1. Tuvok... and ImageVis3D Tom Fogal & Jens Krüger http://www.vacet.org/

2. Overview Volume rendering library developed at SCIVolume rendering library developed at SCI Slice based, ray casting, and ClearView rendering modesSlice based, ray casting, and ClearView rendering modes Multidimensional transfer functionsMultidimensional transfer functions OpenGL / DX10 based – hardware acceleratedOpenGL / DX10 based – hardware accelerated –.. or Mesa, where appropriate Fast!Fast!

3. http://www.vacet.org/ Problem Addressed Accomplishments:Accomplishments: –production-quality, high performance volume rendering Science Impact:Science Impact: –Enable interactive volume rendering of large, volume rendering of large, high-resolution data. high-resolution data.

4. http://www.vacet.org/ Why Tuvok? Lightweight Modular DesignLightweight Modular Design Up-To-Date Graphics APIsUp-To-Date Graphics APIs –OpenGL 2.0 (requires only 1.2 + GLSL + FBO) –Direct3D 10 (Direct3D 11) –supports wide range of devices (including Mesa) QualityQuality –SBVR & GPU based raycasting PerformancePerformance

5. http://www.vacet.org/ Why Tuvok (at SCI)? Active developer baseActive developer base Self ContainedSelf Contained Sophisticated Out-of-Core renderingSophisticated Out-of-Core rendering Existing basis for one project here at SCIExisting basis for one project here at SCI Integration into other apps (SCIRun, VisTrails, Seg3D)Integration into other apps (SCIRun, VisTrails, Seg3D)

6. http://www.vacet.org/ State & Future In development (approx. 1 year)In development (approx. 1 year) Already in active use (ImageVis3D)Already in active use (ImageVis3D) 1.0 release ‘soon’ (end of April)1.0 release ‘soon’ (end of April) VisIt integration underwayVisIt integration underway HW accelerated, parallel volume renderingHW accelerated, parallel volume rendering

7. http://www.vacet.org/ Demo