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I am acquiring data related to the hydrography of a territory. I would like to use a symbology that allows me to have a line whose thickness decreases as it reaches its end (like the example in the image).

example

I could divide each line into many segments and give each one its own thickness, but I'm looking for a much faster and more effective method. The geometry generator could probably be a solution .

Currently, I have vectorized each waterway with a single line.

example 2

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  • Well, what have you tried?
    – Erik
    Mar 25, 2022 at 14:36
  • 1
    see this closely related post
    – JGH
    Mar 25, 2022 at 14:57

1 Answer 1

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Try geometry generator:

 tapered_buffer( $geometry, 10, 50)

enter image description here

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