[Bf-vfx] Tomato camera sensor changes

Ejner Fergo ejnersan at gmail.com
Wed Aug 17 19:51:07 CEST 2011


Hi François!

Heh, that is good to know :)
Hope to see it back soon again!

Best regards,
Ejner

On Wed, Aug 17, 2011 at 6:24 PM, François T. <francoistarlier at gmail.com> wrote:
> its in is personal todo list already ;)
> I already punish him for that :D
>
> cheers,
>
> F.
>
>
>
>
> 2011/8/17 Ejner Fergo <ejnersan at gmail.com>
>>
>> Hi Sergey!
>>
>> I was happy to see that you included the sensor patch into Tomato, but
>> having tried a newer build I see that you made some changes (removed
>> sensor height and vertical FOV).
>>
>> I understand by one of your weekly GSOC mails that you wanted to
>> simplify the camera data workflow, but I feel disapointed that you
>> removed the option to acces the vertical FOV ('data.angle_y') through
>> the camera properties. As I have tried to explain many times on the
>> patch-tracker, the vertical FOV is important for exporting the camera,
>> and for importing cameras from other apps. During my tests and writing
>> the Channel (.chan) importer/exporter, and atleast with FBX (most
>> likely Collada too), 'data.angle_y' is essential to get the correct
>> focal length with both export and import. Now this is removed.
>>
>> Blender is in many ways a complete pipeline tool, but realistically it
>> is/will be included in existing pipelines among other tools, and here
>> sharing camera data is very important, like Blender <-> Nuke (which is
>> why I wrote the chan script, and hacked on Matt's sensor patch).
>> Removing these settings (sensor height and thereby the vertical FOV)
>> seems too much of a sacrifies, to simplify the workflow during
>> tracking.
>>
>> It's fair enough you want to simplify the sensor settings during
>> tracking, but then why not just include the 'data.sensor_width' in the
>> camera data settings as you do now, and have both sensor dimensions
>> (plus angle_x/angle_y) in the camera properties? What is the deal with
>> removing the sensor_height anyway? If people find these values
>> confusing, isn't that why we have all these camera presets now? Also
>> why is there 2 preset folders for camera data?
>>
>> I hope you will reconsider the removal of sensor height and vertical
>> FOV, as this is not just about making camera info seem simple, but how
>> Blender will fit in mixed software pipelines, and generally be more
>> complete.
>>
>> Sincerly,
>>
>> Ejner Fergo
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>
>
>
> --
> ____________________
> François Tarlier
> www.francois-tarlier.com
> www.linkedin.com/in/francoistarlier
>
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