<font size="2"><font face="trebuchet ms,sans-serif">oh thats great, sorry I didn't know about that.<br>Well it is quite similar, perhaps mine is a bit more User oriented though. <br>Anyway I do understand some people will like to have there render distorted at render time and not in post. While thats not something I would not recommend in production (for several reason I could list if people needs to), I guess this pipe could be consider as well especially via cycles and some kind of "lens shader". I'll update the diagram for this <br>
<br>cheers, <br><br>F.<br></font></font><br><div class="gmail_quote">2011/9/30 Ton Roosendaal <span dir="ltr"><<a href="mailto:ton@blender.org">ton@blender.org</a>></span><br><blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
Hi Francois,<br>
<br>
Before Tomato started I drafted this diagram to help design desicions:<br>
<a href="http://www.blender.org/bf/trackflow.png" target="_blank">http://www.blender.org/bf/trackflow.png</a><br>
<br>
It's quite similar to your diagram, but this is only the blender side.<br>
There's no crop or overscan features mentioned, but such issues fit in<br>
easily.<br>
<br>
-Ton-<br>
<br>
------------------------------------------------------------------------<br>
<font color="#888888">Ton Roosendaal Blender Foundation <a href="mailto:ton@blender.org">ton@blender.org</a> <a href="http://www.blender.org" target="_blank">www.blender.org</a><br>
Blender Institute Entrepotdok 57A 1018AD Amsterdam The Netherlands<br>
</font><div><div></div><div class="h5"><br>
On 29 Sep, 2011, at 11:17, François T. wrote:<br>
<br>
> Well the Red pipe is IMO the best in Blender case becaue of its all<br>
> in one package thing.<br>
> Yet if you want to use 3rd party program for instance for doing<br>
> simulation or rendering in other application or exporting one image<br>
> of backplate to do a Matte painting in Gimp or so, then the gold<br>
> pipe is needed.<br>
><br>
> Blender is going to be the first open source and free matchmove<br>
> application out there, so I expect that it could get very common to<br>
> integrate it into existing pipeline as a 3rd party for matchmove.<br>
><br>
> There is also a workflow which could let the user import/export lens<br>
> model to 3rd party:<br>
> Input uvImage > undistortion (using input plate value) > save EXR<br>
> Render > Uvpass node (using distord uvImage)<br>
><br>
> this pipe can even be used in Blender to speed up the distortion<br>
> process. might have a loss of quality though (I'll do another graph<br>
> to make it more clear)<br>
><br>
> cheers,<br>
><br>
> F.<br>
><br>
><br>
><br>
> 2011/9/28 Sebastian König <<a href="mailto:koenig.sebastian@gmx.net">koenig.sebastian@gmx.net</a>><br>
> Well the undistorted proxy is already available and working okay so<br>
> far, just that overscan workflow is missing.<br>
> And Francois, very nice graph!<br>
> Though i don't understand what the branch on the very left is for.<br>
> We already have undistorted proxy creation for the background image.<br>
> It just misses the overscan option. But then again, it is just<br>
> logical that the nodes offer that option... Anyway, it looks good<br>
> and makes sense.<br>
><br>
> Thanks!<br>
><br>
> Seb<br>
><br>
><br>
> Am 28.09.2011 um 21:47 schrieb Coen Spoor:<br>
><br>
>> Think its pretty well thought out, the biggest issue right now<br>
>> would be getting the undistorted footage/proxy as a camera<br>
>> background for prop placement, which as you noted, isnt in yet. But<br>
>> hey, if Sergey's on it... :)<br>
>><br>
>> Op 28 sep 2011, om 21:41 heeft François T. het volgende geschreven:<br>
>><br>
>>> Here is a design of the lens workflow (un/distortion plate) using<br>
>>> tomato, which IMO is suited for a VFX pipeline.<br>
>>> Most of it is possible already, yet a few things are missing<br>
>>> (overscan, bkg fit to sensor,.. but Sergey is already on it :p)<br>
>>><br>
>>> Comments, suggestions ?<br>
>>><br>
>>> <BlenderLensWorkflow.png><br>
>>><br>
>>><br>
>>><br>
>>><br>
>>> --<br>
>>> ____________________<br>
>>> François Tarlier<br>
>>> <a href="http://www.francois-tarlier.com" target="_blank">www.francois-tarlier.com</a><br>
>>> <a href="http://www.linkedin.com/in/francoistarlier" target="_blank">www.linkedin.com/in/francoistarlier</a><br>
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</div></div></blockquote></div><br><br clear="all"><br>-- <br>____________________<br>François Tarlier<br><a href="http://www.francois-tarlier.com">www.francois-tarlier.com</a><br><a href="http://www.linkedin.com/in/francoistarlier">www.linkedin.com/in/francoistarlier</a><br>