[scribus] export part of a page <- Crop pdf file with manually modifying /MediaBox

[Uwe Sassnowski]

Hello Jonas, 
thank you very much for your support. Lets see if I am able to cut the page as per your explanation.

Great help, thanks!

Uwe

> Gesendet: Sonntag, 02. Februar 2020 um 17:56 Uhr
> Von: "Jonas Bechtel" <post at jbechtel.de>
> An: scribus at lists.scribus.net
> Betreff: Re: [scribus] export part of a page <- Crop pdf file with manually modifying /MediaBox
>
> 
> 
> 
> On Sun, 2 Feb 2020 09:16:53 -0500
> Gregory Pittman <gpittman at iglou.com> wrote with subject
> "Re: [scribus] export part of a page":
> 
> > On 2/2/20 1:02 AM, Uwe Saßnowski wrote:
> > > Hello,
> > > 
> > > I like to export a part of a page only. From one page I like to
> > > export 3 single pages (left, middle, right). Is it possible? Thanks
> > > for your help!
> > > 
> > 
> > Hi Uwe,
> > 
> > I presume you're talking about 3-fold pages and Scribus 1.4.x, since
> > this feature no longer exists in the 1.5.x series. Although it may
> > sound like a 3-fold page is a single page divided into 3 parts, these
> > are actually 3 individual pages that happen to be displayed
> > side-by-side. If you printed them out on your own printer they would
> > print out as individual pages. When you export, just select the
> > appropriate page under Export Range in the export dialog, 1 for left,
> > 2 for middle, 3 for right.
> > 
> > Greg
> > 
> 
> 
> I received a PM from TO with a big pdf file.
> 
> For me it looks rather like one big page, and the Creator attribute
> in pdf file hints for Scribus 1.5.5
> 
> 
> So the best way depends on what you need when: If the final print shop
> needs split pages, I recommend to rearrange document in scribus.
> 
> If you just want to print it out once with you printer, I can suggest
> following. Don't worry, it looks complicated, but actually it just
> changes one number:
> 
> 
> 1. Copy your file to Brochure_M.pdf and Brochure_R.pdf
> (I will just make an example for Brochure_M.pdf)
> 
> 
> 2. Download Notepad++ or ProgrammersNotepad for your Windows.
> (You can make it with pre-installed Notepad but it will all be in one
> line and won't make fun.)
> 
> 
> 3. Open Brochure_M.pdf with *Notepad*
> WARNING: If you alter a pdf file, each information segment (= "obj")
> must keep it's length.
> 
> 
> 4. Got to the first place where /MediaBox appears. There's the original
> line:
> 
> /MediaBox [0 0 1723.78205 898.90016]
> 
> 
> 5. Replace the first value "0" with "283.5" AND cut the last number
> "898.90016" to the short number "898.9"
> 
> /MediaBox [283.5 0 1723.78205 898.9]
> 
> Explanation: in the first step you have made the line four bytes longer
> ("8", "3", ".", "5"), in the second step you have made it four bytes
> shorter again ("0", "0", "1", "6")
> 
> 
> 6. Repeat this for the second page (there's a second /MediaBox in
> your pdf, I mean this one)
> 
> 
> 7. Press "Save" button. My pdf program then shows a cut version of
> Brochure_M.pdf Maybe you also have to change the other Boxes, maybe
> "ArtBox"?
> 
> 
> 8. How did I get to "283.5"?
> 100 mm is 3.93701 Inch (says my search engine)
> 1 Inch is 72 pdf-units
> -> 100 mm = 3.93701 * 72 pdf-units = 283.46472 pdf-units
> 
> I know that 100 mm is not what you need but 100mm is easily
> re-calculated.
> 
> 
> 
> 
> Full result looks like that:
> 274 0 obj
> <<
> /Type /Page
> /Parent 3 0 R
> /MediaBox [283.5 0 1723.78205 898.9]
> /BleedBox [20.00126 20.00126 1703.78079 878.89890]
> /CropBox [0 0 1723.78205 898.90016]
> /TrimBox [28.50520 28.50520 1695.27685 870.39496]
> /ArtBox [28.50520 28.50520 1695.27685 870.39496]
> /Rotate 0
> /Contents 272 0 R
> /Group 273 0 R
> >>
> endobj
> 
> 
> 9. Now you have to do this with actual numbers, fitting for M and R
> segment, and the M file has to be cropped to ~40cm before exporting, as
> you already did for L side.
> 
> 
> 
> For very limited time I upload Brochure_M.pdf to
> http://jbechtel.de/site/dist/FLINDS/
> 
> md5sum (original and new:)
> 
> ba4ed9ee053cee8495e93aaed1508499  Brochure.pdf
> 53215b30f19608faa30657be0396ec66  Brochure_M.pdf
> 
> 
> 
> Best Regards
>  Jonas
> 
> 
> 
> 
> 
> 
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