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How to smooth a jagged line

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How to smooth a jagged line Dunkgrease 17 Jun 14:39
  How to smooth a jagged line rich404 18 Jun 18:54
Dunkgrease
2021-06-17 14:39:32 UTC (almost 3 years ago)
postings
5

How to smooth a jagged line

I have drawn a line showing a coastline but it is quite a jagged line. Is there a way of smoothing the lines into flowing curves to give a much more stylised interpretation of the coast line.

Thanks.

rich404
2021-06-18 18:54:39 UTC (almost 3 years ago)
postings
40

How to smooth a jagged line

I have drawn a line showing a coastline but it is quite a jagged line. Is there a way of smoothing the lines into flowing curves to give a much more stylised interpretation of the coast line.

Thanks.

For both questions.

For something like your example, you should get a reasonable result using Colors -> Auto -> White Balance.

see: screenshot 1

This question and using your other graphic.

If you have used something like the threshold filter which has no anti-aliasing one way is.

Get a selection of the line.

Make a path from the selection

Fill the path. The path is sub-pixel and will introduce anti-aliasing

see: screenshot 2

Depends on the image, there are other ways