[Scribus] ISO page sizes
Fri Feb 4 13:49:24 CET 2005
On Friday 04 February 2005 13:30, David Christian Berg wrote:
> On Fri, 2005-02-04 at 12:55 +0100, Craig Bradney wrote:
> > On Friday 04 February 2005 12:26, Pierre Abbat wrote:
> > > I'm looking at the page size selector in Scribus, and the dimensions
> > > for ISO paper sizes (A0, B0, etc. - why no C?) are slightly off. All
> > > these sizes are defined as powers of the eighth root of 2 times a meter
> > > and then rounded to millimeters. So B0, going by the irrational value,
> > > is 1000.000*1414.214, which is rounded to 1000*1414 - but Scribus says
> > > it's 1000.478*1413.933. Similarly A0 is 840.896*1189.207, rounded to
> > > 841*1189, but Scribus says it's 839.611*1188.155. All the other A and B
> > > sizes are computed by dividing sides alternately by 2. The Scribus
> > > dimensions are rounded to points, but the sizes are defined in
> > > millimeters.
> > Scribus uses points internally for everything.
> Which is no excuse :) a point is some rational fraction of a millimeter,
> I believe. And actually I think it shouldn't, will that change to
> millimeters in 1.3?
No, the page sizes should be correct to the spec, for sure. However, a mm and
a pt dont relate well.
1 postscript pt = 1/72 in, = 0.352777777 mm
1 TeX pt = 1/72.27in, = 0.3514589035mm
and then theres the other, older versions.
What dont you think shouldnt be what way? I would hope that you dont mean all
our measurements be done in MM? (Even tho I'm a metric kinda guy myself, I do
realise pts are where its at in printing)
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