Re: [Gimp-user] Opens only in 72 dpi

2010-11-25 Thread Rob Antonishen
> The DPI is just an indication... the only place where it really matters
> is in the "New image" dialog where instad of entering a dimension in
> pixels you can enter a size in inches/centimers and a DPI. Otherwise the
> only thing that really counts is the size in pixels.
>

It does make a very big difference if one is using scaled viewing
rather than dot for dot. (View->Dot for Dot checked or unchecked)

When dot for dot is checked, the image DPI doesn;t matter as one image
dot will be shown as one screen dot.

When dot for dot in unchecked, however, the image DPI and screen PPI
will be used to calculate the display size, so a 300px by 300px image
that is 300dpi will be shown as 1" by 1" (or 72px by 72 px for a
screen resolution of 72PPI) at 100% when the dot-for-dot is unchecked,
and 4.16 by 4.16 inches (300px by 300px) on the same 72PPI screen.

-Rob  A>
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Re: [Gimp-user] Opens only in 72 dpi

2010-11-25 Thread Ofnuts
On 11/25/2010 01:32 PM, anja80 wrote:
> Ok, I have a picture that is 300 dpi. When I open that one it states that it 
> is only 72 dpi. I can change it to 300 dpi again, but haven't I lost any data 
> from the image file then?
>

The DPI is just an indication... the only place where it really matters 
is in the "New image" dialog where instad of entering a dimension in 
pixels you can enter a size in inches/centimers and a DPI. Otherwise the 
only thing that really counts is the size in pixels.

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[Gimp-user] Opens only in 72 dpi

2010-11-25 Thread anja80
Ok, I have a picture that is 300 dpi. When I open that one it states that it is 
only 72 dpi. I can change it to 300 dpi again, but haven't I lost any data from 
the image file then?


-- 
anja80 (via gimpusers.com)
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