My main area of research is computational geometry. So far I focused on fixture design, assembly planning and morphological image processing. Now I am working on the Gishur project on visualization of (geometric) algorithms for teaching.

I have been working with Java since 1996 and developed a library for programming and visualizing geometric algorithms - the Gishur library.

• Gishur - Java library for geometric algorithms and visualization
• Fixture Design - my masters thesis and an applet for verifying and computing point-fixtures of polygons

• Fallstudien zu Informationsstrukturen und wissensbasierte Systeme (WS 1999/2000)
• Großes Projektpraktikum: Geometric Design / Robotik / Flexible Fertigung (SS 1999)
• Blockseminar "Algorithmische Methoden in der flexiblen Fertigung und Standortplanung" (WS 98/99)
• Übungen zur Praktischen Informatik I (WS 98/99)
• Übungen zur Praktischen Informatik II (SS 98)

• Fixtur von Werkstücken - Analyse von Methoden und Implementierung auf Java-Plattform.
  My masters thesis on fixture design. You can try the fixture applet developed for the thesis.
  fix.zip - [1.73MB,Zipped Postscript] (German)
• Morphologische Bildverarbeitung.
  A documentation on a project in morphological image processing in summer 1996.
  morph.zip - [639KB,Zipped Postscript] (German)

• Fixture Design Applet - verification and computation of point fixtures of simple polygons
• Skeleton / Medial Axis Applet - calculates the skeleton of a simple polygons in runtime O(n*log(n)) with D.T. Lee's algorithm.
• VIP - computes the visibility polygon for a point in a simple polygon in optimal linear time ( JDK 1.0 applet).
• Sweep-Applets - Two applets demonstrating the sweep paradigm: The classical segment intersection sweep and the more complicated polygon intersection sweep that calculates the interection polygons of two simple polygons.

All applets need a Java JDK1.1 enabled browser. All applets need a Java JDK1.1 enabled browser. At this time only Microsofts Internet Explorer 4.x and Netscape Navigator 4.06 (and higher) support this adequately. Internet Explorer performs better on Windows platforms.

• University of Würzburg: Institut für Informatik, Lehrstuhl Informatik I, Fachschaft Mathematik/Informatik, Rechenzentrum
• Java-Development: JavaSoft Homepage, Microsofts Java-Page
• Computational Geometry: Computational Geometry Pages, Computational Geometry Software List
• 3D programming: Java 3D API, VRML
• Interdisciplinary Projects: i-group, Homepage Thomas Schubert
• [more links]