Resolution issue

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aigroti
Posts: 1
Joined: Mon Nov 16, 2015 9:12 am

Resolution issue

Postby aigroti » Mon Nov 16, 2015 9:37 am

Hi, I have a file I made on inkscape that I'm trying to print but whenever I convert it i'm losing a lot of resolution.

I've scoured the forums and web and I thought it would be a common problem but everyone seems to have no issues converting to png. Basically whenever I convert an image I lose nearly all the resolution. I can convert it to pdf and it maintains resolution but then loses all the patterns or they're scaled weirdly. I saw a solution to fixing it was rasterising filters but it made no difference.

I'm a total nooby with this stuff and I just want to print off my document at the resolution I made it at :(

thanks for any help.

+EDIT+ the attached file looks exactly how I want when I see it on this website but when I open it it's all wrong again. I'm really confused.
Attachments
graphic logging png.png
graphic logging png.png (232.54 KiB) Viewed 1036 times
graphic logging.pdf
(108.76 KiB) Downloaded 216 times

tylerdurden
Posts: 2344
Joined: Sun Apr 14, 2013 12:04 pm
Location: Michigan, USA

Re: Resolution issue

Postby tylerdurden » Mon Nov 16, 2015 9:56 am

Might be helpful to share the original SVG (Inkscape) file, too.
Have a nice day.

I'm using Inkscape 0.92.2 (5c3e80d, 2017-08-06), 64 bit win8.1

The Inkscape manual has lots of helpful info! http://tavmjong.free.fr/INKSCAPE/MANUAL/html/

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brynn
Posts: 10309
Joined: Wed Sep 26, 2007 4:34 pm
Location: western USA
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Re: Resolution issue

Postby brynn » Mon Nov 16, 2015 12:44 pm

I'm generally confused with the term "resolution". Sometimes it seems to refer to the visual quality of an image (number of pixels). But other times it seems to refer to the size or dimensions of an image. You seem to be using it as the quality of your image. Because if you meant losing resolution to refer to size, it would mean your image was tiny. So you must mean you lost some quality? Is that correct, or do you mean it's too small?

How are you converting to PNG? Save As > cairo PNG or Export PNG Image. Generally Export PNG Image is the best way. But if you know what you're doing, maybe you really want cairo PNG? If you used Save As cairo PNG, that could be why it looks different. Or if you used Export PNG, but changed the DPI to something besided 90, that could be the problem.

Yikes - that new Adobe Reader DC sure has a different look! As us usual, upgrades fixing things that aren't broken :twisted: Anyway, I don't seem to have any problem saving a pattern as PDF. But it could be something else that's causing the problem.

If you're not sure the answer to my questions, you could upload the SVG file, and we could look at it ourselves.

Moini
Posts: 3381
Joined: Mon Oct 05, 2015 10:44 am

Re: Resolution issue

Postby Moini » Tue Nov 17, 2015 12:02 am

@brynn + aigroti: There are known bugs about saving patterns to pdf, unfortunately.

@brynn: Resolution is the term used to describe how many pixels you want to have per real-world length unit, so pixel per inch, or (ink) dots per inch for printing.
It depends both upon the size you want to print the image, and the number of pixels it consists of. More resolution usually corresponds to a higher image quality (unless you're only enlarging raster images).
Something doesn't work? - Keeping an eye on the status bar can save you a lot of time!

Inkscape FAQ - Learning Resources - Website with tutorials (German and English)


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