of this work see Hutchinson (2009) and Dean & Hutchinson
Joan_Hutchinson
"Binary Space Partitions", "Robot Motion Planning", "Quadtrees", "Visibility Graphs", "Simplex Range Searching". Jean-Daniel Boissonnat; Mariette Yvinec
List of books in computational geometry
List_of_books_in_computational_geometry
American software company
London. Its flagship platform, Scout, is used by organizations to gain visibility into digital work execution and support initiatives in process intelligence
Soroco
Problem of finding obscured edges in a wire-frame 3D model
Fractional invisibility. IEEE Comput. Graph. Appl., 8(6):77–84, November 1988. Th. Ottmann and P. Widmayer. Solving visibility problems by using skeleton structures
Hidden-line_removal
Type of plane partition
metrics. Voronoi diagrams of 20 points under two different metrics The dual graph for a Voronoi diagram (in the case of a Euclidean space with point sites)
Voronoi_diagram
multigraphs to simple graphs is repeated in Shermer, Thomas C. (1996), "On rectangle visibility graphs. III. External visibility and complexity" (PDF)
Linear_arboricity
Analysis of social structures using network and graph theory
process of investigating social structures through the use of networks and graph theory. It characterizes networked structures in terms of nodes (individual
Social_network_analysis
Semantic search engine by Facebook
Facebook Graph Search was a semantic search engine that Facebook introduced in March 2013. It was designed to give answers to user natural language queries
Facebook_Graph_Search
Application programming interface for multimedia processing
the rendering process, the filter graph searches the Windows Registry for registered filters and builds its graph of filters based on the locations provided
DirectShow
Format for weather reports used in aviation
the airport identifier, time of observation, wind direction and speed, visibility, current weather phenomena such as precipitation, cloud cover and heights
METAR
of 100 m (328 ft) buildings. The 150 m column is highlighted blue for visibility. City boundaries may exclude buildings in the same metropolitan area from
List of cities in the United States with the most skyscrapers
List_of_cities_in_the_United_States_with_the_most_skyscrapers
Path-finding using high-weight graph edges
In graph algorithms, the widest path problem is the problem of finding a path between two designated vertices in a weighted graph, maximizing the weight
Widest_path_problem
Process by which platform algorithms increase the reach of certain content
ranking and recommendation systems on digital platforms increase the visibility of certain content beyond its initial audience. Major platforms including
Algorithmic_amplification
Swiss watch manufacturer
patented no-decompression bezel, helium release valve, and signature high-visibility orange dial. The company and its SUB watch line became more widely known
Doxa_SA
Optimization algorithm
computational problems that can be reduced to finding good paths through graphs. Artificial ants represent multi-agent methods inspired by the behavior
Ant colony optimization algorithms
Ant_colony_optimization_algorithms
Mathematician
for women in graph theory through the Women in Graph Theory and Applications Research Network; and for promoting the inclusion and visibility of women through
Daniela_Ferrero
Relevance for a specific subject area or industry of a website
actors. This increases their visibility and makes the content more relevant, interconnected, and useful. Centrality, from a graph-theoretical perspective,
Domain_authority
Display of results from a search
List of the Different Types of Featured Snippets". "How Google's Knowledge Graph works". Google Knowledge Panel Help. Google. Taieb-Maimon, Meirav; Harush
Search_engine_results_page
Artificial intelligence division of Meta Platforms
ethical and legal concerns, especially as Meta continues to reduce news visibility on its platforms. One of Meta AI's research areas is natural language
Meta_AI
Video-sharing platform
and entertainment corporations have also created and expanded their visibility on YouTube channels to reach bigger audiences. YouTube has had unprecedented
YouTube
Seventh planet from the Sun
in the stars is very close to what it was exactly 84 years earlier (see graph). The retrograde motion of Uranus brings it back each year to approximately
Uranus
System monitoring software
software application. Munin is written in Perl and uses RRDtool to create graphs, which are accessible over a web interface. Its emphasis is on plug and
Munin_(software)
Decentralized social networking protocol
discoverability, network scalability, and portability of user data and social graphs. It employs a modular microservice architecture and a federated, server-agnostic
AT_Protocol
Geometry of road design
southern Spain. A geometric design saved on construction costs and improved visibility with the intention to reduce the likelihood of traffic incidents
Geometric_design_of_roads
Multiple proofs regarding Earth's approximately spherical shape
phenomena that when combined disprove flat Earth beliefs. These include the visibility of distant objects on Earth's surface; lunar eclipses; appearance of the
Empirical evidence for the spherical shape of Earth
Empirical_evidence_for_the_spherical_shape_of_Earth
Women's baseball league in the United States
inaugural season. The league was founded in 2024 with an aim to elevate the visibility and proliferation of women's baseball, by establishing a path to professionalism
Women's_Pro_Baseball_League
Chatbot developed by Microsoft
Spataro, the head of Microsoft 365, Copilot for Microsoft 365 uses Microsoft Graph, an API, to evaluate context and available Microsoft 365 user data before
Microsoft_Copilot
Series of graphing calculators
The HP 48 is a series of graphing calculators designed and produced by Hewlett-Packard from 1990 until 2003. The series includes the HP 48S, HP 48SX, HP 48G
HP_48_series
Method of analysis for systems of interacting components
intentions to one another in the form of promises. Promise theory is grounded in graph theory and set theory. The goal of promise theory is to reveal the behavior
Promise_theory
Checking expected operations of a website
companies generally report on these tests in a variety of reports, charts, and graphs. When an error is detected monitoring services send out alerts via email
Website_monitoring
Construct in computational geometry
the constrained Delaunay triangulation problem is a planar straight-line graph, a set of points and non-crossing line segments in the plane. The constrained
Constrained Delaunay triangulation
Constrained_Delaunay_triangulation
Subfield of artificial intelligence
learning. Neuro-symbolic AI gained wider industrial adoption and public visibility in 2025 to address hallucination in large language models (LLMs); for
Neuro-symbolic_AI
Suburb in Cairo Governorate, Egypt
Invest Gate. December 29, 2016. "Climate: Madinaty - Climate graph, Temperature graph, Climate table". Climate-Data.org. Retrieved 2014-02-23. Official
Madinaty
Monitoring system in computer drives
quick decrease in survival probability after the first scan error (left graph). A little over 70% of the drives survive the first 8 months after their
Self-Monitoring, Analysis and Reporting Technology
Self-Monitoring,_Analysis_and_Reporting_Technology
Visible difference in brightness or color
equal to the background luminance. Michelson contrast (also known as visibility) is commonly used for patterns where both bright and dark features are
Contrast_(vision)
Corporate boards of directors strategy
the graph for cut points and failed to find any with their search starting with corporations with large boards. In a study of clustering in the graph, Levin
Interlocking_directorate
3D graphics API developed by Apple Inc.
gained the ability to automatically perform visibility culling (based on the grouping of objects in the scene graph), OpenGL's lack of support for this feature
QuickDraw_3D
Social media platform owned by Meta
Users can also "archive" their posts in a private storage area, out of visibility for the public and other users. The move was seen as a way to prevent
Programming which all objects are created by classes
If multiple inheritance is allowed, the hierarchy is a directed acyclic graph (or DAG for short), otherwise it is a tree. The hierarchy has classes as
Class_(programming)
Algorithm for visible surface determination in 3D graphics
paint over the parts that are normally not visible — thus solving the visibility problem — at the cost of having painted invisible areas of distant objects
Painter's_algorithm
"pride" in the centre and represents Pride in London's values: protest, visibility, unity and equality. In 1993 Stonewall conducted a survey of gay men and
LGBTQ people in the United Kingdom
LGBTQ_people_in_the_United_Kingdom
Professionals. Ryan co-authored the book with Michael O'Donnell. The four-graph approach to writing, editing, photography, and design is meant to efficiently
Maestro_concept
Cloud-based service and infrastructure
App Engine Access Transparency – Near real-time audit logs providing visibility to Google Cloud Platform administrators VPC Service Controls – Service
Google_Cloud_Platform
Semiconductor light source
with a domed or flat top, rectangular with a flat top (as used in bar-graph displays), and triangular or square with a flat top. The encapsulation may
Light-emitting_diode
Computer hacker with malicious intent
irrelevant to the website's real content. This is done to boost the website's visibility in search results. Spamdexing is a form of black hat SEO that involves
Black_hat_(computer_security)
Time-management and scheduling calendar service
other users can be invited to events. Users can enable or disable the visibility of special calendars, including Birthdays, where the app retrieves dates
Google_Calendar
Sociological constructs related to sex
and awareness Awareness Week Beauty pageants Day of Remembrance Day of Visibility Flag March more Culture Anatomical terminology Transgender culture of
Gender
Group of rendering algorithms used in 3D computer graphics
and a global scale, including not only the geometry itself but also the visibility of every other object in the scene. Theoretically, reflections, refractions
Global_illumination
American multinational technology conglomerate
users on Meta's platforms expressed concern that such actions stifled visibility and expression, potentially isolating LGBTQ+ individuals and communities
Meta_Platforms
Method for recursively subdividing a space into two subsets using hyperplanes
view-dependent visibility ordering was generated by traversing the tree. 1981 Naylor's Ph.D. thesis provided a full development of both BSP trees and a graph-theoretic
Binary_space_partitioning
Crater on the Moon
the mare. Plato as taken from Lunar Reconnaissance Orbiter data, inset graph shows elevations of green line, left to right. By convention these features
Plato_(crater)
Extended and increasing shortage since 1970
would have five times the population it has today. In 2023, CalMatters graphed the various estimates of the housing shortage against actual housing production
California_housing_shortage
Open source social media service
privacy and moderation flexibility, offering features such as granular post visibility controls, content warning options, and local community-driven moderation
Mastodon_(social_network)
VISIBILITY GRAPH
VISIBILITY GRAPH
Boy/Male
Italian Spanish
Enduring. The poet Dante Alighieri wrote The Divine Comedy with its graphic description of...
Boy/Male
Irish
From dubh “â€blackâ€â€ and lan “â€blade, swordâ€â€ means “â€black sword.â€â€ Dubhlainn loved the fairy queen and legendary harpist Aoibhell who gave him her cloak of invisibility to wear in battle.
Boy/Male
Italian Spanish
Enduring. The poet Dante Alighieri wrote The Divine Comedy with its graphic description of...
Boy/Male
Italian Spanish
Enduring. The poet Dante Alighieri wrote The Divine Comedy with its graphic description of...
Surname or Lastname
German (also Gräff), Dutch, and Jewish (Ashkenazic)
German (also Gräff), Dutch, and Jewish (Ashkenazic) : variant of Graf.English : metonymic occupational name for a clerk or scribe, from Anglo-Norman French grafe ‘quill’, ‘pen’ (a derivative of grafer ‘to write’, Late Latin grafare, from Greek graphein).
Boy/Male
Spanish American Italian Latin
Enduring. The poet Dante Alighieri wrote The Divine Comedy with its graphic description of...
Boy/Male
Irish
From dubh “â€blackâ€â€ and lan “â€blade, swordâ€â€ means “â€black sword.â€â€ Dubhlainn loved the fairy queen and legendary harpist Aoibhell who gave him her cloak of invisibility to wear in battle.
VISIBILITY GRAPH
VISIBILITY GRAPH
Boy/Male
Indian
Practice or garden
Boy/Male
American, Australian, British, English
God will Uplift; In Use Since the Middle Ages
Girl/Female
Hindu
Boy/Male
Arabic, Gujarati, Hindu, Indian, Muslim
Heart; Mind
Girl/Female
Hindu, Indian
Beautiful
Girl/Female
Gujarati, Hindu, Indian, Japanese, Kannada, Malayalam, Marathi, Tamil, Telugu
Fame; Righteous; Good Faith; Victorious; Famous; Successful
Boy/Male
American, British, English
Noble Friend
Boy/Male
British, English, Hebrew
Little Tom
Boy/Male
African, Australian, German, Ghana
Born on Tuesday
Girl/Female
Australian, Danish, Finnish, German, Latin, Scandinavian, Swedish
Sign; New Victory
VISIBILITY GRAPH
VISIBILITY GRAPH
VISIBILITY GRAPH
VISIBILITY GRAPH
VISIBILITY GRAPH
n.
Capability of being mixed.
n.
One of those (as in the 16th century) who denied the visibility of the church.
n. pl.
The characters of a mineral observed by the use of the blowpipe, as the degree of fusibility, flame coloration, etc.
n.
The quality or state of being partible; divisibility; separability; as, the partibility of an inherttance.
pl.
of Disability
n.
The quality or state of being visible.
n.
The capacity of living after birth.
n.
Quality of being separable or divisible; divisibility; separableness.
n.
The capacity of living, or being distributed, over wide geographical limits; as, the viability of a species.
n.
The state or quality of being invisible; also, that which is invisible.
pl.
of Invisibility
n.
State of being disabled; deprivation or want of ability; absence of competent physical, intellectual, or moral power, means, fitness, and the like.
n.
The act of becoming visible; appearance; visibility.
n.
The quality of being fusible.
n.
The quality of being risible; as, risibility is peculiar to the human species.
n.
The quality or state of being vincible, vincibleness.
n.
The quality or state of being invisible; invisibility.
n.
The quality of being divisible; the property of bodies by which their parts are capable of separation.
n.
The quality or state of being viable.
n.
Want of legal qualification to do a thing; legal incapacity or incompetency.