It was a short while (25 Apr 99 16:02:28 +0000) since Ian Greenway mentioned some
stuff...
> I just happened to notice this...
>
> I've only got AGA so I've been running V on a 256-colour screen. In
> an effort to speed up scrolling, I reduced that to 64 colours.
>
> The settings for images in Voyager prefs allow selection of dithering,
> colour quantization and DCT accuracy. Some of which are specific to
> jpgs. It seems that if "Quantiztion=2-pass " is selected, the other
> functions are meaningless. So an undithered 64-colour image is
> produced. Selecting Quantization=simple, will permit some sort of
> dithering, but at an even worse output quality than before.
>
> So strangely, 256-colour dithered with simple-Q looks awful, whereas
> 2-pass Q no dither looks ok. Why can't I get 2-pass *and* dithered,
> which would look almost perfect in 256-colour?
>
> Am I missing something? Will there be any mods in VNG 3 in the image
> handling?
>
> Before anybody says it - I know. Get a gfx card. In fact I've got a
> question about that. The BVision is a good option for me because I
> like to tempt fate and I could try and cram it into a desktop A1200.
> But some people said you could actually overload the motherboard pcb
> tracking like this. Is that really true?
I don't quite understand what you mean by 'overloading the tracking'
but it does draw more power than the A1200motherboard can supply.
Inside a tower this is fixed by adding a second power input to the
motherboard! And also when you have it stuck in a desktop the
Permedia2 gets VERY VERY hot and would probably lead to lots of
crashes and it's not worth the hassle (unless you get a tower).
Dinky do,
Mike.
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