[Bf-compositor] Reformat node ?

[Hadrien Brissaud]

Thanks for the tip Greg !


On 23 July 2014 15:59, Greg Zaal <gregzzmail at gmail.com> wrote:

> Hi Hadrien,
>
> Yes, some canvas stuff would be nice and I believe it'll be worked on at
> some point (if not already). But the way to do this currently is just to
> use a Scale node set to "Render Size" (an of course changing the scene's
> render size to 720p)
>
> You are finding the long way around though ;) there are much better tools
> for this. Just get ImageMagick installed and do `mogrify -resize 1280x720
> *.png` from the folder of images. For resizing videos, there is always
> ffmpeg.
>
> Cheers,
> Greg
>
>
> On 23 July 2014 08:41, Hadrien Brissaud <hadriscus at gmail.com> wrote:
>
>> Hello, chiming in again for another suggestion.
>>
>> Yesterday I was trying to resize a bunch of images (1080p to 720p, yeah I
>> know it's cruel). Of course this could be done via other ways (batch in
>> Gimp, etc.) but Blender makes it easy to just lay down a few nodes and
>> batch operate on an arbitrary number of image sequences, so my choice was
>> made.
>>
>> My problem was, the scale node transforms pixels, not image boundaries.
>> So I was left with a bunch of 1080p images in which the RGB pixels had been
>> scaled down to 720p, with a black border around them (alpha=0 actually).
>>
>> I found this solution :
>> http://blender.stackexchange.com/questions/2376/how-can-i-resize-move-the-canvas-of-an-image-in-the-compositor
>>
>> ...suggested by Ton himself - it works, but it's clunky, and I wanted to
>> highlight the way it's done in Nuke : via a reformat node, which explicitly
>> transforms the image *and* its bounds. Such a node in the Blender
>> compositor could be very handy.
>>
>> Regards,
>>
>> Hadrien
>>
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>
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