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Beginners' Questions Best Way To Outline PNG Image
  1. #1
    Agrajag Agrajag @Agrajag

    I have a few detailed PNG graphics that I'm importing into my project and ran into something I thought would be easier. These are images of various animals (a toad, a cat and an owl to be exact) and they each need to be shown on a black background. I find that they don't stand out enough and would like to have them outlined by a white "stroke".

    What I TRIED doing was to use the Trace Bitmap option, but that creates a lot of work. When I trace it, I just want the outer outline, but the Trace routine gives me TONS of interior detail that I then need to go carefully clean up in another app, etc. 

    Is there a better way to pull this off? My goal was to have an outlined version of the bitmap, set its stroke so that it's slightly larger than the bitmap and lay it under the bitmap.

    Thanks.

  2. #2
    Maren Hachmann Maren Hachmann @Moini

    You can remove the interior detail quite easily. For being able to give good advice, at least a screenshot would be useful, though.

  3. #3
    Agrajag Agrajag @Agrajag
    Moini

    You can remove the interior detail quite easily. For being able to give good advice, at least a screenshot would be useful, though.

    I'd gladly problem one, but I've still not seen any hint of how to go about posting an attachment. 

  4. #4
    Tyler Durden Tyler Durden @TylerDurden
    Agrajag

    I've still not seen any hint of how to go about posting an attachment. 

    There is a clickable paperclip icon below the message composition area, on the left side. That will provide options for attachments.

     

    Have a nice day,

    TD

  5. #5
    Agrajag Agrajag @Agrajag
    TylerDurden

    sting an attachment.  There is a clickable paperclip icon below the message composition area, on the left side. That will provide options for attachmentsIf

    That I know. It just didn't work for me before. This time it appears to be working (but I'm on my laptop this time). Here's the main bitmap of one thing I want to trace. 

    Toad
  6. #6
    Maren Hachmann Maren Hachmann @Moini

    Okay, so, use the 'brightness cutoff' option to trace the toad. Change the value until the preview shows a mostly black silhouette (0.990). Then apply. Then select the result, and do Path > Break apart, then directly, without deselecting, Path > Union. Done.

  7. #7
    Agrajag Agrajag @Agrajag

    Thanks Maren. Much appreciated. This feature really confuses me so far as half the time the Update feature of this section seems to do nothing and it confuses me endlessly.

  8. #8
    brynn brynn @brynn

    I would probably use the Pen tool and trace it "manually".  For me, that would be faster than using Trace Bitmap.  I think I have a tutorial that covers the basics....  Yes, here it is.  It doesn't cover every last feature of the Pen tool, but it does explain how to trace a photo with the Pen tool.  And you won't even need to bother with joining paths (the tutorial is for making cutting paths, for a machine to cut along the path).

    https://forum.inkscapecommunity.com/index.php?action=articles;sa=view;article=41

  9. #9
    Maren Hachmann Maren Hachmann @Moini
    *

    I can't imagine how redrawing it can possibly be faster than clicking [once] Edit: twice, scrolling once, clicking once, then doing two keyboard shortcuts after one another.

  10. #10
    brynn brynn @brynn

    I didn't mean any disrespect.  That's just my choice and I thought it would be worth sharing.

  11. #11
    Agrajag Agrajag @Agrajag

    Thanks Brynn. I learned something in both approaches which makes it all worthwhile.