Free-form deformation of solid geometric models
SIGGRAPH '86 Proceedings of the 13th annual conference on Computer graphics and interactive techniques
Ray tracing in non-constant media
Proceedings of the eurographics workshop on Rendering techniques '96
Four-dimensional non-linear ray tracing as a visualization tool for gravitational physics
Proceedings of the conference on Visualization '00
Ray tracing on programmable graphics hardware
Proceedings of the 29th annual conference on Computer graphics and interactive techniques
Proceedings of the ACM SIGGRAPH/EUROGRAPHICS conference on Graphics hardware
Interactive Space Deformation with Hardware-Assisted Rendering
IEEE Computer Graphics and Applications
Global and local deformations of solid primitives
SIGGRAPH '84 Proceedings of the 11th annual conference on Computer graphics and interactive techniques
Vector field based shape deformations
ACM SIGGRAPH 2006 Papers
Visual Simulation of Heat Shimmering and Mirage
IEEE Transactions on Visualization and Computer Graphics
Technical Section: Simulation of atmospheric phenomena
Computers and Graphics
Accelerated, high-quality refraction computations for volume graphics
VG'05 Proceedings of the Fourth Eurographics / IEEE VGTC conference on Volume Graphics
A simple and flexible volume rendering framework for graphics-hardware-based raycasting
VG'05 Proceedings of the Fourth Eurographics / IEEE VGTC conference on Volume Graphics
A variational approach for automatic generation of panoramic maps
ACM Transactions on Graphics (TOG)
Efficient occlusion-free visualization for navigation in mountainous areas
Computers & Geosciences
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We present a framework for the interactive generation of 3D panorama maps. Our approach addresses the main issue that occurs during panorama map construction: non-linear projection or deformation of the terrain in order to minimize the occlusion of important information such as roads and trails. Traditionally, panorama maps are hand-drawn by skilled illustrators. In contrast, our approach provides computer support for the rendering of non-occluded views of 3D panorama maps, where deformations are modeled by nonlinear ray tracing. The deflection of rays is influenced by 2D and 3D force fields that directly consider the shape of the terrain. In addition, our framework allows the user to further modify the force fields to have fine control over the deformations of the panorama map. User interaction is facilitated by our real-time rendering system in terms of linked multiple views of both linear and non-linear projected terrain and the deformed view rays. Fast rendering is achieved by GPU-based non-linear ray tracing. We demonstrate the usefulness of our modeling and visualization method by several examples.