[scribus-dev] cover.py script for perfect bound book cover design is ready.

Gregory Pittman gpittman at iglou.com
Wed Dec 24 12:58:43 UTC 2014


On 12/24/2014 06:25 AM, JLuc wrote:
> Le 23/12/2014 22:27, Louis Desjardins a écrit :
>> Europe uses GSM (grams per square meter) and thus printers seem to use
>> a different formulae to get the spine thickness.
> 
> Paper with same 'grammage' (GSM = g/m²) can have different thickness.
> 
> According to provided link http://www.graphitec.org/epaisseur.html,
> thickness formula for inner pages is :
> specialpaperfactor x grammage x nbpage / 2
> 
> With "standard papier", specialpaperfactor = 1
> 
> With "papier couché", specialpaperfactor goes 0.85 to 1.15
> With "papier offset", specialpaperfactor goes 1.05 to 1.25
> With "papier bouffant", specialpaperfactor goes from 1.15 to 1.70
> 

Another approach to consider might be to create the script as
envisioned, after which the user presents the results to his printer,
then adjust the cover's spine if needed.

Greg




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