Polygonal
81Polygon mesh — A polygon mesh or unstructured grid is a collection of vertices, edges and faces that defines the shape of a polyhedral object in 3D computer graphics and solid modeling. The faces usually consist of triangles, quadrilaterals or other simple… …
82Arc length — Determining the length of an irregular arc segment is also called rectification of a curve. Historically, many methods were used for specific curves. The advent of infinitesimal calculus led to a general formula that provides closed form… …
83Carpenter's ruler problem — The carpenter s ruler problem is a discrete geometry problem, which can be stated in the following manner: Can a simple planar polygon be moved continuously to a position where all its vertices are in convex position, so that the edge lengths and …
84Inca architecture — is the most significant pre Columbian architecture in South America. The Incas inherited an architectural legacy from Tiwanaku, founded in the second century B.C. in present day Bolivia. Much of present day architecture at the former Inca capital …
85St. Peter's Church, Rostock — St. Peter s Church, in German Petrikirche, is the oldest of three town churches found in the Hanseatic city of Rostock, in northern Germany. The other two are St. Mary s Church (Marienkirche) and St. Nicholas (Nikolaikirche ). A fourth, St.… …
86Straight skeleton — In geometry, a straight skeleton is a method of representing a polygon by a topological skeleton. It is similar in some ways to the medial axis but differs in that the skeleton is composed of straight line segments, while the medial axis of a… …
87Château d'Angoulême — Town hall of Angoulême The Château d Angoulême was a castle in the town of Angoulême, in the Charente département of France. The only remaining parts are the keep of Lusignan and the tower of Valois, which are part of the Town Hall of Angoulême,… …
88Călineşti Susani church — Călineşti Susani from the rear. Photo: A Baboş, July 2006 The Călineşti Susani church stands in the village of Călineşti in the region of Maramureş, Cosău valley, in Romania. This church is representative for the Moldavian inspired wooden… …
89Architecture of the medieval cathedrals of England — The medieval cathedrals of England, dating from between approximately 1040 and 1540, are a group of twenty five buildings which together constitute a major aspect of the country’s artistic heritage and are among the most significant material… …
90Seismic Unix — is an open source seismic utilities package supported by the Center for Wave Phenomena (CWP) at the Colorado School of Mines (CSM).Infobox Software name = Seismic Unix caption = Velocity Analysis with SU developer = [http://www.cwp.mines.edu/… …
