200 dpi seems to be the current benchmark preferred by many industry people
I have spoken with. Beyond that you are probably wasting time and, I assume,
ink.
D.

"Francois Labreque" <fla### [at] videotronca> wrote in message
news:3BD### [at] videotronca...
>
>
> Philippe.JACQUEROUX wrote:
>
> > If i want to print a poster of a povray image (or other).I need a 300
dpi
> > pictures to have a good print.
> > But screen only show 72/96 dpi, and i don't know how i could create a
300
> > dpi pictures.
> > Can someone give me advice about that?
> >
>
>
> POV doesn't care about dpi (actually, it only does if you intend to
> print your image using a printer that has a different horizontal and
> vertical resolution).
>
> If you want to print your image at 8"x10" with a 300 dpi resolution,
> render it at 2400x3000 pixels.  If required, change the dpi info saved
> in the file with an image editor.
>
> Some people have recommended in the past rendering the image at half the
> resolution of the printer - in this case 150 dpi - as most printers will
> dither the image somewhat and you will not gain much in image crispness,
> only image size, by going at full resolution.
>
> You should also do a smaller test print beforehand as colors vary
> greatly from your screen to a piece of paper.
>
> --
> /*Francois Labreque*/#local a=x+y;#local b=x+a;#local c=a+b;#macro P(F//
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> /*        @        */{P(0,a)P(a,b)P(b,c)P(2*a,2*b)P(2*b,b+c)P(b+c,<2,3>)
> /*   videotron.ca  */}camera{location<6,1.25,-6>look_at a orthographic}
>

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