[Bf-vfx] Lens workflow diagram in Blender

[François T.]

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>
>
>
>
>
> --
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-- 
____________________
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