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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.

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Showing 21 to 22 of 22 (0.057 seconds)

Spelling suggestions: "subject:"triangulierung"" "subject:"triangulierungs""

21

Ein Ansatz für die interaktive Manipulierung der zusammenhängenden Körpersegmente eines triangulierten 3D-Objektes mittels der Objektmittelachse

15 March 2003 (has links)
The diploma thesis describes how an 3D-object can manipulated easily using an approximation of the medial axis. / Die Diplomarbeit beschreibt, wie ein trianguliertes 3D-Objekt in eine Volumendarstellung überführt wird und von der die Mittelachsenapproximation durch 1D- bzw. 2D-Skelett berechnet wird. Auf dem Skelett werden automatisch Stützpunkte berechnet oder durch den Anwender festgelegt. Durch interaktive Modifikation dieser Stützpunkte wird eine neue Form des Skeletts bestimmt, die durch inverse Transformation auf die 3D-Triangulierung übertragen wird.
info:eu-repo/classification/ddc/004
ddc:004
Mittelachsentransformation
Triangulierung
3D-Graph
3D-Modelle
Modellmanipulierung
Skelettextraktion
Topologischer Graph
Volumenerzeugung
22

k-irreducible triangulations of 2-manifolds

Melzer, Sebastian 10 October 2019 (has links)
This thesis deals with k-irreducible triangulations of closed, compact 2-manifolds without boundary. A triangulation is k-irreducible, if all its closed cycles of length less than k are nullhomotopic and no edge can be contracted without losing this property. k-irreducibility is a generalization of the well-known concept of irreducibility, and can be regarded as a measure of how closely the triangulation approximates a smooth version of the underlying surface. Research follows three main questions: What are lower and upper bounds for the minimum and maximum size of a k-irreducible triangulation? What are the smallest and biggest explicitly constructible examples? Can one achieve complete classifications for specific 2-manifolds, and fixed k?
info:eu-repo/classification/ddc/510
ddc:510

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