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05 Geodesics on Meshes

05 Geodesics on Meshes. jjcao. Based on the idea of Professor Ligang Liu. Demo. Requirements. Use libQGLViewer as the GUI Load a mesh (*.off) by CGAL Use CGAL :: Polyhedron_3 as the data structure for the mesh Display the mesh Select & unselect one vertex of the mesh

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05 Geodesics on Meshes

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  1. 05 Geodesics on Meshes jjcao Based on the idea of Professor Ligang Liu

  2. Demo

  3. Requirements • Use libQGLViewer as the GUI • Load a mesh (*.off) by CGAL • Use CGAL::Polyhedron_3 as the data structure for the mesh • Display the mesh • Select & unselect one vertex of the mesh • Compute geodesic distance from the vertex to all other vertices & draw the mesh with vertex color specified by the distances. • Select two vertices, draw a geodesic between them • Visualize other graph algorithms, such as BFS [advance] • Note: may refer to The Boost GraphLibrary for graph structures and algorithms. But the library is hard to use for beginners.

  4. The objective • OpenGL basics • Halfedge structure of CGAL • 3D graphics programming based on libQGLViewer • GUI programming by QT • Graph data structure & shortest path algorithms

  5. The process • 12-OpenGL.pptx • 13-libQGLViewer.pptx • 20.1-Halfedge.pptx • Imitatethe base project in hw05_GeodesicsOnMeshes.rar

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