Optional, default to "OFF". I'm biased because the only thing i care about OIIO is its ability to do image I/O and do it well - so this feels a bit like feature bloat.
Marcos On Thu, May 24, 2012 at 12:37 AM, Jeremy Selan <jeremy.se...@gmail.com>wrote: > I'll have to let larry comment on which licenses are most appropriate for > use in OIIO. > > I'd also love to get people's input on whether this should be a required > or optional dependency. My gut says to make this an optional dependency, > as it isnt really a 'core' oiio feature, and I'd hate to prevent someone > from building OIIO due to a missing Sparse Linear Solver. I'm thinking > that we if'def it in a manner similar to OCIO's usage, where the external > OIIO symbols remain the same in both cases, but the functionality only > works when compile-time is enabled. > > I forget, have you already implemented this before? (perhaps in C#, if I > remember correctly). May we see that code? (even if it's rough, I'm still > interested). > > I still very much want to explore the "intermediate gradient domain > result" as images before we lock down the external API. > > Łukasz - do you understand what I'm going for here? If not, I'm happy to > describe the idea more. If so, any ideas on if it could be possible? > > > Independent of API, could you sketch out the high-level psuedo-code > for what a simple gradient domain composite looks like? You need to solve > a sparse linear system... I'm curious how all the components hook up. > > -- Jeremy > > On Tue, May 22, 2012 at 2:05 PM, Łukasz Maliszewski < > luk.maliszew...@gmail.com> wrote: > >> To implement Poisson Image Editing I need a sparse linear solver. I >> was trying to find one that fits oiio best but I end up pretty >> confused. >> I want to choose solver that is license compatible with oiio and is >> easily accessible (package managers) from all the main platforms. >> >> Short description about available options: >> http://www.itk.org/Wiki/Proposals:Sparse_Linear_Solvers#Options >> >> What I've found most interesting: >> 1) SuperLU - BSD - available via SPM*(Ubuntu)- this is what I prefer >> because I used it some time ago >> http://crd-legacy.lbl.gov/~xiaoye/SuperLU/ >> 2) SuiteSparse - LGPL/GPL - available via SPM, Homebrew (osx) and >> MacPorts(osx) >> http://www.cise.ufl.edu/research/sparse/SuiteSparse/ >> 3) Eigen - LGPL v3 (headers only) - available via SPM, Homebrew (osx) >> and MacPorts(osx) >> http://eigen.tuxfamily.org/index.php?title=Main_Page >> 4) MTL4 Open-Source Edition - easy to use and should be easy to build >> on all platforms >> http://www.simunova.com/mtl4 >> >> *SPM - Synaptic Package Manager (Ubuntu) >> >> Please have a look at these and share with me your suggestions. After >> we will choose the best solver I will probably need some guidance how >> to add it properly to the linking process. >> >> Cheers, >> Łukasz >> _______________________________________________ >> Oiio-dev mailing list >> Oiio-dev@lists.openimageio.org >> http://lists.openimageio.org/listinfo.cgi/oiio-dev-openimageio.org >> > > > _______________________________________________ > Oiio-dev mailing list > Oiio-dev@lists.openimageio.org > http://lists.openimageio.org/listinfo.cgi/oiio-dev-openimageio.org > >
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