Export to PDF

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Export to PDF

Postby djohnson.nz » Tue Aug 12, 2014 11:16 pm

Hi all,
I am finding the export to pdf function is producing much larger pdf files than some other CAD software. Often when producing A3 size plans with multiple sheets the file size is blowing out and the pdf is slow to view, particularly when using imagery. I notice that a pdf with layer control is the same size as one without, is that normal? Is it possible to investigate a more efficient pdf converter?.
Thanks, David.
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Re: Export to PDF

Postby JQL » Wed Aug 13, 2014 12:23 am

The problem is exactly that "imagery" you talk about. In Hybrid mode. for a big format file Layout produces images with the corresponding resolution for the underlay, and vector lines on Top.

If you change for vector mode only (on viewports) you'll get only lines and solid hatches (you can ignore fills to disregard them) wich will be much lighter.

On raster mode you'll get only the images wich will again be almost as heavy as the hybrid mode exports.

So, the images SU+Layout generate are what you have to deal with. If you can't live with those shadows and materials, you can lower image export quality to med or low, and you'll get less heavy files.

Go to file > document setup... > paper > Output quality and choose your desired setting, or when you are exporting, choose lower image quality settings.

Hope this helps a bit,

João
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Re: Export to PDF

Postby pbacot » Wed Aug 13, 2014 11:45 am

It's difficult getting manageable file sizes out of LO. Remove some of the hybrid rendering features like shadows, and you might as well go back to crisp pdf files from CAD.
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Re: Export to PDF

Postby djohnson.nz » Sun Sep 07, 2014 5:22 am

Thanks for your feed back on this issue.
I have done some experimentation with this and am pleased to say I have found a satisfactory work around.

Using Document settings to produce High quality output and with my sketchup insert in hybrid mode I used the export to pdf option which produced an A3 pdf document of 11088kb This is too big to be useful, particularly with multi sheet plans.

I managed to produce a much smaller A3 sheet only 1235kb using the same Layout settings but printing to a pdf print driver (in this case PDFILL) using print settings of 300dpi and jpeg compression for colour images. This file was still very acceptable for quality and will be my preferred method from now on.

If this is possible I still think there is room to improve the export to pdf option with more choices to improve high quality with less file size.

Cheers, David.
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Re: Export to PDF

Postby JQL » Mon Sep 08, 2014 11:13 am

That would be nice indeed. Better management of output raster elements.
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Re: Export to PDF

Postby marcdurant » Tue Nov 24, 2015 10:38 pm

BTW, in LayOut 2016 we introduced the option to choose JPG compression for images in PDF export from LayOut.

Thanks,
Marc
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