title: Guest editors' introduction: special section on volume graphics and point-based graphics.
authors.affiliation: Zuse Institute Berlin, Berlin-Dahlem, Germany. hege@zib.de
authors.forename: Hans-Christian
authors.initials: HC
authors.lastname: Hege
authors.forename: David H
authors.initials: DH
authors.lastname: Laidlaw
authors.forename: Raghu
authors.initials: R
authors.lastname: Machiraju
mesh_terms: D000465:Algorithms; D003196:Computer Graphics; D003198:Computer Simulation; D007090:Image Interpretation, Computer-Assisted / Q000379:methods*; D021621:Imaging, Three-Dimensional / Q000379:methods*; D008962:Models, Theoretical; D014584:User-Computer Interface