Lights from highlights and shadows
I3D '92 Proceedings of the 1992 symposium on Interactive 3D graphics
I3D '92 Proceedings of the 1992 symposium on Interactive 3D graphics
SIGGRAPH '93 Proceedings of the 20th annual conference on Computer graphics and interactive techniques
Radioptimization: goal based rendering
SIGGRAPH '93 Proceedings of the 20th annual conference on Computer graphics and interactive techniques
Lighting controls for computer cinematography
Journal of Graphics Tools
A fast relighting engine for interactive cinematic lighting design
Proceedings of the 27th annual conference on Computer graphics and interactive techniques
Proceedings of the 27th annual conference on Computer graphics and interactive techniques
Sketching Shadows and Highlights to Position Lights
CGI '97 Proceedings of the 1997 Conference on Computer Graphics International
Shadow matting and compositing
ACM SIGGRAPH 2003 Papers
Light Collages: Lighting Design for Effective Visualization
VIS '04 Proceedings of the conference on Visualization '04
Spotlight: directing users' attention on large displays
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Lpics: a hybrid hardware-accelerated relighting engine for computer cinematography
ACM SIGGRAPH 2005 Papers
Conveying Shape and Features with Image-Based Relighting
Proceedings of the 14th IEEE Visualization 2003 (VIS'03)
IEEE Transactions on Visualization and Computer Graphics
Tweakable light and shade for cartoon animation
Proceedings of the 4th international symposium on Non-photorealistic animation and rendering
ACM Transactions on Graphics (TOG)
Proceedings of the 5th international symposium on Non-photorealistic animation and rendering
Locally controllable stylized shading
ACM SIGGRAPH 2007 papers
Toward evaluating lighting design interface paradigms for novice users
ACM SIGGRAPH 2009 papers
ACM SIGGRAPH Asia 2009 papers
LightShop: An Interactive Lighting System Incorporating the 2D Image Editing Paradigm
ISVC '09 Proceedings of the 5th International Symposium on Advances in Visual Computing: Part II
envyLight: an interface for editing natural illumination
ACM SIGGRAPH 2010 papers
Interactive on-surface signal deformation
ACM SIGGRAPH 2010 papers
Real-time lens blur effects and focus control
ACM SIGGRAPH 2010 papers
Interactive rembrandt lighting design
PCM'05 Proceedings of the 6th Pacific-Rim conference on Advances in Multimedia Information Processing - Volume Part I
Learning about shadows from artists
Computational Aesthetics'10 Proceedings of the Sixth international conference on Computational Aesthetics in Graphics, Visualization and Imaging
iCheat: a representation for artistic control of indirect cinematic lighting
EGSR'08 Proceedings of the Nineteenth Eurographics conference on Rendering
Optimizing environment maps for material depiction
EGSR'11 Proceedings of the Twenty-second Eurographics conference on Rendering
Visibility editing for all-frequency shadow design
EGSR'10 Proceedings of the 21st Eurographics conference on Rendering
Bendylights: artistic control of direct illumination by curving light rays
EGSR'10 Proceedings of the 21st Eurographics conference on Rendering
Path-space manipulation of physically-based light transport
ACM Transactions on Graphics (TOG) - SIGGRAPH 2013 Conference Proceedings
An information-theoretic observation channel for volume visualization
EuroVis '13 Proceedings of the 15th Eurographics Conference on Visualization
Interactive lighting design with hierarchical light representation
EGSR '13 Proceedings of the Eurographics Symposium on Rendering
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Placing shadows is difficult task since shadows depend on the relative positions of lights and objects in an unintuitive manner. To simplify the task of the modeler, we present a user interface for designing shadows in 3d environments. In our interface, shadows are treated as first-class modeling primitives just like objects and lights. To transform a shadow, the user can simply move, rescale or rotate the shadow as if it was a 2d object on the scene's surfaces.When the user transforms a shadow, the system moves lights or objects in the scene as required and updates the shadows in realtime during mouse movement. To facilitate interaction, the user can also specify constraints that the shadows must obey, such as never casting a shadow on the face of a character. These constraints are then verified in real-time, limiting mouse movement when necessary. We also integrate in our interface fake shadows typically used in computer animation. This allows the user to draw shadowed and non-shadowed regions directly on surfaces in the scene.