On Thu 15 Jan 2004 23:18, Stephen Mollett wrote:
> Hi,
>
> On Thursday 15 January 2004 22:17, John Gay wrote:
> > ...the proper size for PAL video is 720 X 576 and NTSC is 720 X 480
> > I've been creating some animations based on the 720 X 576 size, but the
> > images seem extremely grainy to me.
>
> You might want to create the images at a larger size then do a bilinear
> scale down to 720x576, if by "grainy", you mean that the edges are jagged.
> Or if your rendering software, whatever it happens to be, has an
> antialiased rendering mode, try that.
>
I'm using POV-Ray to create the images. I have tried the AA settings, but 1)
they are very slow and 2) I need to disable jitter to avoid flashing in the
animations. Of course, for final outputs, speed is not an issue as I want
superior quality above all else. This is why I asked if I could improve
things.
> > ... this seems to be for standard TV aspect, not Wide screen.
>
> The sizes are the same for both. For widescreen, the pixels are a different
> aspect (shorter and wider) thus making the resultant image a different
> shape.
>
I see, said the blind man. So I can jsut use the one size, and the DVD player
will adjust accordingly.
> HTH
Good to know, thanks!
Cheers,
John Gay
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