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

[Tamito KAJIYAMA]

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-