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Package topology Classical digital topology Cubical cellular topology Digital surface topology

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38 pages
Package topology Classical digital topology Cubical cellular topology Digital surface topology UMR 5127 DGtal: Topology module Jacques-Olivier Lachaud DGtal Meeting, September 2011 J.-O. Lachaud DGtal topology module 1/30

  • adj4

  • classical digital

  • adj8

  • package topology

  • cellular topology

  • digital surface

  • topology cubical

  • topology

  • typedef metricadjacency


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e1/3odulogym
DGtal: Topology module http://liris.cnrs.fr/dgtal
Jacques-Olivier Lachaud
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Package description Should contain classical digital topologyà laRosenfeld cartesian cellular topology digital surface topologyà laHerman must be the base block of geometric algorithms
ulodymog
Location {DGtal}/src/DGtal/topology {DGtal}/src/DGtal/helpers {DGtal}/tests/topology
Examples adjacencies, connected components, simple points, thinning cells, boundary operators, incidence, opening, closing contours, surfel adjacency, surface tracking topological invariants
0/3e2
-OJ.ac.Ludhaule3/30
Available in DGtal 0.4
1.classical digital topology IArbitrary adjacencies inZn, but also in subdomains IDigital topology = couple of adjacencies (Rosenfeld) IObject = Topology + Set IOperations : neighborhoods, border, connectedness and connected components, decomposition into digital layers, simple points 2.cubical cellular topology Icells, adjacent and incident cells, faces and cofaces Isigned cells, signed incidence, 3.digital surface topology Isurfels, surfel adjacency, surfel neighborhood Isurface tracking (normal, fast), contour tracking innD
GDattlpologomydolaidigattlpologoetopologyClassicaPgakcygopolecotruaflstagiDigylopotoralulleclacibuCy
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