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Re: [xsl] Need Math Help: How to Convert Proportional Column Widths to Real Values?


Subject: Re: [xsl] Need Math Help: How to Convert Proportional Column Widths to Real Values?
From: Liam R E Quin <liam@xxxxxx>
Date: Fri, 07 Mar 2014 19:10:07 -0500

On Fri, 2014-03-07 at 17:51 -0600, Eliot Kimber wrote:

> For example, say that I have two proportional columns of width "1*" and
> "1.39*" and the available width is 240pt.
> 
> How do I determine fraction of 240 each of these proportions get?

1. add up the proportional values; call that Peter.
2. subtract any fixed-width columns from the available width to get
   whatever remaineth; call that Wendy.
3. each column has width in proportion, so that a column with width 1.38
   has actual width of Wendy W 1.38 divided by Peter.
(you could call them ProportionalTotal and WidthAvailable rather than
Peter and Wendy if you wanted I suppose.)

-- 
Liam Quin - XML Activity Lead, W3C, http://www.w3.org/People/Quin/
Pictures from old books: http://fromoldbooks.org/
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