Project Week 25/Next Generation GPU Volume Rendering

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Key Investigators

• Simon Drouin (Montreal Neurological Institute, Canada)
• Steve Pieper (Isomics inc.)
• Andras Lasso (Queen's University, Canada)
• Ole Vegard Solberg (SINTEF, Norway)

Project Description

Objective	Approach and Plan	Progress and Next Steps
Develop a specification for the next generation of GPU volume processing and rendering in VTK and Slicer The specification should support Multiple input volumes for ray-casting and slice-based volume rendering GPU-based volume slicing and compositing Programmable volume rendering shader Smart management of volumes in GPU memory Possibility to run simple processing operations on the volume (e.g. Non-linear transforms)	Compare the architectures of different existing projects where parts of the required functionality has been implemented: Ibis Neuronav/PRISM (Multi-volume ray-casting with progammable shaders in VTK) Steve Piepers volume processing on the GPU with GLSL (Steve, please write something smarter here) CustusX (GPU volume slicing and compositing with multi-window context sharing) Determine a sensible way to integrate all those contribution in VTK.	TODO