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TRICUT: a program to clip triangle meshes using the rapid and triangle libraries and the visualization toolkit

dc.contributor.authorLindenbeck, C. H.
dc.contributor.authorEbert, H. D.
dc.contributor.authorUlmer, H.
dc.contributor.authorLavorante, L. P.
dc.contributor.authorPflug, R.
dc.contributor.institutionUniv Freiburg
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-20T15:22:39Z
dc.date.available2014-05-20T15:22:39Z
dc.date.issued2002-08-01
dc.description.abstractAn efficient technique to cut polygonal meshes as a step in the geometric modeling of topographic and geological data has been developed. In boundary represented models of outcropping strata and faulted horizons polygonal meshes often intersect each other. TRICUT determines the line of intersection and re-triangulates the area of contact. Along this line the mesh is split in two or more parts which can be selected for removal. The user interaction takes place in the 3D-model space. The intersection, selection and removal are under graphic control. The visualization of outcropping geological structures in digital terrain models is improved by determining intersections against a slightly shifted terrain model. Thus, the outcrop line becomes a surface which overlaps the terrain in its initial position. The area of this overlapping surface changes with respect to the strike and dip of the structure, the morphology and the offset. Some applications of TRICUT on different real datasets are shown. TRICUT is implemented in C+ + using the Visualization Toolkit in conjunction with the RAPID and TRIANGLE libraries. The program runs under LINUX and UNIX using the MESA OpenGL library. This work gives an example of solving a complex 3D geometric problem by integrating available robust public domain software. (C) 2002 Elsevier B.V. Ltd. All rights reserved.en
dc.description.affiliationUniv Freiburg, Inst Geol, D-79104 Freiburg, Germany
dc.description.affiliationUniv Estadual Paulista, Inst Geociencias, BR-13506900 Rio Claro, SP, Brazil
dc.description.affiliationUnespUniv Estadual Paulista, Inst Geociencias, BR-13506900 Rio Claro, SP, Brazil
dc.format.extent841-850
dc.identifierhttp://dx.doi.org/10.1016/S0098-3004(01)00110-8
dc.identifier.citationComputers & Geosciences. Oxford: Pergamon-Elsevier B.V., v. 28, n. 7, p. 841-850, 2002.
dc.identifier.doi10.1016/S0098-3004(01)00110-8
dc.identifier.issn0098-3004
dc.identifier.urihttp://hdl.handle.net/11449/33588
dc.identifier.wosWOS:000176397400006
dc.language.isoeng
dc.publisherElsevier B.V.
dc.relation.ispartofComputers & Geosciences
dc.relation.ispartofjcr2.567
dc.relation.ispartofsjr1,350
dc.rights.accessRightsAcesso restritopt
dc.sourceWeb of Science
dc.subjectvisualizationpt
dc.subjectsurface modelingpt
dc.subjectinstersection computationpt
dc.subjectsurface cuttingpt
dc.subjectDelaunay triangulationpt
dc.titleTRICUT: a program to clip triangle meshes using the rapid and triangle libraries and the visualization toolkiten
dc.typeArtigopt
dcterms.licensehttp://www.elsevier.com/about/open-access/open-access-policies/article-posting-policy
dcterms.rightsHolderElsevier B.V.
dspace.entity.typePublication
unesp.campusUniversidade Estadual Paulista (UNESP), Instituto de Geociências e Ciências Exatas, Rio Claropt

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