"Tim Nikias v2.0" <tim.nikias (@) nolights.de> wrote in
news:40367da0@news.povray.org: 

>> And as I recall, Windows only accepts BMP files for this, right?
>> Stupid...Mac OS allows anything QuickTime can open: JPEG, PNG, GIF,
>> TIFF, etc.
> 
> Yup. I know, it sucks. Linux accepts all kinds of images as well,
> which is kinda fun, especially with neato effects. :-) But most of my
> software requires Windows, and I'm not yet that much into Linux as if
> I could switch. 
> 
>> But the smaller file size isn't a benefit?
> 
> It would be, if it'd be needed. I've got several GBs to spare, so
> rendering at BMP isn't a threat. Additionally, I do almost no
> post-processing on my images, so I can just keep the source-code. Most
> of my images render in under a few hours, so that's sufficient. Those
> that don't... Well, just a little more patience required. That aside,
> I regularly update my hardware, so after a year or so, images render
> even faster than initially. In a sense, I don't have to keep as many
> images as I do, and for lazy reasons I keep them in BMP to use them as
> wallpapers. 
> 
> There are good arguments to use a different format, I don't deny that.
> It's just much easier this way in my current PC situation. Why go
> through the hassle of converting images everytime I want a new
> wallpaper? It's that simple. :-)
> 
> That all aside: is the PNG compression Povray uses the optimum? I've
> found that I could use Paint Shop Pro to convert the images to even
> smaller PNG images and didn't notice any loss. Maybe I should
> experiment again and see why PSP was able to reduce the size, but
> perhaps there's an issue with output from POV-Ray to disk that can't
> be overcome that easily? 
> 

IIRC, POV does line by line compression, and PSP compresses all lines at 
once.  


-- 
Tom
_________________________________
The Internet Movie Project
http://www.imp.org/

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