CGAL Arrangements and Their Applications: A Step-by-Step by Efi Fogel

By Efi Fogel

Arrangements of curves represent primary constructions which have been intensively studied in computational geometry. preparations have a number of functions in a variety of components – examples comprise geographic details structures, robotic movement making plans, records, computer-assisted surgical procedure and molecular biology. imposing powerful algorithms for preparations is a notoriously tricky job, and the CGAL preparations package deal is the 1st strong, finished, established and effective implementation of knowledge buildings and algorithms for preparations of curves.

This publication is ready tips on how to use CGAL two-dimensional preparations to unravel difficulties. The authors first display the good points of the association package deal and similar applications utilizing small instance courses. They then describe functions, i.e., whole standalone courses written on best of CGAL preparations used to unravel significant difficulties – for instance, discovering the minimum-area triangle outlined by way of a collection of issues, making plans the movement of a polygon translating between polygons within the aircraft, computing the offset polygon, discovering the most important universal aspect units less than approximate congruence, developing the farthest-point Voronoi diagram, coordinating the movement of 2 discs relocating between stumbling blocks within the airplane, and acting Boolean operations on curved polygons.

The ebook comprises accomplished motives of the answer courses, many illustrations, and unique notes on additional studying, and it truly is supported by means of an internet site that includes downloadable software program and workouts. it will likely be compatible for graduate scholars and researchers focused on utilized study in computational geometry, and for pros who require worked-out options to real-life geometric difficulties. it truly is assumed that the reader knows the C++ programming-language and with the fundamentals of the generic-programming paradigm.

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Html#Pkg:Triangulation2. 239 [221] T. Zaslavsky. Facing up to Arrangements: Face-Count Formulas for Partitions of Space by Hyperplanes, volume 154 of Memoirs Amer. Math. Soc. American Mathematical Society, Providence, RI, 1975. 17 Index Ackermann function inverse, 206, 260 adaptor, 13 of arrangement, 16, 161, 172, 173 of iterator, 161 of output iterator, 63 of traits, 91, 125, 194–196, 218 add_vertical_segment(), 59, 81 algebraic structure, 11, 98 Algebraic_kernel_d_1, 106, 111, 114 AlgebraicKernel_d_1, 106, 111, 114 Ann, 63 API, see application programming interface application programming interface, 10 approximated_offset_2(), 216, 219, 233 arc circular, 16, 53, 87, 98–102, 104, 124–128, 158, 161, 175, 190, 192–194, 199, 214–216, 230 conic, 15, 21, 35, 83, 102–104, 125, 190, 215, 218, 248 geodesic, 264 rational function, xviii, 21, 105–109, 124, 125, 127 argument-dependent lookup, 15 Arr_accessor, 33 Arr_algebraic_segment_traits_2, 111, 113, 114, 125–127 Arr_Bezier_curve_traits_2, 109, 110, 125, 127, 191, 195 Arr_circle_segment_traits_2, 98–100, 125, 126, 158, 191, 194 Arr_circular_line_arc_traits_2, 125, 126 Arr_conic_traits_2, 102, 103, 109, 125–127, 191, 218, 256 Arr_consolidated_curve_data_traits_2, 118 Arr_curve_data_traits_2, 117, 118, 244 Arr_dcel_base, 136 Arr_default_dcel, 21, 132, 137, 139 Arr_extended_dcel, 134, 136, 137, 140 Arr_extended_dcel_text_formatter, 137 Arr_face_extended_dcel, 132, 137, 140 Arr_face_extended_text_formatter, 137 Arr_face_index_map, 164 Arr_face_overlay_traits, 140 Arr_inserter, 37 Arr_landmarks_point_location, 46 Arr_landmarks_vertices_generator, 45 Arr_linear_traits_2, 21, 35, 94, 125, 246 Arr_non_caching_segment_basic_traits_2, 93, 125 Arr_non_caching_segment_traits_2, 21, 92, 93, 125, 191 Arr_non_caching_segment_traits_basic_2, 93 Arr_oblivious_side_tag, 85, 90 Arr_observer, 129, 130 Arr_open_side_tag, 90 Arr_polyline_traits_2, 95, 117, 120, 125, 191 Arr_polyline_traits_2>, 95 Arr_rational_arc_traits_2, 35, 126, 127, 191 Arr_rational_function_traits_2, 90, 105, 106, 125 Arr_segment_traits_2, 21, 28, 53, 92, 93, 97, 118, 125, 191 Arr_text_formatter, 35, 137 Arr_traits_2, 195 Arr_trapezoid_ric_point_location, 46 Arr_vertex_index_map, 162, 163 arrangement, xi–xiii, 1–4, 7–13, 15–17, 19–27, 29, 30, 32–38, 41–62, 64, 65, 67–70, 72–74, 76, 81, 83–86, 88, 89, 92, 93, 95–104, 117, 124, 129, 134, 137–140, 142–148, 150–154, 157–159, 164, 167, 168, 172, 173, 178, 185, 189, 190, 195, 203, 206, 207, 209, 214, 220, 222, 223, 233, 238, 241, 252, 260, 263–268 convex, 81, 158 decomposing, 221, 222, 239 definition, 1, 19 extending, 16, 35, 129, 130, 132, 137, 140, 144, 145, 155, 158, 164, 178, 207, 251 graph, 161, 162, 164, 165, 172, 173 E.

8 edition, 2011. 8/doc_html/cgal_manual/packages. html#Pkg:Envelope2. 260 [212] R. Wein. 2D Minkowski sums. In Cgal User and Reference Manual. 8 edition, 2011. 8/doc_html/cgal_manual/packages. html#Pkg:MinkowskiSum2. 238 [213] R. Wein, E. Fogel, B. Zukerman, and D. Halperin. Advanced programming techniques applied to Cgal’s arrangement package. Computational Geometry: Theory and Applications, 38(1–2):37–63, 2007. Special issue on Cgal. 41, 124, 264 [214] R. Wein, E. Fogel, B. Zukerman, and D. Halperin.

Fast randomized point location without preprocessing in two- and three-dimensional Delaunay triangulations. In Proceedings of the 12th Annual ACM Symposium on Computational Geometry (SoCG), pages 274–283. Association for Computing Machinery (ACM) Press, 1996. 63 [163] D. E. Muller and F. P. Preparata. Finding the intersection of two convex polyhedra. Theoretical Computer Science, 7:217–236, 1978. 41 [164] K. Mulmuley. Computational Geometry: An Introduction Through Randomized Algorithms. Prentice Hall, Englewood Cliffs, NJ, 1993.

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