CGWeek Young Researchers Forum 2018 Booklet of Abstracts 2018 This volume contains the abstracts of papers at “Computational Geometry: Young Researchers Forum” (CG:YRF), a satellite event of the 34th International Symposium on Computational Geometry, held in Budapest, Hungary on June 11-14, 2018. The CG:YRF program committee consisted of the following people: Don Sheehy (chair), University of Connecticut Peyman Afshani, Aarhus University Chao Chen, CUNY Queens College Elena Khramtcova, Université Libre de Bruxelles Irina Kostitsyna, TU Eindhoven Jon Lenchner, IBM Research, Africa Nabil Mustafa, ESIEE Paris Amir Nayyeri , Oregon State University Haitao Wang, Utah State University Yusu Wang, The Ohio State University There were 31 papers submitted to CG:YRF. Of these, 28 were accepted with revisions. Copyrights of the articles in these proceedings are maintained by their respective authors. More information about this conference and about previous and future editions is available online at http://www.computational-geometry.org/ Topology-aware Terrain Simplification Ulderico Fugacci Institute of Geometry, Graz University of Technology Kopernikusgasse 24, 8010 Graz, Austria
[email protected] https://orcid.org/0000-0003-3062-997X Michael Kerber Institute of Geometry, Graz University of Technology Kopernikusgasse 24, 8010 Graz, Austria
[email protected] https://orcid.org/0000-0002-8030-9299 Hugo Manet Département d’Informatique, École Normale Supérieure 45 rue d’Ulm, 75005 Paris, France
[email protected] https://orcid.org/0000-0003-4649-2584 Abstract A common issue in terrain visualization is caused by oversampling of flat regions and of areas with constant slope. For a more compact representation, it is desirable to remove vertices in such areas, maintaining both the topological properties of the terrain and a good quality of the underlying mesh.