I have geometry distributed into parallel pieces such that they are non overlapping and therefore compositing should only need to use a back to front sort last frame buffer operation with no redistribution of geometry.
I'm worried that when I turn on transparency, paraview will try to redistribute my data, even though I have already partitioned it nicely for this. I'd like to use ordered sort last compositing at the top level, and use DepthSortPolyData on each node (no depth peeling for now) to ensure I get a true image. What isn't clear to me is if I "disable ordered compositing" if this disables the transfer of geometry AND also disables the ordered compositing necessary for correct transparent blending (I may be confused here about the blend modes used or the term "ordered compositing" as used in the docs). Is there written down anywhere a complete description of the pipelines used by the various rendering modes so that I can be sure the pipeline is doing what I want. I can create a custom representation which does what I want, but it'll take time and if the existing mechanism support it, I shouldn't need to. Also, I specifically want to use a transparent lookuptable, does the newer paraview 3.98 have anything to support this. I thought I'd seen a thread about this recently, but cannot find it now. In summary : For the rendering, I'd like Ordered sort-last compositing, no geometry redistribution, Depth sort of polygons on each node. Transparent lookup table. What settings should I use :) Thanks JB -- John Biddiscombe, email:biddisco @.at.@ cscs.ch http://www.cscs.ch/ CSCS, Swiss National Supercomputing Centre | Tel: +41 (91) 610.82.07 Via Trevano 131, 6900 Lugano, Switzerland | Fax: +41 (91) 610.82.82
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