 | | | Re: How Do I determin file size for rendering? | Re: How Do I determin file size for rendering? 2003-12-30 - By Robbert de Groot
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In Carrara the Height and Width you set in the render
room indicate the number of "1/72nd inch" units the
final image should take up. Personally I think in
either pixels or inches (or cms) and not factors of
1/72nd inches. Maybe print men can rip off numbers in
that coordinate space but I can't.
So I often just leave the DPI at 72 which will mean
that width and height you specify will be 1-1 with
pixel width and height of the final image. This makes
is simple for my poor noggin. If I'm targetting print
I calculate how many pixels in each direction are
needed before hand as mentioned below.
>>>>
Height and width are both in pixels.
To convert to inches, that uses the printing
designation dpi or dots
per inch. In the case of a bitmap graphics file (which
is what is
created when you render), it is pixels per inch.
A computer monitor is 72 dpi.
A fast printout is 25 dpi.
A draft printout is 50 dpi.
A good printout is 75 dpi.
A quality printout is 150 dpi.
A high quality printout is 300 dpi.
A superior quality printout is 600 dpi.
For example, if you wanted to print out a rendering at
a quality
printout using the size of a standard photo (4"x6"),
then you would
render it at 600 x 900 [(4 x 150) by (6 x 150)]. That
same picture at
300 dpi would be 1200 x 1800 [(4 x 300) by (6 x 300)]
Most of the time, the human eye cannot determain
between a high quality
and superior quality printout. You can always go
higher in dpi, but
very rarely is it required. I tend to use a quality
printout of 150 dpi
and I occassionally use a high quality printout of 300
dpi if there is
enough detail that is warrented.
Hopefully this helps.
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