[Bf-committers] Alembic support in Blender

Thu Mar 5 13:15:49 CET 2015

Just  quick update,

Linux build environment should be now ready for alembic.

On Tue, Mar 3, 2015 at 9:45 PM, Jeffrey <italic.rendezvous at gmail.com> wrote:

> Neither can I. For what it's worth, I have tried building from their
> sources, which gives me a linking error, as well as with
> install_deps.sh, which tells me "getopt: unrecognized option
> --with-alembic" and --with-all does not download or build it.
>
> Also Fedora 20 x64
>
> On 03/03/2015 05:34 AM, Thomas Volkmann wrote:
> > I guess I have to wait for the buildbot. I didn't manage to compile
> Alembic on
> > my system (Fedora20).
> > Is there an estimated time when you want to set it up?
> >
> > thx,
> > Thomas
> >
> >
> >> Lukas Tönne <lukas.toenne at gmail.com> hat am 3. März 2015 um 13:49
> geschrieben:
> >>
> >>
> >> Martijn Berger (Juicyfruit) has done a great job making an Alembic fork
> on
> >> github, to get rid of all the annoying cmake errors in Alembic sources.
> >>
> >> https://github.com/martijnberger/alembic
> >>
> >> A pull request has been made to try and get these changes into Alembic.
> For
> >> the time being i would suggest using Martijn's version, which apart from
> >> build file fixes is the same as official Alembic.
> >>
> >> On Tue, Mar 3, 2015 at 11:48 AM, Lukas Tönne <lukas.toenne at gmail.com>
> wrote:
> >>
> >>> I didn't manage to compile with scons yet, but that's mostly because of
> >>> library path issues and time constraints on my side. The buildbot also
> uses
> >>> scons, so if there are remaining issues we will fix them in the
> process of
> >>> getting the buildbot updated.
> >>>
> >>> On Tue, Mar 3, 2015 at 10:54 AM, Piotr Arlukowicz <
> >>> piotao at polskikursblendera.pl> wrote:
> >>>
> >>>> WOW, that's a long awaited news! Thank you Lucas!!!
> >>>>
> >>>> what about scons integration? Can I check this out?
> >>>>
> >>>> regards
> >>>> Pio
> >>>>
> >>>> Piotr
> >>>> Arlukowicz, BFCT
> >>>>
> >>>> *YT: /user/piotao?feature=guide*
> >>>> *FB:* */polskikursblendera* *TW:*
> >>>> */piotao*
> >>>> *Blender Network:* *https://www.blendernetwork.org/piotr-arlukowicz
> >>>> <https://www.blendernetwork.org/piotr-arlukowicz>*
> >>>> *Polski Kurs Blendera:* http://polskikursblendera.pl
> >>>>
> >>>>
> >>>>
> >>>>
> >>>> 2015-03-02 19:24 GMT+01:00 Lukas Tönne <lukas.toenne at gmail.com>:
> >>>>
> >>>>> It's about to get real!
> >>>>>
> >>>>> The Gooseberry team would like to start using the new caching system
> >>>> with
> >>>>> Alembic ASAP. This means that we should make sure Alembic
> dependencies
> >>>> and
> >>>>> the library itself can be properly built and linked by Blender. First
> >>>> goal
> >>>>> is Linux (since we use it in the Blender Institute), but of course it
> >>>>> should work on all platforms. To avoid confusion i will specify
> exactly
> >>>>> which versions we need to use.
> >>>>>
> >>>>> The plan is to first merge the Alembic branch into our gooseberry
> branch
> >>>>> for testing and refinement. However, setting up Alembic build
> systems on
> >>>>> the official buildbot and release build systems would help avoid
> future
> >>>>> problems and smooth out the procedure of merging with master later
> on.
> >>>>>
> >>>>>
> >>>>> As a template for working around build system quirks the usual
> >>>>> install_deps.sh script is available. This builds the Alembic library
> on
> >>>> a
> >>>>> standard Ubuntu 14.10 installation. In addition, it tweaks a couple
> of
> >>>>> build files in the Alembic sources in order to disable certain parts
> >>>> that
> >>>>> have badly defined build scripts (examples, tests) - there may be
> more
> >>>>> proper ways of treating these build file issues.
> >>>>>
> >>>>> First a couple of links:
> >>>>>
> >>>>> Official Alembic site:
> >>>>> http://alembic.io/
> >>>>>
> >>>>> The branch on phabricator:
> >>>>>
> >>>>
> https://developer.blender.org/diffusion/B/repository/alembic_pointcache/
> >>>>> Can be checked out using:
> >>>>> git clone git://git.blender.org/blender.git -b alembic_pointcache
> >>>>>
> >>>>> The main Alembic section of the install_deps.sh script (see XXX parts
> >>>> ...):
> >>>>>
> >>>>
> https://developer.blender.org/diffusion/B/browse/alembic_pointcache/build_files/build_environment/install_deps.sh;1a9c74a3a8fcd4dda3ec2ca09b3fd00e85cb0627$1733
> >>>>> The Alembic version we use is 1.5.5 (official release), which can be
> >>>>> checked out using mercurial/hg like so:
> >>>>> hg clone -u 1_05_05 https://code.google.com/p/alembic/ <target dir>
> >>>>>
> >>>>>
> >>>>> The README.txt file in the Alembic source directory mentions the
> >>>> principle
> >>>>> build procedure and dependencies.
> >>>>>
> https://code.google.com/p/alembic/source/browse/README.txt?name=1_05_05
> >>>>> All of the mandatory dependencies are already part of the standard
> >>>> Blender
> >>>>> dependencies in their required versions, so no major additions other
> >>>> than
> >>>>> Alembic itself should be needed. For reference, here are the required
> >>>>> dependencies of Alembic with their minimum versions (as stated in
> their
> >>>>> README) and the current versions installed by Blender's
> install_deps.sh
> >>>>> script:
> >>>>>
> >>>>> Alembic minimum Blender Ubuntu 14.10
> >>>>> Boost 1.44.0 1.51.0
> >>>>> IlmBase 1.0.3 2.2.0
> >>>>> HDF5 1.8.9 ----- 1.8.12
> >>>>> OpenEXR 1.7.1 2.2.0
> >>>>> zlib (unspecified) (unspecified) 1.2.8
> >>>>>
> >>>>> HDF5 is entirely optional and can be installed to enable this
> container
> >>>>> format for file storage. The branch now uses the Ogawa format by
> >>>> default,
> >>>>> which seems to have become the new standard backend (and does not
> need
> >>>>> additional libraries). The default system version of HDF5 on ubuntu
> also
> >>>>> seems to work fine ('libhdf5-7' package).
> >>>>>
> >>>>>
> >>>>> Blender itself has 2 new build options:
> >>>>> WITH_ALEMBIC : Build with Alembic caching support. Currently this is
> >>>> needed
> >>>>> for the branch to work, otherwise there is no available
> implementation
> >>>> of
> >>>>> the cache interface and a number of functions would probably crash
> >>>> trying
> >>>>> to access a NULL pointer.
> >>>>> WITH_HDF5 : Optional linking with HDF5. This backend is not used
> atm, so
> >>>>> the build option should not be needed.
> >>>>>
> >>>>> New cmake modules FindAlembic.cmake and FindHDF5.cmake have been
> added
> >>>> to
> >>>>> simplify setting up library and include paths for Blender builds.
> >>>>>
> >>>>>
> >>>>> I would very much appreciate help in ironing out remaining issues and
> >>>>> getting libraries for OSX and Windows set up.
> >>>>> Thank you!
> >>>>> _______________________________________________
> >>>>> Bf-committers mailing list
> >>>>> Bf-committers at blender.org
> >>>>> http://lists.blender.org/mailman/listinfo/bf-committers
> >>>>>
> >>>> _______________________________________________
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> >>>>
> >>>
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> --
> Jeffrey "Italic_" Hoover
>
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-- 
With best regards, Sergey Sharybin