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

Sun Jan 23 13:17:56 CET 2011

Hi Ton,

> I've copied your mail to the code blog. :)

Looks good, thank you!

-- 
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 23, 2011 12:07 PM
Subject: Re: [Bf-committers] Developer irc meeting minutes, 16 Jan 2011

> Hi,
> 
> I've copied your mail to the code blog. :)
> Thanks,
> 
> -Ton-
> 
> ------------------------------------------------------------------------
> Ton Roosendaal  Blender Foundation   ton at blender.org    www.blender.org
> Blender Institute   Entrepotdok 57A  1018AD Amsterdam   The Netherlands
> 
> On 22 Jan, 2011, at 0:04, Tamito KAJIYAMA wrote:
> 
>> Hi Ton,
>>
>>> If youre OK, I copy the intro text + image to our code blog too, nice
>>> to spread this as a reference.
>>
>> That is great!  Please, feel free to use whatever portion of text and
>> image(s) you think are relevant.
>>
>> Thank you,
>>
>> --  
>> 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: Friday, January 21, 2011 6:00 PM
>> Subject: Re: [Bf-committers] Developer irc meeting minutes, 16 Jan  
>> 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-