Need help making drawings into single line art 4 whiteboard

Post questions on how to use or achieve an effect in Inkscape.
danblast
Posts: 10
Joined: Sat Nov 15, 2014 6:37 am

Need help making drawings into single line art 4 whiteboard

Postby danblast » Sat Nov 15, 2014 6:41 am

Hi I need to make traced bitmaps with various parts into a single line drawing. For example I bitmap trace some simple black and white clip art and it results in a black silhouette with many white parts laid over.

I would like to make this into a single continuous line instead.

Reason being I am using some whiteboard sketch software and the multipart traces draw strangely verse naturally.

Thanks

tylerdurden
Posts: 2327
Joined: Sun Apr 14, 2013 12:04 pm
Location: Michigan, USA

Re: Need help making drawings into single line art 4 whitebo

Postby tylerdurden » Sat Nov 15, 2014 7:26 am

Might be possible to boolean them into one object.

PathExclusion.jpg
PathExclusion.jpg (84.59 KiB) Viewed 3848 times
Attachments
PathExclusion.svg
(12.1 KiB) Downloaded 191 times
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/

danblast
Posts: 10
Joined: Sat Nov 15, 2014 6:37 am

Re: Need help making drawings into single line art 4 whitebo

Postby danblast » Sat Nov 15, 2014 11:30 am

Thanks, but do you think that would work with a cartoon person? Sounds more like a cookie cutter for basic shapes. I was hoping there was some kind of single line trace or a way to merge them all.

tylerdurden
Posts: 2327
Joined: Sun Apr 14, 2013 12:04 pm
Location: Michigan, USA

Re: Need help making drawings into single line art 4 whitebo

Postby tylerdurden » Sat Nov 15, 2014 12:25 pm

That operation was performed with one click. You could try it and see what happens...

Hard for us to tell what might happen on your image, unless you upload an example.
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/

danblast
Posts: 10
Joined: Sat Nov 15, 2014 6:37 am

Re: Need help making drawings into single line art 4 whitebo

Postby danblast » Sat Nov 15, 2014 1:21 pm

Image
The one on the left is the grouped objects the one on the right is what I would like the final product to look like.

Thanks

tylerdurden
Posts: 2327
Joined: Sun Apr 14, 2013 12:04 pm
Location: Michigan, USA

Re: Need help making drawings into single line art 4 whitebo

Postby tylerdurden » Sat Nov 15, 2014 1:49 pm

You might try trace with the Stacked option unchecked.
Created a single path here:
TraceNotStacked.jpg
TraceNotStacked.jpg (145.85 KiB) Viewed 3806 times


SVG Image
Attachments
Trace2.svg
(23.5 KiB) Downloaded 182 times
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/

danblast
Posts: 10
Joined: Sat Nov 15, 2014 6:37 am

Re: Need help making drawings into single line art 4 whitebo

Postby danblast » Sat Nov 15, 2014 1:59 pm

Tyler, tried what you suggested and it still comes out as multiple objects verse a single line. I found this out by selecting the 'edit paths nodes' and you could clearly see it is outlined verse a single line.

rich2005
Posts: 55
Joined: Fri Mar 30, 2012 9:06 pm

Re: Need help making drawings into single line art 4 whitebo

Postby rich2005 » Sat Nov 15, 2014 9:41 pm

danblast wrote:Tyler, tried what you suggested and it still comes out as multiple objects verse a single line. I found this out by selecting the 'edit paths nodes' and you could clearly see it is outlined verse a single line.


It is because Inkscape does not do a centerline trace.
You need to run a bitmap (preferably with thinner lines) through some other tracing application or use an on line convertor such as
http://www.roitsystems.com/cgi-bin/autotrace/tracer.pl with centerline trace enabled and maybe the corner threshold upped a bit, say 150. Then into Inkscape for some improvement.

out.svg
(9.21 KiB) Downloaded 202 times

danblast
Posts: 10
Joined: Sat Nov 15, 2014 6:37 am

Re: Need help making drawings into single line art 4 whitebo

Postby danblast » Sat Nov 15, 2014 10:08 pm

Rich thanks so much that program did the trick and was exactly what I needed.

Awesome!


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