[Bf-committers] Developer irc meeting minutes, 16 Jan 2011

Fri Jan 21 19:00:43 CET 2011

Hi Tamito,

Great update, cool blog :)
If youre OK, I copy the intro text + image to our code blog too, nice  
to spread this as a reference.

-Ton-

------------------------------------------------------------------------
Ton Roosendaal  Blender Foundation   ton at blender.org    www.blender.org
Blender Institute   Entrepotdok 57A  1018AD Amsterdam   The Netherlands

On 17 Jan, 2011, at 3:16, Tamito KAJIYAMA wrote:

> Hi Ton and all,
>
>> - Ton notices Tamito Kajuyama nicely keeps his Non-Photo-Realistic
>> render branch (FreeStyle) upto date with the 2.5 trunk. Testers and
>> reviewers welcome!
>> http://projects.blender.org/scm/viewvc.php/branches/soc-2008-mxcurioni/?root=bf-blender
>
> Thank you Ton for bringing people's attention to the Freestyle branch.
> It is my great pleasure to see that the Freestyle integration work is
> recognized in this way.
>
> I take this opportunity to report the current status of the Freestyle
> integration project in response to the following message from Ton on
> 6th of January:
>
>> During the next months the branch devs can report here on how stable
>> migrations are, to make a planning that doesn't break 2.6  
>> immediately,
>> but do this in smaller steps and releases.
>
>
> *** Freestyle integration status report January 2011 ***
>
> In December 2009, we defined a list of things that should be finished
> before the merge into the trunk is asked [1].  This to-do list  
> included
> fixes of stability issues, recovery of missing features, and additions
> of a few new functionalities.
>
> Among these things, a strong emphasis was first put on addressing
> the stability issues.  Most critical bugs were fixed in the first two
> months after the definition of the to-do list.  These fixes addressed
> (a) a long-standing source of various instability issues related to
> 2D-to-3D inverse projection transformation [2, 3], (b) crash due to
> objects behind the camera [4], and (c) fatal instability related to  
> the
> orthographic camera [4].  Problem reports from branch users also
> helped the consolidation of the branch a lot.  As a result, the  
> stability
> of the renderer has been substantially improved.
>
> After these stability improvements were made, the development
> moved on to the recovery of missing features, including (a)  
> transparent
> strokes [5], (b) image-space density and Z depth information [5],
> (c) full-sample anti-aliasing [6], and (d) border rendering [7].
>
> Some documentation work was also done to migrate the Freestyle
> API reference manual into the new Sphinx-based documentation
> system for Blender 2.5 [8].
>
> Having most of the initial to-do items addressed, we refined the list
> of final targets in June 2010 based on users' requests and available
> human resources.  Less important missing features were dropped
> from the list, while a key element was included.  The updated to-do
> list [9] consists of three items:
>
> 1. An artist-friendly GUI for interactive manipulation of line style  
> parameters
> 2. Feature edge detection at the intersection of two faces
> 3. Completion of Freestyle Python API improvements
>
> The new GUI aims to provide artists with an intuitive and easy-to-use
> line stylization toolset.  To start with, several GUI design  
> approaches
> were discussed [9], and GUI designs of commercial NPR software
> were reviewed [10].  The basic framework for Freestyle in Blender
> has been implemented as documented in [11].  The GUI is functional
> and ready for tests by users.
>
> As of this report, subjective achievement rates of the three to-do  
> items
> are 40%, 0%, and 80%, respectively.  Taking the amount of unfinished
> work and available resources into account, the completion of all the
> to-do items is unlikely to happen earlier than the next summer.
>
> As cited above, updates on the development work have been posted
> to the Freestyle integration blog:
>
> http://freestyleintegration.wordpress.com/
>
> The Freestyle branch has been kept in sync with the trunk code base
> by regularly merging changes from the trunk.  Branch users have been
> actively exchanging techniques, application ideas, and rendering  
> results
> through the Freestyle thread in BlenderArtists.org:
>
> http://blenderartists.org/forum/showthread.php?t=89986
>
> Thanks to volunteer builders, up-to-date Freestyle builds are  
> available at:
>
> http://www.graphicall.org/
>
> Those who are interested in the reported new elements of Freestyle are
> highly encouraged to test and review this branch.
>
>
> January 17, 2011
> KAJIYAMA, Tamito (T.K.)
>
>
> [1] http://freestyleintegration.wordpress.com/2009/12/21/new-to-do-list/
>
> [2] http://freestyleintegration.wordpress.com/2010/01/10/weekly-update-december-28-january-10/
>
> [3] http://freestyleintegration.wordpress.com/2010/01/18/weekly-update-january-11-17/
>
> [4] http://freestyleintegration.wordpress.com/2010/02/01/weekly-update-january-25-31/
>
> [5] http://freestyleintegration.wordpress.com/2010/02/17/weekly-update-february-8-16/
>
> [6] http://freestyleintegration.wordpress.com/2010/03/29/weekly-update-march-15-28/
>
> [7] http://freestyleintegration.wordpress.com/2010/04/07/weekly-update-march-29-april-4/
>
> [8] http://freestyleintegration.wordpress.com/2010/04/18/weekly-update-april-5-18/
>
> [9] http://freestyleintegration.wordpress.com/2010/06/07/weekly-update-may-24-june-6/
>
> [10] http://freestyleintegration.wordpress.com/2010/06/27/weekly-update-june-7-27/
>
> [11] http://freestyleintegration.wordpress.com/2010/08/11/weekly-update-july-12-august-11/
>
> -- 
> KAJIYAMA, Tamito <rd6t-kjym at asahi-net.or.jp>
>
>
> ----- Original Message -----
> From: "Ton Roosendaal" <ton at blender.org>
> To: "bf-blender developers" <bf-committers at blender.org>
> Sent: Sunday, January 16, 2011 4:29 PM
> Subject: [Bf-committers] Developer irc meeting minutes, 16 Jan 2011
>
>
>> Hi all,
>>
>> 1) 2.5 project
>>
>> - Tracker went up to 67, enough work todo still!
>>
>> - Sergey announced that his "crazyspace" work to allow sculpting
>> armature-deformed meshes is ready for final reviews. He'll get it
>> reviewed first by Brecht, and then either commits or posts in tracker
>> for further feedback.
>>
>> - COLLADA: Ton had a concerned mail from COLLADA lead Remi Arnaud, he
>> and Khronos offer their support, they also would love to see Blender
>> to soon get the official Khronos Conformancy Badge! Nathan Letwory is
>> in contact with Remi to check on what can be done together.
>>
>> - Campbell mentions that all core IO scripts from 2.4 now are ported
>> to 2.5. They work similar or better (x3d) even now. Campbell offers  
>> to
>> make a test suite for Import/Export with default reference .blend  
>> files.
>>
>> - Nathan will post a diagram with the current state (support level,
>> features) of our Import/Export scripts.
>>
>> 2) Other projects, branches
>>
>> - Lukas Toenne updated his blog about his particle node work: http://phonybone.planetblender.org/
>>
>> - That post, and Jeroen's proposal for OpenCL could be copied to our
>> code blog too! Ton will set this going.
>>
>> - This week we'll also check which of the tablet work from Mike Erwin
>> can go to trunk.
>>
>> - Ton notices Tamito Kajuyama nicely keeps his Non-Photo-Realistic
>> render branch (FreeStyle) upto date with the 2.5 trunk. Testers and
>> reviewers welcome!
>> http://projects.blender.org/scm/viewvc.php/branches/soc-2008-mxcurioni/?root=bf-blender
>>
>> Thanks,
>>
>> -Ton-
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