Circles being printed as faceted geometric shapes

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fairfield
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Circles being printed as faceted geometric shapes

Postby fairfield » Mon Dec 10, 2012 6:31 am

When I draw a circle in inkscape and attempt to print, it turns into a faceted shape rather than a circle.

Example Drawing from inkscape:
circle_inkscape.png
circle_inkscape.png (16.48 KiB) Viewed 3228 times


After print to xps:
circle.png
circle.png (16.91 KiB) Viewed 3228 times


Any idea?

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brynn
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Re: Circles being printed as faceted geometric shapes

Postby brynn » Mon Dec 10, 2012 8:14 am

Image
Welcome to InkscapeForum!

I seem to have some recollection about a bug which causes this. Let me do some searching and I'll post again :D

Edit
Hhmmmm, no, I must have been thinking of something else. I can't find any bugs. And I don't have a printer set up on this computer, so I can't test for you. But I assume you're on some Windows os? Which one, and which Inkscape version.

So you're just printing directly from Inkscape, and not doing anything in between? If you are doing anything in beweens, what?

fairfield
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Re: Circles being printed as faceted geometric shapes

Postby fairfield » Mon Dec 10, 2012 8:33 am

It would be much appreciated! Thank you!

fairfield
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Re: Circles being printed as faceted geometric shapes

Postby fairfield » Mon Dec 10, 2012 10:37 am

I am printing to a laser driver. I have no other factors in between. Windows 7. Inkscape 0.48.2 r9819

fairfield
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Re: Circles being printed as faceted geometric shapes

Postby fairfield » Mon Dec 10, 2012 10:39 am

This does not happen from corel, so It is somthing I figured had to do with the way I was printing it.

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flamingolady
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Re: Circles being printed as faceted geometric shapes

Postby flamingolady » Mon Dec 10, 2012 2:30 pm

I've kinda experienced this, just not sure if it's the same issue. Is this after you've converted it to a path by any chance? Because what I've noticed is that once I convert it, there are only 4 regular nodes to make the circle, so it's not completely rounded maybe? not sure if this is it or not, but maybe try to select all nodes then add nodes a couple of times, then while still highlighted, make them all auto smooth nodes and see if that does the trick. I'm also on win 7. I haven't printed it out though.

v1nce
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Re: Circles being printed as faceted geometric shapes

Postby v1nce » Mon Dec 10, 2012 7:25 pm

Where does your second screenshot come from ?
Is this a pdf you create by "printing" the xps into a pdf ?

it could be a bug in xps export
http://connect.microsoft.com/VisualStud ... s-fidelity

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brynn
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Re: Circles being printed as faceted geometric shapes

Postby brynn » Tue Dec 11, 2012 4:52 am

Ah-ha! Maybe not Inkscape bug, but MS bug? What if you try printing outright, instead of to XPS?

fairfield
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Re: Circles being printed as faceted geometric shapes

Postby fairfield » Tue Dec 11, 2012 5:05 am

Opening it in an xpf viewer for the screen shot, however when I laser cut the circle out of acrylic, it is faceted just as the screenshot shows.

I can print directly from inkscape to the laser also. Same issue.

And no, In the example I have attached to the original post, I simply drew an elipse and made it 3.5" x 3.5" then hit print.

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druban
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Re: Circles being printed as faceted geometric shapes

Postby druban » Tue Dec 11, 2012 6:03 am

Try saving the file as PDF.
Open the PDF with an uptodate Acrobat reader.
Zoom in. Is it faceted?
if no, then print from Acrobat and examine the print.
If yes, then there is a problem with your original file, and you might post it here for further analysis.
Acrobat is good testing ground because everyone has it and its handling of vector objects is very good.
Your mind is what you think it is.

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brynn
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Re: Circles being printed as faceted geometric shapes

Postby brynn » Tue Dec 11, 2012 7:18 am

Oh, a laser cutter! I meant print to paper, using a regular printer. I didn't know you were using a cutter. This would indicate to me a problem with the cutter, or cutter's relationship to Inkscape.

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Grobe
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Re: Circles being printed as faceted geometric shapes

Postby Grobe » Tue Dec 11, 2012 10:13 am

Hi guys.

Having no physical printer shouldn't be a problem. Just get a PDF printer (personally I prefer Bullzip pdf printer), and upload the resulting pdf in here.
:lol:

fairfield
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Re: Circles being printed as faceted geometric shapes

Postby fairfield » Mon Dec 17, 2012 6:48 am

Is there a way to ust type up the proper code in notepad for a circle at 100 millimeters in svg format? That way I could see if it was print driver, renderer, or whatnot?

Thanks,
Fairfield

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ragstian
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Re: Circles being printed as faceted geometric shapes

Postby ragstian » Mon Dec 17, 2012 7:07 am

Hi Farfield

Sample SVG created with a python program.

Just Cut the following (blue) text and paste into notepad, save as circle.svg.

(Windows Notepad might add .TXT to the file name when saving - rename the file to circle.svg before use if that's the case.)

<?xml version="1.0" standalone="no"?>
<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN"
"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
<svg height="360" version="1.1" width="480" xmlns="http://www.w3.org/2000/svg"><circle cx="240" cy="180" fill="rgb(255, 255, 255)" r="100" stroke="rgb(0, 0, 0)" /></svg>'

Good Luck - Please report back with conclusion as others might be interested!

RGDS
Ragnar
Good Luck!
( ͡° ͜ʖ ͡°)
RGDS
Ragnar

fairfield
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Re: Circles being printed as faceted geometric shapes

Postby fairfield » Mon Dec 17, 2012 7:49 am

Thank you. I am heading to the shop shortly, I will document the results.

Thanks again,
Fairfield


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