[filmscanners] Re: dpi - formerly PS sharpening

["Anthony Atkielski" <anthony@atkielski.com>]

Ed writes:

> By leaving the dpi at 2700 or 4000, is the
> file size larger than it would be at
> 72dpi?

No.  DPI is just a number recorded in the file; it has no influence at all
on the file size.

> Also, by leaving the dpi at 2700 or 4000
> are you creating a higher quality graphic
> file?

No.  See above.

The DPI setting of the file is just an information field, like your name or
the name of the application or whatever else gets thrown into the file
besides the image data itself (depending on the program you are using and
the settings you've selected).  This being so, you can set it to anything
you want.  Most programs that read the file ignore the DPI setting.  A few
programs look at the DPI setting when you select options like "display at
actual print size" or when you try to print a file.

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