Guaranteed ray intersections with implicit surfaces
SIGGRAPH '89 Proceedings of the 16th annual conference on Computer graphics and interactive techniques
Interval analysis for computer graphics
SIGGRAPH '92 Proceedings of the 19th annual conference on Computer graphics and interactive techniques
Real functions for representation of rigid solids
Computer Aided Geometric Design
An implicit surface polygonizer
Graphics gems IV
Shape transformation using variational implicit functions
Proceedings of the 26th annual conference on Computer graphics and interactive techniques
On optimistic methods for concurrency control
ACM Transactions on Database Systems (TODS)
A method for sharing interactive deformations in collaborative 3D modeling
Proceedings of the ACM symposium on Virtual reality software and technology
Time, clocks, and the ordering of events in a distributed system
Communications of the ACM
Introduction to Implicit Surfaces
Introduction to Implicit Surfaces
ACM Transactions on Computer-Human Interaction (TOCHI)
Generalized filleting and blending operations toward functional and decorative applications
Graphical Models - Special issue on SMI 2003
Interactive Implicit Modeling with Hierarchical Spatial Caching
SMI '05 Proceedings of the International Conference on Shape Modeling and Applications 2005
Generalized sweep templates for implicit modeling
GRAPHITE '05 Proceedings of the 3rd international conference on Computer graphics and interactive techniques in Australasia and South East Asia
Multi-agent collaborative 3D design with geometric model at different levels of detail
Robotics and Computer-Integrated Manufacturing
Blobtree modelling
Fundamentals of Computer Graphics
Fundamentals of Computer Graphics
Multi-Level modeling and access control for data sharing in collaborative design
Advanced Engineering Informatics
Technical Section: WarpCurves: A tool for explicit manipulation of implicit surfaces
Computers and Graphics
Collaborative visualization: current systems and future trends
Proceedings of the 16th International Conference on 3D Web Technology
Real-time collaborative scientific WebGL visualization with WebSocket
Proceedings of the 17th International Conference on 3D Web Technology
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Collaborative modelling has become more important in the last few years, especially now that mobile devices show processing power to support 3D modelling in real-time. Current mobile networks, such as 3G and LTE, unfortunately are not as fast as traditional wired internet and have higher latency. The problem with collaborative modelling using triangle meshes is that complex models are slow to synchronize and require large network resources depending on the amount of data needed to update a model. Synchronizing thousands of triangles over the network between all participating users can introduce substantial lag between the transactions, especially on over-the air networks, making fine grained and rapid updates at interactive rates hard to achieve. In contrast the BlobTree is based on combining skeletal primitives and sketched-shapes using standard CSG and various blending operators. Using this methodology complex models can be encoded with a smaller memory footprint than mesh based systems, thus allowing for less traffic across a network to synchronize two or more workstations with one model. As a result fine grained and rapid updates are possible, improving the visual communication between all participating users.