Caa2007

CAA 2007 - Layers of perception Berlin, April, 2-6 Visualization-Project of Roman Cologne - How to make VR models available for scientific work

Lecture:

Dipl.-Ing. Univ. Johannes B채uerlein, Archaeological Institut University of Cologne

Dipl. Des. Rafael Pokorski, KISD, University of Applied Scie Cologne

CAA 2007 - Layers of perception Berlin, April, 2-6 Visualization-Project of Roman Cologne - How to make VR models available for scientific work

Building Archaeology B채uerlein

Dipl.-Ing. Univ. Johannes

CAA 2007 - Layers of perception Berlin, April, 2-6 Visualization-Project of Roman Cologne - How to make VR models available for scientific work

Collaborating Institutions:

Archaeological Institute, University of Cologne Kรถln International School of Design, University of Applied Sciences Cologne Hasso-Plattner Institute, University of Potsdam

Financing: Science, Cologne

RheinEnergieFoundation - Youth/Profession and Romano-Germanic Museum, Cologne

CAA 2007 - Layers of perception Berlin, April, 2-6 Visualization-Project of Roman Cologne - How to make VR models available for scientific work

Detailed building modeling for imparting the implied characteristics of roman architecture

CAA 2007 - Layers of perception Berlin, April, 2-6 Visualization-Project of Roman Cologne - How to make VR models available for scientific work

Remodeled digital terrain model with city map of the roman Cologne (Late 1st Cent. AD)

CAA 2007 - Layers of perception Berlin, April, 2-6 Visualization-Project of Roman Cologne - How to make VR models available for scientific work

Cologne has ever been a settlement site since roman times.

Map of Roman Cologne (Late 1st Cent.

AD) over aerial view of modern Cologne

CAA 2007 - Layers of perception Berlin, April, 2-6 Visualization-Project of Roman Cologne - How to make VR models available for scientific work

Roman Temple of the Capitolian Trias (1st half of the 2nd Cent. AD

CAA 2007 - Layers of perception Berlin, April, 2-6 Visualization-Project of Roman Cologne - How to make VR models available for scientific work

Area of the Ara Ubiorum (late 1st Cent.

AD)

CAA 2007 - Layers of perception Berlin, April, 2-6 Visualization-Project of Roman Cologne - How to make VR models available for scientific work

Semicircular Porticus at the forum (late 1st Cent. AD)

CAA 2007 - Layers of perception Berlin, April, 2-6 Visualization-Project of Roman Cologne - How to make VR models available for scientific work

Computer Generated Imagery

Dipl. Des. Rafael Pokorski

CAA 2007 - Layers of perception Berlin, April, 2-6 Visualization-Project of Roman Cologne - How to make VR models available for scientific work

CAA 2007 - Layers of perception Berlin, April, 2-6 Visualization-Project of Roman Cologne - How to make VR models available for scientific work

CAA 2007 - Layers of perception Berlin, April, 2-6 Visualization-Project of Roman Cologne - How to make VR models available for scientific work

CAA 2007 - Layers of perception Berlin, April, 2-6 Visualization-Project of Roman Cologne - How to make VR models available for scientific work

CAA 2007 - Layers of perception Berlin, April, 2-6 Visualization-Project of Roman Cologne - How to make VR models available for scientific work

CAA 2007 - Layers of perception Berlin, April, 2-6 Visualization-Project of Roman Cologne - How to make VR models available for scientific work

CAA 2007 - Layers of perception Berlin, April, 2-6 Visualization-Project of Roman Cologne - How to make VR models available for scientific work

Semicircular Porticus at the forum (late 1st Cent. AD)

CAA 2007 - Layers of perception Berlin, April, 2-6 Visualization-Project of Roman Cologne - How to make VR models available for scientific work

CAA 2007 - Layers of perception Berlin, April, 2-6 Visualization-Project of Roman Cologne - How to make VR models available for scientific work

CAA 2007 - Layers of perception Berlin, April, 2-6 Visualization-Project of Roman Cologne - How to make VR models available for scientific work

CAA 2007 - Layers of perception Berlin, April, 2-6 Visualization-Project of Roman Cologne - How to make VR models available for scientific work

CAA 2007 - Layers of perception Berlin, April, 2-6 Visualization-Project of Roman Cologne - How to make VR models available for scientific work

CAA 2007 - Layers of perception Berlin, April, 2-6 Visualization-Project of Roman Cologne - How to make VR models available for scientific work

Computer Graphics Systems MaaĂ&#x;

Dipl. Inform. Stefan

CAA 2007 - Layers of perception Berlin, April, 2-6 Visualization-Project of Roman Cologne - How to make VR models available for scientific work

Data Exchange

• Evaluating a number of Formats and that fit our requirements – Supported by the DCC Tools of the Designers – Stable support of standard features, e.g., transformations, instancing, object names, external references, geometric and material definitions – Support of modern Modeling and Rendering Features – Extensible and valid for the next years • Solution: Collada => xml based format, open

CAA 2007 - Layers of perception Berlin, April, 2-6 Visualization-Project of Roman Cologne - How to make VR models available for scientific work

Real-Time Rendering

• Goal: Visualisation and exploration of the roman cologne at interactive frame rates • Complex Geometry of high detailed roman buildings • Level-of Detail, Culling, and Point-Rendering Strategies • Technical Platforms: – Virtual Rendering System (VRS) – LandXplorer technology framework

CAA 2007 - Layers of perception Berlin, April, 2-6

Real-Time Rendering

Visualization-Project of Roman Cologne - How to make VR models available for scientific work

Ara_ubiorum Dyonisos building Temple Ubier monument

3.372.031 tria 383.586 triangles 2.864.695 triangles 88.304 triangles

Pr채torium

86.338 trian

terrain model

320.000 tria

Sum

> 7.000.000 triang

CAA 2007 - Layers of perception Berlin, April, 2-6 Visualization-Project of Roman Cologne - How to make VR models available for scientific work

Context Information

• Application Framework, allowing a combination of an interactive 3D view and interactive context information, including texts with hyperlinks, images, and animations. • Iterative content creation process, collaboration between content providers, designers and technical developers.

CAA 2007 - Layers of perception Berlin, April, 2-6 Visualization-Project of Roman Cologne - How to make VR models available for scientific work

Information Visualization

• Developing of adapted Non Photorealistic Rendering (NPR) Algorithms to depict non-spatial aspects, e.g., changes over time, hypotheses

• Developing of Annotation Techniques providing content elements in the interactive 3D view