Interactive Simulation and Visualization of Large-Scale Flooding Scenarios (Juli 2012)

1 Challenge the future

Interactive Simulation and Visualization of Large-Scale Flooding Scenarios


Introduction

Brisbane/ Queensland: Getty / Jonathan Wood Indonesia: NASA


Introduction

areas with elevation above (green) and below (red) sea level

Population density in areas of different elevation levels in the Netherlands


Introduction

Dykes and artificial structures for protection, channels and rivers for water distribution


Introduction


Topic Overview


Real-time 3D Visualization of massive LiDAR Point Clouds





Local Feature Size

Scale-Space [Perona1990]

Gradient Magnitude-based Features [Zhou and Sun]



Feature-Adaptive Triangulated Irregular Networks [Huang2009]

Tessellation



Labelling [Moosmann2009]

too coarse

too fine



Point Cloud Compression


Interactive, adaptive Simulation of Flooding Scenarios

simple flow models small scales



better computational models, medium-size computation horizon [Brodtkorb2009]





general public

decision makers


GIS Integration

Img. 1,2 & 5: Pennsylvania State University; Bajwa2002; Wang2010

1 2

3 4

5


Multi-Scenario, Comparative Simulation Visualization

momentary workflow



target workflow



Uncertainty Visualization [Hengl2004]

Computational Steering



Science

Interactive Simulation and Visualization of Large-Scale Flooding Scenarios (Juli 2012)