[NTG-context] Metafun scaling problem

Lutz Haseloff lutz.haseloff at toppkieker.info
Tue Oct 2 13:05:42 CEST 2018


xsized was the solution.
I wonder why xscaled worked for me for years.

Thanks for the fast help.

Lutz

Am 2. Oktober 2018 11:10:04 MESZ schrieb Hans Hagen <j.hagen at xs4all.nl>:
>On 10/2/2018 7:03 AM, Lutz Haseloff wrote:
>> Hi Hans, hi all,
>> 
>> I think, that recent context has a problem with scaling included pdf
>files.
>> My minimal file:
>> 
>> \startMPpage
>> draw externalfigure "cow.pdf" ;
>> \stopMPpage
>> 
>> The resulting pdf is, as the original, 97x70.6 mm, all ok.
>> 
>> If I try to scale to the original size, i get arithmetic overflow
>error.
>> 
>> \startMPpage
>> draw externalfigure "cow.pdf" xscaled 97mm yscaled 70.6mm ;
>> \stopMPpage
>don't use xscaled, use xsized
>
>if you have
>
>path p ; p := fullcircls scaled 1cm ;
>
>and then do
>
>draw p xscaled 97pt ;
>
>you multiply with a number and only get 97pt width when your p has 1 bp
>
>width
>
>externalfigure has the original dimensions (so no width 1 bp here)
>
>Hans
>
>-----------------------------------------------------------------
>                                           Hans Hagen | PRAGMA ADE
>               Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
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