[Bf-vfx] Lens workflow diagram in Blender

[Ton Roosendaal]

Hi Francois,

Before Tomato started I drafted this diagram to help design desicions:
http://www.blender.org/bf/trackflow.png

It's quite similar to your diagram, but this is only the blender side.
There's no crop or overscan features mentioned, but such issues fit in  
easily.

-Ton-

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

On 29 Sep, 2011, at 11:17, François T. wrote:

> Well the Red pipe is IMO the best in Blender case becaue of its all  
> in one package thing.
> Yet if you want to use 3rd party program for instance for doing  
> simulation or rendering in other application or exporting one image  
> of backplate to do a Matte painting in Gimp or so, then the gold  
> pipe is needed.
>
> Blender is going to be the first open source and free matchmove  
> application out there, so I expect that it could get very common to  
> integrate it into existing pipeline as a 3rd party for matchmove.
>
> There is also a workflow which could let the user import/export lens  
> model to 3rd party:
> Input uvImage > undistortion (using input plate value) > save EXR
> Render > Uvpass node (using distord uvImage)
>
> this pipe can even be used in Blender to speed up the distortion  
> process. might have a loss of quality though (I'll do another graph  
> to make it more clear)
>
> cheers,
>
> F.
>
>
>
> 2011/9/28 Sebastian König <koenig.sebastian at gmx.net>
> Well the undistorted proxy is already available and working okay so  
> far, just that overscan workflow is missing.
> And Francois, very nice graph!
> Though i don't understand what the branch on the very left is for.  
> We already have undistorted proxy creation for the background image.  
> It just misses the overscan option. But then again, it is just  
> logical that the nodes offer that option... Anyway, it looks good  
> and makes sense.
>
> Thanks!
>
> Seb
>
>
> Am 28.09.2011 um 21:47 schrieb Coen Spoor:
>
>> Think its pretty well thought out, the biggest issue right now  
>> would be getting the undistorted footage/proxy as a camera  
>> background for prop placement, which as you noted, isnt in yet. But  
>> hey, if Sergey's on it... :)
>>
>> Op 28 sep 2011, om 21:41 heeft François T. het volgende geschreven:
>>
>>> Here is a design of the lens workflow (un/distortion plate) using  
>>> tomato, which IMO is suited for a VFX pipeline.
>>> Most of it is possible already, yet a few things are missing  
>>> (overscan, bkg fit to sensor,.. but Sergey is already on it :p)
>>>
>>> Comments, suggestions ?
>>>
>>> <BlenderLensWorkflow.png>
>>>
>>>
>>>
>>>
>>> -- 
>>> ____________________
>>> François Tarlier
>>> www.francois-tarlier.com
>>> www.linkedin.com/in/francoistarlier
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>>> Bf-vfx mailing list
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>>> http://lists.blender.org/mailman/listinfo/bf-vfx
>>
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>
> -- 
> ____________________
> François Tarlier
> www.francois-tarlier.com
> www.linkedin.com/in/francoistarlier
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