1. Virtual Reconstruction of Medieval Architecture Maic Masuch and B.Freudenberg, T. Strothotte, University of Magdeburg B. Ludowici, S. Kreiker, Museum of Cultural History, Magdeburg

2. 2 / 14 The Excavation in Magdeburg Photograph of the excavation site in 1966 Excavation overview

3. 3 / 14 The Excavation in Magdeburg Excavated foundations Derived foundation plan

4. 4 / 14 Reconstruction data Information sources for the reconstruction: excavation data excavation data deductionsdeductions analogiesanalogies assumptionsassumptions certainty decreasing

5. 5 / 14 The Visualization

6. 6 / 14 Non-Photorealistic Images Sketch-like rendition Emphasizing elements with specific line styles

7. 7 / 14 Hybrid Images Combination of photo, line drawing and rendering Combination of photo and line drawing

8. 8 / 14 Photorealistic Images Column hall of the ground floor Surroundings of the main palace

9. 9 / 14 Reconstruction Data: Findings Some masonry remains serve as example...... for the appearance of the outside walls.

10. 10 / 14 Reconstruction Data: Deductions The width of the foundation grid supporting the column hall...... gives the overall shape and height of the ground level.

11. 11 / 14 Reconstruction Data: Analogies Floor tiling from a nearby excavated ottonian cathedral...... serves as model for the upper floor.

12. 12 / 14 Reconstruction Data: Assumptions Contemporary paintings suggest oil lamps as illumination source...... particularly in the ground hall,... particularly in the ground hall, which had only 2 small windows. which had only 2 small windows.

13. 13 / 14 The Animation Here comes the video...

14. 14 / 14 Conclusion Choose a visualization method that fits your communicative goal best: non-photorealisticnon-photorealistic hybridhybrid photorealisticphotorealistic Future work: non-photorealistic visualization systemnon-photorealistic visualization system interactive walkthroughinteractive walkthrough