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Date: Mon, 2 Oct 2023 10:18:52 +0200
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Subject: Re: [geda-user] PCB silk layer image script
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References: <6877754c-dcb7-db34-dd39-419de060ad7a AT linetec DOT nl>
 <20231001223524 DOT 428ED8622949 AT turkos DOT aspodata DOT se>
From: "Richard Rasker (rasker AT linetec DOT nl) [via geda-user AT delorie DOT com]" <geda-user AT delorie DOT com>
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Hello Karl,

Op 02-10-2023 om 00:35 schreef karl AT aspodata DOT se [via geda-user AT delorie DOT com]:
> Richard Rasker:
> ...
>> - When specifying width in millimeters,  things work up to 73
>> millimeters but throw a sort of overflow error above that value:
>>
>>      $ pcbsilk -W 74mm testlogo.jpg
>>      double free or corruption (!prev)
>>      /home/richard/scripts/pcbsilk: line 36: 15520 Aborted
>>      (memory dumped) pstoedit -q -f "pcbfill" -ssp $silkname.eps
>>      $silkname.pcb
> ...
>
> Just tested with your latest pcbsilk and i don't get any errors
> except that the output width is slightly in error.
[snip]
>   What version of pstoedity do you have, perhaps try with a later
>   version. I have:
> $ pstoedit  2>&1 | head -1
> pstoedit: version 3.75 / DLL interface 108 (built: Dec 18 2020 - release build - g++ 7.4.0 - 64-bit) : Copyright (C) 1993 - 2020 Wolfgang Glunz

Strange, I can't reproduce the error any more, regardless whether I use 
the "pcb" or "pcbfill" option. I also have the same pstoedit version 
3.75 / DLL interface 108.

I do recall however running into some safety issues when experimenting 
with different ways to create EPS files, tinkering with ImageMagick 6 
policy settings just prior to triggering those errors, but I never kept 
any of those changes. Ah well ...

[second mail]

>   To be uptodate, the pcb line should be something like:
> Layer(5, "top silk", "silk)
In my pcb files, Layer 5 is bottom silk, and Layer 6 is top silk. But 
this is easily adjusted.

> $ head -10 < TestLogo.pcb
> PCB["" 850000 1100000]
>
> Grid[1000.000000 0 0 0]
>
> Layer(1 "poly")
> (
>          Polygon("clearpoly")
>          (
>                  [2304472 -3448985]
>                  [2303472 -3445930]

That's weird, I only get positive Y values here. Anyway, I might give it 
a shot using grep, cut, sed and sort to manipulate the X and Y values -- 
even though I think it's going to be pretty inefficient.

Thanks again,

Regards,

Richard