[Bf-compositor] Reformat node ?

[Greg Zaal]

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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