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Posted by richard on 01/04/08 07:02
On Fri, 04 Jan 2008 07:34:46 +0100, Michael Fesser <netizen@gmx.de>
wrote:
>.oO(richard)
>
>>On Fri, 04 Jan 2008 06:35:53 +1100, dorayme
>>
>>>Don't use inches and pts in your css instructions for screen
>>>representation.
>>
>>Another thing, the way I see it, a screen is nothing more than a fancy
>>sheet of paper. Inches and points are defined by a standard that was
>>around well before electronics came into the world.
>
>Correct. But screens don't work with points or inches, they work with
>pixels. Now the problem is, that in order to correctly calculate the
>corresponding length in pixels for a given pt or in value, the operating
>system has to be configured to a correct dpi/ppi value. But most systems
>simply run with the default values of 72 or 96 dpi, which means that the
>results are completely unpredictable and never the same on different
>platforms with different monitor sizes. A pixel will (almost) always be
>a pixel, but an inch or point may result in quite different pixel sizes.
>
>Micha
Which is why I decided to use inches and pts.
Comparing positioning in both IE and FF, it is the only way in which
both show the same locations for the same information.
Practically everything else is a variable. That is, it has no distinct
properties other than what the screen tells it.
An inch is a fixed standard. It can only be represented one way.
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